static inline void OnBTNChange(bool btn_pressed, uint btn) {
// Assumes btn 1..4
// De-bouncing
bool *state = &btn_state[btn];
uint *tick = &btn_debounce_tick[btn];
bool *debouncing = &btn_debouncing[btn];
if (*debouncing && systick < *tick) {
return; // Event occurred within debounce interval
}
// Change state
*state = btn_pressed;
*tick = systick + DEBOUNCE_INTERVAL;
*debouncing = true;
//printf("btn %d : %d\n", btn, btn_pressed);
reset_auto_screen_off();
// Event handling
if (btn_pressed) {
if (!displayOn) {
ScreenOn();
}
else {
switch (btn) {
case 1:
break;
case 2:
PrevApp();
break;
case 3:
NextApp();
break;
case 4:
ScreenOff();
break;
}
}
AppForegroundEvent(evtBtnPress, btn);
} else {
AppForegroundEvent(evtBtnRelease, btn);
}
}
/*---------------------------------------------------------------------------*/
void ScreenInit(void)
{
T_uezDevice lcd;
T_pixelColor *pixels;
UEZLCDOpen("LCD", &lcd);
UEZLCDGetFrame(lcd, 0, (void **)&pixels);
UEZLCDBacklight(lcd, 0);
UEZLCDOff(lcd);
swim_window_open(&G_win, DISPLAY_WIDTH, DISPLAY_HEIGHT, pixels, 0, 0,
DISPLAY_WIDTH - 1, DISPLAY_HEIGHT - 1, 1, WHITE, RGB(0, 0, 0),
WHITE);
swim_set_font(&G_win, &APP_DEMO_DEFAULT_FONT);
print(PROJECT_NAME " " VERSION_AS_TEXT "\n\n"); // clear serial screen and put up banner
ScreenOn();
}
