70 lines
2.8 KiB
C
70 lines
2.8 KiB
C
/**************************************************************************//**
|
|
* @file ewdt.c
|
|
* @version V3.00
|
|
* @brief Extra Watchdog Timer(EWDT) 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 EWDT_Driver EWDT Driver
|
|
@{
|
|
*/
|
|
|
|
/** @addtogroup EWDT_EXPORTED_FUNCTIONS EWDT Exported Functions
|
|
@{
|
|
*/
|
|
|
|
/**
|
|
* @brief Initialize EWDT and start counting
|
|
*
|
|
* @param[in] u32TimeoutInterval Time-out interval period of EWDT module. Valid values are:
|
|
* - \ref EWDT_TIMEOUT_2POW4
|
|
* - \ref EWDT_TIMEOUT_2POW6
|
|
* - \ref EWDT_TIMEOUT_2POW8
|
|
* - \ref EWDT_TIMEOUT_2POW10
|
|
* - \ref EWDT_TIMEOUT_2POW12
|
|
* - \ref EWDT_TIMEOUT_2POW14
|
|
* - \ref EWDT_TIMEOUT_2POW16
|
|
* - \ref EWDT_TIMEOUT_2POW18
|
|
* - \ref EWDT_TIMEOUT_2POW20
|
|
* @param[in] u32ResetDelay Configure EWDT time-out reset delay period. Valid values are:
|
|
* - \ref EWDT_RESET_DELAY_1026CLK
|
|
* - \ref EWDT_RESET_DELAY_130CLK
|
|
* - \ref EWDT_RESET_DELAY_18CLK
|
|
* - \ref EWDT_RESET_DELAY_3CLK
|
|
* @param[in] u32EnableReset Enable EWDT time-out reset system function. Valid values are TRUE and FALSE.
|
|
* @param[in] u32EnableWakeup Enable EWDT time-out wake-up system function. Valid values are TRUE and FALSE.
|
|
*
|
|
* @return None
|
|
*
|
|
* @details This function makes EWDT module start counting with different time-out interval, reset delay period and choose to \n
|
|
* enable or disable EWDT time-out reset system or wake-up system.
|
|
* @note Please make sure that Register Write-Protection Function has been disabled before using this function.
|
|
*/
|
|
void EWDT_Open(uint32_t u32TimeoutInterval,
|
|
uint32_t u32ResetDelay,
|
|
uint32_t u32EnableReset,
|
|
uint32_t u32EnableWakeup)
|
|
{
|
|
EWDT->ALTCTL = u32ResetDelay;
|
|
|
|
EWDT->CTL = u32TimeoutInterval | EWDT_CTL_WDTEN_Msk |
|
|
(u32EnableReset << EWDT_CTL_RSTEN_Pos) |
|
|
(u32EnableWakeup << EWDT_CTL_WKEN_Pos);
|
|
|
|
while((EWDT->CTL & EWDT_CTL_SYNC_Msk) == EWDT_CTL_SYNC_Msk) {} /* Wait enable WDTEN bit completed, it needs 2 * EWDT_CLK. */
|
|
}
|
|
|
|
/**@}*/ /* end of group EWDT_EXPORTED_FUNCTIONS */
|
|
|
|
/**@}*/ /* end of group EWDT_Driver */
|
|
|
|
/**@}*/ /* end of group Standard_Driver */
|