Thu, 06 Apr 2023 20:53:06 +0200
Set the new measured deep sleep current consumption. This is half of the Wemos D1 system.
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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1 | /* |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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2 | * Copyright (c) 2017 Gunar Schorcht <https://github.com/gschorcht> |
1c9894662795
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3 | * Copyright (c) 2019 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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4 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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5 | * Redistribution and use in source and binary forms, with or without |
1c9894662795
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6 | * modification, are permitted provided that the following conditions are met: |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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7 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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8 | * 1. Redistributions of source code must retain the above copyright notice, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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9 | * this list of conditions and the following disclaimer. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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11 | * this list of conditions and the following disclaimer in the documentation |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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12 | * and/or other materials provided with the distribution. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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13 | * 3. Neither the name of the copyright holder nor the names of itscontributors |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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14 | * may be used to endorse or promote products derived from this software without |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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15 | * specific prior written permission. |
1c9894662795
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16 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
1c9894662795
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18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
1c9894662795
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20 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
1c9894662795
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
1c9894662795
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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23 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
1c9894662795
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24 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
1c9894662795
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25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
1c9894662795
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26 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
1c9894662795
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27 | */ |
1c9894662795
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28 | |
1c9894662795
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29 | /** |
1c9894662795
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30 | * ESP-IDF driver for BME680 digital environmental sensor |
1c9894662795
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31 | * |
1c9894662795
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32 | * Forked from <https://github.com/gschorcht/bme680-esp-idf> |
1c9894662795
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33 | * |
1c9894662795
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34 | * Copyright (c) 2017 Gunar Schorcht <https://github.com/gschorcht>\n |
1c9894662795
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35 | * Copyright (c) 2019 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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36 | * |
1c9894662795
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37 | * BSD Licensed as described in the file LICENSE |
1c9894662795
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38 | */ |
1c9894662795
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39 | #include <string.h> |
1c9894662795
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40 | #include <inttypes.h> |
1c9894662795
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41 | #include <stdlib.h> |
1c9894662795
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42 | #include <esp_log.h> |
1c9894662795
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43 | #include <freertos/FreeRTOS.h> |
1c9894662795
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44 | #include <freertos/task.h> |
1c9894662795
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45 | #include <esp_idf_lib_helpers.h> |
1c9894662795
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46 | #include "bme680.h" |
1c9894662795
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47 | |
1c9894662795
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48 | #define I2C_FREQ_HZ 1000000 // Up to 3.4MHz, but esp-idf only supports 1MHz |
1c9894662795
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49 | |
1c9894662795
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50 | // modes: unfortunatly, only SLEEP_MODE and FORCED_MODE are documented |
1c9894662795
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51 | #define BME680_SLEEP_MODE 0x00 // low power sleeping |
1c9894662795
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52 | #define BME680_FORCED_MODE 0x01 // perform one TPHG cycle (field data 0 filled) |
1c9894662795
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53 | #define BME680_PARALLEL_MODE 0x02 // no information what it does :-( |
1c9894662795
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54 | #define BME680_SQUENTUAL_MODE 0x02 // no information what it does (field data 0+1+2 filled) |
1c9894662795
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55 | |
1c9894662795
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56 | // register addresses |
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57 | #define BME680_REG_RES_HEAT_VAL 0x00 |
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58 | #define BME680_REG_RES_HEAT_RANGE 0x02 |
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59 | #define BME680_REG_RANGE_SW_ERROR 0x06 |
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60 | |
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61 | #define BME680_REG_IDAC_HEAT_BASE 0x50 // 10 regsrs idac_heat_0 ... idac_heat_9 |
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62 | #define BME680_REG_RES_HEAT_BASE 0x5a // 10 registers res_heat_0 ... res_heat_9 |
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63 | #define BME680_REG_GAS_WAIT_BASE 0x64 // 10 registers gas_wait_0 ... gas_wait_9 |
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64 | #define BME680_REG_CTRL_GAS_0 0x70 |
1c9894662795
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65 | #define BME680_REG_CTRL_GAS_1 0x71 |
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66 | #define BME680_REG_CTRL_HUM 0x72 |
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67 | #define BME680_REG_STATUS 0x73 |
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68 | #define BME680_REG_CTRL_MEAS 0x74 |
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69 | #define BME680_REG_CONFIG 0x75 |
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70 | #define BME680_REG_ID 0xd0 |
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71 | #define BME680_REG_RESET 0xe0 |
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72 | |
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73 | // field data 0 registers |
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74 | #define BME680_REG_MEAS_STATUS_0 0x1d |
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75 | #define BME680_REG_MEAS_INDEX_0 0x1e |
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76 | #define BME680_REG_PRESS_MSB_0 0x1f |
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77 | #define BME680_REG_PRESS_LSB_0 0x20 |
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78 | #define BME680_REG_PRESS_XLSB_0 0x21 |
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79 | #define BME680_REG_TEMP_MSB_0 0x22 |
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80 | #define BME680_REG_TEMP_LSB_0 0x23 |
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81 | #define BME680_REG_TEMP_XLSB_0 0x24 |
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82 | #define BME680_REG_HUM_MSB_0 0x25 |
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83 | #define BME680_REG_HUM_LSB_0 0x26 |
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84 | #define BME680_REG_GAS_R_MSB_0 0x2a |
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85 | #define BME680_REG_GAS_R_LSB_0 0x2b |
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86 | |
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87 | // field data 1 registers (not documented, used in SEQUENTIAL_MODE) |
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88 | #define BME680_REG_MEAS_STATUS_1 0x2e |
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89 | #define BME680_REG_MEAS_INDEX_1 0x2f |
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90 | |
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91 | // field data 2 registers (not documented, used in SEQUENTIAL_MODE) |
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92 | #define BME680_REG_MEAS_STATUS_2 0x3f |
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93 | #define BME680_REG_MEAS_INDEX_2 0x40 |
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94 | |
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95 | // field data addresses |
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96 | #define BME680_REG_RAW_DATA_0 BME680_REG_MEAS_STATUS_0 // 0x1d ... 0x2b |
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97 | #define BME680_REG_RAW_DATA_1 BME680_REG_MEAS_STATUS_1 // 0x2e ... 0x3c |
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98 | #define BME680_REG_RAW_DATA_2 BME680_REG_MEAS_STATUS_2 // 0x40 ... 0x4d |
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99 | #define BME680_REG_RAW_DATA_LEN (BME680_REG_GAS_R_LSB_0 - BME680_REG_MEAS_STATUS_0 + 1) |
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100 | |
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101 | // calibration data registers |
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102 | #define BME680_REG_CD1_ADDR 0x89 // 25 byte calibration data |
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103 | #define BME680_REG_CD1_LEN 25 |
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104 | #define BME680_REG_CD2_ADDR 0xe1 // 16 byte calibration data |
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105 | #define BME680_REG_CD2_LEN 16 |
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106 | #define BME680_REG_CD3_ADDR 0x00 // 8 byte device specific calibration data |
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107 | #define BME680_REG_CD3_LEN 8 |
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108 | |
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109 | // register structure definitions |
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110 | #define BME680_NEW_DATA_BITS 0x80 // BME680_REG_MEAS_STATUS<7> |
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111 | #define BME680_NEW_DATA_SHIFT 7 // BME680_REG_MEAS_STATUS<7> |
