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   * @author  MCD Application Team
   * @brief   Header file of IWDG LL module.
   ******************************************************************************
   * @attention
+  *
-  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
-  * Redistribution and use in source and binary forms, with or without modification,
+  * This software component is licensed by ST under BSD 3-Clause license,
-  * are permitted provided that the following conditions are met:
+  * the "License"; You may not use this file except in compliance with the
-  *   1. Redistributions of source code must retain the above copyright notice,
-  *      this list of conditions and the following disclaimer.
-  *   2. Redistributions in binary form must reproduce the above copyright notice,
-  *      this list of conditions and the following disclaimer in the documentation
-  *      and/or other materials provided with the distribution.
+  * License. You may obtain a copy of the License at:
-  *   3. Neither the name of STMicroelectronics nor the names of its contributors
-  *      may be used to endorse or promote products derived from this software
+  *                        opensource.org/licenses/BSD-3-Clause
-  *      without specific prior written permission.
-  *
-  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
   ******************************************************************************
   */
 /* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __STM32F1xx_LL_IWDG_H
+#ifndef STM32F1xx_LL_IWDG_H
-#define __STM32F1xx_LL_IWDG_H
+#define STM32F1xx_LL_IWDG_H
 #ifdef __cplusplus
 extern "C" {
 #endif
 /* Private constants ---------------------------------------------------------*/
 /** @defgroup IWDG_LL_Private_Constants IWDG Private Constants
   * @{
   */
 #define LL_IWDG_KEY_RELOAD                 0x0000AAAAU               /*!< IWDG Reload Counter Enable   */
 #define LL_IWDG_KEY_ENABLE                 0x0000CCCCU               /*!< IWDG Peripheral Enable       */
 #define LL_IWDG_KEY_WR_ACCESS_ENABLE       0x00005555U               /*!< IWDG KR Write Access Enable  */
 #define LL_IWDG_KEY_WR_ACCESS_DISABLE      0x00000000U               /*!< IWDG KR Write Access Disable */
 /**
   * @}
   */
 /* Private macros ------------------------------------------------------------*/
   * @brief    Flags defines which can be used with LL_IWDG_ReadReg function
   * @{
   */
 #define LL_IWDG_SR_PVU                     IWDG_SR_PVU                           /*!< Watchdog prescaler value update */
 #define LL_IWDG_SR_RVU                     IWDG_SR_RVU                           /*!< Watchdog counter reload value update */
 /**
   * @}
   */
 /** @defgroup IWDG_LL_EC_PRESCALER  Prescaler Divider
   * @param  IWDGx IWDG Instance
   * @retval None
   */
 __STATIC_INLINE void LL_IWDG_Enable(IWDG_TypeDef *IWDGx)
+{
-  WRITE_REG(IWDG->KR, LL_IWDG_KEY_ENABLE);
+  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_ENABLE);
+}
 /**
   * @brief  Reloads IWDG counter with value defined in the reload register
   * @rmtoll KR           KEY           LL_IWDG_ReloadCounter
   * @param  IWDGx IWDG Instance
   * @retval None
   */
 __STATIC_INLINE void LL_IWDG_ReloadCounter(IWDG_TypeDef *IWDGx)
+{
-  WRITE_REG(IWDG->KR, LL_IWDG_KEY_RELOAD);
+  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_RELOAD);
+}
 /**
   * @brief  Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
   * @rmtoll KR           KEY           LL_IWDG_EnableWriteAccess
   * @param  IWDGx IWDG Instance
   * @retval None
   */
 __STATIC_INLINE void LL_IWDG_EnableWriteAccess(IWDG_TypeDef *IWDGx)
+{
-  WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
+  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
+}
 /**
   * @brief  Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
   * @rmtoll KR           KEY           LL_IWDG_DisableWriteAccess
   * @param  IWDGx IWDG Instance
   * @retval None
   */
 __STATIC_INLINE void LL_IWDG_DisableWriteAccess(IWDG_TypeDef *IWDGx)
+{
-  WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
+  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
+}
 /**
   * @brief  Select the prescaler of the IWDG
   * @rmtoll PR           PR            LL_IWDG_SetPrescaler
   *         @arg @ref LL_IWDG_PRESCALER_128
   *         @arg @ref LL_IWDG_PRESCALER_256
   */
 __STATIC_INLINE uint32_t LL_IWDG_GetPrescaler(IWDG_TypeDef *IWDGx)
+{
-  return (uint32_t)(READ_REG(IWDGx->PR));
+  return (READ_REG(IWDGx->PR));
+}
 /**
   * @brief  Specify the IWDG down-counter reload value
   * @rmtoll RLR          RL            LL_IWDG_SetReloadCounter
   * @param  IWDGx IWDG Instance
   * @retval Value between Min_Data=0 and Max_Data=0x0FFF
   */
 __STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter(IWDG_TypeDef *IWDGx)
+{
-  return (uint32_t)(READ_REG(IWDGx->RLR));
+  return (READ_REG(IWDGx->RLR));
+}
 /**
   * @}
   * @param  IWDGx IWDG Instance
   * @retval State of bit (1 or 0).
   */
 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_PVU(IWDG_TypeDef *IWDGx)
+{
-  return (READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU));
+  return ((READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU)) ? 1UL : 0UL);
+}
 /**
   * @brief  Check if flag Reload Value Update is set or not
   * @rmtoll SR           RVU           LL_IWDG_IsActiveFlag_RVU
   * @param  IWDGx IWDG Instance
   * @retval State of bit (1 or 0).
   */
 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_RVU(IWDG_TypeDef *IWDGx)
+{
-  return (READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU));
+  return ((READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU)) ? 1UL : 0UL);
+}
 /**
-  * @brief  Check if all flags Prescaler, Reload & Window Value Update are reset or not
+  * @brief  Check if flags Prescaler & Reload Value Update are reset or not
   * @rmtoll SR           PVU           LL_IWDG_IsReady\n
   *         SR           RVU           LL_IWDG_IsReady
   * @param  IWDGx IWDG Instance
   * @retval State of bits (1 or 0).
   */
 __STATIC_INLINE uint32_t LL_IWDG_IsReady(IWDG_TypeDef *IWDGx)
+{
-  return (READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU) == 0U);
+  return ((READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU) == 0U) ? 1UL : 0UL);
+}
 /**
   * @}
   */
 /**
   * @}
   */
-#endif /* IWDG) */
+#endif /* IWDG */
 /**
   * @}
   */
 #ifdef __cplusplus
+}
 #endif
-#endif /* __STM32F1xx_LL_IWDG_H */
+#endif /* STM32F1xx_LL_IWDG_H */
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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(root)/trunk/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_ll_iwdg.h – Rev 2 → 9