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69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/**************************************************************************//**
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* @file wwdt.c
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* @version V1.00
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* $Revision: 6 $
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* $Date: 14/10/02 7:19p $
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* @brief NUC472/NUC442 WWDT driver source file
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*
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* @note
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* Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#include "NUC472_442.h"
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/** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver
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@{
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*/
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/** @addtogroup NUC472_442_WWDT_Driver WWDT Driver
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@{
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*/
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/** @addtogroup NUC472_442_WWDT_EXPORTED_FUNCTIONS WWDT Exported Functions
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@{
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*/
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/**
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* @brief This function make WWDT module start counting with different counter period and compared window value
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* @param[in] u32PreScale Prescale period for the WWDT counter period. Valid values are:
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* - \ref WWDT_PRESCALER_1
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* - \ref WWDT_PRESCALER_2
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* - \ref WWDT_PRESCALER_4
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* - \ref WWDT_PRESCALER_8
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* - \ref WWDT_PRESCALER_16
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* - \ref WWDT_PRESCALER_32
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* - \ref WWDT_PRESCALER_64
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* - \ref WWDT_PRESCALER_128
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* - \ref WWDT_PRESCALER_192
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* - \ref WWDT_PRESCALER_256
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* - \ref WWDT_PRESCALER_384
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* - \ref WWDT_PRESCALER_512
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* - \ref WWDT_PRESCALER_768
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* - \ref WWDT_PRESCALER_1024
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* - \ref WWDT_PRESCALER_1536
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* - \ref WWDT_PRESCALER_2048
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* @param[in] u32CmpValue Window compared value. Valid values are between 0x0 to 0x3F
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* @param[in] u32EnableInt Enable WWDT interrupt or not. Valid values are \ref TRUE and \ref FALSE
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* @return None
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* @note Application can call this function can only once after boot up
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*/
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void WWDT_Open(uint32_t u32PreScale, uint32_t u32CmpValue, uint32_t u32EnableInt)
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{
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WWDT->CTL = u32PreScale |
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(u32CmpValue << WWDT_CTL_CMPDAT_Pos)|
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WWDT_CTL_WWDTEN_Msk |
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(u32EnableInt ? WWDT_CTL_INTEN_Msk : 0);
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return;
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}
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/*@}*/ /* end of group NUC472_442_WWDT_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group NUC472_442_WWDT_Driver */
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/*@}*/ /* end of group NUC472_442_Device_Driver */
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/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
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