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Ignore button jitters in bootloader mode

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wh201906 2024-01-03 15:39:50 +08:00
commit 00686a91d0
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2 changed files with 10 additions and 2 deletions
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11
bootrom/bootrom.c
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@ -252,10 +252,17 @@ static void flash_mode(void) {
}
}
if (g_common_area.flags.button_pressed && BUTTON_PRESS() == false) {
bool button_state = BUTTON_PRESS();
// ~10ms, prevent jitter
delay_loop(3333);
if (button_state != BUTTON_PRESS()) {
// in jitter state, ignore
continue;
}
if (g_common_area.flags.button_pressed && button_state == false) {
g_common_area.flags.button_pressed = 0;
}
if (!g_common_area.flags.button_pressed && BUTTON_PRESS()) {
if (!g_common_area.flags.button_pressed && button_state) {
/* Perform a reset to leave flash mode */
g_common_area.flags.button_pressed = 1;
usb_disable();