stm32f4xx_ll_iwdg.h

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/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32F4xx_LL_IWDG_H
#define STM32F4xx_LL_IWDG_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"

 
#if defined(IWDG)

 
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
 
/* Private constants ---------------------------------------------------------*/
#define LL_IWDG_KEY_RELOAD                 0x0000AAAAU               
#define LL_IWDG_KEY_ENABLE                 0x0000CCCCU               
#define LL_IWDG_KEY_WR_ACCESS_ENABLE       0x00005555U               
#define LL_IWDG_KEY_WR_ACCESS_DISABLE      0x00000000U               
 
/* Private macros ------------------------------------------------------------*/
 
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/

#define LL_IWDG_SR_PVU                     IWDG_SR_PVU                           
#define LL_IWDG_SR_RVU                     IWDG_SR_RVU                           

#define LL_IWDG_PRESCALER_4                0x00000000U                           
#define LL_IWDG_PRESCALER_8                (IWDG_PR_PR_0)                        
#define LL_IWDG_PRESCALER_16               (IWDG_PR_PR_1)                        
#define LL_IWDG_PRESCALER_32               (IWDG_PR_PR_1 | IWDG_PR_PR_0)         
#define LL_IWDG_PRESCALER_64               (IWDG_PR_PR_2)                        
#define LL_IWDG_PRESCALER_128              (IWDG_PR_PR_2 | IWDG_PR_PR_0)         
#define LL_IWDG_PRESCALER_256              (IWDG_PR_PR_2 | IWDG_PR_PR_1)         

 
/* Exported macro ------------------------------------------------------------*/


#define LL_IWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))

#define LL_IWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)

 
 
/* Exported functions --------------------------------------------------------*/

__STATIC_INLINE void LL_IWDG_Enable(IWDG_TypeDef *IWDGx)
{
  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_ENABLE);
}

__STATIC_INLINE void LL_IWDG_ReloadCounter(IWDG_TypeDef *IWDGx)
{
  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_RELOAD);
}

__STATIC_INLINE void LL_IWDG_EnableWriteAccess(IWDG_TypeDef *IWDGx)
{
  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
}

__STATIC_INLINE void LL_IWDG_DisableWriteAccess(IWDG_TypeDef *IWDGx)
{
  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
}

__STATIC_INLINE void LL_IWDG_SetPrescaler(IWDG_TypeDef *IWDGx, uint32_t Prescaler)
{
  WRITE_REG(IWDGx->PR, IWDG_PR_PR & Prescaler);
}

__STATIC_INLINE uint32_t LL_IWDG_GetPrescaler(const IWDG_TypeDef *IWDGx)
{
  return (READ_REG(IWDGx->PR));
}

__STATIC_INLINE void LL_IWDG_SetReloadCounter(IWDG_TypeDef *IWDGx, uint32_t Counter)
{
  WRITE_REG(IWDGx->RLR, IWDG_RLR_RL & Counter);
}

__STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter(const IWDG_TypeDef *IWDGx)
{
  return (READ_REG(IWDGx->RLR));
}



__STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_PVU(const IWDG_TypeDef *IWDGx)
{
  return ((READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU)) ? 1UL : 0UL);
}

__STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_RVU(const IWDG_TypeDef *IWDGx)
{
  return ((READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU)) ? 1UL : 0UL);
}

__STATIC_INLINE uint32_t LL_IWDG_IsReady(const IWDG_TypeDef *IWDGx)
{
  return ((READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU) == 0U) ? 1UL : 0UL);
}



 
#endif /* IWDG */

 
#ifdef __cplusplus
}
#endif
 
#endif /* STM32F4xx_LL_IWDG_H */