tssp_detect.h

#ifndef TSSP_DETECT_H
#define TSSP_DETECT_H

#include "stdint.h"
#include "stdbool.h"
#include "boards.h"

#if SYS_CFG_PRESENT == 1
#include "sys_config.h"
#endif

#ifndef RTC_USED_TSSP_DETECT 
#define RTC_USED_TSSP_DETECT 0
#endif

#ifndef EGU_USED_TSSP_DETECT 
#define EGU_USED_TSSP_DETECT 0
#endif

#ifndef PPI_CH_USED_TSSP_DETECT_1 
#define PPI_CH_USED_TSSP_DETECT_1 7
#endif

#ifndef PPI_CH_USED_TSSP_DETECT_2 
#define PPI_CH_USED_TSSP_DETECT_2 8
#endif

#ifndef GPIOTE_CH_USED_TSSP_DETECT 
#define GPIOTE_CH_USED_TSSP_DETECT 7
#endif


#ifndef TSSP_DETECT_FREQ
#ifdef MS_TIMER_FREQ
#define TSSP_DETECT_FREQ MS_TIMER_FREQ
#else
#define TSSP_DETECT_FREQ 32768
#endif
#endif

#define TSSP_DETECT_TICKS_MS(ms)                ((uint32_t) ROUNDED_DIV( (TSSP_DETECT_FREQ*(uint64_t)(ms)) , 1000) )


typedef struct 
{
    uint32_t rx_en_pin;

    uint32_t rx_in_pin;

    bool detect_logic_level;

    uint32_t window_duration_ticks;

    void (*tssp_missed_handler) (void);

    void (*tssp_detect_handler) (uint32_t ticks);

}tssp_detect_config_t;

void tssp_detect_init (tssp_detect_config_t * tssp_detect_config);

void tssp_detect_window_detect (void);

void tssp_detect_pulse_stop (void);

void tssp_detect_window_stop (void);

void tssp_detect_pulse_detect (void);

void tssp_detect_window_sync (uint32_t sync_ms);

#endif /* TSSP_DETECT_H */