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
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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
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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
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7 | * |
1c9894662795
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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
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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.
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11 | * this list of conditions and the following disclaimer in the documentation |
1c9894662795
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12 | * and/or other materials provided with the distribution. |
1c9894662795
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13 | * 3. Neither the name of the copyright holder nor the names of itscontributors |
1c9894662795
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14 | * may be used to endorse or promote products derived from this software without |
1c9894662795
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15 | * specific prior written permission. |
1c9894662795
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16 | * |
1c9894662795
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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
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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
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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 | */ |
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28 | |
1c9894662795
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29 | /** |
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30 | * @file ccs811.c |
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31 | * |
1c9894662795
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32 | * ESP-IDF driver for AMS CCS811 digital gas sensor connected to I2C |
1c9894662795
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33 | * |
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34 | * Ported from esp-open-rtos |
1c9894662795
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35 | * |
1c9894662795
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36 | * Copyright (c) 2017 Gunar Schorcht <https://github.com/gschorcht>\n |
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37 | * Copyright (c) 2020 Ruslan V. Uss <unclerus@gmail.com>\n |
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38 | * |
1c9894662795
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39 | * BSD Licensed as described in the file LICENSE |
1c9894662795
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40 | */ |
1c9894662795
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41 | #include <string.h> |
1c9894662795
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42 | #include <inttypes.h> |
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43 | #include <esp_log.h> |
1c9894662795
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44 | #include <esp_idf_lib_helpers.h> |
1c9894662795
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45 | #include <freertos/FreeRTOS.h> |
1c9894662795
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46 | #include <freertos/task.h> |
1c9894662795
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47 | |
1c9894662795
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48 | #include "ccs811.h" |
1c9894662795
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49 | |
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50 | #define I2C_FREQ_HZ 400000 // 400kHz max |
1c9894662795
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51 | |
1c9894662795
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52 | static const char *TAG = "ccs811"; |
1c9894662795
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53 | |
1c9894662795
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54 | /* CCS811 register addresses */ |
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55 | #define CCS811_REG_STATUS 0x00 |
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56 | #define CCS811_REG_MEAS_MODE 0x01 |
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57 | #define CCS811_REG_ALG_RESULT_DATA 0x02 |
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58 | #define CCS811_REG_RAW_DATA 0x03 |
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59 | #define CCS811_REG_ENV_DATA 0x05 |
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60 | #define CCS811_REG_NTC 0x06 |
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61 | #define CCS811_REG_THRESHOLDS 0x10 |
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62 | #define CCS811_REG_BASELINE 0x11 |
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63 | |
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64 | #define CCS811_REG_HW_ID 0x20 |
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65 | #define CCS811_REG_HW_VER 0x21 |
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66 | #define CCS811_REG_FW_BOOT_VER 0x23 |
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67 | #define CCS811_REG_FW_APP_VER 0x24 |
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68 | |
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69 | #define CCS811_REG_ERROR_ID 0xe0 |
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70 | |
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71 | #define CCS811_REG_APP_ERASE 0xf1 |
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72 | #define CCS811_REG_APP_DATA 0xf2 |
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73 | #define CCS811_REG_APP_VERIFY 0xf3 |
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74 | #define CCS811_REG_APP_START 0xf4 |
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75 | #define CCS811_REG_SW_RESET 0xff |
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76 | |
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77 | // status register bits |
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78 | #define CCS811_STATUS_ERROR 0x01 // error, details in CCS811_REG_ERROR |
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79 | #define CCS811_STATUS_DATA_RDY 0x08 // new data sample in ALG_RESULT_DATA |
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80 | #define CCS811_STATUS_APP_VALID 0x10 // valid application firmware loaded |
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81 | #define CCS811_STATUS_FW_MODE 0x80 // firmware is in application mode |
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82 | |
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83 | // error register bits |
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84 | #define CCS811_ERR_WRITE_REG_INV 0x01 // invalid register address on write |
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85 | #define CCS811_ERR_READ_REG_INV 0x02 // invalid register address on read |
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86 | #define CCS811_ERR_MEASMODE_INV 0x04 // invalid requested measurement mode |
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87 | #define CCS811_ERR_MAX_RESISTANCE 0x08 // maximum sensor resistance exceeded |
