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DFU: incread watchdog timeout and restart watchdog before writing in flash to prevent the watchdog to trigger while flashing

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This commit is contained in:
Kévin Redon
2018-06-17 22:36:44 +02:00
parent 3f8a4c28e8
commit 6b38297e20
1 changed files with 9 additions and 2 deletions
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11
firmware/apps/dfu/main.c
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@@ -10,6 +10,8 @@
#define ALTIF_FLASH 1
unsigned int g_unique_id[4];
/* remember if the watchdog has been configured in the main loop so we can kick it in the ISR */
static bool watchdog_configured = false;
/*----------------------------------------------------------------------------
* Callbacks
@@ -32,6 +34,10 @@ int USBDFU_handle_dnload(uint8_t altif, unsigned int offset,
int rc;
/* address of the last allocated variable on the stack */
uint32_t stack_addr = (uint32_t)&rc;
/* kick the dog to have enough time to flash */
if (watchdog_configured) {
WDT_Restart(WDT);
}
printf("dnload(altif=%u, offset=%u, len=%u)\n\r", altif, offset, len);
@@ -186,9 +192,10 @@ extern int main(void)
led_blink(LED_RED, BLINK_3O_30F);
#endif
/* Enable watchdog for 500ms, with no window */
/* Enable watchdog for 2000ms, with no window */
WDT_Enable(WDT, WDT_MR_WDRSTEN | WDT_MR_WDDBGHLT | WDT_MR_WDIDLEHLT |
(WDT_GetPeriod(500) << 16) | WDT_GetPeriod(500));
(WDT_GetPeriod(2000) << 16) | WDT_GetPeriod(2000));
watchdog_configured = true;
PIO_InitializeInterrupts(0);