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112 | #define BME680_GAS_MEASURING_BITS 0x40 // BME680_REG_MEAS_STATUS<6> |
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113 | #define BME680_GAS_MEASURING_SHIFT 6 // BME680_REG_MEAS_STATUS<6> |
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114 | #define BME680_MEASURING_BITS 0x20 // BME680_REG_MEAS_STATUS<5> |
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115 | #define BME680_MEASURING_SHIFT 5 // BME680_REG_MEAS_STATUS<5> |
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116 | #define BME680_GAS_MEAS_INDEX_BITS 0x0f // BME680_REG_MEAS_STATUS<3:0> |
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117 | #define BME680_GAS_MEAS_INDEX_SHIFT 0 // BME680_REG_MEAS_STATUS<3:0> |
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118 | |
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119 | #define BME680_GAS_R_LSB_BITS 0xc0 // BME680_REG_GAS_R_LSB<7:6> |
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120 | #define BME680_GAS_R_LSB_SHIFT 6 // BME680_REG_GAS_R_LSB<7:6> |
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121 | #define BME680_GAS_VALID_BITS 0x20 // BME680_REG_GAS_R_LSB<5> |
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122 | #define BME680_GAS_VALID_SHIFT 5 // BME680_REG_GAS_R_LSB<5> |
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123 | #define BME680_HEAT_STAB_R_BITS 0x10 // BME680_REG_GAS_R_LSB<4> |
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124 | #define BME680_HEAT_STAB_R_SHIFT 4 // BME680_REG_GAS_R_LSB<4> |
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125 | #define BME680_GAS_RANGE_R_BITS 0x0f // BME680_REG_GAS_R_LSB<3:0> |
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126 | #define BME680_GAS_RANGE_R_SHIFT 0 // BME680_REG_GAS_R_LSB<3:0> |
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127 | |
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128 | #define BME680_HEAT_OFF_BITS 0x04 // BME680_REG_CTRL_GAS_0<3> |
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129 | #define BME680_HEAT_OFF_SHIFT 3 // BME680_REG_CTRL_GAS_0<3> |
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130 | |
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131 | #define BME680_RUN_GAS_BITS 0x10 // BME680_REG_CTRL_GAS_1<4> |
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132 | #define BME680_RUN_GAS_SHIFT 4 // BME680_REG_CTRL_GAS_1<4> |
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133 | #define BME680_NB_CONV_BITS 0x0f // BME680_REG_CTRL_GAS_1<3:0> |
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134 | #define BME680_NB_CONV_SHIFT 0 // BME680_REG_CTRL_GAS_1<3:0> |
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135 | |
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136 | #define BME680_SPI_3W_INT_EN_BITS 0x40 // BME680_REG_CTRL_HUM<6> |
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137 | #define BME680_SPI_3W_INT_EN_SHIFT 6 // BME680_REG_CTRL_HUM<6> |
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138 | #define BME680_OSR_H_BITS 0x07 // BME680_REG_CTRL_HUM<2:0> |
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139 | #define BME680_OSR_H_SHIFT 0 // BME680_REG_CTRL_HUM<2:0> |
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140 | |
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141 | #define BME680_OSR_T_BITS 0xe0 // BME680_REG_CTRL_MEAS<7:5> |
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142 | #define BME680_OSR_T_SHIFT 5 // BME680_REG_CTRL_MEAS<7:5> |
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143 | #define BME680_OSR_P_BITS 0x1c // BME680_REG_CTRL_MEAS<4:2> |
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144 | #define BME680_OSR_P_SHIFT 2 // BME680_REG_CTRL_MEAS<4:2> |
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145 | #define BME680_MODE_BITS 0x03 // BME680_REG_CTRL_MEAS<1:0> |
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146 | #define BME680_MODE_SHIFT 0 // BME680_REG_CTRL_MEAS<1:0> |
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147 | |
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148 | #define BME680_FILTER_BITS 0x1c // BME680_REG_CONFIG<4:2> |
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149 | #define BME680_FILTER_SHIFT 2 // BME680_REG_CONFIG<4:2> |
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150 | #define BME680_SPI_3W_EN_BITS 0x01 // BME680_REG_CONFIG<0> |
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151 | #define BME680_SPI_3W_EN_SHIFT 0 // BME680_REG_CONFIG<0> |
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152 | |
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153 | #define BME680_SPI_MEM_PAGE_BITS 0x10 // BME680_REG_STATUS<4> |
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154 | #define BME680_SPI_MEM_PAGE_SHIFT 4 // BME680_REG_STATUS<4> |
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155 | |
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156 | #define BME680_GAS_WAIT_BITS 0x3f // BME680_REG_GAS_WAIT+x<5:0> |
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157 | #define BME680_GAS_WAIT_SHIFT 0 // BME680_REG_GAS_WAIT+x<5:0> |
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158 | #define BME680_GAS_WAIT_MULT_BITS 0xc0 // BME680_REG_GAS_WAIT+x<7:6> |
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159 | #define BME680_GAS_WAIT_MULT_SHIFT 6 // BME680_REG_GAS_WAIT+x<7:6> |
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160 | |
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161 | // commands |
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162 | #define BME680_RESET_CMD 0xb6 // BME680_REG_RESET<7:0> |
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163 | #define BME680_RESET_PERIOD 10 // reset time in ms |
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164 | |
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165 | #define BME680_RHR_BITS 0x30 // BME680_REG_RES_HEAT_RANGE<5:4> |
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166 | #define BME680_RHR_SHIFT 4 // BME680_REG_RES_HEAT_RANGE<5:4> |
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167 | #define BME680_RSWE_BITS 0xf0 // BME680_REG_RANGE_SW_ERROR<7:4> |
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168 | #define BME680_RSWE_SHIFT 4 // BME680_REG_RANGE_SW_ERROR<7:4> |
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169 | |
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170 | // calibration data are stored in a calibration data map |
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171 | #define BME680_CDM_SIZE (BME680_REG_CD1_LEN + BME680_REG_CD2_LEN + BME680_REG_CD3_LEN) |
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172 | #define BME680_CDM_OFF1 0 |
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173 | #define BME680_CDM_OFF2 BME680_REG_CD1_LEN |
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174 | #define BME680_CDM_OFF3 BME680_CDM_OFF2 + BME680_REG_CD2_LEN |
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175 | |
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176 | // calibration parameter offsets in calibration data map |
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177 | // calibration data from 0x89 |
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178 | #define BME680_CDM_T2 1 |
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179 | #define BME680_CDM_T3 3 |
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180 | #define BME680_CDM_P1 5 |
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181 | #define BME680_CDM_P2 7 |
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182 | #define BME680_CDM_P3 9 |
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183 | #define BME680_CDM_P4 11 |
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184 | #define BME680_CDM_P5 13 |
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185 | #define BME680_CDM_P7 15 |
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186 | #define BME680_CDM_P6 16 |
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187 | #define BME680_CDM_P8 19 |
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188 | #define BME680_CDM_P9 21 |
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189 | #define BME680_CDM_P10 23 |
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190 | // calibration data from 0e1 |
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191 | #define BME680_CDM_H2 25 |
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192 | #define BME680_CDM_H1 26 |
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193 | #define BME680_CDM_H3 28 |
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194 | #define BME680_CDM_H4 29 |
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195 | #define BME680_CDM_H5 30 |
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196 | #define BME680_CDM_H6 31 |
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197 | #define BME680_CDM_H7 32 |
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198 | #define BME680_CDM_T1 33 |
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199 | #define BME680_CDM_GH2 35 |
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200 | #define BME680_CDM_GH1 37 |
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201 | #define BME680_CDM_GH3 38 |
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202 | // device specific calibration data from 0x00 |
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203 | #define BME680_CDM_RHV 41 // 0x00 - res_heat_val |
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204 | #define BME680_CDM_RHR 43 // 0x02 - res_heat_range |
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205 | #define BME680_CDM_RSWE 45 // 0x04 - range_sw_error |
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206 | |
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207 | static const char *TAG = "bme680"; |
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208 | |
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209 | #define CHECK(x) do { esp_err_t __; if ((__ = x) != ESP_OK) return __; } while (0) |
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210 | #define CHECK_ARG(VAL) do { if (!(VAL)) return ESP_ERR_INVALID_ARG; } while (0) |
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211 | #define CHECK_LOGE(x, msg, ...) do { \ |
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212 | esp_err_t __; \ |
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213 | if ((__ = x) != ESP_OK) { \ |
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214 | ESP_LOGE(TAG, msg, ## __VA_ARGS__); \ |
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215 | return __; \ |
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216 | } \ |
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217 | } while (0) |
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218 | |
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219 | /** |
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220 | * @brief Raw data (integer values) read from sensor |
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221 | */ |
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222 | typedef struct |
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223 | { |
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224 | |
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225 | bool gas_valid; // indicate that gas measurement results are valid |
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226 | bool heater_stable; // indicate that heater temperature was stable |
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227 | |
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228 | uint32_t temperature; // degree celsius x100 |
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229 | uint32_t pressure; // pressure in Pascal |
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230 | uint16_t humidity; // relative humidity x1000 in % |
