/**
|
******************************************************************************
|
* @file stm8s_iwdg.h
|
* @author MCD Application Team
|
* @version V2.3.0
|
* @date 16-June-2017
|
* @brief This file contains all functions prototypes and macros for the IWDG peripheral.
|
******************************************************************************
|
* @attention
|
*
|
* <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
|
*
|
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
|
* You may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at:
|
*
|
* http://www.st.com/software_license_agreement_liberty_v2
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*
|
******************************************************************************
|
*/
|
|
/* Define to prevent recursive inclusion -------------------------------------*/
|
#ifndef __STM8S_IWDG_H
|
#define __STM8S_IWDG_H
|
|
/* Includes ------------------------------------------------------------------*/
|
#include "stm8s.h"
|
|
/** @addtogroup STM8S_StdPeriph_Driver
|
* @{
|
*/
|
|
/** @addtogroup IWDG_Private_Define
|
* @{
|
*/
|
|
/**
|
* @brief Define used to prevent watchdog reset
|
*/
|
#define IWDG_KEY_REFRESH ((uint8_t)0xAA) /*!< This value written in the Key register prevent the watchdog reset */
|
|
/**
|
* @brief Define used to start the watchdog counter down
|
*/
|
#define IWDG_KEY_ENABLE ((uint8_t)0xCC) /*!< This value written in the Key register start the watchdog counting down*/
|
|
/**
|
* @}
|
*/
|
|
/** @addtogroup IWDG_Private_Macros
|
* @{
|
*/
|
|
/**
|
* @brief Macro used by the assert function in order to check the different
|
* values of the prescaler.
|
*/
|
#define IS_IWDG_PRESCALER_OK(VALUE) (((VALUE) == IWDG_Prescaler_4 ) || \
|
((VALUE) == IWDG_Prescaler_8 ) || \
|
((VALUE) == IWDG_Prescaler_16 ) || \
|
((VALUE) == IWDG_Prescaler_32 ) || \
|
((VALUE) == IWDG_Prescaler_64 ) || \
|
((VALUE) == IWDG_Prescaler_128 ) || \
|
((VALUE) == IWDG_Prescaler_256))
|
|
/**
|
* @brief Macro used by the assert function in order to check the different
|
* values of the counter register.
|
*/
|
#define IS_IWDG_WRITEACCESS_MODE_OK(MODE) (((MODE) == IWDG_WriteAccess_Enable) || ((MODE) == IWDG_WriteAccess_Disable))
|
|
/**
|
* @}
|
*/
|
|
/** @addtogroup IWDG_Exported_Types
|
* @{
|
*/
|
|
/** IWDG write access enumeration */
|
typedef enum
|
{
|
IWDG_WriteAccess_Enable = (uint8_t)0x55, /*!< Code 0x55 in Key register, allow write access to Prescaler and Reload registers */
|
IWDG_WriteAccess_Disable = (uint8_t)0x00 /*!< Code 0x00 in Key register, not allow write access to Prescaler and Reload registers */
|
} IWDG_WriteAccess_TypeDef;
|
|
/** IWDG prescaler enumaration */
|
typedef enum
|
{
|
IWDG_Prescaler_4 = (uint8_t)0x00, /*!< Used to set prescaler register to 4 */
|
IWDG_Prescaler_8 = (uint8_t)0x01, /*!< Used to set prescaler register to 8 */
|
IWDG_Prescaler_16 = (uint8_t)0x02, /*!< Used to set prescaler register to 16 */
|
IWDG_Prescaler_32 = (uint8_t)0x03, /*!< Used to set prescaler register to 32 */
|
IWDG_Prescaler_64 = (uint8_t)0x04, /*!< Used to set prescaler register to 64 */
|
IWDG_Prescaler_128 = (uint8_t)0x05, /*!< Used to set prescaler register to 128 */
|
IWDG_Prescaler_256 = (uint8_t)0x06 /*!< Used to set prescaler register to 256 */
|
} IWDG_Prescaler_TypeDef;
|
|
/**
|
* @}
|
*/
|
|
/** @addtogroup IWDG_Exported_Functions
|
* @{
|
*/
|
|
void IWDG_WriteAccessCmd(IWDG_WriteAccess_TypeDef IWDG_WriteAccess);
|
void IWDG_SetPrescaler(IWDG_Prescaler_TypeDef IWDG_Prescaler);
|
void IWDG_SetReload(uint8_t IWDG_Reload);
|
void IWDG_ReloadCounter(void);
|
void IWDG_Enable(void);
|
|
/**
|
* @}
|
*/
|
|
#endif /* __STM8S_IWDG_H */
|
|
/**
|
* @}
|
*/
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