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88 | #define CCS811_ERR_HEATER_FAULT 0x10 // heater current not in range |
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89 | #define CCS811_ERR_HEATER_SUPPLY 0x20 // heater voltage not applied correctly |
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90 | |
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91 | /** |
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92 | * Type declarations |
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93 | */ |
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94 | |
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95 | typedef struct |
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96 | { |
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97 | uint8_t reserved_1 :2; |
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98 | uint8_t int_thresh :1; // interrupt if new ALG_RESULT_DAT crosses on of the thresholds |
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99 | uint8_t int_datardy:1; // interrupt if new sample is ready in ALG_RESULT_DAT |
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100 | uint8_t drive_mode :3; // mode number binary coded |
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101 | } ccs811_meas_mode_reg_t; |
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102 | |
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103 | #define CHECK(x) do { esp_err_t __; if ((__ = x) != ESP_OK) return __; } while (0) |
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104 | #define CHECK_ARG(VAL) do { if (!(VAL)) return ESP_ERR_INVALID_ARG; } while (0) |
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105 | #define CHECK_LOGE(x, msg, ...) do { \ |
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106 | esp_err_t __; \ |
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107 | if ((__ = x) != ESP_OK) { \ |
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108 | ESP_LOGE(TAG, msg, ## __VA_ARGS__); \ |
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109 | return __; \ |
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110 | } \ |
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111 | } while (0) |
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112 | |
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113 | /////////////////////////////////////////////////////////////////////////////// |
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114 | /// Static functions |
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115 | |
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116 | static esp_err_t read_reg_nolock(ccs811_dev_t *dev, uint8_t reg, uint8_t *data, uint32_t len) |
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117 | { |
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118 | ESP_LOGD(TAG, "Read %" PRIu32 " bytes from i2c slave starting at reg addr %02x.", len, reg); |
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119 | |
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120 | esp_err_t res = i2c_dev_read_reg(&dev->i2c_dev, reg, data, len); |
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121 | if (res != ESP_OK) |
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122 | { |
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123 | ESP_LOGE(TAG, "Error %d on read %" PRIu32 " bytes from I2C slave reg addr %02x.", res, len, reg); |
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124 | return res; |
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125 | } |
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126 | |
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127 | return ESP_OK; |
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128 | } |
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129 | |
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130 | static esp_err_t write_reg_nolock(ccs811_dev_t *dev, uint8_t reg, uint8_t *data, uint32_t len) |
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131 | { |
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132 | ESP_LOGD(TAG, "Write %" PRIu32 " bytes to i2c slave starting at reg addr %02x", len, reg); |
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133 | |
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134 | esp_err_t res = i2c_dev_write_reg(&dev->i2c_dev, reg, data, len); |
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135 | if (res != ESP_OK) |
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136 | { |
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137 | ESP_LOGE(TAG, "Error %d on write %" PRIu32 " bytes to i2c slave register %02x.", res, len, reg); |
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138 | return res; |
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139 | } |
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140 | |
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141 | return ESP_OK; |
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142 | } |
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143 | |
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144 | static esp_err_t ccs811_is_available(ccs811_dev_t *dev) |
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145 | { |
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146 | CHECK_ARG(dev); |
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147 | |
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148 | uint8_t reg_data[5]; |
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149 | |
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150 | // check hardware id (register 0x20) and hardware version (register 0x21) |
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151 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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152 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_nolock(dev, CCS811_REG_HW_ID, reg_data, 5)); |
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153 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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154 | |
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155 | if (reg_data[0] != 0x81) |
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156 | { |
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157 | ESP_LOGE(TAG, "Wrong hardware ID %02x, should be 0x81", reg_data[0]); |
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158 | return CCS811_ERR_HW_ID; |
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159 | } |
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160 | |
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161 | ESP_LOGD(TAG, "hardware version: %02x", reg_data[1]); |
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162 | ESP_LOGD(TAG, "firmware boot version: %02x", reg_data[3]); |
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163 | ESP_LOGD(TAG, "firmware app version: %02x", reg_data[4]); |
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164 | |
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165 | return ESP_OK; |
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166 | } |
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167 | |