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231 | uint16_t gas_resistance; // gas resistance data |
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232 | uint8_t gas_range; // gas resistance range |
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233 | |
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234 | uint8_t gas_index; // heater profile used (0 ... 9) |
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235 | uint8_t meas_index; |
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236 | |
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237 | } bme680_raw_data_t; |
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238 | |
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239 | #define lsb_msb_to_type(t,b,o) (t)(((t)b[o+1] << 8) | b[o]) |
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240 | #define lsb_to_type(t,b,o) (t)(b[o]) |
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241 | #define bme_set_reg_bit(byte, bitname, bit) ( (byte & ~bitname##_BITS) | \ |
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242 | ((bit << bitname##_SHIFT) & bitname##_BITS) ) |
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243 | #define bme_get_reg_bit(byte, bitname) ( (byte & bitname##_BITS) >> bitname##_SHIFT ) |
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244 | |
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245 | static inline esp_err_t read_reg_8_nolock(bme680_t *dev, uint8_t reg, uint8_t *data) |
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246 | { |
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247 | return i2c_dev_read_reg(&dev->i2c_dev, reg, data, 1); |
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248 | } |
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249 | |
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250 | static inline esp_err_t write_reg_8_nolock(bme680_t *dev, uint8_t reg, uint8_t data) |
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251 | { |
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252 | return i2c_dev_write_reg(&dev->i2c_dev, reg, &data, 1); |
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253 | } |
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254 | |
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255 | static esp_err_t read_reg_8(bme680_t *dev, uint8_t reg, uint8_t *data) |
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256 | { |
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257 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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258 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_8_nolock(dev, reg, data)); |
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259 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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260 | |
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261 | return ESP_OK; |
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262 | } |
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263 | |
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264 | static esp_err_t bme680_set_mode(bme680_t *dev, uint8_t mode) |
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265 | { |
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266 | uint8_t reg; |
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267 | |
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268 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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269 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_8_nolock(dev, BME680_REG_CTRL_MEAS, ®)); |
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270 | reg = bme_set_reg_bit(reg, BME680_MODE, mode); |
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271 | I2C_DEV_CHECK(&dev->i2c_dev, write_reg_8_nolock(dev, BME680_REG_CTRL_MEAS, reg)); |
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272 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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273 | |
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274 | return ESP_OK; |
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275 | } |
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276 | |
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277 | #define msb_lsb_xlsb_to_20bit(t,b,o) (t)((t) b[o] << 12 | (t) b[o+1] << 4 | b[o+2] >> 4) |
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278 | #define msb_lsb_to_type(t,b,o) (t)(((t)b[o] << 8) | b[o+1]) |
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279 | |
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280 | #define BME680_RAW_P_OFF BME680_REG_PRESS_MSB_0-BME680_REG_MEAS_STATUS_0 |
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281 | #define BME680_RAW_T_OFF (BME680_RAW_P_OFF + BME680_REG_TEMP_MSB_0 - BME680_REG_PRESS_MSB_0) |
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282 | #define BME680_RAW_H_OFF (BME680_RAW_T_OFF + BME680_REG_HUM_MSB_0 - BME680_REG_TEMP_MSB_0) |
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283 | #define BME680_RAW_G_OFF (BME680_RAW_H_OFF + BME680_REG_GAS_R_MSB_0 - BME680_REG_HUM_MSB_0) |
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284 | |
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285 | static esp_err_t bme680_get_raw_data(bme680_t *dev, bme680_raw_data_t *raw_data) |
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286 | { |
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287 | if (!dev->meas_started) |
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288 | { |
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289 | ESP_LOGE(TAG, "Measurement was not started"); |
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290 | return ESP_ERR_INVALID_STATE; |
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291 | } |
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292 | |
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293 | uint8_t raw[BME680_REG_RAW_DATA_LEN] = { 0 }; |
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294 | |
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295 | if (!(dev->meas_status & BME680_NEW_DATA_BITS)) |
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296 | { |
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297 | // read measurement status from sensor |
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298 | CHECK(read_reg_8(dev, BME680_REG_MEAS_STATUS_0, &dev->meas_status)); |
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299 | // test whether there are new data |
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300 | if (!(dev->meas_status & BME680_NEW_DATA_BITS)) |
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301 | { |
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302 | if (dev->meas_status & BME680_MEASURING_BITS) |
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303 | { |
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304 | ESP_LOGW(TAG, "Measurement is still running"); |
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305 | return ESP_ERR_INVALID_STATE; |
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306 | } |
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307 | ESP_LOGW(TAG, "No new data"); |
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308 | return ESP_ERR_INVALID_RESPONSE; |
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309 | } |
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310 | } |
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311 | |
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312 | dev->meas_started = false; |
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313 | raw_data->gas_index = dev->meas_status & BME680_GAS_MEAS_INDEX_BITS; |
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314 | |
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315 | // if there are new data, read raw data from sensor |
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316 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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317 | I2C_DEV_CHECK(&dev->i2c_dev, i2c_dev_read_reg(&dev->i2c_dev, BME680_REG_RAW_DATA_0, raw, BME680_REG_RAW_DATA_LEN)); |
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318 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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319 | |
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320 | raw_data->gas_valid = bme_get_reg_bit(raw[BME680_RAW_G_OFF + 1], BME680_GAS_VALID); |
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321 | raw_data->heater_stable = bme_get_reg_bit(raw[BME680_RAW_G_OFF + 1], BME680_HEAT_STAB_R); |
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322 | |
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323 | raw_data->temperature = msb_lsb_xlsb_to_20bit(uint32_t, raw, BME680_RAW_T_OFF); |
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324 | raw_data->pressure = msb_lsb_xlsb_to_20bit(uint32_t, raw, BME680_RAW_P_OFF); |
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325 | raw_data->humidity = msb_lsb_to_type(uint16_t, raw, BME680_RAW_H_OFF); |
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326 | raw_data->gas_resistance = ((uint16_t) raw[BME680_RAW_G_OFF] << 2) | raw[BME680_RAW_G_OFF + 1] >> 6; |
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327 | raw_data->gas_range = raw[BME680_RAW_G_OFF + 1] & BME680_GAS_RANGE_R_BITS; |
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328 | |
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329 | /* |
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330 | * BME680_REG_MEAS_STATUS_1, BME680_REG_MEAS_STATUS_2 |
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331 | * These data are not documented and it is not really clear when they are filled |
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332 | */ |
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333 | ESP_LOGD(TAG, "Raw data: %" PRIu32 " %" PRIu32 " %d %d %d", raw_data->temperature, raw_data->pressure, |
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334 | raw_data->humidity, raw_data->gas_resistance, raw_data->gas_range); |
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335 | |
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336 | return ESP_OK; |
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337 | } |
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338 | |
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339 | /** |
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340 | * @brief Calculate temperature from raw temperature value |
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341 | * @ref BME280 datasheet, page 50 |
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342 | */ |
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343 | static int16_t bme680_convert_temperature(bme680_t *dev, uint32_t raw_temperature) |
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344 | { |
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345 | bme680_calib_data_t *cd = &dev->calib_data; |
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346 | |
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347 | int64_t var1; |
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348 | int64_t var2; |
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349 | int16_t temperature; |
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350 | |
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351 | var1 = ((((raw_temperature >> 3) - ((int32_t) cd->par_t1 << 1))) * ((int32_t) cd->par_t2)) >> 11; |
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352 | var2 = (((((raw_temperature >> 4) - ((int32_t) cd->par_t1)) * ((raw_temperature >> 4) - ((int32_t) cd->par_t1))) >> 12) |
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353 | * ((int32_t) cd->par_t3)) >> 14; |
