Thu, 06 Apr 2023 20:53:06 +0200
Set the new measured deep sleep current consumption. This is half of the Wemos D1 system.
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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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 | * |
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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5 | * Redistribution and use in source and binary forms, with or without |
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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6 | * 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.
Michiel Broek <mbroek@mbse.eu>
parents:
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7 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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8 | * 1. Redistributions of source code must retain the above copyright notice, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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9 | * 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.
Michiel Broek <mbroek@mbse.eu>
parents:
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10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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11 | * 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.
Michiel Broek <mbroek@mbse.eu>
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12 | * 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.
Michiel Broek <mbroek@mbse.eu>
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13 | * 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.
Michiel Broek <mbroek@mbse.eu>
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14 | * 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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15 | * specific prior written permission. |
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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16 | * |
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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17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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18 | * 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.
Michiel Broek <mbroek@mbse.eu>
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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20 | * 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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21 | * 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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22 | * 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.
Michiel Broek <mbroek@mbse.eu>
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23 | * 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.
Michiel Broek <mbroek@mbse.eu>
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24 | * 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.
Michiel Broek <mbroek@mbse.eu>
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25 | * 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.
Michiel Broek <mbroek@mbse.eu>
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26 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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27 | */ |
1c9894662795
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28 | |
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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29 | /** |
1c9894662795
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30 | * @file scd4x.c |
1c9894662795
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Michiel Broek <mbroek@mbse.eu>
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31 | * |
1c9894662795
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Michiel Broek <mbroek@mbse.eu>
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32 | * ESP-IDF driver for SCD4x CO2 sensor. |
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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33 | * |
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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34 | * Ported from https://github.com/Sensirion/raspberry-pi-i2c-scd4x |
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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35 | * |
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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36 | * 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>
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37 | * 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>
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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>
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39 | * BSD Licensed as described in the file LICENSE |
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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40 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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41 | #include <freertos/FreeRTOS.h> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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42 | #include <freertos/task.h> |
1c9894662795
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43 | #include <esp_log.h> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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44 | #include <ets_sys.h> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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45 | #include <esp_idf_lib_helpers.h> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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46 | #include "scd4x.h" |
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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47 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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48 | #define I2C_FREQ_HZ 100000 // 100kHz |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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49 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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50 | static const char *TAG = "scd4x"; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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51 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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52 | #define CMD_START_PERIODIC_MEASUREMENT (0x21B1) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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53 | #define CMD_READ_MEASUREMENT (0xEC05) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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54 | #define CMD_STOP_PERIODIC_MEASUREMENT (0x3F86) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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55 | #define CMD_SET_TEMPERATURE_OFFSET (0x241D) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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56 | #define CMD_GET_TEMPERATURE_OFFSET (0x2318) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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57 | #define CMD_SET_SENSOR_ALTITUDE (0x2427) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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58 | #define CMD_GET_SENSOR_ALTITUDE (0x2322) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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59 | #define CMD_SET_AMBIENT_PRESSURE (0xE000) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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60 | #define CMD_PERFORM_FORCED_RECALIBRATION (0x362F) |
