ATY_LIB/Doing/BMP280_ATY.h

/**
* @file BMP280_ATY.h
*
* @param Project DEVICE_GENERAL_ATY_LIB
*
* @author ATY
*
* @copyright
*       - Copyright 2017 - 2026 MZ-ATY
*       - This code follows:
*           - MZ-ATY Various Contents Joint Statement -
*               <a href="https://mengze.top/MZ-ATY_VCJS">
*                        https://mengze.top/MZ-ATY_VCJS</a>
*           - CC 4.0 BY-NC-SA -
*               <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">
*                        https://creativecommons.org/licenses/by-nc-sa/4.0/</a>
*       - Your use will be deemed to have accepted the terms of this statement.
*
* @brief functions of BMP280 for C platform
*
* @version
*       - 1_01_220831 > ATY
*           -# Preliminary version, first Release
*       - 1_02_231229 > ATY
*           -# add multy addr and channel
********************************************************************************
*/

#ifndef __BMP280_ATY_H
#define __BMP280_ATY_H

#include "INCLUDE_ATY.h"
#include "HW_I2C_ATY.h"

/******************************* For user *************************************/
// Set SDO voltage level for device address
#define BMP280_SDO 1
#define BMP280_ADDRESS                      (0x76 | BMP280_SDO)

// #define BMP280_USE_FIXED_POINT_COMPENSATE

// #define __DEBUG_BMP280_ATY
// #define BMP280_I2C I2C_C1

/******************************************************************************/

typedef long signed int                     BMP280_S32_t;   // signed 32
typedef long unsigned int                   BMP280_U32_t;   // unsigned 32
typedef long long signed int                BMP280_S64_t;   // signed 64


#define BMP280_RESET_VALUE                  0xB6

#define BMP280_CHIPID_REG                   0xD0
#define BMP280_RESET_REG                    0xE0            // Softreset Register
#define BMP280_STATUS_REG                   0xF3
#define BMP280_CTRLMEAS_REG                 0xF4            // Ctrl Measure Register
#define BMP280_CONFIG_REG                   0xF5
#define BMP280_PRESSURE_MSB_REG             0xF7
#define BMP280_PRESSURE_LSB_REG             0xF8
#define BMP280_PRESSURE_XLSB_REG            0xF9
#define BMP280_TEMPERATURE_MSB_REG          0xFA
#define BMP280_TEMPERATURE_LSB_REG          0xFB
#define BMP280_TEMPERATURE_XLSB_REG         0xFC

#define BMP280_MEASURING                    0x01            // Measure state reg
#define BMP280_IM_UPDATE                    0x08            // Update state reg

// BMP280 work mode
typedef enum {
    BMP280_SLEEP_MODE = 0x00,
    BMP280_FORCED_MODE = 0x01,      // and 0x02
    BMP280_NORMAL_MODE = 0x03
} BMP280_WORK_MODE;

// Pressure oversampling factor
typedef enum
{
    BMP280_P_MODE_SKIP = 0x0,       // skipped
    BMP280_P_MODE_1,                // x1
    BMP280_P_MODE_2,                // x2
    BMP280_P_MODE_3,                // x4
    BMP280_P_MODE_4,                // x8
    BMP280_P_MODE_5                 // x16
} BMP280_P_OVERSAMPLING;

// Temperature oversampling factor
typedef enum {
    BMP280_T_MODE_SKIP = 0x0,       // skipped
    BMP280_T_MODE_1,                // x1
    BMP280_T_MODE_2,                // x2
    BMP280_T_MODE_3,                // x4
    BMP280_T_MODE_4,                // x8
    BMP280_T_MODE_5                 // x16
} BMP280_T_OVERSAMPLING;

// IIR filter time constant
typedef enum {
    BMP280_FILTER_OFF = 0x0,        // filter off
    BMP280_FILTER_MODE_1,           // x2 0.223*ODR
    BMP280_FILTER_MODE_2,           // x4 0.092*ODR
    BMP280_FILTER_MODE_3,           // x8 0.042*ODR
    BMP280_FILTER_MODE_4            // x16 0.021*ODR
} BMP280_FILTER_COEFFICIENT;

// Hold time
typedef enum {
    BMP280_T_SB1 = 0x0,             // 0.5ms
    BMP280_T_SB2,                   // 62.5ms
    BMP280_T_SB3,                   // 125ms
    BMP280_T_SB4,                   // 250ms
    BMP280_T_SB5,                   // 500ms
    BMP280_T_SB6,                   // 1000ms
    BMP280_T_SB7,                   // 2000ms
    BMP280_T_SB8                    // 4000ms
} BMP280_T_SB;

// T1~P9 Is the compensation coefficient
typedef struct _BMP280_CC
{
    uint16_t T1;
    int16_t T2;
    int16_t T3;
    uint16_t P1;
    int16_t P2;
    int16_t P3;
    int16_t P4;
    int16_t P5;
    int16_t P6;
    int16_t P7;
    int16_t P8;
    int16_t P9;
} BMP280_CC;

#define BMP280_DIG_T1_LSB_REG       0x88
#define BMP280_DIG_T1_MSB_REG       0x89
#define BMP280_DIG_T2_LSB_REG       0x8A
#define BMP280_DIG_T2_MSB_REG       0x8B
#define BMP280_DIG_T3_LSB_REG       0x8C
#define BMP280_DIG_T3_MSB_REG       0x8D
#define BMP280_DIG_P1_LSB_REG       0x8E
#define BMP280_DIG_P1_MSB_REG       0x8F
#define BMP280_DIG_P2_LSB_REG       0x90
#define BMP280_DIG_P2_MSB_REG       0x91
#define BMP280_DIG_P3_LSB_REG       0x92
#define BMP280_DIG_P3_MSB_REG       0x93
#define BMP280_DIG_P4_LSB_REG       0x94
#define BMP280_DIG_P4_MSB_REG       0x95
#define BMP280_DIG_P5_LSB_REG       0x96
#define BMP280_DIG_P5_MSB_REG       0x97
#define BMP280_DIG_P6_LSB_REG       0x98
#define BMP280_DIG_P6_MSB_REG       0x99
#define BMP280_DIG_P7_LSB_REG       0x9A
#define BMP280_DIG_P7_MSB_REG       0x9B
#define BMP280_DIG_P8_LSB_REG       0x9C
#define BMP280_DIG_P8_MSB_REG       0x9D
#define BMP280_DIG_P9_LSB_REG       0x9E
#define BMP280_DIG_P9_MSB_REG       0x9F

typedef struct
{
    BMP280_P_OVERSAMPLING           P_Osample;
    BMP280_T_OVERSAMPLING           T_Osample;
    BMP280_WORK_MODE                WORKMODE;
} BMP280_OVERSAMPLE_MODE;

typedef struct
{
    BMP280_T_SB                     T_SB;
    BMP280_FILTER_COEFFICIENT       FILTER_COEFFICIENT;
    FunctionalState                 SPI_EN;
} BMP280_CONFIG;

extern struct _BMP280_CC bmp280Cc;


extern uint8_t bmp280Id;
extern uint8_t bmp280InitFlag;
uint8_t BMP280_TempPreGet(uint16_t* tp, uint8_t addr, uint8_t channel);


#endif /* __BMP280_ATY_H */

/******************************** End Of File *********************************/