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168 | static esp_err_t ccs811_enable_threshold(ccs811_dev_t *dev, bool enabled) |
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169 | { |
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170 | CHECK_ARG(dev); |
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171 | |
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172 | ccs811_meas_mode_reg_t reg; |
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173 | |
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174 | // first, enable/disable the data ready interrupt |
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175 | CHECK(ccs811_enable_interrupt(dev, enabled)); |
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176 | |
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177 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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178 | |
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179 | // read measurement mode register value |
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180 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_nolock(dev, CCS811_REG_MEAS_MODE, (uint8_t *)®, 1)); |
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181 | |
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182 | // second, enable/disable the threshold interrupt mode |
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183 | reg.int_thresh = enabled; |
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184 | |
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185 | // write back measurement mode register |
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186 | I2C_DEV_CHECK_LOGE(&dev->i2c_dev, |
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187 | write_reg_nolock(dev, CCS811_REG_MEAS_MODE, (uint8_t *)®, 1), |
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188 | "Could not set measurement mode register."); |
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189 | |
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190 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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191 | |
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192 | return ESP_OK; |
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193 | } |
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194 | |
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195 | static esp_err_t ccs811_check_error_status(ccs811_dev_t *dev) |
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196 | { |
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197 | uint8_t status; |
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198 | uint8_t err_reg; |
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199 | |
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200 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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201 | |
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202 | // check status register |
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203 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_nolock(dev, CCS811_REG_STATUS, &status, 1)); |
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204 | |
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205 | if (!status & CCS811_STATUS_ERROR) |
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206 | { |
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207 | // everything is fine |
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208 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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209 | return ESP_OK; |
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210 | } |
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211 | |
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212 | // Check the error register |
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213 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_nolock(dev, CCS811_REG_ERROR_ID, &err_reg, 1)); |
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214 | |
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215 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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216 | |
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217 | if (err_reg & CCS811_ERR_WRITE_REG_INV) |
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218 | { |
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219 | ESP_LOGE(TAG, "Received an invalid register for write."); |
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220 | return CCS811_ERR_WR_REG_INV; |
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221 | } |
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222 | |
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223 | if (err_reg & CCS811_ERR_READ_REG_INV) |
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224 | { |
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225 | ESP_LOGE(TAG, "Received an invalid register for read."); |
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226 | return CCS811_ERR_RD_REG_INV; |
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227 | } |
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228 | |
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229 | if (err_reg & CCS811_ERR_MEASMODE_INV) |
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230 | { |
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231 | ESP_LOGE(TAG, "Received an invalid measurement mode request."); |
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232 | return CCS811_ERR_MM_INV; |
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233 | } |
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234 | |
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235 | if (err_reg & CCS811_ERR_MAX_RESISTANCE) |
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236 | { |
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237 | ESP_LOGE(TAG, "Sensor resistance measurement has reached or exceeded the maximum range."); |
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238 | return CCS811_ERR_MAX_RESIST; |
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239 | } |
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240 | |
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241 | if (err_reg & CCS811_ERR_HEATER_FAULT) |
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242 | { |
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243 | ESP_LOGE(TAG, "Heater current not in range."); |
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244 | return CCS811_ERR_HEAT_FAULT; |
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245 | } |
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246 | |
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247 | if (err_reg & CCS811_ERR_HEATER_SUPPLY) |
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248 | { |
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249 | ESP_LOGE(TAG, "Heater voltage is not being applied correctly."); |
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250 | return CCS811_ERR_HEAT_SUPPLY; |
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251 | } |
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252 | |
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253 | return ESP_OK; |
