/**************************************************************************//** | |
* @file wwdt.h | |
* @version V3.00 | |
* @brief Window Watchdog Timer(WWDT) driver header file | |
* | |
* @copyright (C) 2016 Nuvoton Technology Corp. All rights reserved. | |
*****************************************************************************/ | |
#ifndef __WWDT_H__ | |
#define __WWDT_H__ | |
#ifdef __cplusplus | |
extern "C" | |
{ | |
#endif | |
/** @addtogroup Standard_Driver Standard Driver | |
@{ | |
*/ | |
/** @addtogroup WWDT_Driver WWDT Driver | |
@{ | |
*/ | |
/** @addtogroup WWDT_EXPORTED_CONSTANTS WWDT Exported Constants | |
@{ | |
*/ | |
/*---------------------------------------------------------------------------------------------------------*/ | |
/* WWDT Prescale Period Constant Definitions */ | |
/*---------------------------------------------------------------------------------------------------------*/ | |
#define WWDT_PRESCALER_1 (0 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 1 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_2 (1 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 2 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_4 (2 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 4 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_8 (3 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 8 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_16 (4 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 16 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_32 (5 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 32 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_64 (6 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 64 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_128 (7 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 128 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_192 (8 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 192 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_256 (9 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 256 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_384 (10 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 384 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_512 (11 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 512 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_768 (12 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 768 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_1024 (13 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 1024 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_1536 (14 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 1536 * (64*WWDT_CLK) \hideinitializer */ | |
#define WWDT_PRESCALER_2048 (15 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 2048 * (64*WWDT_CLK) \hideinitializer */ | |
/*---------------------------------------------------------------------------------------------------------*/ | |
/* WWDT Reload Counter Keyword Constant Definitions */ | |
/*---------------------------------------------------------------------------------------------------------*/ | |
#define WWDT_RELOAD_WORD (0x00005AA5) /*!< Fill this value to WWDT_RLDCNT register to reload WWDT counter \hideinitializer */ | |
/*@}*/ /* end of group WWDT_EXPORTED_CONSTANTS */ | |
/** @addtogroup WWDT_EXPORTED_FUNCTIONS WWDT Exported Functions | |
@{ | |
*/ | |
/** | |
* @brief Clear WWDT Reset System Flag | |
* | |
* @param None | |
* | |
* @return None | |
* | |
* @details This macro is used to clear WWDT time-out reset system flag. | |
* \hideinitializer | |
*/ | |
#define WWDT_CLEAR_RESET_FLAG() (WWDT->STATUS = WWDT_STATUS_WWDTRF_Msk) | |
/** | |
* @brief Clear WWDT Compared Match Interrupt Flag | |
* | |
* @param None | |
* | |
* @return None | |
* | |
* @details This macro is used to clear WWDT compared match interrupt flag. | |
* \hideinitializer | |
*/ | |
#define WWDT_CLEAR_INT_FLAG() (WWDT->STATUS = WWDT_STATUS_WWDTIF_Msk) | |
/** | |
* @brief Get WWDT Reset System Flag | |
* | |
* @param None | |
* | |
* @retval 0 WWDT time-out reset system did not occur | |
* @retval 1 WWDT time-out reset system occurred | |
* | |
* @details This macro is used to indicate system has been reset by WWDT time-out reset or not. | |
* \hideinitializer | |
*/ | |
#define WWDT_GET_RESET_FLAG() ((WWDT->STATUS & WWDT_STATUS_WWDTRF_Msk)? 1 : 0) | |
/** | |
* @brief Get WWDT Compared Match Interrupt Flag | |
* | |
* @param None | |
* | |
* @retval 0 WWDT compare match interrupt did not occur | |
* @retval 1 WWDT compare match interrupt occurred | |
* | |
* @details This macro is used to indicate WWDT counter value matches CMPDAT value or not. | |
* \hideinitializer | |
*/ | |
#define WWDT_GET_INT_FLAG() ((WWDT->STATUS & WWDT_STATUS_WWDTIF_Msk)? 1 : 0) | |
/** | |
* @brief Get WWDT Counter | |
* | |
* @param None | |
* | |
* @return WWDT Counter Value | |
* | |
* @details This macro reflects the current WWDT counter value. | |
* \hideinitializer | |
*/ | |
#define WWDT_GET_COUNTER() (WWDT->CNT) | |
/** | |
* @brief Reload WWDT Counter | |
* | |
* @param None | |
* | |
* @return None | |
* | |
* @details This macro is used to reload the WWDT counter value to 0x3F. | |
* @note User can only write WWDT_RLDCNT register to reload WWDT counter value when current WWDT counter value \n | |
* between 0 and CMPDAT value. If user writes WWDT_RLDCNT when current WWDT counter value is larger than CMPDAT, \n | |
* WWDT reset signal will generate immediately to reset system. | |
* \hideinitializer | |
*/ | |
#define WWDT_RELOAD_COUNTER() (WWDT->RLDCNT = WWDT_RELOAD_WORD) | |
void WWDT_Open(uint32_t u32PreScale, uint32_t u32CmpValue, uint32_t u32EnableInt); | |
/*@}*/ /* end of group WWDT_EXPORTED_FUNCTIONS */ | |
/*@}*/ /* end of group WWDT_Driver */ | |
/*@}*/ /* end of group Standard_Driver */ | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* __WWDT_H__ */ | |
/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/ |