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354 | cd->t_fine = (int32_t) (var1 + var2); |
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355 | temperature = (cd->t_fine * 5 + 128) >> 8; |
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356 | |
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357 | return temperature; |
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358 | } |
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359 | |
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360 | /** |
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361 | * @brief Calculate pressure from raw pressure value |
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362 | * @copyright Copyright (c) 2017 - 2018 Bosch Sensortec GmbH |
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363 | * |
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364 | * The algorithm was extracted from the original Bosch Sensortec BME680 driver |
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365 | * published as open source. Divisions and multiplications by potences of 2 |
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366 | * were replaced by shift operations for effeciency reasons. |
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367 | * |
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368 | * @ref [BME680_diver](https://github.com/BoschSensortec/BME680_driver) |
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369 | * @ref BME280 datasheet, page 50 |
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370 | */ |
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371 | static uint32_t bme680_convert_pressure(bme680_t *dev, uint32_t raw_pressure) |
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372 | { |
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373 | bme680_calib_data_t *cd = &dev->calib_data; |
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374 | |
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375 | int32_t var1; |
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376 | int32_t var2; |
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377 | int32_t var3; |
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378 | int32_t pressure_comp; |
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379 | |
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380 | var1 = (((int32_t)cd->t_fine) >> 1) - 64000; |
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381 | var2 = ((((var1 >> 2) * (var1 >> 2)) >> 11) * |
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382 | (int32_t)cd->par_p6) >> 2; |
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383 | var2 = var2 + ((var1 * (int32_t)cd->par_p5) << 1); |
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384 | var2 = (var2 >> 2) + ((int32_t)cd->par_p4 << 16); |
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385 | var1 = (((((var1 >> 2) * (var1 >> 2)) >> 13) * |
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386 | ((int32_t)cd->par_p3 << 5)) >> 3) + |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
387 | (((int32_t)cd->par_p2 * var1) >> 1); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
388 | var1 = var1 >> 18; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
389 | var1 = ((32768 + var1) * (int32_t)cd->par_p1) >> 15; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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changeset
|
390 | pressure_comp = 1048576 - raw_pressure; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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changeset
|
391 | pressure_comp = (int32_t)((pressure_comp - (var2 >> 12)) * ((uint32_t)3125)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
392 | if (pressure_comp >= BME680_MAX_OVERFLOW_VAL) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
393 | pressure_comp = ((pressure_comp / var1) << 1); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
394 | else |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
395 | pressure_comp = ((pressure_comp << 1) / var1); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
396 | var1 = ((int32_t)cd->par_p9 * (int32_t)(((pressure_comp >> 3) * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
397 | (pressure_comp >> 3)) >> 13)) >> 12; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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changeset
|
398 | var2 = ((int32_t)(pressure_comp >> 2) * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
399 | (int32_t)cd->par_p8) >> 13; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
400 | var3 = ((int32_t)(pressure_comp >> 8) * (int32_t)(pressure_comp >> 8) * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
401 | (int32_t)(pressure_comp >> 8) * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
402 | (int32_t)cd->par_p10) >> 17; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
403 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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|
404 | pressure_comp = (int32_t)(pressure_comp) + ((var1 + var2 + var3 + |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
405 | ((int32_t)cd->par_p7 << 7)) >> 4); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
406 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
407 | return (uint32_t)pressure_comp; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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408 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
409 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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410 | /** |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
411 | * @brief Calculate humidty from raw humidity data |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
412 | * @copyright Copyright (c) 2017 - 2018 Bosch Sensortec GmbH |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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413 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
414 | * The algorithm was extracted from the original Bosch Sensortec BME680 driver |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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|
415 | * published as open source. Divisions and multiplications by potences of 2 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
416 | * were replaced by shift operations for effeciency reasons. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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417 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
418 | * @ref [BME680_diver](https://github.com/BoschSensortec/BME680_driver) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
419 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
420 | static uint32_t bme680_convert_humidity(bme680_t *dev, uint16_t raw_humidity) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
421 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
422 | bme680_calib_data_t *cd = &dev->calib_data; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
423 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
424 | int32_t var1; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
425 | int32_t var2; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
426 | int32_t var3; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
427 | int32_t var4; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
428 | int32_t var5; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
429 | int32_t var6; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
430 | int32_t temp_scaled; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
431 | int32_t humidity; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
432 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
433 | temp_scaled = (((int32_t) cd->t_fine * 5) + 128) >> 8; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
434 | var1 = (int32_t) (raw_humidity - ((int32_t) ((int32_t) cd->par_h1 << 4))) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
435 | - (((temp_scaled * (int32_t) cd->par_h3) / ((int32_t) 100)) >> 1); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
436 | var2 = ((int32_t) cd->par_h2 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
437 | * (((temp_scaled * (int32_t) cd->par_h4) / ((int32_t) 100)) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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|
438 | + (((temp_scaled * ((temp_scaled * (int32_t) cd->par_h5) / ((int32_t) 100))) >> 6) / ((int32_t) 100)) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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|
439 | + (int32_t) (1 << 14))) >> 10; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
changeset
|
440 | var3 = var1 * var2; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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|
441 | var4 = (int32_t) cd->par_h6 << 7; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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|
442 | var4 = ((var4) + ((temp_scaled * (int32_t) cd->par_h7) / ((int32_t) 100))) >> 4; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
443 | var5 = ((var3 >> 14) * (var3 >> 14)) >> 10; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
444 | var6 = (var4 * var5) >> 1; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
445 | humidity = (((var3 + var6) >> 10) * ((int32_t) 1000)) >> 12; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
446 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
447 | if (humidity > 100000) /* Cap at 100%rH */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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|
448 | humidity = 100000; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
449 | else if (humidity < 0) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
450 | humidity = 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
changeset
|
451 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
452 | return (uint32_t) humidity; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
453 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
changeset
|
454 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
455 | /** |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
456 | * @brief Lookup table for gas resitance computation |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
457 | * @ref BME680 datasheet, page 19 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
458 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
459 | static float lookup_table[16][2] = { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
460 | // const1, const2 // gas_range |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
461 | { 1.0, 8000000.0 }, // 0 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
462 | { 1.0, 4000000.0 }, // 1 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
463 | { 1.0, 2000000.0 }, // 2 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
464 | { 1.0, 1000000.0 }, // 3 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
465 | { 1.0, 499500.4995 }, // 4 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
466 | { 0.99, 248262.1648 }, // 5 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
467 | { 1.0, 125000.0 }, // 6 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
468 | { 0.992, 63004.03226 }, // 7 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
469 | { 1.0, 31281.28128 }, // 8 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
470 | { 1.0, 15625.0 }, // 9 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
471 | { 0.998, 7812.5 }, // 10 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
472 | { 0.995, 3906.25 }, // 11 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
473 | { 1.0, 1953.125 }, // 12 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
474 | { 0.99, 976.5625 }, // 13 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
