mbed-os/targets/TARGET_NUVOTON/TARGET_NANO100/device/StdDriver/nano100_wwdt.h

126 lines
4.5 KiB
C

/**************************************************************************//**
* @file wwdt.h
* @version V1.00
* $Revision: 2 $
* $Date: 14/01/14 5:38p $
* @brief Nano100 series WWDT driver header file
*
* @note
* Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#ifndef __WWDT_H__
#define __WWDT_H__
#ifdef __cplusplus
extern "C"
{
#endif
/** @addtogroup NANO100_Device_Driver NANO100 Device Driver
@{
*/
/** @addtogroup NANO100_WWDT_Driver WWDT Driver
@{
*/
/** @addtogroup NANO100_WWDT_EXPORTED_CONSTANTS WWDT Exported Constants
@{
*/
#define WWDT_PRESCALER_1 (0UL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 1 */
#define WWDT_PRESCALER_2 (1UL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 2 */
#define WWDT_PRESCALER_4 (2UL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 4 */
#define WWDT_PRESCALER_8 (3UL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 8 */
#define WWDT_PRESCALER_16 (4UL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 16 */
#define WWDT_PRESCALER_32 (5UL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 32 */
#define WWDT_PRESCALER_64 (6UL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 64 */
#define WWDT_PRESCALER_128 (7UL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 128 */
#define WWDT_PRESCALER_192 (8UL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 192 */
#define WWDT_PRESCALER_256 (9UL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 256 */
#define WWDT_PRESCALER_384 (0xAUL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 384 */
#define WWDT_PRESCALER_512 (0xBUL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 512 */
#define WWDT_PRESCALER_768 (0xCUL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 768 */
#define WWDT_PRESCALER_1024 (0xDUL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 1024 */
#define WWDT_PRESCALER_1536 (0xEUL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 1536 */
#define WWDT_PRESCALER_2048 (0xFUL << WWDT_CR_PERIODSEL_Pos) /*!< WWDT setting prescaler to 2048 */
#define WWDT_RELOAD_WORD (0x00005AA5) /*!< Fill this value to RLD register to reload WWDT counter */
/*@}*/ /* end of group NANO100_WWDT_EXPORTED_CONSTANTS */
/** @addtogroup NANO100_WWDT_EXPORTED_FUNCTIONS WWDT Exported Functions
@{
*/
/**
* @brief This macro clear WWDT time-out reset system flag.
* @param None
* @return None
* \hideinitializer
*/
#define WWDT_CLEAR_RESET_FLAG() (WWDT->STS = WWDT_STS_RF_Msk)
/**
* @brief This macro clears WWDT compare match interrupt flag.
* @param None
* @return None
* \hideinitializer
*/
#define WWDT_CLEAR_INT_FLAG() (WWDT->STS = WWDT_STS_IF_Msk)
/**
* @brief This macro is use to get WWDT time-out reset system flag.
* @return WWDT reset system or not
* @retval 0 WWDT did not cause system reset
* @retval 1 WWDT caused system reset
* \hideinitializer
*/
#define WWDT_GET_RESET_FLAG() (WWDT->STS & WWDT_STS_RF_Msk ? 1 : 0)
/**
* @brief This macro is used to indicate WWDT compare match interrupt flag.
* @return WWDT compare match interrupt occurred or not
* @retval 0 WWDT compare match interrupt did not occur
* @retval 1 WWDT compare match interrupt occurred
* \hideinitializer
*/
#define WWDT_GET_INT_FLAG() (WWDT->STS & WWDT_STS_IF_Msk ? 1 : 0)
/**
* @brief This macro to reflects current WWDT counter value
* @param None
* @return Return current WWDT counter value
* \hideinitializer
*/
#define WWDT_GET_COUNTER() (WWDT->VAL)
/**
* @brief This macro is used to reload the WWDT counter value to 0x3F.
* @param None
* @return None
* @details After WWDT enabled, application must reload WWDT counter while
* current counter is less than compare value and larger than 0,
* otherwise WWDT will cause system reset.
* \hideinitializer
*/
#define WWDT_RELOAD_COUNTER() (WWDT->RLD = WWDT_RELOAD_WORD)
void WWDT_Open(uint32_t u32PreScale, uint32_t u32CmpValue, uint32_t u32EnableInt);
/*@}*/ /* end of group NANO100_WWDT_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group NANO100_WWDT_Driver */
/*@}*/ /* end of group NANO100_Device_Driver */
#ifdef __cplusplus
}
#endif
#endif //__WWDT_H__
/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/