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254 | } |
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255 | |
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256 | /////////////////////////////////////////////////////////////////////////////// |
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257 | /// Public functions |
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258 | |
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259 | esp_err_t ccs811_init_desc(ccs811_dev_t *dev, uint8_t addr, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio) |
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260 | { |
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261 | CHECK_ARG(dev); |
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262 | if (addr != CCS811_I2C_ADDRESS_1 && addr != CCS811_I2C_ADDRESS_2) |
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263 | { |
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264 | ESP_LOGE(TAG, "Invalid device address: 0x%02x", addr); |
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265 | return ESP_ERR_INVALID_ARG; |
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266 | } |
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267 | |
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268 | dev->i2c_dev.port = port; |
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269 | dev->i2c_dev.addr = addr; |
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270 | dev->i2c_dev.cfg.sda_io_num = sda_gpio; |
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271 | dev->i2c_dev.cfg.scl_io_num = scl_gpio; |
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272 | #if HELPER_TARGET_IS_ESP32 |
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273 | dev->i2c_dev.cfg.master.clk_speed = I2C_FREQ_HZ; |
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274 | #endif |
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275 | dev->i2c_dev.timeout_ticks = I2CDEV_MAX_STRETCH_TIME; |
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276 | |
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277 | return i2c_dev_create_mutex(&dev->i2c_dev); |
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278 | } |
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279 | |
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280 | esp_err_t ccs811_free_desc(ccs811_dev_t *dev) |
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281 | { |
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282 | CHECK_ARG(dev); |
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283 | |
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284 | return i2c_dev_delete_mutex(&dev->i2c_dev); |
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285 | } |
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286 | |
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287 | esp_err_t ccs811_init(ccs811_dev_t *dev) |
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288 | { |
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289 | CHECK_ARG(dev); |
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290 | |
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291 | // init sensor data structure |
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292 | dev->mode = CCS811_MODE_IDLE; |
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293 | |
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294 | // check whether sensor is available including the check of the hardware |
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295 | // id and the error state |
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296 | CHECK_LOGE(ccs811_is_available(dev), "Sensor is not available."); |
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297 | |
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298 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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299 | |
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300 | const static uint8_t sw_reset[4] = { 0x11, 0xe5, 0x72, 0x8a }; |
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301 | |
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302 | // doing a software reset first |
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303 | I2C_DEV_CHECK_LOGE(&dev->i2c_dev, |
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304 | write_reg_nolock(dev, CCS811_REG_SW_RESET, (uint8_t *)sw_reset, 4), |
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305 | "Could not reset the sensor."); |
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306 | |
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307 | uint8_t status; |
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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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308 | |
1c9894662795
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309 | // wait 100 ms after the reset |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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310 | vTaskDelay(pdMS_TO_TICKS(100)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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311 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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312 | // get the status to check whether sensor is in bootloader mode |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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313 | I2C_DEV_CHECK_LOGE(&dev->i2c_dev, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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314 | read_reg_nolock(dev, CCS811_REG_STATUS, &status, 1), |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
315 | "Could not read status register 0x%02x.", CCS811_REG_STATUS); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
316 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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317 | // if sensor is in bootloader mode (FW_MODE == 0), it has to switch |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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318 | // to the application mode first |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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319 | if (!(status & CCS811_STATUS_FW_MODE)) |
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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|
320 | { |
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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|
321 | // check whether valid application firmware is loaded |
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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|
322 | if (!(status & CCS811_STATUS_APP_VALID)) |
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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|
323 | { |
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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|
324 | ESP_LOGE(TAG, "Sensor is in boot mode, but has no valid application."); |
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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|
325 | 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.