475 | { 1.0, 488.28125 }, // 14 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
476 | { 1.0, 244.140625 } // 15 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
477 | }; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
478 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
479 | /** |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
480 | * @brief Calculate gas resistance from raw gas resitance value and gas range |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
481 | * @ref BME680 datasheet |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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|
482 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
483 | static uint32_t bme680_convert_gas(bme680_t *dev, uint16_t gas, uint8_t gas_range) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
diff
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|
484 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
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|
485 | bme680_calib_data_t *cd = &dev->calib_data; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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|
486 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
487 | float var1 = (1340.0 + 5.0 * cd->range_sw_err) * lookup_table[gas_range][0]; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
488 | return var1 * lookup_table[gas_range][1] / (gas - 512.0 + var1); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
489 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
490 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
491 | /** |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
492 | * @brief Calculate internal duration representation |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
493 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
494 | * Durations are internally representes as one byte |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
495 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
496 | * duration = value<5:0> * multiplier<7:6> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
497 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
498 | * where the multiplier is 1, 4, 16, or 64. Maximum duration is therefore |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
499 | * 64*64 = 4032 ms. The function takes a real world duration value given |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
500 | * in milliseconds and computes the internal representation. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
501 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
502 | * @ref Datasheet |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
503 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
504 | static uint8_t bme680_heater_duration(uint16_t duration) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
505 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
506 | uint8_t multiplier = 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
507 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
508 | while (duration > 63) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
509 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
510 | duration = duration / 4; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
511 | multiplier++; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
512 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
513 | return (uint8_t) (duration | (multiplier << 6)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
514 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
515 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
516 | /** |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
517 | * @brief Calculate internal heater resistance value from real temperature. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
518 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
519 | * @ref Datasheet of BME680 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
520 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
521 | static uint8_t bme680_heater_resistance(const bme680_t *dev, uint16_t temp) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
522 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
523 | if (!dev) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
524 | return 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
525 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
526 | if (temp < BME680_HEATER_TEMP_MIN) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
527 | temp = BME680_HEATER_TEMP_MIN; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
528 | else if (temp > BME680_HEATER_TEMP_MAX) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
529 | temp = BME680_HEATER_TEMP_MAX; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
530 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
531 | const bme680_calib_data_t *cd = &dev->calib_data; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
532 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
533 | // from datasheet |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
534 | double var1; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
535 | double var2; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
536 | double var3; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
537 | double var4; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
538 | double var5; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
539 | uint8_t res_heat_x; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
540 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
541 | var1 = ((double) cd->par_gh1 / 16.0) + 49.0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
542 | var2 = (((double) cd->par_gh2 / 32768.0) * 0.0005) + 0.00235; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
543 | var3 = (double) cd->par_gh3 / 1024.0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
544 | var4 = var1 * (1.0 + (var2 * (double) temp)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
545 | var5 = var4 + (var3 * (double) dev->settings.ambient_temperature); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
546 | res_heat_x = (uint8_t) (3.4 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
547 | * ((var5 * (4.0 / (4.0 + (double) cd->res_heat_range)) * (1.0 / (1.0 + ((double) cd->res_heat_val * 0.002)))) - 25)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
548 | return res_heat_x; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
549 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
550 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
551 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
552 | /////////////////////////////////////////////////////////////////////////////// |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
553 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
554 | esp_err_t bme680_init_desc(bme680_t *dev, uint8_t addr, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
555 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
556 | CHECK_ARG(dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
557 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
558 | if (addr != BME680_I2C_ADDR_0 && addr != BME680_I2C_ADDR_1) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
559 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
560 | ESP_LOGE(TAG, "Invalid I2C address"); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
561 | return ESP_ERR_INVALID_ARG; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
562 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
563 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
564 | dev->i2c_dev.port = port; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
565 | dev->i2c_dev.addr = addr; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
566 | dev->i2c_dev.cfg.sda_io_num = sda_gpio; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
567 | dev->i2c_dev.cfg.scl_io_num = scl_gpio; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
568 | #if HELPER_TARGET_IS_ESP32 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
569 | dev->i2c_dev.cfg.master.clk_speed = I2C_FREQ_HZ; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
570 | #endif |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
571 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
572 | return i2c_dev_create_mutex(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
573 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
574 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
575 | esp_err_t bme680_free_desc(bme680_t *dev) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
576 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
577 | CHECK_ARG(dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
578 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
579 | return i2c_dev_delete_mutex(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
580 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
581 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
582 | esp_err_t bme680_init_sensor(bme680_t *dev) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
583 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
584 | CHECK_ARG(dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
585 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
586 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
587 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
588 | dev->meas_started = false; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
589 | dev->meas_status = 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
590 | dev->settings.ambient_temperature = 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
591 | dev->settings.osr_temperature = BME680_OSR_NONE; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
592 | dev->settings.osr_pressure = BME680_OSR_NONE; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
593 | dev->settings.osr_humidity = BME680_OSR_NONE; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
594 | dev->settings.filter_size = BME680_IIR_SIZE_0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
595 | dev->settings.heater_profile = BME680_HEATER_NOT_USED; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
596 | memset(dev->settings.heater_temperature, 0, sizeof(uint16_t) * 10); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
597 | memset(dev->settings.heater_duration, 0, sizeof(uint16_t) * 10); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
598 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
599 | // reset the sensor |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
600 | I2C_DEV_CHECK(&dev->i2c_dev, write_reg_8_nolock(dev, BME680_REG_RESET, BME680_RESET_CMD)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
601 | vTaskDelay(pdMS_TO_TICKS(BME680_RESET_PERIOD)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
602 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
603 | uint8_t chip_id = 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
604 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_8_nolock(dev, BME680_REG_ID, &chip_id)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
605 | if (chip_id != 0x61) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
606 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
607 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
608 | ESP_LOGE(TAG, "Chip id %02x is wrong, should be 0x61", chip_id); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
609 | return ESP_ERR_NOT_FOUND; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
610 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
611 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
612 | uint8_t buf[BME680_CDM_SIZE]; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
613 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
614 | I2C_DEV_CHECK(&dev->i2c_dev, i2c_dev_read_reg(&dev->i2c_dev, BME680_REG_CD1_ADDR, buf + BME680_CDM_OFF1, BME680_REG_CD1_LEN)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
