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check if callback is null (could happen in wake from backup)

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This commit is contained in:
Joey Castillo 2021-08-10 22:07:30 -04:00
parent 0f49ed8150
commit 1ab1d3fff2
1 changed files with 9 additions and 3 deletions
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12
watch-library/hpl/rtc/hpl_rtc.c
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@ -388,18 +388,24 @@ static void _rtc_interrupt_handler(struct calendar_dev *dev)
uint16_t interrupt_enabled = hri_rtcmode0_read_INTEN_reg(dev->hw);
if ((interrupt_status & interrupt_enabled) & RTC_MODE2_INTFLAG_ALARM0) {
dev->callback_alarm();
if (dev->callback_alarm != NULL) {
dev->callback_alarm();
}
/* Clear interrupt flag */
hri_rtcmode0_clear_interrupt_CMP0_bit(dev->hw);
} else if ((interrupt_status & interrupt_enabled) & RTC_MODE2_INTFLAG_PER7) {
dev->callback_tick();
if (dev->callback_tick != NULL) {
dev->callback_tick();
}
/* Clear interrupt flag */
hri_rtcmode0_clear_interrupt_PER7_bit(dev->hw);
} else if ((interrupt_status & interrupt_enabled) & RTC_MODE2_INTFLAG_TAMPER) {
uint8_t reason = hri_rtc_get_TAMPID_reg(dev->hw, 0x1F);
dev->callback_tamper(reason);
if (dev->callback_tamper != NULL) {
dev->callback_tamper(reason);
}
hri_rtc_write_TAMPID_reg(dev->hw, reason);
/* Clear interrupt flag */