1c9894662795
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61 | #define CMD_SET_AUTOMATIC_SELF_CALIBRATION_ENABLED (0x2416) |
1c9894662795
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62 | #define CMD_GET_AUTOMATIC_SELF_CALIBRATION_ENABLED (0x2313) |
1c9894662795
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63 | #define CMD_START_LOW_POWER_PERIODIC_MEASUREMENT (0x21AC) |
1c9894662795
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64 | #define CMD_GET_DATA_READY_STATUS (0xE4B8) |
1c9894662795
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65 | #define CMD_PERSIST_SETTINGS (0x3615) |
1c9894662795
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66 | #define CMD_GET_SERIAL_NUMBER (0x3682) |
1c9894662795
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67 | #define CMD_PERFORM_SELF_TEST (0x3639) |
1c9894662795
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68 | #define CMD_PERFORM_FACTORY_RESET (0x3632) |
1c9894662795
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69 | #define CMD_REINIT (0x3646) |
1c9894662795
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70 | #define CMD_MEASURE_SINGLE_SHOT (0x219D) |
1c9894662795
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71 | #define CMD_MEASURE_SINGLE_SHOT_RHT_ONLY (0x2196) |
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72 | #define CMD_POWER_DOWN (0x36E0) |
1c9894662795
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73 | #define CMD_WAKE_UP (0x36F6) |
1c9894662795
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74 | |
1c9894662795
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75 | #define CHECK(x) do { esp_err_t __; if ((__ = x) != ESP_OK) return __; } while (0) |
1c9894662795
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76 | #define CHECK_ARG(VAL) do { if (!(VAL)) return ESP_ERR_INVALID_ARG; } while (0) |
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77 | |
1c9894662795
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78 | static uint8_t crc8(const uint8_t *data, size_t count) |
1c9894662795
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79 | { |
1c9894662795
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80 | uint8_t res = 0xff; |
1c9894662795
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81 | |
1c9894662795
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82 | for (size_t i = 0; i < count; ++i) |
1c9894662795
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83 | { |
1c9894662795
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84 | res ^= data[i]; |
1c9894662795
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85 | for (uint8_t bit = 8; bit > 0; --bit) |
1c9894662795
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86 | { |
1c9894662795
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87 | if (res & 0x80) |
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88 | res = (res << 1) ^ 0x31; |
1c9894662795
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89 | else |
1c9894662795
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90 | res = (res << 1); |
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91 | } |
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92 | } |
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93 | return res; |
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94 | } |
1c9894662795
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95 | |
1c9894662795
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96 | static inline uint16_t swap(uint16_t v) |
1c9894662795
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97 | { |
1c9894662795
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98 | return (v << 8) | (v >> 8); |
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99 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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100 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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101 | static esp_err_t send_cmd(i2c_dev_t *dev, uint16_t cmd, uint16_t *data, size_t words) |
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102 | { |
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103 | uint8_t buf[2 + words * 3]; |
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104 | // add command |
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105 | *(uint16_t *)buf = swap(cmd); |
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106 | if (data && words) |
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107 | // add arguments |
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108 | for (size_t i = 0; i < words; i++) |
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109 | { |
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110 | uint8_t *p = buf + 2 + i * 3; |
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111 | *(uint16_t *)p = swap(data[i]); |
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112 | *(p + 2) = crc8(p, 2); |
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113 | } |
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114 | |
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115 | ESP_LOGV(TAG, "Sending buffer:"); |
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116 | ESP_LOG_BUFFER_HEX_LEVEL(TAG, buf, sizeof(buf), ESP_LOG_VERBOSE); |
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117 | |
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118 | return i2c_dev_write(dev, NULL, 0, buf, sizeof(buf)); |
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119 | } |
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120 | |
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121 | static esp_err_t read_resp(i2c_dev_t *dev, uint16_t *data, size_t words) |
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122 | { |
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123 | uint8_t buf[words * 3]; |
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124 | CHECK(i2c_dev_read(dev, NULL, 0, buf, sizeof(buf))); |
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125 | |
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126 | ESP_LOGV(TAG, "Received buffer:"); |
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127 | ESP_LOG_BUFFER_HEX_LEVEL(TAG, buf, sizeof(buf), ESP_LOG_VERBOSE); |
