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application: add reset cause output

This commit is contained in:
King Kévin 2019-12-21 19:26:27 +01:00
parent 68bdfee641
commit 28ddcc8f6a
1 changed files with 26 additions and 0 deletions
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26
application.c
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@ -328,6 +328,32 @@ void main(void)
usb_cdcacm_setup(); // setup USB CDC ACM (for printing)
printf("\nwelcome to the CuVoodoo STM32F1 example application\n"); // print welcome message
#if DEBUG
// show reset cause
if (RCC_CSR & (RCC_CSR_LPWRRSTF | RCC_CSR_WWDGRSTF | RCC_CSR_IWDGRSTF | RCC_CSR_SFTRSTF | RCC_CSR_PORRSTF | RCC_CSR_PINRSTF)) {
puts("reset cause(s):");
if (RCC_CSR & RCC_CSR_LPWRRSTF) {
puts(" low-power");
}
if (RCC_CSR & RCC_CSR_WWDGRSTF) {
puts(" window-watchdog");
}
if (RCC_CSR & RCC_CSR_IWDGRSTF) {
puts(" independent-watchdog");
}
if (RCC_CSR & RCC_CSR_SFTRSTF) {
puts(" software");
}
if (RCC_CSR & RCC_CSR_PORRSTF) {
puts(" POR/PDR");
}
if (RCC_CSR & RCC_CSR_PINRSTF) {
puts(" pin");
}
putc('\n');
RCC_CSR |= RCC_CSR_RMVF; // clear reset flags
}
#endif
#if !(DEBUG)
// show watchdog information
printf("setup watchdog: %.2fs", WATCHDOG_PERIOD / 1000.0);