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Add watchdog clock accuracy to STM targets.

pull/11203/head
int_szyk 2019-09-11 10:59:03 +02:00
parent 82e5952693
commit f892ae7f1e
1 changed files with 18 additions and 0 deletions
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18
targets/TARGET_STM/watchdog_api.c
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@ -123,6 +123,24 @@ watchdog_features_t hal_watchdog_get_platform_features(void)
features.max_timeout = MAX_TIMEOUT_MS;
features.update_config = true;
features.disable_watchdog = false;
/* STM32 IWDG (Independent Watchdog) is clocked by its own dedicated low-speed clock (LSI) */
features.clock_typical_frequency = LSI_VALUE;
/* See LSI oscillator characteristics in Data Sheet */
#if defined(STM32F1)
features.clock_max_frequency = 60000;
#elif defined(STM32L0) || defined(STM32L1)
features.clock_max_frequency = 56000;
#elif defined(STM32F2) || defined(STM32F4) || defined(STM32F7)
features.clock_max_frequency = 47000;
#elif defined(STM32F0) || defined(STM32F3)
features.clock_max_frequency = 50000;
#elif defined(STM32H7) || defined(STM32L4) || defined(STM32WB)
features.clock_max_frequency = 33600;
#else
#error "unsupported target"
#endif
return features;
}