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128 | |
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129 | for (size_t i = 0; i < words; i++) |
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130 | { |
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131 | uint8_t *p = buf + i * 3; |
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132 | uint8_t crc = crc8(p, 2); |
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133 | if (crc != *(p + 2)) |
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134 | { |
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135 | ESP_LOGE(TAG, "Invalid CRC 0x%02x, expected 0x%02x", crc, *(p + 2)); |
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136 | return ESP_ERR_INVALID_CRC; |
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137 | } |
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138 | data[i] = swap(*(uint16_t *)p); |
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139 | } |
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140 | return ESP_OK; |
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141 | } |
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142 | |
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143 | static esp_err_t execute_cmd(i2c_dev_t *dev, uint16_t cmd, uint32_t timeout_ms, |
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144 | uint16_t *out_data, size_t out_words, uint16_t *in_data, size_t in_words) |
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145 | { |
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146 | CHECK_ARG(dev); |
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147 | |
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148 | I2C_DEV_TAKE_MUTEX(dev); |
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149 | I2C_DEV_CHECK(dev, send_cmd(dev, cmd, out_data, out_words)); |
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150 | if (timeout_ms) |
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151 | { |
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152 | if (timeout_ms > 10) |
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153 | vTaskDelay(pdMS_TO_TICKS(timeout_ms)); |
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154 | else |
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155 | ets_delay_us(timeout_ms * 1000); |
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156 | } |
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157 | if (in_data && in_words) |
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158 | I2C_DEV_CHECK(dev, read_resp(dev, in_data, in_words)); |
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159 | I2C_DEV_GIVE_MUTEX(dev); |
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160 | |
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161 | return ESP_OK; |
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162 | } |
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163 | |
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164 | /////////////////////////////////////////////////////////////////////////////// |
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165 | |
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166 | esp_err_t scd4x_init_desc(i2c_dev_t *dev, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio) |
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167 | { |
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168 | CHECK_ARG(dev); |
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169 | |
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170 | dev->port = port; |
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171 | dev->addr = SCD4X_I2C_ADDR; |
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172 | dev->cfg.sda_io_num = sda_gpio; |
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173 | dev->cfg.scl_io_num = scl_gpio; |
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174 | #if HELPER_TARGET_IS_ESP32 |
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175 | dev->cfg.master.clk_speed = I2C_FREQ_HZ; |
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176 | #endif |
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177 | |
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178 | return i2c_dev_create_mutex(dev); |
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179 | } |
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180 | |
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181 | esp_err_t scd4x_free_desc(i2c_dev_t *dev) |
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182 | { |
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183 | CHECK_ARG(dev); |
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184 | |
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185 | return i2c_dev_delete_mutex(dev); |
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186 | } |
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187 | |
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188 | esp_err_t scd4x_start_periodic_measurement(i2c_dev_t *dev) |
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189 | { |
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190 | return execute_cmd(dev, CMD_START_PERIODIC_MEASUREMENT, 1, NULL, 0, NULL, 0); |
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191 | } |
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192 | |
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193 | esp_err_t scd4x_read_measurement_ticks(i2c_dev_t *dev, uint16_t *co2, uint16_t *temperature, uint16_t *humidity) |
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194 | { |
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195 | CHECK_ARG(co2 || temperature || humidity); |
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196 | |
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197 | uint16_t buf[3]; |
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198 | CHECK(execute_cmd(dev, CMD_READ_MEASUREMENT, 1, NULL, 0, buf, 3)); |
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199 | if (co2) |
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200 | *co2 = buf[0]; |
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201 | if (temperature) |
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202 | *temperature = buf[1]; |
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203 | if (humidity) |
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204 | *humidity = buf[2]; |
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205 | |
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206 | return ESP_OK; |
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207 | } |
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208 | |
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209 | esp_err_t scd4x_read_measurement(i2c_dev_t *dev, uint16_t *co2, float *temperature, float *humidity) |
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210 | { |
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211 | CHECK_ARG(co2 || temperature || humidity); |
