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) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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5 | * |
1c9894662795
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6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
1c9894662795
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7 | * of this software and associated documentation files (the "Software"), to deal |
1c9894662795
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8 | * in the Software without restriction, including without limitation the rights |
1c9894662795
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9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
1c9894662795
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10 | * copies of the Software, and to permit persons to whom the Software is |
1c9894662795
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11 | * furnished to do so, subject to the following conditions: |
1c9894662795
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12 | * The above copyright notice and this permission notice shall be included in all |
1c9894662795
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13 | * copies or substantial portions of the Software. |
1c9894662795
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14 | * |
1c9894662795
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
1c9894662795
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16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
1c9894662795
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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
1c9894662795
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18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
1c9894662795
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19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
1c9894662795
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20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
1c9894662795
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21 | * SOFTWARE. |
1c9894662795
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22 | */ |
1c9894662795
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23 | |
1c9894662795
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24 | /** |
1c9894662795
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25 | * @file i2cdev.h |
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26 | * @defgroup i2cdev i2cdev |
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27 | * @{ |
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28 | * |
1c9894662795
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29 | * ESP-IDF I2C master thread-safe functions for communication with I2C slave |
1c9894662795
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30 | * |
1c9894662795
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31 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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32 | * |
1c9894662795
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33 | * MIT Licensed as described in the file LICENSE |
1c9894662795
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34 | */ |
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35 | #ifndef __I2CDEV_H__ |
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36 | #define __I2CDEV_H__ |
1c9894662795
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37 | |
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38 | #include <driver/i2c.h> |
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39 | #include <freertos/FreeRTOS.h> |
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40 | #include <freertos/semphr.h> |
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41 | #include <esp_err.h> |
1c9894662795
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42 | #include <esp_idf_lib_helpers.h> |
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43 | |
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44 | #ifdef __cplusplus |
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45 | extern "C" { |
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46 | #endif |
1c9894662795
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47 | |
1c9894662795
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48 | #if HELPER_TARGET_IS_ESP8266 |
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49 | |
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50 | #define I2CDEV_MAX_STRETCH_TIME 0xffffffff |
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51 | |
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52 | #else |
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53 | |
1c9894662795
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54 | #include <soc/i2c_reg.h> |
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55 | #if defined(I2C_TIME_OUT_VALUE_V) |
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56 | #define I2CDEV_MAX_STRETCH_TIME I2C_TIME_OUT_VALUE_V |
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57 | #elif defined(I2C_TIME_OUT_REG_V) |
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58 | #define I2CDEV_MAX_STRETCH_TIME I2C_TIME_OUT_REG_V |
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59 | #else |
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60 | #define I2CDEV_MAX_STRETCH_TIME 0x00ffffff |
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61 | #endif |
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62 | |
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63 | #endif /* HELPER_TARGET_IS_ESP8266 */ |
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64 | |
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65 | /** |
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66 | * I2C device descriptor |
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67 | */ |
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68 | typedef struct |
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69 | { |
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70 | i2c_port_t port; //!< I2C port number |
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71 | i2c_config_t cfg; //!< I2C driver configuration |
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72 | uint8_t addr; //!< Unshifted address |
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73 | SemaphoreHandle_t mutex; //!< Device mutex |
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74 | uint32_t timeout_ticks; /*!< HW I2C bus timeout (stretch time), in ticks. 80MHz APB clock |
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75 | ticks for ESP-IDF, CPU ticks for ESP8266. |
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76 | When this value is 0, I2CDEV_MAX_STRETCH_TIME will be used */ |
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77 | } i2c_dev_t; |
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78 | |
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79 | /** |
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80 | * I2C transaction type |
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81 | */ |
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82 | typedef enum { |
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83 | I2C_DEV_WRITE = 0, /**< Write operation */ |
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84 | I2C_DEV_READ /**< Read operation */ |
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85 | } i2c_dev_type_t; |
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86 | |
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87 | /** |
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88 | * @brief Init library |
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89 | * |
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90 | * The function must be called before any other |
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91 | * functions of this library. |
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92 | * |
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93 | * @return ESP_OK on success |
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94 | */ |
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95 | esp_err_t i2cdev_init(); |
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96 | |
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97 | /** |
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98 | * @brief Finish work with library |
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99 | * |
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100 | * Uninstall i2c drivers. |
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101 | * |
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102 | * @return ESP_OK on success |
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103 | */ |
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104 | esp_err_t i2cdev_done(); |
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105 | |
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106 | /** |
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107 | * @brief Create mutex for device descriptor |
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108 | * |
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109 | * This function does nothing if option CONFIG_I2CDEV_NOLOCK is enabled. |
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110 | * |
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111 | * @param dev Device descriptor |
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112 | * @return ESP_OK on success |
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113 | */ |
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114 | esp_err_t i2c_dev_create_mutex(i2c_dev_t *dev); |
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115 | |
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116 | /** |
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117 | * @brief Delete mutex for device descriptor |
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118 | * |
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119 | * This function does nothing if option CONFIG_I2CDEV_NOLOCK is enabled. |
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120 | * |
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121 | * @param dev Device descriptor |
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122 | * @return ESP_OK on success |
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123 | */ |
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124 | esp_err_t i2c_dev_delete_mutex(i2c_dev_t *dev); |
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125 | |
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126 | /** |
