File syn_soft_onewire.h

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#ifndef SYN_SOFT_ONEWIRE_H
#define SYN_SOFT_ONEWIRE_H

#include "../common/syn_defs.h"
#include "../port/syn_port_gpio.h"

#include <stdbool.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

/* ── Timing calibration macro ──────────────────────────────────────────── */

#define SYN_SOFT_ONEWIRE_LOOPS_PER_US(freq_hz) ((uint32_t)(((uint32_t)(freq_hz)) / 4000000UL))

typedef struct {
    SYN_GPIO_Pin pin;     
    uint32_t delay_loops; 
} SYN_SoftOneWire;

void syn_soft_onewire_init(SYN_SoftOneWire *ow, SYN_GPIO_Pin pin, uint32_t delay_loops);

bool syn_soft_onewire_reset(const SYN_SoftOneWire *ow);

void syn_soft_onewire_write_byte(const SYN_SoftOneWire *ow, uint8_t byte);

uint8_t syn_soft_onewire_read_byte(const SYN_SoftOneWire *ow);

void syn_soft_onewire_write_rom(const SYN_SoftOneWire *ow, const uint8_t rom[8]);

void syn_soft_onewire_read_rom(const SYN_SoftOneWire *ow, uint8_t rom[8]);

#ifdef __cplusplus
}
#endif

#endif /* SYN_SOFT_ONEWIRE_H */