void buttonsHandleColdBootButtonPresses(void)
{
uint8_t secondsRemaining = 10;
bool bothButtonsHeld;
do {
bothButtonsHeld = !digitalIn(BUTTON_A_PORT, BUTTON_A_PIN) && !digitalIn(BUTTON_B_PORT, BUTTON_B_PIN);
if (bothButtonsHeld) {
if (--secondsRemaining == 0) {
resetEEPROM();
systemReset();
}
if (secondsRemaining > 5) {
delay(1000);
} else {
// flash quicker after a few seconds
delay(500);
LED0_TOGGLE;
delay(500);
}
LED0_TOGGLE;
}
} while (bothButtonsHeld);
// buttons released between 5 and 10 seconds
if (secondsRemaining < 5) {
usbGenerateDisconnectPulse();
flashLedsAndBeep();
systemResetToBootloader();
}
}
void evaluateOtherData(serialPort_t *serialPort, uint8_t receivedChar)
{
if (receivedChar == '#') {
cliEnter(serialPort);
} else if (receivedChar == serialConfig->reboot_character) {
systemResetToBootloader();
}
}
void evaluateOtherData(serialPort_t *serialPort, uint8_t receivedChar)
{
#ifndef USE_CLI
UNUSED(serialPort);
#else
if (receivedChar == '#') {
cliEnter(serialPort);
}
#endif
if (receivedChar == serialConfig->reboot_character) {
systemResetToBootloader();
}
}
// FIXME replace mode with an enum so usage can be tracked, currently mode is a magic number
void failureMode(uint8_t mode)
{
uint8_t flashesRemaining = 10;
LED1_ON;
LED0_OFF;
while (flashesRemaining--) {
LED1_TOGGLE;
LED0_TOGGLE;
delay(475 * mode - 2);
BEEP_ON;
delay(25);
BEEP_OFF;
}
systemResetToBootloader();
}
void failureMode(failureMode_e mode)
{
int codeRepeatsRemaining = 10;
int codeFlashesRemaining;
int shortFlashesRemaining;
while (codeRepeatsRemaining--) {
LED1_ON;
LED0_OFF;
shortFlashesRemaining = 5;
codeFlashesRemaining = mode + 1;
uint8_t flashDuration = SHORT_FLASH_DURATION;
while (shortFlashesRemaining || codeFlashesRemaining) {
LED1_TOGGLE;
LED0_TOGGLE;
BEEP_ON;
delay(flashDuration);
LED1_TOGGLE;
LED0_TOGGLE;
BEEP_OFF;
delay(flashDuration);
if (shortFlashesRemaining) {
shortFlashesRemaining--;
if (shortFlashesRemaining == 0) {
delay(500);
flashDuration = CODE_FLASH_DURATION;
}
} else {
codeFlashesRemaining--;
}
}
delay(1000);
}
#ifdef DEBUG
systemReset();
#else
systemResetToBootloader();
#endif
}
static void mspProcessPendingRequest(mspPort_t * mspPort)
{
// If no request is pending or 100ms guard time has not elapsed - do nothing
if ((mspPort->pendingRequest == MSP_PENDING_NONE) || (millis() - mspPort->lastActivityMs < 100)) {
return;
}
switch(mspPort->pendingRequest) {
case MSP_PENDING_BOOTLOADER:
systemResetToBootloader();
break;
#ifdef USE_CLI
case MSP_PENDING_CLI:
cliEnter(mspPort->port);
break;
#endif
default:
break;
}
}
void serialEvaluateNonMspData(serialPort_t *serialPort, uint8_t receivedChar)
{
#ifndef USE_CLI
UNUSED(serialPort);
#else
if (receivedChar == '#') {
cliEnter(serialPort);
}
#endif
if (receivedChar == serialConfig()->reboot_character) {
// A 100ms guard delay to make sure reboot_character is followed by silence
// If anything is received during the guard period - reboot_character is ignored
for (int i = 0; i < 10; i++) {
delay(10);
if (serialRxBytesWaiting(serialPort)) {
return;
}
}
systemResetToBootloader();
}
}
int main(void) {
//spiInit(SPIDEV_1);
// start fpu
SCB->CPACR = (0x3 << (10*2)) | (0x3 << (11*2));
SetSysClock();
systemInit();
timerInit(); // timer must be initialized before any channel is allocated
serial0 = serial0_open();
dmaInit();
setup();
while (true) {
#ifndef EXTERNAL_DEBUG
static uint32_t dbg_start_msec;
// support reboot from host computer
if (millis()-dbg_start_msec > 100) {
dbg_start_msec = millis();
while (serialRxBytesWaiting(serial0)) {
uint8_t c = serialRead(serial0);
if (c == 'R')
systemResetToBootloader();
}
}
#endif
loop();
}
} // main
void resetToBootloader(void)
{
systemResetToBootloader();
}
