Diff: targets/cmsis/TARGET_STM/TARGET_DISCO_F407VG/stm32f4xx_hal_rng.c

Revision:

242:7074e42da0b2

Parent:

133:d4dda5c437f0

diff -r ffe41b0c8126 -r 7074e42da0b2 targets/cmsis/TARGET_STM/TARGET_DISCO_F407VG/stm32f4xx_hal_rng.c
--- a/targets/cmsis/TARGET_STM/TARGET_DISCO_F407VG/stm32f4xx_hal_rng.c	Thu Jun 26 10:30:09 2014 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_DISCO_F407VG/stm32f4xx_hal_rng.c	Fri Jun 27 07:30:09 2014 +0100
@@ -2,8 +2,8 @@
   ******************************************************************************
   * @file    stm32f4xx_hal_rng.c
   * @author  MCD Application Team
-  * @version V1.0.0
-  * @date    18-February-2014
+  * @version V1.1.0RC2
+  * @date    14-May-2014
   * @brief   RNG HAL module driver.
   *          This file provides firmware functions to manage the following 
   *          functionalities of the Random Number Generator (RNG) peripheral:
@@ -102,7 +102,8 @@
 /**
   * @brief  Initializes the RNG according to the specified
   *         parameters in the RNG_InitTypeDef and creates the associated handle.
-  * @param  hrng: RNG handle
+  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
+  *                the configuration information for RNG.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RNG_Init(RNG_HandleTypeDef *hrng)
@@ -118,20 +119,23 @@
     /* Init the low level hardware */
     HAL_RNG_MspInit(hrng);
   }
+  /* Change RNG peripheral state */
+  hrng->State = HAL_RNG_STATE_BUSY;
 
   /* Enable the RNG Peripheral */
   __HAL_RNG_ENABLE(hrng);
-  
+
   /* Initialize the RNG state */
   hrng->State = HAL_RNG_STATE_READY;
-  
+
   /* Return function status */
   return HAL_OK;
 }
 
 /**
   * @brief  DeInitializes the RNG peripheral. 
-  * @param  hrng: RNG handle
+  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
+  *                the configuration information for RNG.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RNG_DeInit(RNG_HandleTypeDef *hrng)
@@ -168,7 +172,8 @@
 
 /**
   * @brief  Initializes the RNG MSP.
-  * @param  hrng: RNG handle
+  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
+  *                the configuration information for RNG.
   * @retval None
   */
 __weak void HAL_RNG_MspInit(RNG_HandleTypeDef *hrng)
@@ -180,7 +185,8 @@
 
 /**
   * @brief  DeInitializes the RNG MSP.
-  * @param  hrng: RNG handle
+  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
+  *                the configuration information for RNG.
   * @retval None
   */
 __weak void HAL_RNG_MspDeInit(RNG_HandleTypeDef *hrng)
@@ -215,7 +221,8 @@
   * @brief  Returns a 32-bit random number.
   * @note   Each time the random number data is read the RNG_FLAG_DRDY flag 
   *         is automatically cleared.
-  * @param  hrng: RNG handle
+  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
+  *                the configuration information for RNG.
   * @retval 32-bit random number
   */
 uint32_t HAL_RNG_GetRandomNumber(RNG_HandleTypeDef *hrng)
@@ -249,7 +256,8 @@
 
 /**
   * @brief  Returns a 32-bit random number with interrupt enabled.
-  * @param  hrng: RNG handle
+  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
+  *                the configuration information for RNG.
   * @retval 32-bit random number
   */
 uint32_t HAL_RNG_GetRandomNumber_IT(RNG_HandleTypeDef *hrng)
@@ -286,13 +294,14 @@
   *         not have enough entropy. In this case, it is recommended to clear the 
   *         SEIS bit using __HAL_RNG_CLEAR_FLAG(), then disable and enable 
   *         the RNG peripheral to reinitialize and restart the RNG.
-  * @param  hrng: RNG handle
+  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
+  *                the configuration information for RNG.
   * @retval None
 
   */
 void HAL_RNG_IRQHandler(RNG_HandleTypeDef *hrng)
 {
-  /* RNG clock error interrupt occured */
+  /* RNG clock error interrupt occurred */
   if(__HAL_RNG_GET_FLAG(hrng, RNG_IT_CEI) != RESET)
   { 
     HAL_RNG_ErrorCallback(hrng);
@@ -307,7 +316,7 @@
     __HAL_UNLOCK(hrng);
   }
   
-  /* RNG seed error interrupt occured */
+  /* RNG seed error interrupt occurred */
   if(__HAL_RNG_GET_FLAG(hrng, RNG_IT_SEI) != RESET)
   { 
     HAL_RNG_ErrorCallback(hrng);
@@ -341,7 +350,8 @@
 
 /**
   * @brief  Data Ready callback in non-blocking mode. 
-  * @param  hrng: RNG handle
+  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
+  *                the configuration information for RNG.
   * @retval None
   */
 
@@ -354,7 +364,8 @@
 
 /**
   * @brief  RNG error callbacks.
-  * @param  hrng: RNG handle
+  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
+  *                the configuration information for RNG.
   * @retval None
   */
 __weak void HAL_RNG_ErrorCallback(RNG_HandleTypeDef *hrng)
@@ -385,7 +396,8 @@
 
 /**
   * @brief  Returns the RNG state.
-  * @param  hrng: RNG handle
+  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
+  *                the configuration information for RNG.
   * @retval HAL state
   */
 HAL_RNG_StateTypeDef HAL_RNG_GetState(RNG_HandleTypeDef *hrng)