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stm32/rtc: Get rtc.wakeup working on F0 MCUs.

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The problem was that the EXTI line for the RTC wakeup event is line 20 on
the F0, so the interrupt was not firing.
This commit is contained in:
Damien George
2018-07-31 17:24:10 +10:00
parent 1e3a7f561f
commit 9dfbb6cc16
3 changed files with 29 additions and 21 deletions
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4
ports/stm32/stm32_it.c
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@@ -574,7 +574,7 @@ void TAMP_STAMP_IRQHandler(void) {
void RTC_WKUP_IRQHandler(void) {
IRQ_ENTER(RTC_WKUP_IRQn);
RTC->ISR &= ~(1 << 10); // clear wakeup interrupt flag
RTC->ISR &= ~RTC_ISR_WUTF; // clear wakeup interrupt flag
Handle_EXTI_Irq(EXTI_RTC_WAKEUP); // clear EXTI flag and execute optional callback
IRQ_EXIT(RTC_WKUP_IRQn);
}
@@ -583,7 +583,7 @@ void RTC_WKUP_IRQHandler(void) {
void RTC_IRQHandler(void) {
IRQ_ENTER(RTC_IRQn);
RTC->ISR &= ~(1 << 10); // clear wakeup interrupt flag
RTC->ISR &= ~RTC_ISR_WUTF; // clear wakeup interrupt flag
Handle_EXTI_Irq(EXTI_RTC_WAKEUP); // clear EXTI flag and execute optional callback
IRQ_EXIT(RTC_IRQn);
}