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212 | uint16_t t_raw, h_raw; |
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213 | |
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214 | CHECK(scd4x_read_measurement_ticks(dev, co2, &t_raw, &h_raw)); |
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215 | if (temperature) |
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216 | *temperature = (float)t_raw * 175.0f / 65536.0f - 45.0f; |
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217 | if (humidity) |
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218 | *humidity = (float)h_raw * 100.0f / 65536.0f; |
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219 | |
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220 | return ESP_OK; |
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221 | } |
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222 | |
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223 | esp_err_t scd4x_stop_periodic_measurement(i2c_dev_t *dev) |
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224 | { |
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225 | return execute_cmd(dev, CMD_STOP_PERIODIC_MEASUREMENT, 500, NULL, 0, NULL, 0); |
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226 | } |
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227 | |
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228 | esp_err_t scd4x_get_temperature_offset_ticks(i2c_dev_t *dev, uint16_t *t_offset) |
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229 | { |
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230 | CHECK_ARG(t_offset); |
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231 | |
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232 | return execute_cmd(dev, CMD_GET_TEMPERATURE_OFFSET, 1, NULL, 0, t_offset, 1); |
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233 | } |
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234 | |
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235 | esp_err_t scd4x_get_temperature_offset(i2c_dev_t *dev, float *t_offset) |
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236 | { |
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237 | CHECK_ARG(t_offset); |
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238 | uint16_t raw; |
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239 | |
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240 | CHECK(scd4x_get_temperature_offset_ticks(dev, &raw)); |
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241 | |
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242 | *t_offset = (float)raw * 175.0f / 65536.0f; |
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243 | |
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244 | return ESP_OK; |
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245 | } |
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246 | |
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247 | esp_err_t scd4x_set_temperature_offset_ticks(i2c_dev_t *dev, uint16_t t_offset) |
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248 | { |
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249 | return execute_cmd(dev, CMD_SET_TEMPERATURE_OFFSET, 1, &t_offset, 1, NULL, 0); |
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250 | } |
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251 | |
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252 | esp_err_t scd4x_set_temperature_offset(i2c_dev_t *dev, float t_offset) |
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253 | { |
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254 | uint16_t raw = (uint16_t)(t_offset * 65536.0f / 175.0f + 0.5f); |
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255 | return scd4x_set_temperature_offset_ticks(dev, raw); |
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256 | } |
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257 | |
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258 | esp_err_t scd4x_get_sensor_altitude(i2c_dev_t *dev, uint16_t *altitude) |
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259 | { |
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260 | CHECK_ARG(altitude); |
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261 | |
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262 | return execute_cmd(dev, CMD_GET_SENSOR_ALTITUDE, 1, NULL, 0, altitude, 1); |
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263 | } |
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264 | |
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265 | esp_err_t scd4x_set_sensor_altitude(i2c_dev_t *dev, uint16_t altitude) |
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266 | { |
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267 | return execute_cmd(dev, CMD_SET_SENSOR_ALTITUDE, 1, &altitude, 1, NULL, 0); |
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268 | } |
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269 | |
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270 | esp_err_t scd4x_set_ambient_ressure(i2c_dev_t *dev, uint16_t pressure) |
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271 | { |
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272 | return execute_cmd(dev, CMD_SET_AMBIENT_PRESSURE, 1, &pressure, 1, NULL, 0); |
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273 | } |
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274 | |
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275 | esp_err_t scd4x_perform_forced_recalibration(i2c_dev_t *dev, uint16_t target_co2_concentration, |
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276 | uint16_t *frc_correction) |
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277 | { |
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278 | CHECK_ARG(frc_correction); |
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279 | |
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280 | return execute_cmd(dev, CMD_PERFORM_FORCED_RECALIBRATION, 400, |
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281 | &target_co2_concentration, 1, frc_correction, 1); |
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282 | } |
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283 | |
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284 | esp_err_t scd4x_get_automatic_self_calibration(i2c_dev_t *dev, bool *enabled) |
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285 | { |
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286 | CHECK_ARG(enabled); |
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287 | |
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288 | return execute_cmd(dev, CMD_GET_AUTOMATIC_SELF_CALIBRATION_ENABLED, 1, NULL, 0, (uint16_t *)enabled, 1); |
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289 | } |
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290 | |
1c9894662795
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291 | esp_err_t scd4x_set_automatic_self_calibration(i2c_dev_t *dev, bool enabled) |
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292 | { |