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127 | * @brief Take device mutex |
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128 | * |
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129 | * This function does nothing if option CONFIG_I2CDEV_NOLOCK is enabled. |
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130 | * |
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131 | * @param dev Device descriptor |
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132 | * @return ESP_OK on success |
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133 | */ |
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134 | esp_err_t i2c_dev_take_mutex(i2c_dev_t *dev); |
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135 | |
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136 | /** |
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137 | * @brief Give device mutex |
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138 | * |
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139 | * This function does nothing if option CONFIG_I2CDEV_NOLOCK is enabled. |
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140 | * |
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141 | * @param dev Device descriptor |
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142 | * @return ESP_OK on success |
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143 | */ |
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144 | esp_err_t i2c_dev_give_mutex(i2c_dev_t *dev); |
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145 | |
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146 | /** |
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147 | * @brief Check the availability of the device |
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148 | * |
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149 | * Issue an operation of \p operation_type to the I2C device then stops. |
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150 | * |
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151 | * @param dev Device descriptor |
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152 | * @param operation_type Operation type |
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153 | * @return ESP_OK if device is available |
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154 | */ |
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155 | esp_err_t i2c_dev_probe(const i2c_dev_t *dev, i2c_dev_type_t operation_type); |
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156 | |
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157 | /** |
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158 | * @brief Read from slave device |
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159 | * |
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160 | * Issue a send operation of \p out_data register address, followed by reading \p in_size bytes |
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161 | * from slave into \p in_data . |
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162 | * Function is thread-safe. |
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163 | * |
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164 | * @param dev Device descriptor |
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165 | * @param out_data Pointer to data to send if non-null |
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166 | * @param out_size Size of data to send |
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167 | * @param[out] in_data Pointer to input data buffer |
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168 | * @param in_size Number of byte to read |
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169 | * @return ESP_OK on success |
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170 | */ |
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171 | esp_err_t i2c_dev_read(const i2c_dev_t *dev, const void *out_data, |
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172 | size_t out_size, void *in_data, size_t in_size); |
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173 | |
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174 | /** |
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175 | * @brief Write to slave device |
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176 | * |
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177 | * Write \p out_size bytes from \p out_data to slave into \p out_reg register address. |
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178 | * Function is thread-safe. |
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179 | * |
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180 | * @param dev Device descriptor |
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181 | * @param out_reg Pointer to register address to send if non-null |
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182 | * @param out_reg_size Size of register address |
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183 | * @param out_data Pointer to data to send |
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184 | * @param out_size Size of data to send |
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185 | * @return ESP_OK on success |
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186 | */ |
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187 | esp_err_t i2c_dev_write(const i2c_dev_t *dev, const void *out_reg, |
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188 | size_t out_reg_size, const void *out_data, size_t out_size); |
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189 | |
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190 | /** |
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191 | * @brief Read from register with an 8-bit address |
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192 | * |
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193 | * Shortcut to ::i2c_dev_read(). |
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194 | * |
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195 | * @param dev Device descriptor |
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196 | * @param reg Register address |
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197 | * @param[out] in_data Pointer to input data buffer |
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198 | * @param in_size Number of byte to read |
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199 | * @return ESP_OK on success |
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200 | */ |
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201 | esp_err_t i2c_dev_read_reg(const i2c_dev_t *dev, uint8_t reg, |
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202 | void *in_data, size_t in_size); |
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203 | |
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204 | /** |
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205 | * @brief Write to register with an 8-bit address |
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206 | * |
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207 | * Shortcut to ::i2c_dev_write(). |
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208 | * |
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209 | * @param dev Device descriptor |
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210 | * @param reg Register address |
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211 | * @param out_data Pointer to data to send |
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212 | * @param out_size Size of data to send |
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213 | * @return ESP_OK on success |
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214 | */ |
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215 | esp_err_t i2c_dev_write_reg(const i2c_dev_t *dev, uint8_t reg, |
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216 | const void *out_data, size_t out_size); |
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217 | |
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218 | #define I2C_DEV_TAKE_MUTEX(dev) do { \ |
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219 | esp_err_t __ = i2c_dev_take_mutex(dev); \ |
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220 | if (__ != ESP_OK) return __;\ |
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221 | } while (0) |
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222 | |
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223 | #define I2C_DEV_GIVE_MUTEX(dev) do { \ |
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224 | esp_err_t __ = i2c_dev_give_mutex(dev); \ |
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225 | if (__ != ESP_OK) return __;\ |
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226 | } while (0) |
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227 | |
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228 | #define I2C_DEV_CHECK(dev, X) do { \ |
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229 | esp_err_t ___ = X; \ |
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230 | if (___ != ESP_OK) { \ |
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231 | I2C_DEV_GIVE_MUTEX(dev); \ |
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232 | return ___; \ |
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233 | } \ |
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234 | } while (0) |
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235 | |
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236 | #define I2C_DEV_CHECK_LOGE(dev, X, msg, ...) do { \ |
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237 | esp_err_t ___ = X; \ |
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238 | if (___ != ESP_OK) { \ |
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239 | I2C_DEV_GIVE_MUTEX(dev); \ |
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240 | ESP_LOGE(TAG, msg, ## __VA_ARGS__); \ |
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241 | return ___; \ |
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242 | } \ |
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243 | } while (0) |
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244 | |
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245 | #ifdef __cplusplus |
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246 | } |
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247 | #endif |
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248 | |
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249 | /**@}*/ |
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250 | |
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251 | #endif /* __I2CDEV_H__ */ |