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326 | return CCS811_ERR_NO_APP; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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327 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
328 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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329 | // swtich to application mode |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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330 | uint8_t r = CCS811_REG_APP_START; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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331 | I2C_DEV_CHECK_LOGE(&dev->i2c_dev, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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332 | i2c_dev_write(&dev->i2c_dev, NULL, 0, &r, 1), |
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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|
333 | "Could not start application."); |
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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|
334 | |
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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|
335 | // wait 100 ms after starting the app |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
336 | vTaskDelay(pdMS_TO_TICKS(100)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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337 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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338 | // get the status to check whether sensor switched to application mode |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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339 | I2C_DEV_CHECK_LOGE(&dev->i2c_dev, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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340 | read_reg_nolock(dev, CCS811_REG_STATUS, &status, 1), |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
341 | "Could not read application status."); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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342 | if (!(status & CCS811_STATUS_FW_MODE)) |
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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343 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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344 | ESP_LOGE(TAG, "Could not start application, invalid status 0x%02x.", status); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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345 | 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.
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346 | return CCS811_ERR_APP_START_FAIL; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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347 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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348 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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349 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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350 | 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.
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parents:
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|
351 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
352 | // try to set default measurement mode to CCS811_MODE_1S |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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353 | CHECK(ccs811_set_mode(dev, CCS811_MODE_1S)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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354 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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355 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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356 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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357 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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358 | esp_err_t ccs811_set_mode(ccs811_dev_t *dev, ccs811_mode_t mode) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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359 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
360 | CHECK_ARG(dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
361 | |
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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|
362 | ccs811_meas_mode_reg_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:
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|
363 | |
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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|
364 | 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
|
365 | |
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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|
366 | // read measurement mode register value |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
367 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_nolock(dev, CCS811_REG_MEAS_MODE, (uint8_t *)®, 1)); |
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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|
368 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
369 | reg.drive_mode = mode; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
370 | |
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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|
371 | // write back measurement mode register |
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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|
372 | I2C_DEV_CHECK_LOGE(&dev->i2c_dev, |
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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|
373 | write_reg_nolock(dev, CCS811_REG_MEAS_MODE, (uint8_t *)®, 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
|
374 | "Could not set measurement mode."); |
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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|
375 | |
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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|
376 | // check whether setting measurement mode were succesfull |
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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|
377 | I2C_DEV_CHECK_LOGE(&dev->i2c_dev, |
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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|
378 | read_reg_nolock(dev, CCS811_REG_MEAS_MODE, (uint8_t *)®, 1), |
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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|
379 | "Could not set measurement 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
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|
380 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
381 | if (reg.drive_mode != mode) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
382 | { |
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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|
383 | ESP_LOGE(TAG, "Could not set measurement mode to %d", 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:
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|
384 | 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:
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|
385 | return CCS811_ERR_MM_INV; |
1c9894662795
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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|
386 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
387 | |
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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|
388 | dev->mode = mode; |
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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|
389 | 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
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|
390 | |
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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|
391 | 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:
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|
