Mon, 17 Apr 2023 14:54:35 +0200
Added basic BLE code.
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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changeset
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2 | * @file sgp40.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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3 | * @defgroup sgp40 sgp40 |
1c9894662795
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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 | * |
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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6 | * ESP-IDF driver for SGP40 Indoor Air Quality Sensor for VOC Measurements |
1c9894662795
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Michiel Broek <mbroek@mbse.eu>
parents:
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7 | * |
1c9894662795
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Michiel Broek <mbroek@mbse.eu>
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8 | * Copyright (c) 2020 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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9 | * |
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 | * 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>
parents:
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11 | */ |
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 | #ifndef __SGP40_H__ |
1c9894662795
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13 | #define __SGP40_H__ |
1c9894662795
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14 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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15 | #include <stdbool.h> |
1c9894662795
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16 | #include <time.h> |
1c9894662795
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17 | #include <i2cdev.h> |
1c9894662795
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18 | #include <esp_err.h> |
1c9894662795
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19 | #include "sensirion_voc_algorithm.h" |
1c9894662795
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20 | |
1c9894662795
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21 | #ifdef __cplusplus |
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22 | extern "C" { |
1c9894662795
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23 | #endif |
1c9894662795
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24 | |
1c9894662795
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25 | #define SGP40_ADDR 0x59 //!< I2C address |
1c9894662795
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Michiel Broek <mbroek@mbse.eu>
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26 | |
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 | * Device descriptor |
1c9894662795
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29 | */ |
1c9894662795
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30 | typedef struct |
1c9894662795
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31 | { |
1c9894662795
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32 | i2c_dev_t i2c_dev; |
1c9894662795
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33 | uint16_t serial[3]; |
1c9894662795
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34 | uint16_t featureset; |
1c9894662795
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35 | VocAlgorithmParams voc; |
1c9894662795
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36 | } sgp40_t; |
1c9894662795
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Michiel Broek <mbroek@mbse.eu>
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37 | |
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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38 | /** |
1c9894662795
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39 | * @brief Initialize device descriptor |
1c9894662795
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40 | * |
1c9894662795
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41 | * @param dev Device descriptor |
1c9894662795
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42 | * @param port I2C port |
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43 | * @param sda_gpio SDA GPIO |
1c9894662795
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44 | * @param scl_gpio SCL GPIO |
1c9894662795
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45 | * @return `ESP_OK` on success |
1c9894662795
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46 | */ |
1c9894662795
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47 | esp_err_t sgp40_init_desc(sgp40_t *dev, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio); |
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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48 | |
1c9894662795
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49 | /** |
1c9894662795
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50 | * @brief Free device descriptor |
1c9894662795
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51 | * |
1c9894662795
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52 | * @param dev Device descriptor |
1c9894662795
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53 | * @return `ESP_OK` on success |
1c9894662795
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54 | */ |
1c9894662795
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55 | esp_err_t sgp40_free_desc(sgp40_t *dev); |
1c9894662795
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56 | |
1c9894662795
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57 | /** |
1c9894662795
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58 | * @brief Read device information, initialize the VOC algorithm |
1c9894662795
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59 | * |
1c9894662795
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60 | * @param dev Device descriptor |
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61 | * @return `ESP_OK` on success |
1c9894662795
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62 | */ |
1c9894662795
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63 | esp_err_t sgp40_init(sgp40_t *dev); |
1c9894662795
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64 | |
1c9894662795
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65 | /** |
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66 | * @brief Reset device, than put it to idle mode |
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67 | * |
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68 | * @param dev Device descriptor |
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69 | * @return `ESP_OK` on success |
1c9894662795
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70 | */ |
1c9894662795
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71 | esp_err_t sgp40_soft_reset(sgp40_t *dev); |
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72 | |
1c9894662795
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73 | /** |
1c9894662795
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74 | * @brief Perform a self-test |
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75 | * |
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76 | * @param dev Device descriptor |
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77 | * @return `ESP_OK` on success |
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78 | */ |
1c9894662795
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79 | esp_err_t sgp40_self_test(sgp40_t *dev); |
1c9894662795
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80 | |
1c9894662795
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81 | /** |
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82 | * @brief Turn hotplate off, stop measurement and put device to idle mode |
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83 | * |
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84 | * @param dev Device descriptor |
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85 | * @return `ESP_OK` on success |
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86 | */ |
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87 | esp_err_t sgp40_heater_off(sgp40_t *dev); |
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88 | |
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89 | /** |
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90 | * @brief Perform a measurement |
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91 | * |
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92 | * @param dev Device descriptor |
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93 | * @param humidity Relative humidity, percents. Use NaN if |
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94 | * you want uncompensated measurement |
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95 | * @param temperature Temperature, degrees Celsius. Use NaN if |
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96 | * you want uncompensated measurement |
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97 | * @param[out] raw Raw value, proportional to the logarithm |
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98 | * of the resistance of the sensing element |
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99 | * @return `ESP_OK` on success |
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100 | */ |
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101 | esp_err_t sgp40_measure_raw(sgp40_t *dev, float humidity, float temperature, uint16_t *raw); |
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102 | |
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103 | /** |
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104 | * @brief Perform a measurement and update VOC index |
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105 | * |
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106 | * @param dev Device descriptor |
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107 | * @param humidity Relative humidity, percents. Use NaN if |
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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108 | * you want uncompensated measurement |
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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109 | * @param temperature Temperature, degrees Celsius. Use NaN if |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
110 | * you want uncompensated measurement |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
111 | * @param[out] voc_index Calculated VOC index |
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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112 | * @return |
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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113 | */ |
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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114 | esp_err_t sgp40_measure_voc(sgp40_t *dev, float humidity, float temperature, int32_t *voc_index); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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115 | |
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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116 | #ifdef __cplusplus |
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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117 | } |
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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118 | #endif |
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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119 | |
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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120 | /**@}*/ |
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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121 | |
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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122 | #endif /* __SGP40_H__ */ |