615 | I2C_DEV_CHECK(&dev->i2c_dev, i2c_dev_read_reg(&dev->i2c_dev, BME680_REG_CD2_ADDR, buf + BME680_CDM_OFF2, BME680_REG_CD2_LEN)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
616 | I2C_DEV_CHECK(&dev->i2c_dev, i2c_dev_read_reg(&dev->i2c_dev, BME680_REG_CD3_ADDR, buf + BME680_CDM_OFF3, BME680_REG_CD3_LEN)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
617 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
618 | dev->calib_data.par_t1 = lsb_msb_to_type(uint16_t, buf, BME680_CDM_T1); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
619 | dev->calib_data.par_t2 = lsb_msb_to_type(int16_t, buf, BME680_CDM_T2); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
620 | dev->calib_data.par_t3 = lsb_to_type(int8_t, buf, BME680_CDM_T3); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
621 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
622 | // pressure compensation parameters |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
623 | dev->calib_data.par_p1 = lsb_msb_to_type(uint16_t, buf, BME680_CDM_P1); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
624 | dev->calib_data.par_p2 = lsb_msb_to_type(int16_t, buf, BME680_CDM_P2); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
625 | dev->calib_data.par_p3 = lsb_to_type(int8_t, buf, BME680_CDM_P3); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
626 | dev->calib_data.par_p4 = lsb_msb_to_type(int16_t, buf, BME680_CDM_P4); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
627 | dev->calib_data.par_p5 = lsb_msb_to_type(int16_t, buf, BME680_CDM_P5); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
628 | dev->calib_data.par_p6 = lsb_to_type(int8_t, buf, BME680_CDM_P6); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
629 | dev->calib_data.par_p7 = lsb_to_type(int8_t, buf, BME680_CDM_P7); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
630 | dev->calib_data.par_p8 = lsb_msb_to_type(int16_t, buf, BME680_CDM_P8); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
631 | dev->calib_data.par_p9 = lsb_msb_to_type(int16_t, buf, BME680_CDM_P9); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
632 | dev->calib_data.par_p10 = lsb_to_type(uint8_t, buf, BME680_CDM_P10); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
633 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
634 | // humidity compensation parameters |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
635 | dev->calib_data.par_h1 = (uint16_t) (((uint16_t) buf[BME680_CDM_H1 + 1] << 4) | (buf[BME680_CDM_H1] & 0x0F)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
636 | dev->calib_data.par_h2 = (uint16_t) (((uint16_t) buf[BME680_CDM_H2] << 4) | (buf[BME680_CDM_H2 + 1] >> 4)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
637 | dev->calib_data.par_h3 = lsb_to_type(int8_t, buf, BME680_CDM_H3); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
638 | dev->calib_data.par_h4 = lsb_to_type(int8_t, buf, BME680_CDM_H4); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
639 | dev->calib_data.par_h5 = lsb_to_type(int8_t, buf, BME680_CDM_H5); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
640 | dev->calib_data.par_h6 = lsb_to_type(uint8_t, buf, BME680_CDM_H6); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
641 | dev->calib_data.par_h7 = lsb_to_type(int8_t, buf, BME680_CDM_H7); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
642 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
643 | // gas sensor compensation parameters |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
644 | dev->calib_data.par_gh1 = lsb_to_type(int8_t, buf, BME680_CDM_GH1); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
645 | dev->calib_data.par_gh2 = lsb_msb_to_type(int16_t, buf, BME680_CDM_GH2); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
646 | dev->calib_data.par_gh3 = lsb_to_type(int8_t, buf, BME680_CDM_GH3); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
647 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
648 | dev->calib_data.res_heat_range = (lsb_to_type(uint8_t, buf, BME680_CDM_RHR) & BME680_RHR_BITS) >> BME680_RHR_SHIFT; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
649 | dev->calib_data.res_heat_val = (lsb_to_type(int8_t, buf, BME680_CDM_RHV)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
650 | dev->calib_data.range_sw_err = (lsb_to_type(int8_t, buf, BME680_CDM_RSWE) & BME680_RSWE_BITS) >> BME680_RSWE_SHIFT; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
651 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
652 | // Set ambient temperature of sensor to default value (25 degree C) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
653 | dev->settings.ambient_temperature = 25; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
654 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
655 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
656 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
657 | CHECK(bme680_set_oversampling_rates(dev, BME680_OSR_1X, BME680_OSR_1X, BME680_OSR_1X)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
658 | CHECK(bme680_set_filter_size(dev, BME680_IIR_SIZE_3)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
659 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
660 | // Set heater default profile 0 to 320 degree Celcius for 150 ms |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
661 | CHECK(bme680_set_heater_profile(dev, 0, 320, 150)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
662 | CHECK(bme680_use_heater_profile(dev, 0)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
663 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
664 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
665 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
666 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
667 | esp_err_t bme680_force_measurement(bme680_t *dev) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
668 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
669 | CHECK_ARG(dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
670 | if (dev->meas_started) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
671 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
672 | ESP_LOGE(TAG, "Measurement is already running"); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
673 | return ESP_ERR_INVALID_STATE; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
674 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
675 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
676 | // Set the power mode to forced mode to trigger one TPHG measurement cycle |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
677 | CHECK_LOGE(bme680_set_mode(dev, BME680_FORCED_MODE), |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
678 | "Could not set forced mode to start TPHG measurement cycle"); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
679 | dev->meas_started = true; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
680 | dev->meas_status = 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
681 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
682 | ESP_LOGD(TAG, "Started measurement"); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
683 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
684 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
685 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
686 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
687 | /** |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
688 | * @brief Estimate the measurement duration in RTOS ticks |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
689 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
690 | * Timing formulas extracted from BME280 datasheet and test in some |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
691 | * experiments. They represent the maximum measurement duration. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
692 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
693 | esp_err_t bme680_get_measurement_duration(const bme680_t *dev, uint32_t *duration) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
694 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
695 | CHECK_ARG(dev && duration); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
696 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
697 | *duration = 0; /* Calculate in us */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
698 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
699 | // wake up duration from sleep into forced mode |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
700 | *duration += 1250; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
701 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
702 | // THP cycle duration which consumes 1963 µs for each measurement at maximum |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
703 | if (dev->settings.osr_temperature) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
704 | *duration += (1 << (dev->settings.osr_temperature - 1)) * 2300; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
705 | if (dev->settings.osr_pressure) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
706 | *duration += (1 << (dev->settings.osr_pressure - 1)) * 2300 + 575; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
707 | if (dev->settings.osr_humidity) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
708 | *duration += (1 << (dev->settings.osr_humidity - 1)) * 2300 + 575; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
709 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
710 | // if gas measurement is used |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
711 | if (dev->settings.heater_profile != BME680_HEATER_NOT_USED && dev->settings.heater_duration[dev->settings.heater_profile] |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
712 | && dev->settings.heater_temperature[dev->settings.heater_profile]) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
713 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
714 | // gas heating time |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
715 | *duration += dev->settings.heater_duration[dev->settings.heater_profile] * 1000; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
716 | // gas measurement duration; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
717 | *duration += 2300 + 575; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
718 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
719 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
720 | // round up to next ms (1 us ... 1000 us => 1 ms) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
721 | *duration += 999; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
722 | *duration /= 1000; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
723 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
724 | // some ms tolerance |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
725 | *duration += 5; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
726 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
727 | // ceil to next integer value that is divisible by portTICK_PERIOD_MS and |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
728 | // compute RTOS ticks (1 ... portTICK_PERIOD_MS = 1 tick) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
729 | *duration = (*duration + portTICK_PERIOD_MS - 1) / portTICK_PERIOD_MS; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
730 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
731 | // Since first RTOS tick can be shorter than the half of defined tick period, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
732 | // the delay caused by vTaskDelay(duration) might be 1 or 2 ms shorter than |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
733 | // computed duration in rare cases. Since the duration is computed for maximum |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
