mbed-os/targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_wdt.c

67 lines
2.2 KiB
C

/**************************************************************************//**
* @file wdt.c
* @version V1.00
* $Revision: 9 $
* $Date: 15/11/12 9:49a $
* @brief NUC472/NUC442 WDT driver source file
*
* @note
* Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "NUC472_442.h"
/** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver
@{
*/
/** @addtogroup NUC472_442_WDT_Driver WDT Driver
@{
*/
/** @addtogroup NUC472_442_WDT_EXPORTED_FUNCTIONS WDT Exported Functions
@{
*/
/**
* @brief This function make WDT module start counting with different time-out interval
* @param[in] u32TimeoutInterval Time-out interval period of WDT module. Valid values are:
* - \ref WDT_TIMEOUT_2POW4
* - \ref WDT_TIMEOUT_2POW6
* - \ref WDT_TIMEOUT_2POW8
* - \ref WDT_TIMEOUT_2POW10
* - \ref WDT_TIMEOUT_2POW12
* - \ref WDT_TIMEOUT_2POW14
* - \ref WDT_TIMEOUT_2POW16
* - \ref WDT_TIMEOUT_2POW18
* @param[in] u32ResetDelay Reset delay period while WDT time-out happened. Valid values are:
* - \ref WDT_RESET_DELAY_3CLK
* - \ref WDT_RESET_DELAY_18CLK
* - \ref WDT_RESET_DELAY_130CLK
* - \ref WDT_RESET_DELAY_1026CLK
* @param[in] u32EnableReset Enable WDT rest system function. Valid values are \ref TRUE and \ref FALSE
* @param[in] u32EnableWakeup Enable WDT wake-up system function. Valid values are \ref TRUE and \ref FALSE
* @return None
*/
void WDT_Open(uint32_t u32TimeoutInterval,
uint32_t u32ResetDelay,
uint32_t u32EnableReset,
uint32_t u32EnableWakeup)
{
WDT->CTL = u32TimeoutInterval | WDT_CTL_WDTEN_Msk |
(u32EnableReset << WDT_CTL_RSTEN_Pos) |
(u32EnableWakeup << WDT_CTL_WKEN_Pos);
WDT->ALTCTL = u32ResetDelay;
return;
}
/*@}*/ /* end of group NUC472_442_WDT_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group NUC472_442_WDT_Driver */
/*@}*/ /* end of group NUC472_442_Device_Driver */
/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/