bmp280_driver-def.zip_BMP280

/***************************************************************************** * File : bmp280.h * Date : 2016/07/01 * Revision : 2.0.5( Pressure and Temperature compensation code revision is 1.1 ) * ****************************************************************************/ #ifndef __BMP280_H__ #define __BMP280_H__ #include "i2c_8051.h" /* Keil C51: Data Types Bits Bytes Value Range =================================================================== bit 1 0 to 1 signed char 8 1 -128 to +127 unsigned char 8 1 0 to 255 enum 8/16 1/2 -128 to +127 or -32768 to +32767 signed short 16 2 -32768 to +32767 unsigned short 16 2 0 to 65535 signed int 16 2 -32768 to +32767 unsigned int 16 2 0 to 65535 signed long 32 4 -2147483648 to +2147483647 unsigned long 32 4 0 to 4294967295 float 32 4 +/- 1.175494E-38 to +/- 3.402823E+38 sbit 1 0 or 1 sfr 8 1 0 to 255 sfr16 16 2 0 to 65535 */ // unsigned integer types typedef unsigned char u8; // used for unsigned 8 bit typedef unsigned short int u16; // used for unsigned 16 bit typedef unsigned long int u32; // used for unsigned 32 bit // signed integer types typedef signed char s8; // used for signed 8 bit typedef signed short int s16; // used for signed 16 bit typedef signed long int s32; // used for signed 32 bit #define BMP280_ADDR 0xEC #define BMP280_GET_BITSLICE( regvar, bitname )\ ( ( regvar & bitname##__MSK ) >> bitname##__POS ) #define BMP280_SET_BITSLICE( regvar, bitname, val )\ ( ( regvar & ~bitname##__MSK ) | ( ( val << bitname##__POS ) & bitname##__MSK ) ) // ************************************************************** // COMMON USED CONSTANTS // ************************************************************** // numeric definitions #define BMP280_CALIB_D_LEN ( 24 ) #define BMP280_TEMPER_D_LEN ( 3 ) #define BMP280_PRESS_D_LEN ( 3 ) // *********************************************** // CHIP ID DEFINITION // ********************************************** #define BMP280_CHIP_ID1 ( 0x56 ) #define BMP280_CHIP_ID2 ( 0x57 ) #define BMP280_CHIP_ID3 ( 0x58 ) // *********************************************** // POWER MODE DEFINITION // ********************************************** // Sensor Specific constants #define BMP280_SLEEP_MODE ( 0x00 ) #define BMP280_FORCED_MODE ( 0x01 ) #define BMP280_NORMAL_MODE ( 0x03 ) #define BMP280_SOFT_RESET_CODE ( 0xB6 ) // *********************************************** // STANDBY TIME DEFINITION // ********************************************** #define BMP280_STANDBY_TIME_1_MS ( 0x00 ) #define BMP280_STANDBY_TIME_63_MS ( 0x01 ) #define BMP280_STANDBY_TIME_125_MS ( 0x02 ) #define BMP280_STANDBY_TIME_250_MS ( 0x03 ) #define BMP280_STANDBY_TIME_500_MS ( 0x04 ) #define BMP280_STANDBY_TIME_1000_MS ( 0x05 ) #define BMP280_STANDBY_TIME_2000_MS ( 0x06 ) #define BMP280_STANDBY_TIME_4000_MS ( 0x07 ) // *********************************************** // OVERSAMPLING DEFINITION // ********************************************** #define BMP280_OVERSAMP_SKIPPED ( 0x00 ) #define BMP280_OVERSAMP_1X ( 0x01 ) #define BMP280_OVERSAMP_2X ( 0x02 ) #define BMP280_OVERSAMP_4X ( 0x03 ) #define BMP280_OVERSAMP_8X ( 0x04 ) #define BMP280_OVERSAMP_16X ( 0x05 ) // *********************************************** // WORKING