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 | * The MIT License (MIT) |
1c9894662795
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3 | * |
1c9894662795
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4 | * Copyright (c) 2016 sheinz <https://github.com/sheinz> |
1c9894662795
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5 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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6 | * |
1c9894662795
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7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
1c9894662795
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8 | * of this software and associated documentation files (the "Software"), to deal |
1c9894662795
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9 | * in the Software without restriction, including without limitation the rights |
1c9894662795
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10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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11 | * copies of the Software, and to permit persons to whom the Software is |
1c9894662795
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12 | * furnished to do so, subject to the following conditions: |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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13 | * The above copyright notice and this permission notice shall be included in all |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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14 | * copies or substantial portions of the Software. |
1c9894662795
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15 | * |
1c9894662795
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16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
1c9894662795
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17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
1c9894662795
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18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
1c9894662795
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19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
1c9894662795
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20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
1c9894662795
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21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
1c9894662795
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22 | * SOFTWARE. |
1c9894662795
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23 | */ |
1c9894662795
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24 | |
1c9894662795
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25 | /** |
1c9894662795
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26 | * @file bmp280.h |
1c9894662795
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27 | * @defgroup bmp280 bmp280 |
1c9894662795
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28 | * @{ |
1c9894662795
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29 | * |
1c9894662795
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30 | * ESP-IDF driver for BMP280/BME280 digital pressure sensor |
1c9894662795
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31 | * |
1c9894662795
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32 | * Ported from esp-open-rtos |
1c9894662795
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33 | * |
1c9894662795
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34 | * Copyright (c) 2016 sheinz <https://github.com/sheinz>\n |
1c9894662795
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35 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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36 | * |
1c9894662795
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37 | * MIT Licensed as described in the file LICENSE |
1c9894662795
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38 | */ |
1c9894662795
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39 | #ifndef __BMP280_H__ |
1c9894662795
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40 | #define __BMP280_H__ |
1c9894662795
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41 | |
1c9894662795
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42 | #include <stdint.h> |
1c9894662795
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43 | #include <stdbool.h> |
1c9894662795
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44 | #include <esp_err.h> |
1c9894662795
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45 | #include <i2cdev.h> |
1c9894662795
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46 | |
1c9894662795
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47 | #ifdef __cplusplus |
1c9894662795
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48 | extern "C" { |
1c9894662795
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49 | #endif |
1c9894662795
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50 | |
1c9894662795
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51 | #define BMP280_I2C_ADDRESS_0 0x76 //!< I2C address when SDO pin is low |
1c9894662795
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52 | #define BMP280_I2C_ADDRESS_1 0x77 //!< I2C address when SDO pin is high |
1c9894662795
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53 | |
1c9894662795
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54 | #define BMP280_CHIP_ID 0x58 //!< BMP280 has chip-id 0x58 |
1c9894662795
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55 | #define BME280_CHIP_ID 0x60 //!< BME280 has chip-id 0x60 |
1c9894662795
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56 | |
1c9894662795
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57 | /** |
1c9894662795
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58 | * Mode of BMP280 module operation. |
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59 | */ |
1c9894662795
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60 | typedef enum { |
1c9894662795
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61 | BMP280_MODE_SLEEP = 0, //!< Sleep mode |
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62 | BMP280_MODE_FORCED = 1, //!< Measurement is initiated by user |
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63 | BMP280_MODE_NORMAL = 3 //!< Continues measurement |
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64 | } BMP280_Mode; |
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65 | |
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66 | typedef enum { |
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67 | BMP280_FILTER_OFF = 0, |
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68 | BMP280_FILTER_2 = 1, |
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69 | BMP280_FILTER_4 = 2, |
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70 | BMP280_FILTER_8 = 3, |
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71 | BMP280_FILTER_16 = 4 |
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72 | } BMP280_Filter; |
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73 | |
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74 | /** |
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75 | * Pressure oversampling settings |
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76 | */ |
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77 | typedef enum { |