734 | // and not for the typical durations and therefore tends to be too long, this |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
735 | // should not be a problem. Therefore, only one additional tick used. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
736 | *duration += 1; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
737 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
738 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
739 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
740 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
741 | esp_err_t bme680_is_measuring(bme680_t *dev, bool *busy) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
742 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
743 | CHECK_ARG(dev && busy); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
744 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
745 | // if measurement wasn't started, it is of course not measuring |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
746 | if (!dev->meas_started) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
747 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
748 | *busy = false; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
749 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
750 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
751 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
752 | CHECK(read_reg_8(dev, BME680_REG_MEAS_STATUS_0, &dev->meas_status)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
753 | *busy = dev->meas_status & BME680_MEASURING_BITS ? 1 : 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
754 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
755 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
756 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
757 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
758 | esp_err_t bme680_get_results_fixed(bme680_t *dev, bme680_values_fixed_t *results) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
759 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
760 | CHECK_ARG(dev && results); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
761 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
762 | // fill data structure with invalid values |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
763 | results->temperature = INT16_MIN; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
764 | results->pressure = 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
765 | results->humidity = 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
766 | results->gas_resistance = 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
767 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
768 | bme680_raw_data_t raw; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
769 | CHECK(bme680_get_raw_data(dev, &raw)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
770 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
771 | // use compensation algorithms to compute sensor values in fixed point format |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
772 | if (dev->settings.osr_temperature) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
773 | results->temperature = bme680_convert_temperature(dev, raw.temperature); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
774 | if (dev->settings.osr_pressure) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
775 | results->pressure = bme680_convert_pressure(dev, raw.pressure); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
776 | if (dev->settings.osr_humidity) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
777 | results->humidity = bme680_convert_humidity(dev, raw.humidity); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
778 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
779 | if (dev->settings.heater_profile != BME680_HEATER_NOT_USED) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
780 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
781 | // convert gas only if raw data are valid and heater was stable |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
782 | if (raw.gas_valid && raw.heater_stable) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
783 | results->gas_resistance = bme680_convert_gas(dev, raw.gas_resistance, raw.gas_range); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
784 | else if (!raw.gas_valid) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
785 | ESP_LOGW(TAG, "Gas data is not valid"); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
786 | else |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
787 | ESP_LOGW(TAG, "Heater is not stable"); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
788 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
789 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
790 | ESP_LOGD(TAG, "Fixed point sensor values - %d/100 deg.C, %" PRIu32 "/1000 %%, %" PRIu32 " Pa, %" PRIu32 " Ohm", |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
791 | results->temperature, results->humidity, results->pressure, results->gas_resistance); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
792 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
793 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
794 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
795 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
796 | esp_err_t bme680_get_results_float(bme680_t *dev, bme680_values_float_t *results) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
797 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
798 | CHECK_ARG(dev && results); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
799 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
800 | bme680_values_fixed_t fixed; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
801 | CHECK(bme680_get_results_fixed(dev, &fixed)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
802 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
803 | results->temperature = fixed.temperature / 100.0f; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
804 | results->pressure = fixed.pressure / 100.0f; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
805 | results->humidity = fixed.humidity / 1000.0f; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
806 | results->gas_resistance = fixed.gas_resistance; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
807 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
808 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
809 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
810 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
811 | esp_err_t bme680_measure_fixed(bme680_t *dev, bme680_values_fixed_t *results) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
812 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
813 | CHECK_ARG(dev && results); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
814 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
815 | uint32_t duration; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
816 | CHECK(bme680_get_measurement_duration(dev, &duration)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
817 | if (duration == 0) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
818 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
819 | ESP_LOGE(TAG, "Failed to get measurement duration"); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
820 | return ESP_FAIL; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
821 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
822 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
823 | CHECK(bme680_force_measurement(dev)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
824 | vTaskDelay(duration); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
825 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
826 | return bme680_get_results_fixed(dev, results); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
827 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
828 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
829 | esp_err_t bme680_measure_float(bme680_t *dev, bme680_values_float_t *results) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
830 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
831 | CHECK_ARG(dev && results); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
832 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
833 | uint32_t duration; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
834 | CHECK(bme680_get_measurement_duration(dev, &duration)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
835 | if (duration == 0) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
836 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
837 | ESP_LOGE(TAG, "Failed to get measurement duration"); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
838 | return ESP_FAIL; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
839 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
840 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
841 | CHECK(bme680_force_measurement(dev)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
842 | vTaskDelay(duration); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
843 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
844 | return bme680_get_results_float(dev, results); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
845 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
846 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
847 | esp_err_t bme680_set_oversampling_rates(bme680_t *dev, bme680_oversampling_rate_t ost, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
848 | bme680_oversampling_rate_t osp, bme680_oversampling_rate_t osh) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
849 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
850 | CHECK_ARG(dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
851 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
852 | bool ost_changed = dev->settings.osr_temperature != ost; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
853 | bool osp_changed = dev->settings.osr_pressure != osp; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
854 | bool osh_changed = dev->settings.osr_humidity != osh; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
855 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
856 | if (!ost_changed && !osp_changed && !osh_changed) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
857 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
858 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
859 | // Set the temperature, pressure and humidity oversampling |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
860 | dev->settings.osr_temperature = ost; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
861 | dev->settings.osr_pressure = osp; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
862 | dev->settings.osr_humidity = osh; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
863 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
864 | uint8_t reg; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
865 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
866 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
867 | if (ost_changed || osp_changed) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
868 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
869 | // read the current register value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
870 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_8_nolock(dev, BME680_REG_CTRL_MEAS, ®)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
871 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
872 | // set changed bit values |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
873 | if (ost_changed) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
874 | reg = bme_set_reg_bit(reg, BME680_OSR_T, ost); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
