matthias/wordclock
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added and integrated bmp280 temperature sensor

Browse Source
This commit is contained in:
Matthias
2024-03-24 16:30:26 +01:00
parent 9f63477aa3
commit e7dd0ea1f6
7 changed files with 188 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files
code/main/old/inc/bmp280.h
-168
View File
@@ -1,168 +0,0 @@
// --------------------------------------------------------------------------------------------------------------------
/// \file bme280.h
/// \brief File description
// --------------------------------------------------------------------------------------------------------------------
//
// vbchaos software design
//
// --------------------------------------------------------------------------------------------------------------------
/// $Revision: $
/// $Author: $
/// $Date: $
// (c) 2023 vbchaos
// --------------------------------------------------------------------------------------------------------------------
#ifndef MAIN_INC_BMP280_H_
#define MAIN_INC_BMP280_H_
/**
* bme280 implementation
* \defgroup bme280
* \brief {group_description}
* \addtogroup {Layer}
*
* Detailed description
* @{
*/
// --------------------------------------------------------------------------------------------------------------------
// Include files
// --------------------------------------------------------------------------------------------------------------------
// CompilerIncludes
// All include files that are provided by the compiler directly
// ProjectIncludes
// All include files that are provided by the project
#include "i2c.h"
// --------------------------------------------------------------------------------------------------------------------
// Constant and macro definitions
// --------------------------------------------------------------------------------------------------------------------
#define BMP280_DEVICE_ID ((uint8_t)0x58)
#define BMP280_RESET_VALUE ((uint8_t)0xB6)
// --------------------------------------------------------------------------------------------------------------------
// Type definitions.
// --------------------------------------------------------------------------------------------------------------------
// --------------------------------------------------------------------------------------------------------------------
// Function declarations
// --------------------------------------------------------------------------------------------------------------------
class BMP280
{
public:
BMP280(I2C* bus, uint8_t slaveAddress);
typedef enum
{
STANDBY = 0,
FORCED = 1,
NORMAL = 3
} BMP280_Mode_t;
typedef enum
{
SKIPPED = 0,
X1 = 1,
X2 = 2,
X4 = 3,
X8 = 4,
X16 = 5
} BMP280_Oversampling_t;
void resetSensor(void);
bool initialize(void);
bool setSensorMode(BMP280_Mode_t mode);
bool setSensorTemperatureOversampling(BMP280_Oversampling_t oversampling);
int getTemperature(void);
private:
struct CompensationParameters
{
// Temperature compensation parameters
uint16_t dig_T1;
int16_t dig_T2;
int16_t dig_T3;
// Pressure compensation parameters
uint16_t dig_P1;
int16_t dig_P2;
int16_t dig_P3;
int16_t dig_P4;
int16_t dig_P5;
int16_t dig_P6;
int16_t dig_P7;
int16_t dig_P8;
int16_t dig_P9;
} compensationParameters;
struct memorymap
{
struct
{
uint8_t msb;
uint8_t lsb;
uint8_t xlsb;
} temperature_raw;
struct
{
uint8_t msb;
uint8_t lsb;
uint8_t xlsb;
} pressure_raw;
struct
{
uint8_t t_sb: 3;
uint8_t filter: 3;
uint8_t unused: 1;
uint8_t spi3w_en: 1;
} config;
struct
{
uint8_t mode : 2;
uint8_t oversampling_pressure : 3;
uint8_t oversampling_temp : 3;
} ctrl_meas;
uint8_t status;
uint8_t reset;
uint8_t id;
} memorymap;
int t_fine;
int temperature;
I2C* bus;
uint8_t slaveAddress;
BMP280_Mode_t mode;
void resetDriver(void);
// Communication with Device
void resetDevice(void);
void getDeviceID(void);
void setSensorControlMeasurement(void);
void setSensorConfiguration(void);
void getCompensationValues(void);
void compensateTemperature(void);
void getPreasureValues(void);
void getTemperatureValues(void);
};
/** @} */
#endif /* MAIN_INC_BMP280_H_ */