File syn_dipswitch.h¶

File List > input > syn_dipswitch.h
#ifndef SYN_DIPSWITCH_H
#define SYN_DIPSWITCH_H

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

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

#ifdef __cplusplus
extern "C" {
#endif

#define SYN_DIPSWITCH_MAX_PINS 16

typedef struct {
    SYN_GPIO_Pin pins[SYN_DIPSWITCH_MAX_PINS];
    uint8_t count;
    bool active_low;
    uint32_t current_value;
    uint32_t previous_value;
    bool changed;
} SYN_DipSwitch;

SYN_Status syn_dipswitch_init(SYN_DipSwitch *ds, const SYN_GPIO_Pin *pins, uint8_t count,
                              bool active_low);

void syn_dipswitch_read(SYN_DipSwitch *ds);

uint32_t syn_dipswitch_get_value(const SYN_DipSwitch *ds);

bool syn_dipswitch_has_changed(SYN_DipSwitch *ds);

#ifdef __cplusplus
}
#endif

#endif /* SYN_DIPSWITCH_H */