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Merge pull request #11178 from Tharazi97/watchdog_max_timeout 

ST: Watchdog: Fix timeout registers value calculation
pull/10750/head
Martin Kojtal 2019-08-20 13:47:31 +02:00 committed by GitHub
parent 398515a367 df43350f28
commit ce74bb53c4
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1 changed files with 1 additions and 1 deletions
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2
targets/TARGET_STM/watchdog_api.c
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@ -39,7 +39,7 @@
// Convert Prescaler_divider bits (PR) of Prescaler_register (IWDG_PR) and a timeout value [ms]
// to Watchdog_counter_reload_value bits (RL) of Reload_register (IWDG_RLR)
#define PR_TIMEOUT_MS2RL(PR_BITS, TIMEOUT_MS) \
((TIMEOUT_MS) * (LSI_VALUE) / (PR2PRESCALER_DIV(PR_BITS)) / 1000UL)
(((TIMEOUT_MS) * (LSI_VALUE) / (PR2PRESCALER_DIV(PR_BITS)) + 999UL) / 1000UL)
#define MAX_TIMEOUT_MS_UINT64 PR_RL2UINT64_TIMEOUT_MS(MAX_IWDG_PR, MAX_IWDG_RL)
#if (MAX_TIMEOUT_MS_UINT64 > UINT32_MAX)