fix interfaccia

codice/Drivers/STM32G4xx_HAL_Driver/Src/stm32g4xx_ll_rng.c

@@ -6,13 +6,12 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
-  * All rights reserved.</center></h2>
+  * Copyright (c) 2019 STMicroelectronics.
+  * All rights reserved.
   *
-  * This software component is licensed by ST under BSD 3-Clause license,
-  * the "License"; You may not use this file except in compliance with the
-  * License. You may obtain a copy of the License at:
-  *                        opensource.org/licenses/BSD-3-Clause
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
   *
   ******************************************************************************
   */
@@ -26,7 +25,7 @@
 #include "stm32_assert.h"
 #else
 #define assert_param(expr) ((void)0U)
-#endif
+#endif /* USE_FULL_ASSERT */
 
 /** @addtogroup STM32G4xx_LL_Driver
   * @{
@@ -42,7 +41,7 @@
 /* Private variables ---------------------------------------------------------*/
 /* Private constants ---------------------------------------------------------*/
 /* Private macros ------------------------------------------------------------*/
-/** @addtogroup RNG_LL_Private_Macros
+/** @defgroup RNG_LL_Private_Macros RNG Private Macros
   * @{
   */
 #define IS_LL_RNG_CED(__MODE__) (((__MODE__) == LL_RNG_CED_ENABLE) || \
@@ -71,14 +70,24 @@
   */
 ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx)
 {
+  ErrorStatus status = SUCCESS;
+
   /* Check the parameters */
   assert_param(IS_RNG_ALL_INSTANCE(RNGx));
-  /* Enable RNG reset state */
-  LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_RNG);
+  if (RNGx == RNG)
+  {
+    /* Enable RNG reset state */
+    LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_RNG);
 
-  /* Release RNG from reset state */
-  LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_RNG);
-  return (SUCCESS);
+    /* Release RNG from reset state */
+    LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_RNG);
+  }
+  else
+  {
+    status = ERROR;
+  }
+
+  return status;
 }
 
 /**
@@ -134,5 +143,3 @@ void LL_RNG_StructInit(LL_RNG_InitTypeDef *RNG_InitStruct)
 
 #endif /* USE_FULL_LL_DRIVER */
 
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-