small_water_meter_4g_src/Users/tdc_tof/tdc_tof.h

#ifndef __TDC_TOF_H__
#define __TDC_TOF_H__

#include "board.h"

#define TDC_CFG_DO_CKENA        (0x00000001u)
#define TDC_CFG_DO_CKDIS        (0x00000002u)
#define TDC_CFG_DO_WREG         (0x00000008u)
#define TDC_CFG_FIRE_UP         (0x00000010u)
#define TDC_CFG_FIRE_DOWN       (0x00000020u)

#define TOF_ST_INIT             (0x0001u)
#define TOF_ST_CALIB            (0x0002u)
#define TOF_ST_TEST             (0x0004u)
#define TOF_ST_METER            (0x0008u)
#define TOF_ST_VOID             (0x0010u)

#define TOF_FLAG_BLANK_PIPE     (0x00000001u)
#define TOF_FLAG_UNPAIR_WAVE    (0x00000002u)
#define TOF_FLAG_UP_EARLY       (0x00000004u)
#define TOF_FLAG_UNALGND_CHOP   (0x00000008u)
#define TOF_FLAG_VALID_FLOW     (0x00000010u)
#define TOF_FLAG_CALIB_FLOW     (0x00000020u)
#define TOF_FLAG_CALIB_FALL     (0x00000040u)
#define TOF_FLAG_CALIB_DONE     (0x00000080u)
#define TOF_FLAG_TDC_FAULT      (0x40000000u)

#define CALIB_TIME_LTH          (10)

#define RTC_CNTMSK_VOID         (0x3u)
#define RTC_CNTMSK_CAL          (0x7u)
#define RTC_CNTMSK_TEMP         (0x7u)

//modified by yuewei 20260520 start
/*
typedef struct {
    float   SpdLvl;     // start SpdLvl for this Quad
    float   Coe[4];     // m0, m1, m2, m3 for this Quad
} Quad_Cell_t;
*/
typedef struct {
    float m;  // 常数
    float k;  // 系数
} Coeff_t;

typedef struct {
    float    value;   // 温度值 / 流速等级
    Coeff_t  coe;     // 补偿系数 {m, k}
} Quad_Cell_t;

//modified by yuewei 20260520 end
extern uint32_t RTC_CntInt;
extern uint16_t tof_state;
extern uint32_t tof_flag;
extern uint8_t TdcIntStep;
extern uint16_t TdcStatus;
extern uint16_t TdcUPwFw;
extern uint16_t TdcUPwHw;
extern uint16_t TdcDPwFw;
extern uint16_t TdcDPwHw;
extern uint32_t TdcUToF[9];
extern uint32_t TdcDToF[9];
extern float WaterPrmt[2];
extern float TdcScale;

#define WaterTemp       (WaterPrmt[0])
#define UsonicSpd       (WaterPrmt[1])

extern float UToFAvg;
extern float DToFAvg;
extern float DiffToF;
extern float DiffToFAvg;
extern float DiffToFAvg128;
extern uint8_t TdcFwOfst;

extern double CumFlow;
extern double FwCumFlow;
extern double BwCumFlow;
extern double FlowVol;
extern float RefFlow;

extern uint16_t CalibTime;
extern float CalibSpdLvl;
extern float CalibTemp;
extern float DiffTofThres[4];

typedef void (*flow_vol_itf)(double flow_vol, float tmp_float);
typedef void (*pipe_blank_itf)(uint8_t ch);
typedef void (*check_flow_itf)(double cum_flow, float spdLvl, float temp);
typedef struct {
    uint8_t bw_flow_flag;
    uint32_t ch_bit_map;
    uint32_t blank_flag;
    float   pipe_coe;
    float   path_skew[MUX_CH_NUM];

    uint32_t ch_num;

    uint8_t mux_ch_no[MUX_CH_NUM];
    uint32_t mux_switch;

    uint16_t ntc_num;
    const uint16_t *ntc_ohm_ary;
    const float   *ntc_slp_ary;

    uint16_t row_num;
    uint16_t col_num;
    const float *row_temp_ary;
		//modified by yuewei 20260409
    //const Quad_Cell_t *quad_cell_ary;
    Quad_Cell_t *quad_cell_ary;

    pipe_blank_itf set_blank;
    pipe_blank_itf clr_blank;
    flow_vol_itf flow_vol;
    check_flow_itf check_flow;
}tdc_itf_t;

extern tdc_itf_t TdcItf;
extern tdc_itf_t *pTdcItf;

extern const uint16_t Quad_Cell_NUM;//wxl2026-4-14
extern Quad_Cell_t Quad_Cell_Ary[];//wxl2026-4-14

void tdc_tof_init(void);
void tdc_start_tof(uint32_t cfg);
void tdc_read_tof(uint32_t cfg);
void tdc_start_cal(uint32_t cfg);
void tdc_read_cal(uint32_t cfg);
void tdc_start_temp(uint32_t cfg);
void tdc_read_temp(uint32_t cfg);

void Ohm2Dgr2USSpd(uint16_t ohmX10, float *p);

float bilinear_quad_apsr(float WatSpdLvl, float WatTemp);

// tdc_itf.c
void tdc_flow_itf(double flow_vol, float tmp_float);
void set_pipe_blank(uint8_t ch);
void clr_pipe_blank(uint8_t ch);

void set_tdc_itf(tdc_itf_t *itf);
uint32_t get_tof_flag(void);
void set_tof_flag(uint32_t flag);
uint16_t get_tof_state(void);
void set_tof_state(uint16_t state);
float get_diff_tof(void);
uint8_t get_tdc_fw_ofst(void);
void set_tdc_fw_ofst(uint8_t fw_ofst);
uint8_t get_tdc_int_step(void);
void set_tdc_int_step(uint8_t int_step);

#endif