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.
Michiel Broek <mbroek@mbse.eu>
parents:
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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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2 | * Copyright (c) 2021, Sensirion AG |
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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3 | * Copyright (c) 2021 Ruslan V. Uss <unclerus@gmail.com> |
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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4 | * Copyright (c) 2021 Nate Usher <n.usher87@gmail.com> |
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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5 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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6 | * Redistribution and use in source and binary forms, with or without |
1c9894662795
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7 | * modification, are permitted provided that the following conditions are met: |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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8 | * |
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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9 | * 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.
Michiel Broek <mbroek@mbse.eu>
parents:
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10 | * this list of conditions and the following disclaimer. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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12 | * this list of conditions and the following disclaimer in the documentation |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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13 | * and/or other materials provided with the distribution. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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14 | * 3. Neither the name of the copyright holder nor the names of itscontributors |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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15 | * may be used to endorse or promote products derived from this software without |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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16 | * specific prior written permission. |
1c9894662795
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17 | * |
1c9894662795
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
1c9894662795
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19 | * 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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20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
1c9894662795
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21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
1c9894662795
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28 | */ |
1c9894662795
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29 | |
1c9894662795
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30 | /** |
1c9894662795
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31 | * @file scd30.h |
1c9894662795
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32 | * @defgroup scd30 scd30 |
1c9894662795
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33 | * @{ |
1c9894662795
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34 | * |
1c9894662795
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35 | * ESP-IDF driver for Sensirion SCD30 CO2 sensor. |
1c9894662795
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36 | * |
1c9894662795
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37 | * Adapted from https://github.com/UncleRus/esp-idf-lib/tree/master/components/scd4x |
1c9894662795
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38 | * |
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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39 | * Copyright (c) 2021, Sensirion AG |
1c9894662795
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40 | * Copyright (c) 2021 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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41 | * Copyright (c) 2021 Nate Usher <n.usher87@gmail.com> |
1c9894662795
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42 | * |
1c9894662795
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43 | * BSD Licensed as described in the file LICENSE |
1c9894662795
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44 | */ |
1c9894662795
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45 | #ifndef __SCD30_H__ |
1c9894662795
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46 | #define __SCD30_H__ |
1c9894662795
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47 | |
1c9894662795
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48 | #include <i2cdev.h> |
1c9894662795
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49 | #include <esp_err.h> |
1c9894662795
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50 | #include <stdbool.h> |
1c9894662795
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51 | |
1c9894662795
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52 | #ifdef __cplusplus |
1c9894662795
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53 | extern "C" { |
1c9894662795
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54 | #endif |
1c9894662795
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55 | |
1c9894662795
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56 | #define SCD30_I2C_ADDR 0x61 |
1c9894662795
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57 | |
1c9894662795
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58 | /** |
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59 | * @brief Initialize device descriptor. |
1c9894662795
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60 | * |
1c9894662795
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61 | * @param dev Device descriptor |
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62 | * @param port I2C port |
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63 | * @param sda_gpio SDA GPIO |
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64 | * @param scl_gpio SCL GPIO |
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65 | * @return `ESP_OK` on success |
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66 | */ |
1c9894662795
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67 | esp_err_t scd30_init_desc(i2c_dev_t *dev, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio); |
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68 | |
1c9894662795
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69 | /** |
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70 | * @brief Free device descriptor. |
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71 | * |
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72 | * @param dev Device descriptor |
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73 | * @return `ESP_OK` on success |
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74 | */ |
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75 | esp_err_t scd30_free_desc(i2c_dev_t *dev); |
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76 | |
1c9894662795
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77 | /** |
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78 | * @brief Trigger continuous measurement. |
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79 | * |
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80 | * Signal update interval default is 2 seconds. |
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81 | * |
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82 | * @param dev Device descriptor |
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83 | * @param p_comp Optional ambient pressure compensation in mBar, 0 to deactivate |
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84 | * @return `ESP_OK` on success |
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85 | */ |
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86 | esp_err_t scd30_trigger_continuous_measurement(i2c_dev_t *dev, uint16_t p_comp); |
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87 | |
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88 | /** |
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89 | * @brief Stop continuous measurement. |
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90 | * |
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91 | * Stops the continuous measurement of the SCD30. |
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92 | * |
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93 | * @param dev Device descriptor |
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94 | * @return `ESP_OK` on success |
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95 | */ |
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96 | esp_err_t scd30_stop_continuous_measurement(i2c_dev_t *dev); |
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97 | |
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98 | /** |
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99 | * @brief Get measurement interval |
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100 | * |
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101 | * Gets the interval used bythe SCD30 sensor to measure in continuous measurement mode. |
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102 | * Saved in non-volatile memory. |
