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/**************************************************************************//**
* @file wwdt.c
* @version V3.00
* $Revision: 4 $
* $Date: 14/01/28 10:49a $
* @brief M051 series WWDT driver source file
*
* @note
* Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "M051Series.h"
/** @addtogroup M051_Device_Driver M051 Device Driver
@{
*/
/** @addtogroup M051_WWDT_Driver WWDT Driver
@{
*/
/** @addtogroup M051_WWDT_EXPORTED_FUNCTIONS WWDT Exported Functions
@{
*/
/**
* @brief Open WWDT function to start counting
*
* @param[in] u32PreScale Prescale period for the WWDT counter period. Valid values are:
* - \ref WWDT_PRESCALER_1
* - \ref WWDT_PRESCALER_2
* - \ref WWDT_PRESCALER_4
* - \ref WWDT_PRESCALER_8
* - \ref WWDT_PRESCALER_16
* - \ref WWDT_PRESCALER_32
* - \ref WWDT_PRESCALER_64
* - \ref WWDT_PRESCALER_128
* - \ref WWDT_PRESCALER_192
* - \ref WWDT_PRESCALER_256
* - \ref WWDT_PRESCALER_384
* - \ref WWDT_PRESCALER_512
* - \ref WWDT_PRESCALER_768
* - \ref WWDT_PRESCALER_1024
* - \ref WWDT_PRESCALER_1536
* - \ref WWDT_PRESCALER_2048
* @param[in] u32CmpValue Setting the window compared value. Valid values are between 0x0 to 0x3F.
* @param[in] u32EnableInt Enable WWDT interrupt function. Valid values are TRUE and FALSE.
*
* @return None
*
* @details This function make WWDT module start counting with different counter period and compared window value.
* @note Application can call this function only once after boot up.
*/
void WWDT_Open(uint32_t u32PreScale,
uint32_t u32CmpValue,
uint32_t u32EnableInt)
{
WWDT->WWDTCR = u32PreScale |
(u32CmpValue << WWDT_WWDTCR_WINCMP_Pos) |
((u32EnableInt == TRUE) ? WWDT_WWDTCR_WWDTIE_Msk : 0) |
WWDT_WWDTCR_WWDTEN_Msk;
return;
}
/*@}*/ /* end of group M051_WWDT_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group M051_WWDT_Driver */
/*@}*/ /* end of group M051_Device_Driver */
/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
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