MODE DEFINITION // ********************************************** #define BMP280_ULTRA_LOW_POWER_MODE ( 0x00 ) #define BMP280_LOW_POWER_MODE ( 0x01 ) #define BMP280_STANDARD_RESOLUTION_MODE ( 0x02 ) #define BMP280_HIGH_RESOLUTION_MODE ( 0x03 ) #define BMP280_ULTRA_HIGH_RESOLUTION_MODE ( 0x04 ) #define BMP280_ULTRALOWPOWER_OVERSAMP_PRESSURE BMP280_OVERSAMP_1X #define BMP280_ULTRALOWPOWER_OVERSAMP_TEMPER BMP280_OVERSAMP_1X #define BMP280_LOWPOWER_OVERSAMP_PRESSURE BMP280_OVERSAMP_2X #define BMP280_LOWPOWER_OVERSAMP_TEMPER BMP280_OVERSAMP_1X #define BMP280_STANDARDRESOLUTION_OVERSAMP_PRESSURE BMP280_OVERSAMP_4X #define BMP280_STANDARDRESOLUTION_OVERSAMP_TEMPER BMP280_OVERSAMP_1X #define BMP280_HIGHRESOLUTION_OVERSAMP_PRESSURE BMP280_OVERSAMP_8X #define BMP280_HIGHRESOLUTION_OVERSAMP_TEMPER BMP280_OVERSAMP_1X #define BMP280_ULTRAHIGHRESOLUTION_OVERSAMP_PRESSURE BMP280_OVERSAMP_16X #define BMP280_ULTRAHIGHRESOLUTION_OVERSAMP_TEMPER BMP280_OVERSAMP_2X // *********************************************** // FILTER DEFINITION // ********************************************** #define BMP280_FILTER_COEFF_OFF ( 0x00 ) #define BMP280_FILTER_COEFF_2 ( 0x01 ) #define BMP280_FILTER_COEFF_4 ( 0x02 ) #define BMP280_FILTER_COEFF_8 ( 0x03 ) #define BMP280_FILTER_COEFF_16 ( 0x04 ) // *********************************************** // DELAY TIME DEFINITION // ********************************************** #define T_INIT_MAX ( 20 ) // 20/16 = 1.25 ms #define T_MEASURE_PER_OSRS_MAX ( 37 ) // 37/16 = 2.3125 ms #define T_SETUP_PRESSURE_MAX ( 10 ) // 10/16 = 0.625 ms // *********************************************** // CALIBRATION PARAMETERS DEFINITION // ********************************************** #define BMP280_CALIB_BASE_REG ( 0x88 ) // *********************************************** // REGISTER ADDRESS DEFINITION // ********************************************** #define BMP280_CHIP_ID_REG ( 0xD0 ) // Chip ID Register #define BMP280_RST_REG ( 0xE0 ) // Softreset Register #define BMP280_STAT_REG ( 0xF3 ) // Status Register #define BMP280_CTRL_MEAS_REG ( 0xF4 ) // Ctrl Measure Register #define BMP280_CONFIG_REG ( 0xF5 ) // Configuration Register #define BMP280_PRESS_MSB_REG ( 0xF7 ) // Pressure MSB Register #define BMP280_PRESS_LSB_REG ( 0xF8 ) // Pressure LSB Register #define BMP280_PRESS_XLSB_REG ( 0xF9 ) // Pressure XLSB Register #define BMP280_TEMPER_MSB_REG ( 0xFA ) // Temperature MSB Reg #define BMP280_TEMPER_LSB_REG ( 0xFB ) // Temperature LSB Reg #define BMP280_TEMPER_XLSB_REG ( 0xFC ) // Temperature XLSB Reg // *********************************************** // BIT LENGTH, POSITION AND MASK DEFINITION // ********************************************** // Status Register #define BMP280_STATUS_REG_MEASURING__POS ( 3 ) #define BMP280_STATUS_REG_MEASURING__MSK ( 0x08 ) #define BMP280_STATUS_REG_MEASURING__LEN ( 1 ) #define BMP280_STATUS_REG_MEASURING__REG ( BMP280_STAT_REG ) #define BMP280_STATUS_REG_IM_UPDATE__POS ( 0 ) #define BMP280_STATUS_REG_IM_UPDATE__MSK ( 0x01 ) #define BMP280_STATUS_REG_IM_UPDATE__LEN ( 1 ) #define BMP280_STATUS_REG_IM_UPDATE__REG ( BMP280_STAT_REG ) // *********************************************** // BIT LENGTH, POSITION AND MASK DEFINITION FOR TEMPERATURE OVERSAMPLING // **********