mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-14 11:39:03 +00:00
23 lines
414 B
C
23 lines
414 B
C
|
|
#ifdef USE_TOUCH
|
|
#include "touch.h"
|
|
|
|
uint32_t touch_click(void) {
|
|
uint32_t r = 0;
|
|
// flush touch events if any
|
|
while (touch_read()) {
|
|
}
|
|
// wait for TOUCH_START
|
|
while ((touch_read() & TOUCH_START) == 0) {
|
|
}
|
|
// wait for TOUCH_END
|
|
while (((r = touch_read()) & TOUCH_END) == 0) {
|
|
}
|
|
// flush touch events if any
|
|
while (touch_read()) {
|
|
}
|
|
// return last touch coordinate
|
|
return r;
|
|
}
|
|
#endif
|