diff options
Diffstat (limited to 'chip/stm32/config-stm32f4.h')
| -rw-r--r-- | chip/stm32/config-stm32f4.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/chip/stm32/config-stm32f4.h b/chip/stm32/config-stm32f4.h index 46303444fc..ee1d594116 100644 --- a/chip/stm32/config-stm32f4.h +++ b/chip/stm32/config-stm32f4.h @@ -73,3 +73,14 @@ /* DFU Address */ #define STM32_DFU_BASE 0x1fff0000 + +/* + * SET_RTC_MATCH_DELAY: max time to set RTC match alarm. If we set the alarm + * in the past, it will never wake up and cause a watchdog. + * + * This value is minimal time for which we can set RTC match alarm. It was + * obtained by setting the alarm and checking if the alarm interrupt was + * triggered. Unit test test_rtc_match_delay is responsible for verifying if + * setting the RTC match alarm with this value will generate the interrupt. + */ +#define SET_RTC_MATCH_DELAY 200 /* us */ |