rt-thread/bsp/nuvoton_m05x/Libraries/StdDriver/src/wdt.c

70 lines
2.5 KiB
C

/**************************************************************************//**
* @file wdt.c
* @version V3.00
* $Revision: 2 $
* $Date: 14/01/28 10:49a $
* @brief M051 series WDT driver source file
*
* @note
* Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "M051Series.h"
/** @addtogroup M051_Device_Driver M051 Device Driver
@{
*/
/** @addtogroup M051_WDT_Driver WDT Driver
@{
*/
/** @addtogroup M051_WDT_EXPORTED_FUNCTIONS WDT Exported Functions
@{
*/
/**
* @brief Initialize WDT counter and start counting
*
* @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 Configure reset delay period while WDT time-out happened. Valid values are:
* - \ref WDT_RESET_DELAY_1026CLK
* - \ref WDT_RESET_DELAY_130CLK
* - \ref WDT_RESET_DELAY_18CLK
* - \ref WDT_RESET_DELAY_3
* @param[in] u32EnableReset Enable WDT rest system function. Valid values are TRUE and FALSE.
* @param[in] u32EnableWakeup Enable WDT wake-up system function. Valid values are TRUE and FALSE.
*
* @return None
*
* @details This function make WDT module start counting with different time-out interval and reset delay period.
*/
void WDT_Open(uint32_t u32TimeoutInterval,
uint32_t u32ResetDelay,
uint32_t u32EnableReset,
uint32_t u32EnableWakeup)
{
WDT->WTCRALT = u32ResetDelay;
WDT->WTCR = u32TimeoutInterval | WDT_WTCR_WTE_Msk |
(u32EnableReset << WDT_WTCR_WTRE_Pos) |
(u32EnableWakeup << WDT_WTCR_WTWKE_Pos);
return;
}
/*@}*/ /* end of group M051_WDT_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group M051_WDT_Driver */
/*@}*/ /* end of group M051_Device_Driver */
/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/