Airpressure sensor(BOSH BMP280) driver for TZ10xx. [詳解]

#include <stdint.h>
#include <stdbool.h>
#include "Driver_I2C.h"

マクロ定義
#define	BMP280_I2C_ADDR (0x76)

BMP280 register addresses
#define	BMP280_REG_CALIB00 (0x88)

#define	BMP280_REG_CALIB25 (0xa1)

#define	BMP280_REG_ID (0xd0)

#define	BMP280_REG_RESET (0xe0)

#define	BMP280_REG_STATUS (0xf3)

#define	BMP280_REG_CTRL_MEAS (0xf4)

#define	BMP280_REG_CONFIG (0xf5)

#define	BMP280_REG_PRESS_MSB (0xf7)

#define	BMP280_REG_PRESS_LSB (0xf8)

#define	BMP280_REG_PRESS_XLSB (0xf9)

#define	BMP280_REG_TEMP_MSB (0xfa)

#define	BMP280_REG_TEMP_LSB (0xfb)

#define	BMP280_REG_TEMP_XLSB (0xfc)

BMP280 register bit pattern
#define	BMP280_BIT_RESET (0xb6)

関数
bool	BMP280_drv_reset (void)
	Reset BMP280. [詳解]

uint8_t	BMP280_drv_id_get (void)
	Read from ID register. [詳解]

uint8_t	BMP280_drv_status_get (void)
	Read from STATUS register. [詳解]

bool	BMP280_drv_ctrl_meas_set (uint8_t val)
	Write to MEAS register. [詳解]

uint8_t	BMP280_drv_ctrl_meas_get (void)
	Read from MEAS register. [詳解]

bool	BMP280_drv_config_set (uint8_t val)
	Write to CONFIG register. [詳解]

uint8_t	BMP280_drv_config_get (void)
	Read from CONFIG register. [詳解]

uint32_t	BMP280_drv_press_get (void)
	Read from maesured value of Airpressure. [詳解]

int32_t	BMP280_drv_temp_get (void)
	Read from maesured value of temperature. [詳解]

bool	BMP280_drv_init (ARM_DRIVER_I2C *i2c_drv)
	Initialize BMP280 driver. [詳解]

詳解

Airpressure sensor(BOSH BMP280) driver for TZ10xx.

著者: Cerevo Inc.

マクロ定義詳解

#define BMP280_BIT_RESET (0xb6)

Reset

#define BMP280_I2C_ADDR (0x76)

I2C address.

#define BMP280_REG_CALIB00 (0x88)

CALIB00 register

#define BMP280_REG_CALIB25 (0xa1)

CALIB25 register

#define BMP280_REG_CONFIG (0xf5)

CONFIG register

#define BMP280_REG_CTRL_MEAS (0xf4)

CTRL_MEAS register

#define BMP280_REG_ID (0xd0)

ID register

#define BMP280_REG_PRESS_LSB (0xf8)

PRESS_LSB register

#define BMP280_REG_PRESS_MSB (0xf7)

PRESS_MSB register

#define BMP280_REG_PRESS_XLSB (0xf9)

PRESS_XLSB register

#define BMP280_REG_RESET (0xe0)

RESET register

#define BMP280_REG_STATUS (0xf3)

STATUS register

#define BMP280_REG_TEMP_LSB (0xfb)

TEMP_LSB register

#define BMP280_REG_TEMP_MSB (0xfa)

TEMP_MSB register

#define BMP280_REG_TEMP_XLSB (0xfc)

TEMP_XLSB register

関数詳解

uint8_t BMP280_drv_config_get ( void )

Read from CONFIG register.

戻り値: Read value.

bool BMP280_drv_config_set ( uint8_t val )

Write to CONFIG register.

引数

[in] val Write value;

戻り値: Write result.

戻り値

true	Success.
false	Failed.

uint8_t BMP280_drv_ctrl_meas_get ( void )

Read from MEAS register.

戻り値: read value.

bool BMP280_drv_ctrl_meas_set ( uint8_t val )

Write to MEAS register.

引数

[in] val Write value;

戻り値: Write result.

戻り値

true	Success.
false	Failed.

uint8_t BMP280_drv_id_get ( void )

Read from ID register.

戻り値: read value.

bool BMP280_drv_init ( ARM_DRIVER_I2C * i2c_drv )

Initialize BMP280 driver.

引数

[in] i2c_drv TZ10xx I2C driver information

戻り値: Initialize result.

戻り値

true	Success.
false	Failed.

uint32_t BMP280_drv_press_get ( void )

Read from maesured value of Airpressure.

戻り値: Read value.

bool BMP280_drv_reset ( void )

Reset BMP280.

戻り値: Result

戻り値

true	Success
false	Failed

uint8_t BMP280_drv_status_get ( void )

Read from STATUS register.

戻り値: read value.

int32_t BMP280_drv_temp_get ( void )

Read from maesured value of temperature.

戻り値: Read value.