mbed-os/targets/TARGET_NUVOTON/TARGET_NANO100/device/StdDriver/nano100_wwdt.c

67 lines
2.1 KiB
C

/**************************************************************************//**
* @file wwdt.c
* @version V1.00
* $Revision: 3 $
* $Date: 14/08/29 7:57p $
* @brief Nano100 series WWDT driver source file
*
* @note
* Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "Nano100Series.h"
/** @addtogroup NANO100_Device_Driver NANO100 Device Driver
@{
*/
/** @addtogroup NANO100_WWDT_Driver WWDT Driver
@{
*/
/** @addtogroup NANO100_WWDT_EXPORTED_FUNCTIONS WWDT Exported Functions
@{
*/
/**
* @brief This function make WWDT module start counting with different counter period and compared window value
* @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 Window compared value. Valid values are between 0x0 to 0x3F
* @param[in] u32EnableInt Enable WWDT interrupt or not. Valid values are TRUE and FALSE
* @return None
* @note Application can call this function can only once after boot up
*/
void WWDT_Open(uint32_t u32PreScale, uint32_t u32CmpValue, uint32_t u32EnableInt)
{
WWDT->IER = u32EnableInt;
WWDT->CR = u32PreScale | (u32CmpValue << WWDT_CR_WINCMP_Pos) | WWDT_CR_WWDTEN_Msk;
return;
}
/*@}*/ /* end of group NANO100_WDT_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group NANO100_WDT_Driver */
/*@}*/ /* end of group NANO100_Device_Driver */
/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/