392 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
393 | |
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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|
394 | #define CCS811_ALG_DATA_ECO2_HB 0 |
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 | #define CCS811_ALG_DATA_ECO2_LB 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:
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|
396 | #define CCS811_ALG_DATA_TVOC_HB 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:
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|
397 | #define CCS811_ALG_DATA_TVOC_LB 3 |
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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|
398 | #define CCS811_ALG_DATA_STATUS 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:
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|
399 | #define CCS811_ALG_DATA_ERROR_ID 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:
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|
400 | #define CCS811_ALG_DATA_RAW_HB 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:
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|
401 | #define CCS811_ALG_DATA_RAW_LB 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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|
402 | |
1c9894662795
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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|
403 | esp_err_t ccs811_get_results(ccs811_dev_t *dev, uint16_t *iaq_tvoc, |
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 | uint16_t *iaq_eco2, uint8_t *raw_i, uint16_t *raw_v) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
405 | { |
1c9894662795
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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|
406 | 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
|
407 | |
1c9894662795
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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|
408 | if (dev->mode == CCS811_MODE_IDLE) |
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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|
409 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
410 | ESP_LOGE(TAG, "Sensor is in idle mode and not performing measurements."); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
411 | return CCS811_ERR_WRONG_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
|
412 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
413 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
414 | if (dev->mode == CCS811_MODE_250MS && (iaq_tvoc || iaq_eco2)) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
415 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
416 | ESP_LOGE(TAG, "Sensor is in constant power mode, only raw data are available every 250ms"); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
417 | return CCS811_ERR_NO_IAQ_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
|
418 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
419 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
420 | uint8_t data[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
changeset
|
421 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
422 | // read IAQ sensor values and RAW sensor data including status and error 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
|
423 | 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
|
424 | I2C_DEV_CHECK_LOGE(&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
|
425 | read_reg_nolock(dev, CCS811_REG_ALG_RESULT_DATA, data, 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
changeset
|
426 | "Could not read sensor 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
|
427 | 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
|
428 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
429 | // check for errors |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
430 | if (data[CCS811_ALG_DATA_STATUS] & CCS811_STATUS_ERROR) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
431 | return ccs811_check_error_status(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
|
432 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
433 | // check whether new data are ready, if not, latest values are read from 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
|
434 | if (!(data[CCS811_ALG_DATA_STATUS] & CCS811_STATUS_DATA_RDY)) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
435 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
436 | ESP_LOGD(TAG, "No new 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
|
437 | return CCS811_ERR_NO_NEW_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
|
438 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
439 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
440 | // if *iaq* is not NULL return IAQ sensor 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
|
441 | if (iaq_tvoc) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
442 | *iaq_tvoc = data[CCS811_ALG_DATA_TVOC_HB] << 8 | data[CCS811_ALG_DATA_TVOC_LB]; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
443 | if (iaq_eco2) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
444 | *iaq_eco2 = data[CCS811_ALG_DATA_ECO2_HB] << 8 | data[CCS811_ALG_DATA_ECO2_LB]; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
445 | |
1c9894662795
Added 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 | // if *raw* is not NULL return RAW sensor 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
|
447 | if (raw_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
|
448 | *raw_i = data[CCS811_ALG_DATA_RAW_HB] >> 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
changeset
|
449 | if (raw_v) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
450 | *raw_v = (data[CCS811_ALG_DATA_RAW_HB] & 0x03) << 8 | data[CCS811_ALG_DATA_RAW_LB]; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
451 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
452 | 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
|
453 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
454 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
455 | esp_err_t ccs811_get_ntc_resistance(ccs811_dev_t *dev, uint32_t r_ref, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
456 | uint32_t *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
|
457 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
458 | CHECK_ARG(dev && 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
|
459 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
460 | uint8_t data[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
|
461 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
462 | // read baseline register |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
463 | 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
|
464 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_nolock(dev, CCS811_REG_NTC, data, 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
|
465 | 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
|
466 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
467 | // calculation from application note ams AN000372 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
468 | uint16_t v_ref = (uint16_t) (data[0]) << 8 | data[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
|
469 | uint16_t v_ntc = (uint16_t) (data[2]) << 8 | data[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
|
470 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
471 | *res = (v_ntc * r_ref / v_ref); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
472 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
473 | 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
|
474 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
475 | |
1c9894662795
Added 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 | esp_err_t ccs811_set_environmental_data(ccs811_dev_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
|
477 | float temperature, float 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
|
478 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
479 | 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
|
480 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
481 | uint16_t hum_conv = humidity * 512.0f + 0.5f; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
