/*
 * Copyright (C) 2015-2021 Alibaba Group Holding Limited
 */

#ifndef __QMP6988_H
#define __QMP6988_H
#include <stdio.h>
#include "aos/hal/i2c.h"
#include "hal_iomux_haas1000.h"

#define QMP6988_SLAVE_ADDRESS_L  (0x70)
#define QMP6988_SLAVE_ADDRESS_H  (0x56)

#define QMP6988_U16_t unsigned short
#define QMP6988_S16_t short
#define QMP6988_U32_t unsigned int
#define QMP6988_S32_t int
#define QMP6988_U64_t unsigned long long
#define QMP6988_S64_t long long


#define QMP6988_CHIP_ID                         0x5C

#define QMP6988_CHIP_ID_REG                 0xD1
#define QMP6988_RESET_REG                   0xE0  /* Device reset register */
#define QMP6988_DEVICE_STAT_REG             0xF3  /* Device state register */
#define QMP6988_CTRLMEAS_REG                0xF4  /* Measurement Condition Control Register */
/* data */
#define QMP6988_PRESSURE_MSB_REG            0xF7  /* Pressure MSB Register */
#define QMP6988_TEMPERATURE_MSB_REG         0xFA  /* Temperature MSB Reg */

/* compensation calculation */
#define QMP6988_CALIBRATION_DATA_START      0xA0 /* QMP6988 compensation coefficients */
#define QMP6988_CALIBRATION_DATA_LENGTH     25

#define SHIFT_RIGHT_4_POSITION               4
#define SHIFT_LEFT_2_POSITION                2
#define SHIFT_LEFT_4_POSITION                4
#define SHIFT_LEFT_5_POSITION                5
#define SHIFT_LEFT_8_POSITION                8
#define SHIFT_LEFT_12_POSITION               12
#define SHIFT_LEFT_16_POSITION               16

/* power mode */
#define QMP6988_SLEEP_MODE                    0x00
#define QMP6988_FORCED_MODE                   0x01
#define QMP6988_NORMAL_MODE                   0x03

#define QMP6988_CTRLMEAS_REG_MODE__POS              0
#define QMP6988_CTRLMEAS_REG_MODE__MSK              0x03
#define QMP6988_CTRLMEAS_REG_MODE__LEN              2

/* oversampling */
#define QMP6988_OVERSAMPLING_SKIPPED          0x00
#define QMP6988_OVERSAMPLING_1X               0x01
#define QMP6988_OVERSAMPLING_2X               0x02
#define QMP6988_OVERSAMPLING_4X               0x03
#define QMP6988_OVERSAMPLING_8X               0x04
#define QMP6988_OVERSAMPLING_16X              0x05
#define QMP6988_OVERSAMPLING_32X              0x06
#define QMP6988_OVERSAMPLING_64X              0x07


#define QMP6988_CTRLMEAS_REG_OSRST__POS             5
#define QMP6988_CTRLMEAS_REG_OSRST__MSK             0xE0
#define QMP6988_CTRLMEAS_REG_OSRST__LEN             3


#define QMP6988_CTRLMEAS_REG_OSRSP__POS             2
#define QMP6988_CTRLMEAS_REG_OSRSP__MSK             0x1C
#define QMP6988_CTRLMEAS_REG_OSRSP__LEN             3


/* filter */
#define QMP6988_FILTERCOEFF_OFF               0x00
#define QMP6988_FILTERCOEFF_2                 0x01
#define QMP6988_FILTERCOEFF_4                 0x02
#define QMP6988_FILTERCOEFF_8                 0x03
#define QMP6988_FILTERCOEFF_16                0x04
#define QMP6988_FILTERCOEFF_32                0x05


#define QMP6988_CONFIG_REG                    0xF1  /*IIR filter co-efficient setting Register*/

#define QMP6988_CONFIG_REG_FILTER__POS              0
#define QMP6988_CONFIG_REG_FILTER__MSK              0x07
#define QMP6988_CONFIG_REG_FILTER__LEN              3


#define SUBTRACTOR 8388608

#define QMP6988_CALC_INT

typedef struct qmp6988_cali_data {
    QMP6988_S32_t COE_a0;
    QMP6988_S16_t COE_a1;
    QMP6988_S16_t COE_a2;
    QMP6988_S32_t COE_b00;
    QMP6988_S16_t COE_bt1;
    QMP6988_S16_t COE_bt2;
    QMP6988_S16_t COE_bp1;
    QMP6988_S16_t COE_b11;
    QMP6988_S16_t COE_bp2;
    QMP6988_S16_t COE_b12;
    QMP6988_S16_t COE_b21;
    QMP6988_S16_t COE_bp3;
} qmp6988_cali_data;

typedef struct qmp6988_fk_data {
    float a0, b00;
    float a1, a2, bt1, bt2, bp1, b11, bp2, b12, b21, bp3;
} qmp6988_fk_data;

typedef struct qmp6988_ik_data {
    QMP6988_S32_t a0, b00;
    QMP6988_S32_t a1, a2;
    QMP6988_S64_t bt1, bt2, bp1, b11, bp2, b12, b21, bp3;
} qmp6988_ik_data;

typedef struct qmp6988_data {
    uint8_t slave;
    uint8_t chip_id;
    uint8_t power_mode;
    float temperature;
    float pressure;
    float altitude;
    qmp6988_cali_data qmp6988_cali;
#if defined(QMP6988_CALC_INT)
    qmp6988_ik_data ik;
#else
    qmp6988_fk_data fk;
#endif
} qmp6988_data;


extern uint8_t qmp6988_init(qmp6988_data *qmp6988);
extern float qmp6988_calc_pressure(qmp6988_data *qmp6988);
extern void qmp6988_deinit(void);
#endif