unleashed-firmware/firmware/targets/f7/furi_hal/furi_hal_ibutton.h
2023-02-13 19:29:48 +03:00

60 lines
1 KiB
C

/**
* @file furi_hal_ibutton.h
* iButton HAL API
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef void (*FuriHalIbuttonEmulateCallback)(void* context);
/** Initialize */
void furi_hal_ibutton_init();
/**
* Start emulation timer
* @param period timer period
* @param callback timer callback
* @param context callback context
*/
void furi_hal_ibutton_emulate_start(
uint32_t period,
FuriHalIbuttonEmulateCallback callback,
void* context);
/**
* Update emulation timer period
* @param period new timer period
*/
void furi_hal_ibutton_emulate_set_next(uint32_t period);
/**
* Stop emulation timer
*/
void furi_hal_ibutton_emulate_stop();
/**
* Set the pin to normal mode (open collector), and sets it to float
*/
void furi_hal_ibutton_pin_configure();
/**
* Sets the pin to analog mode, and sets it to float
*/
void furi_hal_ibutton_pin_reset();
/**
* iButton write pin
* @param state true / false
*/
void furi_hal_ibutton_pin_write(const bool state);
#ifdef __cplusplus
}
#endif