482 | uint16_t temp_conv = (temperature + 25.0f) * 512.0f + 0.5f; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
483 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
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
changeset
|
485 | // fill environmental 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
|
486 | uint8_t data[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
|
487 | (uint8_t)((hum_conv >> 8) & 0xFF), (uint8_t)(hum_conv & 0xFF), |
1c9894662795
Added 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 | (uint8_t)((temp_conv >> 8) & 0xFF), (uint8_t)(temp_conv & 0xFF) |
1c9894662795
Added 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 | // send environmental data to 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
|
492 | 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
|
493 | I2C_DEV_CHECK_LOGE(&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
|
494 | write_reg_nolock(dev, CCS811_REG_ENV_DATA, data, 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
|
495 | "Could not write environmental data to 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
|
496 | 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
|
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 | 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
|
499 | } |
1c9894662795
Added 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 | |
1c9894662795
Added 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 | esp_err_t ccs811_set_eco2_thresholds(ccs811_dev_t *dev, uint16_t low, |
1c9894662795
Added 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 | uint16_t high, uint8_t hysteresis) |
1c9894662795
Added 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 | 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
|
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 | // check whether interrupt has to be disabled |
1c9894662795
Added 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 | if (!low && !high && !hysteresis) |
1c9894662795
Added 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 | return ccs811_enable_threshold(dev, 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
|
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 | // check 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
|
511 | if (low < CCS_ECO2_RANGE_MIN || high > CCS_ECO2_RANGE_MAX || low > high || !hysteresis) |
1c9894662795
Added 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
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|
513 | ESP_LOGE(TAG, "Wrong threshold 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
|
514 | CHECK(ccs811_enable_threshold(dev, 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
|
515 | return CCS811_ERR_WRONG_PARAMS; |
1c9894662795
Added 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 | |
1c9894662795
Added 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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518 | // fill the threshold 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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changeset
|
519 | uint8_t data[5] = { low >> 8, low & 0xff, high >> 8, high & 0xff, hysteresis }; |
1c9894662795
Added 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 | // write threshold data to 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
|
522 | 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
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523 | I2C_DEV_CHECK_LOGE(&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
|
524 | write_reg_nolock(dev, CCS811_REG_THRESHOLDS, data, 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
|
525 | "Could not write threshold interrupt data to 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
|
526 | 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
|
527 | |
1c9894662795
Added 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 | // finally enable the threshold interrupt 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
|
529 | return ccs811_enable_threshold(dev, 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
|
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 | |
1c9894662795
Added 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 | esp_err_t ccs811_enable_interrupt(ccs811_dev_t *dev, bool enabled) |
1c9894662795
Added 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 | { |
1c9894662795
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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534 | 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
|
535 | |
1c9894662795
Added 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 | ccs811_meas_mode_reg_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
|
537 | |
1c9894662795
Added 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 | 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
|
539 | |
1c9894662795
Added 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 | // read measurement mode 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
|
541 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_nolock(dev, CCS811_REG_MEAS_MODE, (uint8_t *)®, 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
|
542 | |
1c9894662795
Added 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 | reg.int_datardy = enabled; |
1c9894662795
Added 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 | reg.int_thresh = false; // threshold mode must not enabled |
1c9894662795
Added 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 | |
1c9894662795
Added 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 | // write back measurement mode register |
1c9894662795
Added 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 | I2C_DEV_CHECK(&dev->i2c_dev, write_reg_nolock(dev, CCS811_REG_MEAS_MODE, (uint8_t *)®, 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
|
548 | |
1c9894662795
Added 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 | 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
|
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 | 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
|
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 ccs811_get_baseline(ccs811_dev_t *dev, uint16_t *baseline) |
1c9894662795
Added 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 && baseline); |
1c9894662795
Added 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 | uint8_t data[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
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 | 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
|
561 | // read baseline register |
1c9894662795
Added 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 | I2C_DEV_CHECK(&dev->i2c_dev, read_reg_nolock(dev, CCS811_REG_BASELINE, data, 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
changeset
|
563 | 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
|
564 | |
1c9894662795
Added 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 | *baseline = (uint16_t) (data[0]) << 8 | data[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
|
566 | |
1c9894662795
Added 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 | 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
|
568 | } |
1c9894662795
Added 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 | |
1c9894662795
Added 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 | esp_err_t ccs811_set_baseline(ccs811_dev_t *dev, uint16_t baseline) |
1c9894662795
Added 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 | 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
|
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 | uint8_t data[2] = { baseline >> 8, baseline & 0xff }; |
1c9894662795
Added 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 | |
1c9894662795
Added 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 | 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
|
577 | // write baseline register |
1c9894662795
Added 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 | I2C_DEV_CHECK(&dev->i2c_dev, write_reg_nolock(dev, CCS811_REG_BASELINE, data, 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
changeset
|
579 | 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
|
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 | 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
|
582 | } |