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293 | return execute_cmd(dev, CMD_SET_AUTOMATIC_SELF_CALIBRATION_ENABLED, 1, (uint16_t *)&enabled, 1, NULL, 0); |
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294 | } |
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295 | |
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296 | esp_err_t scd4x_start_low_power_periodic_measurement(i2c_dev_t *dev) |
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297 | { |
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298 | return execute_cmd(dev, CMD_START_LOW_POWER_PERIODIC_MEASUREMENT, 0, NULL, 0, NULL, 0); |
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299 | } |
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300 | |
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301 | esp_err_t scd4x_get_data_ready_status(i2c_dev_t *dev, bool *data_ready) |
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302 | { |
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303 | CHECK_ARG(data_ready); |
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304 | |
1c9894662795
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305 | uint16_t status; |
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306 | CHECK(execute_cmd(dev, CMD_GET_DATA_READY_STATUS, 1, NULL, 0, &status, 1)); |
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307 | *data_ready = (status & 0x7ff) != 0; |
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308 | |
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309 | return ESP_OK; |
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310 | } |
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311 | |
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312 | esp_err_t scd4x_persist_settings(i2c_dev_t *dev) |
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313 | { |
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314 | return execute_cmd(dev, CMD_PERSIST_SETTINGS, 800, NULL, 0, NULL, 0); |
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315 | } |
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316 | |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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317 | esp_err_t scd4x_get_serial_number(i2c_dev_t *dev, uint16_t *serial0, uint16_t *serial1, uint16_t *serial2) |
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318 | { |
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319 | CHECK_ARG(serial0 && serial1 && serial2); |
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320 | |
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321 | uint16_t buf[3]; |
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322 | CHECK(execute_cmd(dev, CMD_GET_SERIAL_NUMBER, 1, NULL, 0, buf, 3)); |
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323 | *serial0 = buf[0]; |
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324 | *serial1 = buf[1]; |
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325 | *serial2 = buf[2]; |
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326 | |
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327 | return ESP_OK; |
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328 | } |
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329 | |
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330 | esp_err_t scd4x_perform_self_test(i2c_dev_t *dev, bool *malfunction) |
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331 | { |
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332 | CHECK_ARG(malfunction); |
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333 | |
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334 | return execute_cmd(dev, CMD_PERFORM_SELF_TEST, 10000, NULL, 0, (uint16_t *)malfunction, 1); |
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335 | } |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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336 | |
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337 | esp_err_t scd4x_perform_factory_reset(i2c_dev_t *dev) |
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338 | { |
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339 | return execute_cmd(dev, CMD_PERFORM_FACTORY_RESET, 800, NULL, 0, NULL, 0); |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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340 | } |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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341 | |
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342 | esp_err_t scd4x_reinit(i2c_dev_t *dev) |
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343 | { |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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344 | return execute_cmd(dev, CMD_REINIT, 20, NULL, 0, NULL, 0); |
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345 | } |
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346 | |
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347 | esp_err_t scd4x_measure_single_shot(i2c_dev_t *dev) |
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348 | { |
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349 | return execute_cmd(dev, CMD_MEASURE_SINGLE_SHOT, 5000, NULL, 0, NULL, 0); |
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350 | } |
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351 | |
1c9894662795
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352 | esp_err_t scd4x_measure_single_shot_rht_only(i2c_dev_t *dev) |
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353 | { |
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354 | return execute_cmd(dev, CMD_MEASURE_SINGLE_SHOT_RHT_ONLY, 50, NULL, 0, NULL, 0); |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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355 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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356 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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357 | esp_err_t scd4x_power_down(i2c_dev_t *dev) |
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358 | { |
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359 | return execute_cmd(dev, CMD_POWER_DOWN, 1, NULL, 0, NULL, 0); |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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360 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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361 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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362 | esp_err_t scd4x_wake_up(i2c_dev_t *dev) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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363 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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364 | return execute_cmd(dev, CMD_WAKE_UP, 20, NULL, 0, NULL, 0); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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365 | } |