875 | if (osp_changed) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
876 | reg = bme_set_reg_bit(reg, BME680_OSR_P, osp); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
877 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
878 | // write back the new register value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
879 | I2C_DEV_CHECK(&dev->i2c_dev, write_reg_8_nolock(dev, BME680_REG_CTRL_MEAS, reg)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
880 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
881 | if (osh_changed) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
882 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
883 | // read the current register value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
884 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_8_nolock(dev, BME680_REG_CTRL_HUM, ®)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
885 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
886 | // set changed bit value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
887 | reg = bme_set_reg_bit(reg, BME680_OSR_H, osh); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
888 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
889 | // write back the new register value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
890 | I2C_DEV_CHECK(&dev->i2c_dev, write_reg_8_nolock(dev, BME680_REG_CTRL_HUM, reg)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
891 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
892 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
893 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
894 | ESP_LOGD(TAG, "Setting oversampling rates done: osrt=%d osp=%d osrh=%d", |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
895 | dev->settings.osr_temperature, dev->settings.osr_pressure, dev->settings.osr_humidity); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
896 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
897 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
898 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
899 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
900 | esp_err_t bme680_set_filter_size(bme680_t *dev, bme680_filter_size_t size) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
901 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
902 | CHECK_ARG(dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
903 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
904 | if (dev->settings.filter_size == size) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
905 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
906 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
907 | /* Set the temperature, pressure and humidity settings */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
908 | dev->settings.filter_size = size; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
909 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
910 | uint8_t reg; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
911 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
912 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
913 | // read the current register value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
914 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_8_nolock(dev, BME680_REG_CONFIG, ®)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
915 | // set changed bit value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
916 | reg = bme_set_reg_bit(reg, BME680_FILTER, size); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
917 | // write back the new register value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
918 | I2C_DEV_CHECK(&dev->i2c_dev, write_reg_8_nolock(dev, BME680_REG_CONFIG, reg)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
919 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
920 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
921 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
922 | ESP_LOGD(TAG, "Setting filter size done: size=%d", dev->settings.filter_size); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
923 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
924 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
925 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
926 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
927 | esp_err_t bme680_set_heater_profile(bme680_t *dev, uint8_t profile, uint16_t temperature, uint16_t duration) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
928 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
929 | CHECK_ARG(dev && profile < BME680_HEATER_PROFILES); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
930 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
931 | bool temperature_changed = dev->settings.heater_temperature[profile] != temperature; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
932 | bool duration_changed = dev->settings.heater_duration[profile] != duration; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
933 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
934 | if (!temperature_changed && !duration_changed) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
935 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
936 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
937 | // set external gas sensor configuration |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
938 | dev->settings.heater_temperature[profile] = temperature; // degree Celsius |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
939 | dev->settings.heater_duration[profile] = duration; // milliseconds |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
940 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
941 | // compute internal gas sensor configuration parameters |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
942 | uint8_t heat_dur = bme680_heater_duration(duration); // internal duration value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
943 | uint8_t heat_res = bme680_heater_resistance(dev, temperature); // internal temperature value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
944 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
945 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
946 | // set internal gas sensor configuration parameters if changed |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
947 | if (temperature_changed) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
948 | I2C_DEV_CHECK(&dev->i2c_dev, write_reg_8_nolock(dev, BME680_REG_RES_HEAT_BASE + profile, heat_res)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
949 | if (duration_changed) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
950 | I2C_DEV_CHECK(&dev->i2c_dev, write_reg_8_nolock(dev, BME680_REG_GAS_WAIT_BASE + profile, heat_dur)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
951 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
952 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
953 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
954 | ESP_LOGD(TAG, "Setting heater profile %d done: temperature=%d duration=%d" |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
955 | " heater_resistance=%02x heater_duration=%02x", profile, dev->settings.heater_temperature[profile], |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
956 | dev->settings.heater_duration[profile], heat_dur, heat_res); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
957 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
958 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
959 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
960 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
961 | esp_err_t bme680_use_heater_profile(bme680_t *dev, int8_t profile) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
962 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
963 | CHECK_ARG(dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
964 | CHECK_ARG(profile >= -1 && profile < BME680_HEATER_PROFILES); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
965 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
966 | if (dev->settings.heater_profile == profile) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
967 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
968 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
969 | dev->settings.heater_profile = profile; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
970 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
971 | uint8_t reg = 0; // set |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
972 | // set active profile |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
973 | reg = bme_set_reg_bit(reg, BME680_NB_CONV, profile != BME680_HEATER_NOT_USED ? profile : 0); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
974 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
975 | // enable or disable gas measurement |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
976 | reg = bme_set_reg_bit(reg, BME680_RUN_GAS, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
977 | (profile != BME680_HEATER_NOT_USED && dev->settings.heater_temperature[profile] && dev->settings.heater_duration[profile])); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
978 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
979 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
980 | I2C_DEV_CHECK(&dev->i2c_dev, write_reg_8_nolock(dev, BME680_REG_CTRL_GAS_1, reg)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
981 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
982 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
983 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
984 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
985 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
986 | esp_err_t bme680_set_ambient_temperature(bme680_t *dev, int16_t ambient) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
987 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
988 | CHECK_ARG(dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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989 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
990 | if (dev->settings.ambient_temperature == ambient) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
991 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
992 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
993 | // set ambient temperature configuration |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
994 | dev->settings.ambient_temperature = ambient; // degree Celsius |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
995 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
996 | // update all valid heater profiles |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
997 | uint8_t data[10]; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
998 | for (int i = 0; i < BME680_HEATER_PROFILES; i++) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
999 | data[i] = dev->settings.heater_temperature[i] |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1000 | ? bme680_heater_resistance(dev, dev->settings.heater_temperature[i]) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1001 | : 0; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1002 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1003 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1004 | I2C_DEV_CHECK(&dev->i2c_dev, i2c_dev_write_reg(&dev->i2c_dev, BME680_REG_RES_HEAT_BASE, data, 10)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1005 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1006 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1007 | ESP_LOGD(TAG, "Setting heater ambient temperature done: ambient=%d", dev->settings.ambient_temperature); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1008 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1009 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
1010 | } |