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Merge pull request #491 from tyeth/add-ENS160
Initial ENS160 code
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src/components/i2c/drivers/WipperSnapper_I2C_Driver_ENS160.h
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| /*! | ||
| * @file WipperSnapper_I2C_Driver_ENS160.h | ||
| * | ||
| * Device driver for a ENS160 MOX Gas Sensor. | ||
| * | ||
| * Adafruit invests time and resources providing this open source code, | ||
| * please support Adafruit and open-source hardware by purchasing | ||
| * products from Adafruit! | ||
| * | ||
| * Copyright (c) Tyeth Gundry 2023 for Adafruit Industries. | ||
| * | ||
| * MIT license, all text here must be included in any redistribution. | ||
| * | ||
| */ | ||
|
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| #ifndef WipperSnapper_I2C_Driver_ENS160_H | ||
| #define WipperSnapper_I2C_Driver_ENS160_H | ||
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| #include "WipperSnapper_I2C_Driver.h" | ||
| #include <ScioSense_ENS160.h> | ||
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| #define SEALEVELPRESSURE_HPA (1013.25) ///< Default sea level pressure, in hPa | ||
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| /**************************************************************************/ | ||
| /*! | ||
| @brief Class that provides a sensor driver for the ENS160 temperature | ||
| and humidity sensor. | ||
| */ | ||
| /**************************************************************************/ | ||
| class WipperSnapper_I2C_Driver_ENS160 : public WipperSnapper_I2C_Driver { | ||
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| public: | ||
| /*******************************************************************************/ | ||
| /*! | ||
| @brief Constructor for an ENS160 sensor. | ||
| @param i2c | ||
| The I2C interface. | ||
| @param sensorAddress | ||
| 7-bit device address. | ||
| */ | ||
| /*******************************************************************************/ | ||
| WipperSnapper_I2C_Driver_ENS160(TwoWire *i2c, uint16_t sensorAddress) | ||
| : WipperSnapper_I2C_Driver(i2c, sensorAddress) { | ||
| _i2c = i2c; | ||
| _sensorAddress = sensorAddress; | ||
| } | ||
|
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| /*******************************************************************************/ | ||
| /*! | ||
| @brief Destructor for an ENS160 sensor. | ||
| */ | ||
| /*******************************************************************************/ | ||
| ~WipperSnapper_I2C_Driver_ENS160() { delete _ens160; } | ||
|
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| /*******************************************************************************/ | ||
| /*! | ||
| @brief Initializes the ENS160 sensor and begins I2C. | ||
| @returns True if initialized successfully, False otherwise. | ||
| */ | ||
| /*******************************************************************************/ | ||
| bool begin() { | ||
| _ens160 = new ScioSense_ENS160((TwoWire *)_i2c, (uint8_t)_sensorAddress); | ||
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| // attempt to initialize ENS160 | ||
| if (!_ens160->begin()) | ||
| return false; | ||
|
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| // Set the mode to standard | ||
| return _ens160->setMode(ENS160_OPMODE_STD); | ||
| } | ||
|
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| /*******************************************************************************/ | ||
| /*! | ||
| @brief Performs a reading in blocking mode. | ||
| @returns True if the reading succeeded, False otherwise. | ||
| */ | ||
| /*******************************************************************************/ | ||
| bool ensPerformReading() { | ||
| return _ens160->available() && _ens160->measure(true); | ||
| } | ||
|
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| /*******************************************************************************/ | ||
| /*! | ||
| @brief Reads the ENS160's eCO2 sensor into an event. | ||
| @param eco2Event | ||
| Pointer to an adafruit sensor event. | ||
| @returns True if the sensor event was obtained successfully, False | ||
| otherwise. | ||
| */ | ||
| /*******************************************************************************/ | ||
| bool getEventECO2(sensors_event_t *eco2Event) { | ||
| if (!ensPerformReading()) | ||
| return false; | ||
| eco2Event->eCO2 = (float)_ens160->geteCO2(); | ||
| return true; | ||
| } | ||
|
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| /*******************************************************************************/ | ||
| /*! | ||
| @brief Reads the ENS160's TVOC sensor into an event. | ||
| @param tvocEvent | ||
| Pointer to an adafruit sensor event. | ||
| @returns True if the sensor event was obtained successfully, False | ||
| otherwise. | ||
| */ | ||
| /*******************************************************************************/ | ||
| bool getEventTVOC(sensors_event_t *tvocEvent) { | ||
| if (!ensPerformReading()) | ||
| return false; | ||
| tvocEvent->tvoc = (float)_ens160->getTVOC(); | ||
| return true; | ||
| } | ||
|
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| /*******************************************************************************/ | ||
| /*! | ||
| @brief Reads the ENS160's AQI value into an event. | ||
| @param rawEvent | ||
| Pointer to an adafruit sensor event. | ||
| @returns True if the sensor event was obtained successfully, False | ||
| otherwise. | ||
| */ | ||
| /*******************************************************************************/ | ||
| bool getEventRaw(sensors_event_t *rawEvent) { | ||
| if (!ensPerformReading()) | ||
| return false; | ||
| rawEvent->data[0] = (float)_ens160->getAQI(); | ||
| return true; | ||
| } | ||
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| protected: | ||
| ScioSense_ENS160 *_ens160; ///< ENS160 object | ||
| }; | ||
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| #endif // WipperSnapper_I2C_Driver_ENS160 |