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103 | * |
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104 | * @param dev Device descriptor |
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105 | * @param interval_seconds Measurement interval in seconds |
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106 | * |
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107 | * @return `ESP_OK` on success |
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108 | */ |
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109 | esp_err_t scd30_get_measurement_interval(i2c_dev_t *dev, uint16_t *interval_seconds); |
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110 | |
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111 | /** |
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112 | * @brief Set measurement interval |
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113 | * |
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114 | * Sets the interval used bythe SCD30 sensor to measure in continuous measurement mode. |
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115 | * Saved in non-volatile memory. |
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116 | * |
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117 | * @param dev Device descriptor |
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118 | * @param interval_seconds Measurement interval in seconds |
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119 | * |
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120 | * @return `ESP_OK` on success |
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121 | */ |
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122 | esp_err_t scd30_set_measurement_interval(i2c_dev_t *dev, uint16_t interval_seconds); |
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123 | |
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124 | /** |
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125 | * @brief Check whether new measurement data is available for read-out. |
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126 | * |
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127 | * @param dev Device descriptor |
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128 | * @param data_ready true if data is ready, false otherwise |
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129 | * @return `ESP_OK` on success |
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130 | */ |
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131 | esp_err_t scd30_get_data_ready_status(i2c_dev_t *dev, bool *data_ready); |
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132 | |
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133 | /** |
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134 | * @brief Read sensor output and convert. |
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135 | * |
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136 | * When new measurement data is available it can be read out with the following command. |
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137 | * Make sure that the measurement is completed by calling scd30_get_data_ready_status() |
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138 | * |
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139 | * @param dev Device descriptor |
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140 | * @param co2 CO₂ concentration in ppm |
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141 | * @param temperature Temperature in degrees Celsius (°C) |
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142 | * @param humidity Relative humidity in percent RH |
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143 | * @return `ESP_OK` on success |
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144 | */ |
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145 | esp_err_t scd30_read_measurement(i2c_dev_t *dev, float *co2, float *temperature, float *humidity); |
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146 | |
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147 | /** |
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148 | * @brief Get automatic self calibration (ASC) state. |
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149 | * |
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150 | * By default, the ASC is disabled. |
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151 | * |
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152 | * @param dev Device descriptor. |
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153 | * @param enabled true if ASC is enabled, false otherwise |
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154 | * @return `ESP_OK` on success |
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155 | */ |
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156 | esp_err_t scd30_get_automatic_self_calibration(i2c_dev_t *dev, bool *enabled); |
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157 | |
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158 | /** |
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159 | * @brief Enable or disable automatic self calibration (ASC). |
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160 | * |
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161 | * By default, the ASC is disabled. |
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162 | * |
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163 | * @param dev Device descriptor. |
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164 | * @param enabled true to enable ASC, false to disable ASC |
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165 | * @return `ESP_OK` on success |
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166 | */ |
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167 | esp_err_t scd30_set_automatic_self_calibration(i2c_dev_t *dev, bool enabled); |
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168 | |
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169 | /** |
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170 | * @brief Get Forced Recalibration Value |
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171 | * |
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172 | * See scd_30_set_forced_recalibration_value. |
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173 | * |
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174 | * The most recently used reference value is retained in volatile memory and |
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175 | * can be read out with the command sequence given below. After repowering |
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176 | * the sensor, the command will return the standard reference value of 400 ppm. |
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177 | * |
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178 | * @param dev Device descriptor. |
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179 | * @param correction_value FRC correction value in CO₂ ppm |
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180 | * |
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181 | * @return `ESP_OK` on success |
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182 | */ |
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183 | esp_err_t scd30_get_forced_recalibration_value(i2c_dev_t *dev, |
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184 | uint16_t *correction_value); |
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185 | |
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186 | /** |
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187 | * @brief Set Forced Recalibration Value. |
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188 | * |
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189 | * Forced recalibration (FRC) is used to compensate for sensor drifts when a reference |
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190 | * value of the CO2 concentration in close proximity to the SCD30 is available. |
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191 | * For best results,the sensor has to be run in a stable environment in continuous |
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192 | * mode at a measurement rateof 2s for at least two minutes before applying the FRC |
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193 | * command and sending the reference value. Setting a reference CO2 concentration |
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194 | * by the method described here will always supersede corrections from the ASC |
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195 | * |
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196 | * Imposes a permanent update to the calibration curve which persists after repowering |
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197 | * the sensor. |
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198 | * @param dev Device descriptor. |
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199 | * @param target_co2_concentration Target CO₂ concentration in ppm. (400 <= val <= 2000) |
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200 | * |
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201 | * @return `ESP_OK` on success |
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202 | */ |
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203 | esp_err_t scd30_set_forced_recalibration_value(i2c_dev_t *dev, |
