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/**************************************************************************//**
* @file ewwdt.c
* @version V3.00
* @brief Extra Window Watchdog Timer(EWWDT) driver source file
*
* @copyright SPDX-License-Identifier: Apache-2.0
* @copyright Copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "NuMicro.h"
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup EWWDT_Driver EWWDT Driver
@{
*/
/** @addtogroup EWWDT_EXPORTED_FUNCTIONS EWWDT Exported Functions
@{
*/
/**
* @brief Open EWWDT and start counting
*
* @param[in] u32PreScale Pre-scale setting of EWWDT counter. Valid values are:
* - \ref EWWDT_PRESCALER_1
* - \ref EWWDT_PRESCALER_2
* - \ref EWWDT_PRESCALER_4
* - \ref EWWDT_PRESCALER_8
* - \ref EWWDT_PRESCALER_16
* - \ref EWWDT_PRESCALER_32
* - \ref EWWDT_PRESCALER_64
* - \ref EWWDT_PRESCALER_128
* - \ref EWWDT_PRESCALER_192
* - \ref EWWDT_PRESCALER_256
* - \ref EWWDT_PRESCALER_384
* - \ref EWWDT_PRESCALER_512
* - \ref EWWDT_PRESCALER_768
* - \ref EWWDT_PRESCALER_1024
* - \ref EWWDT_PRESCALER_1536
* - \ref EWWDT_PRESCALER_2048
* @param[in] u32CmpValue Setting the window compared value. Valid values are between 0x0 to 0x3F.
* @param[in] u32EnableInt Enable WWDT time-out interrupt function. Valid values are TRUE and FALSE.
*
* @return None
*
* @details This function makes EWWDT module start counting with different counter period by pre-scale setting and compared window value.
* @note Application can call this function only once after boot up.
*/
void EWWDT_Open(uint32_t u32PreScale,
uint32_t u32CmpValue,
uint32_t u32EnableInt)
{
EWWDT->CTL = u32PreScale |
(u32CmpValue << EWWDT_CTL_CMPDAT_Pos) |
((u32EnableInt == (uint32_t)TRUE) ? EWWDT_CTL_INTEN_Msk : 0UL) |
EWWDT_CTL_WWDTEN_Msk;
}
/**@}*/ /* end of group EWWDT_EXPORTED_FUNCTIONS */
/**@}*/ /* end of group EWWDT_Driver */
/**@}*/ /* end of group Standard_Driver */
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