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/*************************************************************************************
* Copyright (C) 2017, Huada Semiconductor Co.,Ltd All rights reserved.
*
* This software is owned and published by:
* Huada Semiconductor Co.,Ltd ("HDSC").
*
* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
*
* This software contains source code for use with HDSC
* components. This software is licensed by HDSC to be adapted only
* for use in systems utilizing HDSC components. HDSC shall not be
* responsible for misuse or illegal use of this software for devices not
* supported herein. HDSC is providing this software "AS IS" and will
* not be responsible for issues arising from incorrect user implementation
* of the software.
*
* Disclaimer:
* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
* WARRANTY OF NONINFRINGEMENT.
* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
* SAVINGS OR PROFITS,
* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
* FROM, THE SOFTWARE.
*
* This software may be replicated in part or whole for the licensed use,
* with the restriction that this Disclaimer and Copyright notice must be
* included with each copy of this software, whether used in part or whole,
* at all times.
*/
/******************************************************************************/
/** \file wdt.c
**
** WDT function driver API.
** @link WdtGroup Some description @endlink
**
** - 2017-05-17 1.0 CJ First version for Device Driver Library of Module.
**
******************************************************************************/
/******************************************************************************/
/* Include files */
/******************************************************************************/
#include "wdt.h"
/**
******************************************************************************
** \defgroup WdtGroup
**
******************************************************************************/
//@{
/******************************************************************************/
/* Local function prototypes ('static') */
/******************************************************************************/
static func_ptr_t pfnWdtCallback = NULL;
/**
******************************************************************************
** \brief WDT溢出时间设置函数
**
** \param [in] u8LoadValue 溢出时间
**
** \retval 无
**
******************************************************************************/
void Wdt_WriteWdtLoad(uint8_t u8LoadValue)
{
M0P_WDT->CON_f.WOV = u8LoadValue;
}
/**
******************************************************************************
** \brief WDT初始化函数
**
** \param [in] stcConfig 初始化结构
**
** \retval Ok
**
******************************************************************************/
en_result_t Wdt_Init(stc_wdt_config_t* pstcConfig)
{
en_result_t enRet = Error;
ASSERT(NULL != pstcConfig);
Wdt_WriteWdtLoad(pstcConfig->u8LoadValue);
pfnWdtCallback = pstcConfig->pfnWdtIrqCb;
M0P_WDT->CON_f.WINT_EN = pstcConfig->enResetEnable;
if(pstcConfig->enResetEnable)
{
EnableNvic(WDT_IRQn,IrqLevel3,TRUE);
}
enRet = Ok;
return enRet;
}
/**
******************************************************************************
** \brief WDT复位及启动函数
**
** \param [in] 无
**
** \retval Ok
**
******************************************************************************/
en_result_t Wdt_Start(void)
{
en_result_t enRet = Error;
M0P_WDT->RST = 0x1E;
M0P_WDT->RST = 0xE1;
enRet = Ok;
return enRet;
}
/**
******************************************************************************
** \brief WDT复位及启动函数
**
** \param [in] 无
**
** \retval Ok
**
******************************************************************************/
void Wdt_Feed(void)
{
M0P_WDT->RST = 0x1E;
M0P_WDT->RST = 0xE1;
}
/**
******************************************************************************
** \brief WDT读取当前计数值函数
**
** \param [in] 无
**
** \retval 计数值
**
******************************************************************************/
uint8_t Wdt_ReadWdtValue(void)
{
uint8_t u8Count;
u8Count = M0P_WDT->CON_f.WCNTL;
return u8Count;
}
/**
******************************************************************************
** \brief WDT读取当前运行状态
**
** \param [in] 无
**
** \retval 状态值
**
******************************************************************************/
uint8_t Wdt_ReadwdtStatus(void)
{
return M0P_WDT->CON_f.WDTR;
}
/**
******************************************************************************
** \brief WDT中断处理函数
**
** \param [in] 无
**
** \retval 无
**
******************************************************************************/
void Wdt_IRQHandler(void)
{
if(M0P_WDT->CON_f.WDINT)
{
Wdt_Start();//clr wdt 标记
if(NULL != pfnWdtCallback)
{
pfnWdtCallback();
}
}
}
//@} // WdtGroup
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