157 lines
5.0 KiB
C
157 lines
5.0 KiB
C
/**
|
||
****************************************************************************************************
|
||
* @file fm33lg0xx_fl_iwdt.c
|
||
* @author FMSH Application Team
|
||
* @brief Src file of IWDT FL Module
|
||
****************************************************************************************************
|
||
* @attention
|
||
*
|
||
* Copyright (c) [2021] [Fudan Microelectronics]
|
||
* THIS SOFTWARE is licensed under Mulan PSL v2.
|
||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||
* You may obtain a copy of Mulan PSL v2 at:
|
||
* http://license.coscl.org.cn/MulanPSL2
|
||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||
* See the Mulan PSL v2 for more details.
|
||
*
|
||
****************************************************************************************************
|
||
*/
|
||
/* Includes ------------------------------------------------------------------*/
|
||
#include "fm33lg0xx_fl.h"
|
||
|
||
/** @addtogroup FM33LG0XX_FL_Driver
|
||
* @{
|
||
*/
|
||
|
||
/** @addtogroup IWDT
|
||
* @{
|
||
*/
|
||
|
||
#ifdef FL_IWDT_DRIVER_ENABLED
|
||
|
||
/* Private macros ------------------------------------------------------------*/
|
||
/** @addtogroup IWDT_FL_Private_Macros
|
||
* @{
|
||
*/
|
||
#define IS_IWDT_INSTANCE(INTANCE) ((INTANCE) == IWDT)
|
||
|
||
#define IS_FL_IWDT_WINDOWSVEL(__VALUE__) ((__VALUE__) < 0xFFF)
|
||
|
||
#define IS_FL_IWDT_OVERFLOWPERIOD(__VALUE__) (((__VALUE__) == FL_IWDT_PERIOD_125MS)||\
|
||
((__VALUE__) == FL_IWDT_PERIOD_250MS)||\
|
||
((__VALUE__) == FL_IWDT_PERIOD_500MS)||\
|
||
((__VALUE__) == FL_IWDT_PERIOD_1000MS)||\
|
||
((__VALUE__) == FL_IWDT_PERIOD_2000MS)||\
|
||
((__VALUE__) == FL_IWDT_PERIOD_4000MS)||\
|
||
((__VALUE__) == FL_IWDT_PERIOD_8000MS)||\
|
||
((__VALUE__) == FL_IWDT_PERIOD_16000MS))
|
||
/**
|
||
* @}
|
||
*/
|
||
|
||
/* Exported functions --------------------------------------------------------*/
|
||
/** @addtogroup IWDT_FL_EF_Init
|
||
* @{
|
||
*/
|
||
|
||
/**
|
||
* @brief 复位IWDT外设
|
||
*
|
||
* @note 此函数只能用于配制前复位外设，因为IWDT开启后不可以关闭
|
||
*
|
||
* @param IWDTx 外设入口地址
|
||
*
|
||
* @retval FL_ErrorStatus枚举值
|
||
* -FL_PASS 配置成功
|
||
* -FL_FAIL 配置过程发生错误
|
||
*/
|
||
FL_ErrorStatus FL_IWDT_DeInit(IWDT_Type *IWDTx)
|
||
{
|
||
assert_param(IS_IWDT_INSTANCE(IWDTx));
|
||
return FL_PASS;
|
||
}
|
||
/**
|
||
* @brief 根据 IWDT_InitStruct 初始化对应外设的寄存器值.
|
||
*
|
||
* @note IWTD使能后将无法关闭，直到下一次芯片复位
|
||
*
|
||
* @param IWDTx 外设入口地址
|
||
* @param IWDT_InitStruct 是 @ref FL_IWDT_InitTypeDef结构体，它包含指定IWDT外设的配置信息
|
||
*
|
||
* @retval ErrorStatus枚举值
|
||
* -FL_PASS 配置成功
|
||
* -FL_FAIL 配置过程发生错误
|
||
*/
|
||
FL_ErrorStatus FL_IWDT_Init(IWDT_Type *IWDTx, FL_IWDT_InitTypeDef *IWDT_InitStruct)
|
||
{
|
||
uint32_t i = 0;
|
||
FL_ErrorStatus status = FL_PASS;
|
||
uint32_t iwdtCounter = 0;
|
||
/* 入口参数检查 */
|
||
assert_param(IS_IWDT_INSTANCE(IWDTx));
|
||
assert_param(IS_FL_IWDT_WINDOWSVEL(IWDT_InitStruct->iwdtWindows));
|
||
assert_param(IS_FL_IWDT_OVERFLOWPERIOD(IWDT_InitStruct->overflowPeriod));
|
||
/* 开启总线时钟 */
|
||
FL_CMU_EnableGroup1BusClock(FL_CMU_GROUP1_BUSCLK_IWDT);
|
||
/* 启动看门狗 */
|
||
FL_IWDT_ReloadCounter(IWDTx);
|
||
/* 配置独立看门狗溢出周期 */
|
||
FL_IWDT_SetPeriod(IWDTx, IWDT_InitStruct->overflowPeriod);
|
||
|
||
iwdtCounter = FL_IWDT_ReadCounter(IWDTx);
|
||
/* 窗口功能延时 */
|
||
if(IWDT_InitStruct->iwdtWindows != 0)
|
||
{
|
||
if(iwdtCounter == 0)
|
||
{
|
||
while((FL_IWDT_ReadCounter(IWDTx) != 1) && (i++ < 500))
|
||
{
|
||
|
||
}
|
||
}
|
||
else
|
||
{
|
||
while((FL_IWDT_ReadCounter(IWDTx) != 0) && (i++ < 500))
|
||
{
|
||
|
||
}
|
||
}
|
||
}
|
||
|
||
/* 配置独立看门狗清狗窗口*/
|
||
FL_IWDT_WriteWindow(IWDTx, IWDT_InitStruct->iwdtWindows);
|
||
return status;
|
||
}
|
||
/**
|
||
* @brief 设置 IWDT_InitStruct 为默认配置
|
||
*
|
||
* @param IWDT_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_IWDT_InitTypeDef 结构体
|
||
*
|
||
* @retval None
|
||
*/
|
||
void FL_IWDT_StructInit(FL_IWDT_InitTypeDef *IWDT_InitStruct)
|
||
{
|
||
/* 默认不使用窗口 */
|
||
IWDT_InitStruct->iwdtWindows = 0;
|
||
/*最长溢出时间*/
|
||
IWDT_InitStruct->overflowPeriod = FL_IWDT_PERIOD_500MS;
|
||
}
|
||
|
||
/**
|
||
* @}
|
||
*/
|
||
|
||
#endif /* FL_IWDT_DRIVER_ENABLED */
|
||
|
||
/**
|
||
* @}
|
||
*/
|
||
|
||
/**
|
||
* @}
|
||
*/
|
||
|
||
/*************************(C) COPYRIGHT Fudan Microelectronics **** END OF FILE*************************/
|