diff options
Diffstat (limited to 'Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_rng.c')
| -rw-r--r-- | Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_rng.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_rng.c b/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_rng.c index fd68e02bf..c27d09b50 100644 --- a/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_rng.c +++ b/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_rng.c @@ -31,8 +31,8 @@ allows the user to configure dynamically the driver callbacks. [..] - Use Function @ref HAL_RNG_RegisterCallback() to register a user callback. - Function @ref HAL_RNG_RegisterCallback() allows to register following callbacks: + Use Function HAL_RNG_RegisterCallback() to register a user callback. + Function HAL_RNG_RegisterCallback() allows to register following callbacks: (+) ErrorCallback : RNG Error Callback. (+) MspInitCallback : RNG MspInit. (+) MspDeInitCallback : RNG MspDeInit. @@ -40,9 +40,9 @@ and a pointer to the user callback function. [..] - Use function @ref HAL_RNG_UnRegisterCallback() to reset a callback to the default + Use function HAL_RNG_UnRegisterCallback() to reset a callback to the default weak (surcharged) function. - @ref HAL_RNG_UnRegisterCallback() takes as parameters the HAL peripheral handle, + HAL_RNG_UnRegisterCallback() takes as parameters the HAL peripheral handle, and the Callback ID. This function allows to reset following callbacks: (+) ErrorCallback : RNG Error Callback. @@ -51,16 +51,16 @@ [..] For specific callback ReadyDataCallback, use dedicated register callbacks: - respectively @ref HAL_RNG_RegisterReadyDataCallback() , @ref HAL_RNG_UnRegisterReadyDataCallback(). + respectively HAL_RNG_RegisterReadyDataCallback() , HAL_RNG_UnRegisterReadyDataCallback(). [..] - By default, after the @ref HAL_RNG_Init() and when the state is HAL_RNG_STATE_RESET + By default, after the HAL_RNG_Init() and when the state is HAL_RNG_STATE_RESET all callbacks are set to the corresponding weak (surcharged) functions: - example @ref HAL_RNG_ErrorCallback(). + exampleHAL_RNG_ErrorCallback(). Exception done for MspInit and MspDeInit functions that are respectively - reset to the legacy weak (surcharged) functions in the @ref HAL_RNG_Init() - and @ref HAL_RNG_DeInit() only when these callbacks are null (not registered beforehand). - If not, MspInit or MspDeInit are not null, the @ref HAL_RNG_Init() and @ref HAL_RNG_DeInit() + reset to the legacy weak (surcharged) functions in the HAL_RNG_Init() + and HAL_RNG_DeInit() only when these callbacks are null (not registered beforehand). + If not, MspInit or MspDeInit are not null, the HAL_RNG_Init() and HAL_RNG_DeInit() keep and use the user MspInit/MspDeInit callbacks (registered beforehand). [..] @@ -69,8 +69,8 @@ in HAL_RNG_STATE_READY or HAL_RNG_STATE_RESET state, thus registered (user) MspInit/DeInit callbacks can be used during the Init/DeInit. In that case first register the MspInit/MspDeInit user callbacks - using @ref HAL_RNG_RegisterCallback() before calling @ref HAL_RNG_DeInit() - or @ref HAL_RNG_Init() function. + using HAL_RNG_RegisterCallback() before calling HAL_RNG_DeInit() + or HAL_RNG_Init() function. [..] When The compilation define USE_HAL_RNG_REGISTER_CALLBACKS is set to 0 or @@ -575,11 +575,15 @@ HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber(RNG_HandleTypeDef *hrng, uint32_t { if ((HAL_GetTick() - tickstart) > RNG_TIMEOUT_VALUE) { - hrng->State = HAL_RNG_STATE_READY; - hrng->ErrorCode = HAL_RNG_ERROR_TIMEOUT; - /* Process Unlocked */ - __HAL_UNLOCK(hrng); - return HAL_ERROR; + /* New check to avoid false timeout detection in case of preemption */ + if (__HAL_RNG_GET_FLAG(hrng, RNG_FLAG_DRDY) == RESET) + { + hrng->State = HAL_RNG_STATE_READY; + hrng->ErrorCode = HAL_RNG_ERROR_TIMEOUT; + /* Process Unlocked */ + __HAL_UNLOCK(hrng); + return HAL_ERROR; + } } } |