trezor-firmware/core/embed/trezorhal/touch.h

#ifndef _TOUCH_H
#define _TOUCH_H

#include <stdint.h>
#include "secbool.h"

#define TOUCH_START (1U << 24)
#define TOUCH_MOVE (1U << 25)
#define TOUCH_END (1U << 26)

secbool touch_init(void);
void touch_power_on(void);
void touch_power_off(void);
void touch_wait_until_ready(void);

secbool touch_sensitivity(uint8_t value);
uint32_t touch_read(void);
uint32_t touch_click(void);
uint32_t touch_is_detected(void);
uint8_t touch_get_version(void);

static inline uint16_t touch_unpack_x(uint32_t evt) {
  return (evt >> 12) & 0xFFF;
}
static inline uint16_t touch_unpack_y(uint32_t evt) {
  return (evt >> 0) & 0xFFF;
}
static inline uint32_t touch_pack_xy(uint16_t x, uint16_t y) {
  return ((x & 0xFFF) << 12) | (y & 0xFFF);
}

#endif  //_TOUCH_H