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78 | BMP280_SKIPPED = 0, //!< no measurement |
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79 | BMP280_ULTRA_LOW_POWER = 1, //!< oversampling x1 |
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80 | BMP280_LOW_POWER = 2, //!< oversampling x2 |
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81 | BMP280_STANDARD = 3, //!< oversampling x4 |
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82 | BMP280_HIGH_RES = 4, //!< oversampling x8 |
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83 | BMP280_ULTRA_HIGH_RES = 5 //!< oversampling x16 |
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84 | } BMP280_Oversampling; |
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85 | |
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86 | /** |
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87 | * Stand by time between measurements in normal mode |
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88 | */ |
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89 | typedef enum { |
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90 | BMP280_STANDBY_05 = 0, //!< stand by time 0.5ms |
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91 | BMP280_STANDBY_62 = 1, //!< stand by time 62.5ms |
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92 | BMP280_STANDBY_125 = 2, //!< stand by time 125ms |
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93 | BMP280_STANDBY_250 = 3, //!< stand by time 250ms |
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94 | BMP280_STANDBY_500 = 4, //!< stand by time 500ms |
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95 | BMP280_STANDBY_1000 = 5, //!< stand by time 1s |
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96 | BMP280_STANDBY_2000 = 6, //!< stand by time 2s BMP280, 10ms BME280 |
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97 | BMP280_STANDBY_4000 = 7, //!< stand by time 4s BMP280, 20ms BME280 |
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98 | } BMP280_StandbyTime; |
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99 | |
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100 | /** |
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101 | * Configuration parameters for BMP280 module. |
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102 | * Use function ::bmp280_init_default_params() to use default configuration. |
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103 | */ |
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104 | typedef struct { |
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105 | BMP280_Mode mode; |
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106 | BMP280_Filter filter; |
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107 | BMP280_Oversampling oversampling_pressure; |
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108 | BMP280_Oversampling oversampling_temperature; |
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109 | BMP280_Oversampling oversampling_humidity; |
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110 | BMP280_StandbyTime standby; |
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111 | } bmp280_params_t; |
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112 | |
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113 | /** |
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114 | * Device descriptor |
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115 | */ |
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116 | typedef struct { |
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117 | uint16_t dig_T1; |
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118 | int16_t dig_T2; |
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119 | int16_t dig_T3; |
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120 | uint16_t dig_P1; |
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121 | int16_t dig_P2; |
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122 | int16_t dig_P3; |
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123 | int16_t dig_P4; |
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124 | int16_t dig_P5; |
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125 | int16_t dig_P6; |
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126 | int16_t dig_P7; |
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127 | int16_t dig_P8; |
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128 | int16_t dig_P9; |
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129 | |
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130 | /* Humidity compensation for BME280 */ |
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131 | uint8_t dig_H1; |
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132 | int16_t dig_H2; |
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133 | uint8_t dig_H3; |
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134 | int16_t dig_H4; |
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135 | int16_t dig_H5; |
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136 | int8_t dig_H6; |
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137 | |
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138 | i2c_dev_t i2c_dev; //!< I2C device descriptor |
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139 | uint8_t id; //!< Chip ID |
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140 | } bmp280_t; |
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141 | |
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142 | /** |
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143 | * @brief Initialize device descriptor |
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144 | * |
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145 | * @param dev Device descriptor |
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146 | * @param addr BMP280 address |
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147 | * @param port I2C port number |
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148 | * @param sda_gpio GPIO pin for SDA |
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149 | * @param scl_gpio GPIO pin for SCL |
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150 | * @return `ESP_OK` on success |
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151 | */ |
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152 | esp_err_t bmp280_init_desc(bmp280_t *dev, uint8_t addr, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio); |
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153 | |
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154 | /** |
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155 | * @brief Free device descriptor |
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156 | * |
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157 | * @param dev Device descriptor |
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158 | * @return `ESP_OK` on success |
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159 | */ |
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160 | esp_err_t bmp280_free_desc(bmp280_t *dev); |
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161 | |
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162 | /** |
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163 | * @brief Initialize default parameters |
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164 | * |
