You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
3.4 KiB
113 lines
3.4 KiB
/**
|
|
********************************************************************************
|
|
* @file stm8s_iwdg.c
|
|
* @author MCD Application Team
|
|
* @version V2.2.0
|
|
* @date 30-September-2014
|
|
* @brief This file contains all the functions 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.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "stm8s_iwdg.h"
|
|
|
|
/* Private define ------------------------------------------------------------*/
|
|
/* Private macro -------------------------------------------------------------*/
|
|
/* Private variables ---------------------------------------------------------*/
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
/* Private functions ---------------------------------------------------------*/
|
|
/* Public functions ----------------------------------------------------------*/
|
|
|
|
/** @addtogroup IWDG_Public_Functions
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Enables or disables write access to Prescaler and Reload registers.
|
|
* @param IWDG_WriteAccess : New state of write access to Prescaler and Reload
|
|
* registers. This parameter can be a value of @ref IWDG_WriteAccess_TypeDef.
|
|
* @retval None
|
|
*/
|
|
void IWDG_WriteAccessCmd(IWDG_WriteAccess_TypeDef IWDG_WriteAccess)
|
|
{
|
|
/* Check the parameters */
|
|
assert_param(IS_IWDG_WRITEACCESS_MODE_OK(IWDG_WriteAccess));
|
|
|
|
IWDG->KR = (uint8_t)IWDG_WriteAccess; /* Write Access */
|
|
}
|
|
|
|
/**
|
|
* @brief Sets IWDG Prescaler value.
|
|
* @note Write access should be enabled
|
|
* @param IWDG_Prescaler : Specifies the IWDG Prescaler value.
|
|
* This parameter can be a value of @ref IWDG_Prescaler_TypeDef.
|
|
* @retval None
|
|
*/
|
|
void IWDG_SetPrescaler(IWDG_Prescaler_TypeDef IWDG_Prescaler)
|
|
{
|
|
/* Check the parameters */
|
|
assert_param(IS_IWDG_PRESCALER_OK(IWDG_Prescaler));
|
|
|
|
IWDG->PR = (uint8_t)IWDG_Prescaler;
|
|
}
|
|
|
|
/**
|
|
* @brief Sets IWDG Reload value.
|
|
* @note Write access should be enabled
|
|
* @param IWDG_Reload : Reload register value.
|
|
* This parameter must be a number between 0 and 0xFF.
|
|
* @retval None
|
|
*/
|
|
void IWDG_SetReload(uint8_t IWDG_Reload)
|
|
{
|
|
IWDG->RLR = IWDG_Reload;
|
|
}
|
|
|
|
/**
|
|
* @brief Reloads IWDG counter
|
|
* @note Write access should be enabled
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
void IWDG_ReloadCounter(void)
|
|
{
|
|
IWDG->KR = IWDG_KEY_REFRESH;
|
|
}
|
|
|
|
/**
|
|
* @brief Enables IWDG.
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
void IWDG_Enable(void)
|
|
{
|
|
IWDG->KR = IWDG_KEY_ENABLE;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
|
|