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jebbatime-bootloader
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boards: Improve the boot button behaviour

pull/1/head
Daniel Thompson 2020-01-28 21:14:32 +00:00
parent 1e7d8c327d
commit b89f9d43b9
1 changed files with 8 additions and 4 deletions
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12
src/boards.c
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@ -161,14 +161,18 @@ void SysTick_Handler(void)
* way that makes it impossible for us to reboot using the button test
* code below. This is OK to feed it from a periodic interrupt.
*/
nrf_wdt_reload_request_set(NRF_WDT, 0);
if (!button_pressed(BUTTON_DFU))
nrf_wdt_reload_request_set(NRF_WDT, 0);
/*
* Detect a long press of the DFU button. When found try to launch the
* application regardless of the DFU button state.
* Detect and (trivially) debounce a press of the DFU button. When
* found try to launch the application regardless of the DFU button
* state. We ignore the button press for our first few seconds of life
* because makes it harder to accidentally start the application when
* recovering from a flat battery.
*/
if (button_pressed(BUTTON_DFU)) {
if (_long_press_count++ > (2 * 1000)) {
if (_systick_count > 4750 && _long_press_count++ > 250) {
NRF_POWER->GPREGRET = BOARD_MAGIC_FORCE_APP_BOOT;
NVIC_SystemReset();
}