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) 2022 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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3 | * |
1c9894662795
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4 | * Redistribution and use in source and binary forms, with or without |
1c9894662795
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5 | * modification, are permitted provided that the following conditions are met: |
1c9894662795
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6 | * |
1c9894662795
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7 | * 1. Redistributions of source code must retain the above copyright notice, |
1c9894662795
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8 | * this list of conditions and the following disclaimer. |
1c9894662795
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9 | * 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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10 | * this list of conditions and the following disclaimer in the documentation |
1c9894662795
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11 | * and/or other materials provided with the distribution. |
1c9894662795
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12 | * 3. Neither the name of the copyright holder nor the names of itscontributors |
1c9894662795
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13 | * may be used to endorse or promote products derived from this software without |
1c9894662795
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14 | * specific prior written permission. |
1c9894662795
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15 | * |
1c9894662795
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
1c9894662795
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
1c9894662795
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19 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
1c9894662795
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20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
1c9894662795
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21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
1c9894662795
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22 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
1c9894662795
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23 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
1c9894662795
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24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
1c9894662795
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25 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
1c9894662795
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26 | */ |
1c9894662795
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27 | |
1c9894662795
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28 | /** |
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29 | * @file sts21.h |
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30 | * @defgroup sts21 sts21 |
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31 | * @{ |
1c9894662795
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32 | * |
1c9894662795
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33 | * ESP-IDF driver for humidty/temperature sensors sts2110/sts2115/sts2120 |
1c9894662795
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34 | * |
1c9894662795
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35 | * Copyright (c) 2021 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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36 | * |
1c9894662795
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37 | * BSD Licensed as described in the file LICENSE |
1c9894662795
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38 | */ |
1c9894662795
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39 | #ifndef __sts21_H__ |
1c9894662795
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40 | #define __sts21_H__ |
1c9894662795
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41 | |
1c9894662795
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42 | #include <i2cdev.h> |
1c9894662795
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43 | #include <stdbool.h> |
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44 | |
1c9894662795
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45 | #ifdef __cplusplus |
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46 | extern "C" { |
1c9894662795
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47 | #endif |
1c9894662795
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48 | |
1c9894662795
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49 | /** |
1c9894662795
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50 | * Measurement resolutions |
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51 | */ |
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52 | typedef enum { |
1c9894662795
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53 | STS21_RESOLUTION_14 = 0, /**< 14 bits, <= 85 ms, default */ |
1c9894662795
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54 | STS21_RESOLUTION_13, /**< 13 bits, <= 43 ms */ |
1c9894662795
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55 | STS21_RESOLUTION_12, /**< 12 bits, <= 22 ms */ |
1c9894662795
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56 | STS21_RESOLUTION_11, /**< 11 bits, <= 11 ms */ |
1c9894662795
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57 | } sts21_resolution_t; |
1c9894662795
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58 | |
1c9894662795
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59 | /** |
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60 | * Device descriptor |
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61 | */ |
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62 | typedef struct |
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63 | { |
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64 | i2c_dev_t i2c_dev; |
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65 | sts21_resolution_t resolution; |
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66 | } sts21_t; |
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67 | |
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68 | /** |
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69 | * @brief Initialize device descriptor |
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70 | * |
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71 | * @param dev Device descriptor |
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72 | * @param port I2C port |
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73 | * @param sda_gpio SDA GPIO |
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74 | * @param scl_gpio SCL GPIO |
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75 | * @return `ESP_OK` on success |
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76 | */ |
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77 | esp_err_t sts21_init_desc(sts21_t *dev, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio); |
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78 | |
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79 | /** |
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80 | * @brief Free device descriptor |
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81 | * |
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82 | * @param dev Device descriptor |
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83 | * @return `ESP_OK` on success |
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84 | */ |
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85 | esp_err_t sts21_free_desc(sts21_t *dev); |
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86 | |
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87 | /** |
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88 | * @brief Init device |
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89 | * |
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90 | * Perform soft-reset, set resolution to 14 bits, switch off the heater. |
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91 | * |
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92 | * @param dev Device descriptor |
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93 | * @return `ESP_OK` on success |
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94 | */ |
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95 | esp_err_t sts21_init(sts21_t *dev); |
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96 | |
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97 | /** |
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98 | * @brief Get measurement resolution |
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99 | * |
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100 | * @param dev Device descriptor |
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101 | * @param[out] res Measurement resolution |
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102 | * @return `ESP_OK` on success |
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103 | */ |
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104 | esp_err_t sts21_get_resolution(sts21_t *dev, sts21_resolution_t *res); |
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105 | |
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106 | /** |
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107 | * @brief Set measurement resolution |
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108 | * |
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109 | * @param dev Device descriptor |
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110 | * @param res Measurement resolution |
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111 | * @return `ESP_OK` on success |
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112 | */ |
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113 | esp_err_t sts21_set_resolution(sts21_t *dev, sts21_resolution_t res); |
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114 | |
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115 | /** |
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116 | * @brief Get heater state |
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117 | * |
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118 | * @param dev Device descriptor |
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119 | * @param[out] on true when heater is on |
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120 | * @return `ESP_OK` on success |
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121 | */ |
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122 | esp_err_t sts21_get_heater_state(sts21_t *dev, bool *on); |
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123 | |
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124 | /** |
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125 | * @brief Switch heater on/off |
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126 | * |
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127 | * @param dev Device descriptor |
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128 | * @param on true to switch heater on |
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129 | * @return `ESP_OK` on success |
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130 | */ |
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131 | esp_err_t sts21_set_heater_state(sts21_t *dev, bool on); |
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132 | |
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133 | /** |
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134 | * @brief Get power state |
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135 | * |
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136 | * @param dev Device descriptor |
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137 | * @param[out] alert true when power voltage < 2.25V |
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138 | * @return `ESP_OK` on success |
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139 | */ |
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140 | esp_err_t sts21_get_power_alert(sts21_t *dev, bool *alert); |
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141 | |
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142 | /** |
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143 | * @brief Get measurement status |
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144 | * |
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145 | * @param dev Device descriptor |
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146 | * @param[out] busy true when device performs measurement |
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147 | * @return `ESP_OK` on success |
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148 | */ |
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149 | esp_err_t sts21_is_busy(sts21_t *dev, bool *busy); |
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150 | |
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151 | /** |
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152 | * @brief Trigger measurement |
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153 | * |
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154 | * Before reading the measurement result, you must wait a time depending |
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155 | * on the resolution or use ::sts21_is_busy() function |
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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 sts21_trigger_measurement(sts21_t *dev); |
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161 | |
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162 | /** |
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163 | * @brief Read measurement result |
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164 | * |
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165 | * @param dev Device descriptor |
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166 | * @param[out] t Temperature in degrees Celsius |
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167 | * @return `ESP_OK` on success |
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168 | */ |
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169 | esp_err_t sts21_read_temperature(sts21_t *dev, float *t); |
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170 | |
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171 | /** |
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172 | * @brief Measure temperature and read result |
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173 | * |
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174 | * The function combines function ::sts21_trigger_measurement() and function |
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175 | * ::sts21_read_temperature() to get the measurement results. |
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176 | * |
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177 | * @param dev Device descriptor |
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178 | * @param[out] t Temperature in degrees Celsius |
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179 | * @return `ESP_OK` on success |
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180 | */ |
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181 | esp_err_t sts21_measure(sts21_t *dev, float *t); |
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182 | |
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183 | #ifdef __cplusplus |
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184 | } |
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185 | #endif |
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186 | |
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187 | /**@}*/ |
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188 | |
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189 | #endif /* __sts21_H__ */ |