-
Notifications
You must be signed in to change notification settings - Fork 45
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
5 changed files
with
146 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
131 changes: 131 additions & 0 deletions
131
src/components/i2c/drivers/WipperSnapper_I2C_Driver_BMP388.h
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| /*! | ||
| * @file WipperSnapper_I2C_Driver_BMP388.h | ||
| * | ||
| * Device driver for an AHT Humidity and Temperature 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. | ||
| * | ||
| */ | ||
|
|
||
| #ifndef WipperSnapper_I2C_Driver_BMP388_H | ||
| #define WipperSnapper_I2C_Driver_BMP388_H | ||
|
|
||
| #include "WipperSnapper_I2C_Driver.h" | ||
| #include <Adafruit_BMP3XX.h> | ||
|
|
||
| #define SEALEVELPRESSURE_HPA (1013.25) ///< Default sea level pressure, in hPa | ||
|
|
||
| /**************************************************************************/ | ||
| /*! | ||
| @brief Class that provides a sensor driver for the BMP388 temperature | ||
| and pressure sensor. | ||
| */ | ||
| /**************************************************************************/ | ||
| class WipperSnapper_I2C_Driver_BMP388 : public WipperSnapper_I2C_Driver { | ||
|
|
||
| public: | ||
| /*******************************************************************************/ | ||
| /*! | ||
| @brief Constructor for an BMP388 sensor. | ||
| @param i2c | ||
| The I2C interface. | ||
| @param sensorAddress | ||
| 7-bit device address. | ||
| */ | ||
| /*******************************************************************************/ | ||
| WipperSnapper_I2C_Driver_BMP388(TwoWire *i2c, uint16_t sensorAddress) | ||
| : WipperSnapper_I2C_Driver(i2c, sensorAddress) { | ||
| _i2c = i2c; | ||
| _sensorAddress = sensorAddress; | ||
| } | ||
|
|
||
| /*******************************************************************************/ | ||
| /*! | ||
| @brief Destructor for an BMP388 sensor. | ||
| */ | ||
| /*******************************************************************************/ | ||
| ~WipperSnapper_I2C_Driver_BMP388() { delete _bmp; } | ||
|
|
||
| /*******************************************************************************/ | ||
| /*! | ||
| @brief Initializes the BMP388 sensor and begins I2C. | ||
| @returns True if initialized successfully, False otherwise. | ||
| */ | ||
| /*******************************************************************************/ | ||
| bool begin() { | ||
| _bmp = new Adafruit_BMP3XX(); | ||
| // attempt to initialize BMP388 | ||
| if (!_bmp->begin_I2C(_sensorAddress, _i2c)) | ||
| return false; | ||
|
|
||
| // Set up oversampling and filter initialization | ||
| _bmp->setTemperatureOversampling(BMP3_OVERSAMPLING_8X); | ||
| _bmp->setPressureOversampling(BMP3_OVERSAMPLING_4X); | ||
| _bmp->setIIRFilterCoeff(BMP3_IIR_FILTER_COEFF_3); | ||
| _bmp->setOutputDataRate(BMP3_ODR_50_HZ); | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| /*******************************************************************************/ | ||
| /*! | ||
| @brief Gets the BMP388's current temperature. | ||
| @param tempEvent | ||
| Pointer to an Adafruit_Sensor event. | ||
| @returns True if the temperature was obtained successfully, False | ||
| otherwise. | ||
| */ | ||
| /*******************************************************************************/ | ||
| bool getEventAmbientTemp(sensors_event_t *tempEvent) { | ||
| if(!_bmp->performReading()) | ||
| return false; | ||
| tempEvent->temperature = _bmp->temperature; | ||
| return true; | ||
| } | ||
|
|
||
| /*******************************************************************************/ | ||
| /*! | ||
| @brief Reads a pressure sensor and converts | ||
| the reading into the expected SI unit. | ||
| @param pressureEvent | ||
| Pointer to an Adafruit_Sensor event. | ||
| @returns True if the sensor event was obtained successfully, False | ||
| otherwise. | ||
| */ | ||
| /*******************************************************************************/ | ||
| bool getEventPressure(sensors_event_t *pressureEvent) { | ||
| if(!_bmp->performReading()) | ||
| return false; | ||
| pressureEvent->pressure = _bmp->pressure / 100.0F; | ||
| return true; | ||
| } | ||
|
|
||
| /*******************************************************************************/ | ||
| /*! | ||
| @brief Reads a the BMP388's altitude sensor into an event. | ||
| @param altitudeEvent | ||
| Pointer to an adafruit sensor event. | ||
| @returns True if the sensor event was obtained successfully, False | ||
| otherwise. | ||
| */ | ||
| /*******************************************************************************/ | ||
| bool getEventAltitude(sensors_event_t *altitudeEvent) { | ||
| if(!_bmp->performReading()) | ||
| return false; | ||
| // TODO: update once we add an altitude sensor type | ||
| // see https://github.com/adafruit/Adafruit_Sensor/issues/52 | ||
| altitudeEvent->data[0] = _bmp->readAltitude(SEALEVELPRESSURE_HPA); | ||
| return true; | ||
| } | ||
|
|
||
| protected: | ||
| Adafruit_BMP3XX *_bmp; ///< BMP388 object | ||
| }; | ||
|
|
||
| #endif // WipperSnapper_I2C_Driver_BMP388 |