91 lines
4.1 KiB
C
91 lines
4.1 KiB
C
/**************************************************************************//**
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* @file wdt.c
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* @version V3.00
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* @brief Watchdog Timer(WDT) driver source file
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*
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* @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of Nuvoton Technology Corp. nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 WDT_Driver WDT Driver
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@{
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*/
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/** @addtogroup WDT_EXPORTED_FUNCTIONS WDT Exported Functions
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@{
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*/
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/**
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* @brief Initialize WDT and start counting
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*
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* @param[in] u32TimeoutInterval Time-out interval period of WDT module. Valid values are:
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* - \ref WDT_TIMEOUT_2POW4
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* - \ref WDT_TIMEOUT_2POW6
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* - \ref WDT_TIMEOUT_2POW8
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* - \ref WDT_TIMEOUT_2POW10
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* - \ref WDT_TIMEOUT_2POW12
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* - \ref WDT_TIMEOUT_2POW14
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* - \ref WDT_TIMEOUT_2POW16
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* - \ref WDT_TIMEOUT_2POW18
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* @param[in] u32ResetDelay Configure WDT time-out reset delay period. Valid values are:
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* - \ref WDT_RESET_DELAY_1026CLK
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* - \ref WDT_RESET_DELAY_130CLK
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* - \ref WDT_RESET_DELAY_18CLK
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* - \ref WDT_RESET_DELAY_3CLK
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* @param[in] u32EnableReset Enable WDT time-out reset system function. Valid values are TRUE and FALSE.
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* @param[in] u32EnableWakeup Enable WDT time-out wake-up system 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 WDT module start counting with different time-out interval, reset delay period and choose to \n
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* enable or disable WDT time-out reset system or wake-up system.
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* @note Please make sure that Register Write-Protection Function has been disabled before using this function.
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*/
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void WDT_Open(uint32_t u32TimeoutInterval,
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uint32_t u32ResetDelay,
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uint32_t u32EnableReset,
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uint32_t u32EnableWakeup)
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{
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WDT->ALTCTL = u32ResetDelay;
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WDT->CTL = u32TimeoutInterval | WDT_CTL_WDTEN_Msk |
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(u32EnableReset << WDT_CTL_RSTEN_Pos) |
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(u32EnableWakeup << WDT_CTL_WKEN_Pos);
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}
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/*@}*/ /* end of group WDT_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group WDT_Driver */
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/*@}*/ /* end of group Standard_Driver */
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/*** (C) COPYRIGHT 2019 Nuvoton Technology Corp. ***/
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