73 lines
2.7 KiB
C
73 lines
2.7 KiB
C
/**************************************************************************//**
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* @file wwdt.c
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* @version V3.00
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* $Revision: 8 $
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* $Date: 15/05/04 3:59p $
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* @brief WWDT driver source file
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*
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* @note
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* SPDX-License-Identifier: Apache-2.0
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* Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#include "NUC200Series.h"
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/** @addtogroup Standard_Driver Standard Driver
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@{
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*/
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/** @addtogroup WWDT_Driver WWDT Driver
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@{
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*/
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/** @addtogroup WWDT_EXPORTED_FUNCTIONS WWDT Exported Functions
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@{
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*/
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/**
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* @brief Open WWDT function to start counting
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*
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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 Setting the window compared value. Valid values are between 0x0 to 0x3F.
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* @param[in] u32EnableInt Enable WWDT interrupt function. Valid values are TRUE and FALSE.
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*
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* @return None
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*
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* @details This function make WWDT module start counting with different counter period and compared window value.
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* @note Application can call this function valid only once after boot up.
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*/
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void WWDT_Open(uint32_t u32PreScale,
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uint32_t u32CmpValue,
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uint32_t u32EnableInt)
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{
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WWDT->WWDTCR = u32PreScale |
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(u32CmpValue << WWDT_WWDTCR_WINCMP_Pos) |
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((u32EnableInt == TRUE) ? WWDT_WWDTCR_WWDTIE_Msk : 0) |
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WWDT_WWDTCR_WWDTEN_Msk;
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return;
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}
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/*@}*/ /* end of group WWDT_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group WWDT_Driver */
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/*@}*/ /* end of group Device_Driver */
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/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
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