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Code Issues Wiki Activity

Improve failure LED status flashing. Now users can identify and report

Browse source 
hardware failures by counting the number of long flashes.

Fix up sensor read API so that code that uses sensors can detect
malfunctions.

If a failure mode occurs in a debug mode the code reboots the system
rather than rebooting to the bootloader.
This commit is contained in:
Dominic Clifton 2015-09-12 00:07:12 +01:00
parent 6c231e189b
commit c6f5b98a79
24 changed files with 196 additions and 92 deletions
Download patch file Download diff file Expand all files Collapse all files

56
src/main/drivers/system.c
View file

@ -47,7 +47,7 @@ void registerExti15_10_CallbackHandler(extiCallbackHandler *fn)
return;
}
}
failureMode(15); // EXTI15_10_CALLBACK_HANDLER_COUNT is too low for the amount of handlers required.
failureMode(FAILURE_DEVELOPER); // EXTI15_10_CALLBACK_HANDLER_COUNT is too low for the amount of handlers required.
}
void unregisterExti15_10_CallbackHandler(extiCallbackHandler *fn)
@ -194,21 +194,49 @@ void delay(uint32_t ms)
delayMicroseconds(1000);
}
// 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;
#define SHORT_FLASH_DURATION 50
#define CODE_FLASH_DURATION 250
LED1_ON;
LED0_OFF;
while (flashesRemaining--) {
LED1_TOGGLE;
LED0_TOGGLE;
delay(475 * mode - 2);
BEEP_ON;
delay(25);
BEEP_OFF;
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
}