70 lines
2.6 KiB
C
70 lines
2.6 KiB
C
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/**************************************************************************//**
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* @file wwdt.c
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* @version V3.00
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* @brief M480 series WWDT driver source file
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*
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* SPDX-License-Identifier: Apache-2.0
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* @copyright (C) 2016-2020 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#include "NuMicro.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 and start counting
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*
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* @param[in] u32PreScale Pre-scale setting of WWDT counter. 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 time-out 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 makes WWDT module start counting with different counter period by pre-scale setting and compared window value.
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* @note This WWDT_CTL register can be write only one time after chip is powered on or reset.
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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->CTL = u32PreScale |
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(u32CmpValue << WWDT_CTL_CMPDAT_Pos) |
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((u32EnableInt == TRUE) ? WWDT_CTL_INTEN_Msk : 0U) |
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WWDT_CTL_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 Standard_Driver */
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/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/
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