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204 | uint16_t target_co2_concentration); |
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205 | |
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206 | /** |
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207 | * @brief Get temperature offset in ticks. |
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208 | * |
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209 | * Get the current temperature offset value saved in non-volatile memory. |
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210 | * |
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211 | * @note Only available in idle mode. |
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212 | * |
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213 | * @param dev Device descriptor |
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214 | * @param t_offset Temperature offset. |
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215 | * Convert value to °C by: value * 100; |
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216 | * @return `ESP_OK` on success |
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217 | */ |
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218 | esp_err_t scd30_get_temperature_offset_ticks(i2c_dev_t *dev, uint16_t *t_offset); |
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219 | |
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220 | /** |
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221 | * @brief Get temperature offset in °C. |
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222 | * |
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223 | * See ::scd30_get_temperature_offset_ticks() for more details. |
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224 | * |
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225 | * @param dev Device descriptor |
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226 | * @param t_offset Temperature offset in degrees Celsius (°C) |
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227 | * @return `ESP_OK` on success |
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228 | */ |
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229 | esp_err_t scd30_get_temperature_offset(i2c_dev_t *dev, float *t_offset); |
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230 | |
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231 | /** |
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232 | * @brief Set temperature offset in ticks. |
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233 | * |
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234 | * Set the temperature offset value to be saved in non-volatile memory. |
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235 | * The last set value will be used for temperature offset compensation after repowering. |
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236 | * |
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237 | * @param dev Device descriptor |
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238 | * @param t_offset Temperature offset. |
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239 | * Convert °C to value by: T / 100; |
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240 | * @return `ESP_OK` on success |
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241 | */ |
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242 | esp_err_t scd30_set_temperature_offset_ticks(i2c_dev_t *dev, uint16_t t_offset); |
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243 | |
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244 | /** |
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245 | * @brief Set temperature offset in °C. |
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246 | * |
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247 | * See ::scd30_set_temperature_offset_ticks() for more details. |
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248 | * |
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249 | * @param dev Device descriptor |
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250 | * @param t_offset Temperature offset in degrees Celsius (°C) |
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251 | * @return `ESP_OK` on success |
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252 | */ |
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253 | esp_err_t scd30_set_temperature_offset(i2c_dev_t *dev, float t_offset); |
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254 | |
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255 | /** |
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256 | * @brief Get configured sensor altitude. |
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257 | * |
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258 | * Get configured sensor altitude in meters above sea level. Per default, the |
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259 | * sensor altitude is set to 0 meter above sea-level. |
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260 | * |
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261 | * @note Only available in idle mode. |
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262 | * |
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263 | * @param dev Device descriptor. |
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264 | * @param altitude Sensor altitude in meters. |
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265 | * @return `ESP_OK` on success |
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266 | */ |
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267 | esp_err_t scd30_get_sensor_altitude(i2c_dev_t *dev, uint16_t *altitude); |
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268 | |
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269 | /** |
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270 | * @brief Set sensor altitude in meters above sea level. |
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271 | * |
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272 | * Note that setting a sensor altitude to the sensor overrides any pressure |
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273 | * compensation based on a previously set ambient pressure. |
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274 | * |
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275 | * @param dev Device descriptor. |
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276 | * @param altitude Sensor altitude in meters. |
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277 | * @return `ESP_OK` on success |
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278 | */ |
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279 | esp_err_t scd30_set_sensor_altitude(i2c_dev_t *dev, uint16_t altitude); |
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280 | |
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281 | /** |
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282 | * @brief Get firmware version. |
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283 | * |
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284 | * Following command can be used to read out the firmware version of SCD30 module |
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285 | * The MSB is the major firmware version, the LSB is the minor firmware version |
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286 | * @param dev Device descriptor |
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287 | * @param firmware_version Firmware version |
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288 | * |
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289 | * @return `ESP_OK` on success |
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290 | */ |
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291 | esp_err_t scd30_read_firmware_version(i2c_dev_t *dev, uint16_t *firmware_version); |
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292 | |
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293 | /** |
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294 | * @brief Reset the sensor |
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295 | * |
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296 | * Soft reset mechanism that forces the sensor into the same state as after powering up |
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297 | * After soft reset the sensor will reload all calibrated data. |
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298 | * |
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299 | * @param dev Device descriptor |
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300 | * @return `ESP_OK` on success |
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301 | */ |
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302 | esp_err_t scd30_soft_reset(i2c_dev_t *dev); |
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303 | |
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304 | #ifdef __cplusplus |
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305 | } |
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306 | #endif |
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307 | |
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308 | /**@}*/ |
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309 | |
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310 | #endif /* __SCD3O_H__ */ |