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cpu/stm32/f1/rtt: don't trigger callbacks if unset

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This commit is contained in:
Francisco Molina 2020-08-18 13:42:51 +02:00
parent 0d60b3370a
commit 14d4d2aacb
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GPG Key ID: 3E94EAC3DBDEEDA8
1 changed files with 6 additions and 2 deletions
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8
cpu/stm32/periph/rtt_f1.c
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@ -192,11 +192,15 @@ void RTT_ISR(void)
{
if (RTT_DEV->CRL & RTC_CRL_ALRF) {
RTT_DEV->CRL &= ~(RTC_CRL_ALRF);
alarm_cb(alarm_arg);
if (alarm_cb) {
alarm_cb(alarm_arg);
}
}
if (RTT_DEV->CRL & RTC_CRL_OWF) {
RTT_DEV->CRL &= ~(RTC_CRL_OWF);
overflow_cb(overflow_arg);
if (overflow_cb) {
overflow_cb(overflow_arg);
}
}
cortexm_isr_end();
}