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165 | * Default configuration: |
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166 | * |
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167 | * - mode: NORMAL |
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168 | * - filter: OFF |
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169 | * - oversampling: x4 |
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170 | * - standby time: 250ms |
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171 | * |
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172 | * @param[out] params Default parameters |
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173 | * @return `ESP_OK` on success |
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174 | */ |
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175 | esp_err_t bmp280_init_default_params(bmp280_params_t *params); |
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176 | |
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177 | /** |
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178 | * @brief Initialize BMP280 module |
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179 | * |
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180 | * Probes for the device, soft resets the device, reads the calibration |
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181 | * constants, and configures the device using the supplied parameters. |
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182 | * |
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183 | * This may be called again to soft reset the device and initialize it again. |
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184 | * |
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185 | * @param dev Device descriptor |
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186 | * @param params Parameters |
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187 | * @return `ESP_OK` on success |
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188 | */ |
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189 | esp_err_t bmp280_init(bmp280_t *dev, bmp280_params_t *params); |
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190 | |
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191 | /** |
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192 | * @brief Start measurement in forced mode |
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193 | * |
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194 | * The module remains in forced mode after this call. |
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195 | * Do not call this method in normal mode. |
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196 | * |
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197 | * @param dev Device descriptor |
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198 | * @return `ESP_OK` on success |
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199 | */ |
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200 | esp_err_t bmp280_force_measurement(bmp280_t *dev); |
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201 | |
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202 | /** |
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203 | * @brief Check if BMP280 is busy |
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204 | * |
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205 | * @param dev Device descriptor |
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206 | * @param[out] busy true if BMP280 measures temperature/pressure |
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207 | * @return `ESP_OK` on success |
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208 | */ |
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209 | esp_err_t bmp280_is_measuring(bmp280_t *dev, bool *busy); |
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210 | |
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211 | /** |
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212 | * @brief Read raw compensated temperature and pressure data |
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213 | * |
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214 | * Temperature in degrees Celsius times 100. |
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215 | * |
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216 | * Pressure in Pascals in fixed point 24 bit integer 8 bit fraction format. |
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217 | * |
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218 | * Humidity is optional and only read for the BME280, in percent relative |
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219 | * humidity as a fixed point 22 bit integer and 10 bit fraction format. |
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220 | * |
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221 | * @param dev Device descriptor |
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222 | * @param[out] temperature Temperature, deg.C * 100 |
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223 | * @param[out] pressure Pressure |
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224 | * @param[out] humidity Humidity, optional |
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225 | * @return `ESP_OK` on success |
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226 | */ |
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227 | esp_err_t bmp280_read_fixed(bmp280_t *dev, int32_t *temperature, |
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228 | uint32_t *pressure, uint32_t *humidity); |
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229 | |
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230 | /** |
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231 | * @brief Read compensated temperature and pressure data |
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232 | * |
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233 | * Humidity is optional and only read for the BME280. |
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234 | * |
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235 | * @param dev Device descriptor |
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236 | * @param[out] temperature Temperature, deg.C |
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237 | * @param[out] pressure Pressure, Pascal |
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238 | * @param[out] humidity Relative humidity, percents (optional) |
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239 | * @return `ESP_OK` on success |
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240 | */ |
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241 | esp_err_t bmp280_read_float(bmp280_t *dev, float *temperature, |
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242 | float *pressure, float *humidity); |
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243 | |
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244 | #ifdef __cplusplus |
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245 | } |
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246 | #endif |
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247 | |
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248 | /**@}*/ |
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249 | |
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250 | #endif // __BMP280_H__ |