151 lines
6.2 KiB
C
151 lines
6.2 KiB
C
/**************************************************************************//**
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* @file nu_ewwdt.h
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* @version V3.00
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* @brief Extra Window Watchdog Timer(EWWDT) driver header file
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*
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* @copyright SPDX-License-Identifier: Apache-2.0
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* @copyright Copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#ifndef __NU_EWWDT_H__
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#define __NU_EWWDT_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/** @addtogroup Standard_Driver Standard Driver
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@{
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*/
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/** @addtogroup EWWDT_Driver EWWDT Driver
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@{
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*/
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/** @addtogroup EWWDT_EXPORTED_CONSTANTS EWWDT Exported Constants
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@{
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*/
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/*---------------------------------------------------------------------------------------------------------*/
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/* EWWDT Prescale Period Constant Definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define EWWDT_PRESCALER_1 (0 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 1 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_2 (1 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 2 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_4 (2 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 4 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_8 (3 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 8 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_16 (4 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 16 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_32 (5 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 32 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_64 (6 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 64 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_128 (7 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 128 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_192 (8 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 192 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_256 (9 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 256 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_384 (10 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 384 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_512 (11 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 512 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_768 (12 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 768 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_1024 (13 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 1024 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_1536 (14 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 1536 * (64*EWWDT_CLK) \hideinitializer */
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#define EWWDT_PRESCALER_2048 (15 << EWWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 2048 * (64*EWWDT_CLK) \hideinitializer */
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/*---------------------------------------------------------------------------------------------------------*/
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/* EWWDT Reload Counter Keyword Constant Definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define EWWDT_RELOAD_WORD (0x00005AA5UL) /*!< Fill this value to EWWDT_RLDCNT register to reload EWWDT counter \hideinitializer */
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/**@}*/ /* end of group EWWDT_EXPORTED_CONSTANTS */
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/** @addtogroup EWWDT_EXPORTED_FUNCTIONS EWWDT Exported Functions
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@{
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*/
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/**
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* @brief Clear EWWDT Reset System Flag
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*
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* @param None
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*
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* @return None
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*
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* @details This macro is used to clear EWWDT time-out reset system flag.
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* \hideinitializer
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*/
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#define EWWDT_CLEAR_RESET_FLAG() (EWWDT->STATUS = EWWDT_STATUS_WWDTRF_Msk)
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/**
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* @brief Clear EWWDT Compared Match Interrupt Flag
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*
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* @param None
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*
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* @return None
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*
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* @details This macro is used to clear EWWDT compared match interrupt flag.
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* \hideinitializer
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*/
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#define EWWDT_CLEAR_INT_FLAG() (EWWDT->STATUS = EWWDT_STATUS_WWDTIF_Msk)
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/**
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* @brief Get EWWDT Reset System Flag
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*
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* @param None
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*
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* @retval 0 EWWDT time-out reset system did not occur
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* @retval 1 EWWDT time-out reset system occurred
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*
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* @details This macro is used to indicate system has been reset by EWWDT time-out reset or not.
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* \hideinitializer
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*/
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#define EWWDT_GET_RESET_FLAG() ((EWWDT->STATUS & EWWDT_STATUS_WWDTRF_Msk)? 1 : 0)
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/**
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* @brief Get EWWDT Compared Match Interrupt Flag
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*
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* @param None
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*
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* @retval 0 EWWDT compare match interrupt did not occur
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* @retval 1 EWWDT compare match interrupt occurred
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*
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* @details This macro is used to indicate EWWDT counter value matches CMPDAT value or not.
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* \hideinitializer
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*/
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#define EWWDT_GET_INT_FLAG() ((EWWDT->STATUS & EWWDT_STATUS_WWDTIF_Msk)? 1 : 0)
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/**
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* @brief Get EWWDT Counter
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*
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* @param None
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*
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* @return EWWDT Counter Value
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*
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* @details This macro reflects the current EWWDT counter value.
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* \hideinitializer
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*/
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#define EWWDT_GET_COUNTER() (EWWDT->CNT)
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/**
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* @brief Reload EWWDT Counter
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*
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* @param None
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*
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* @return None
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*
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* @details This macro is used to reload the EWWDT counter value to 0x3F.
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* @note User can only write EWWDT_RLDCNT register to reload EWWDT counter value when current EWWDT counter value \n
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* between 0 and CMPDAT value. If user writes EWWDT_RLDCNT when current EWWDT counter value is larger than CMPDAT, \n
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* EWWDT reset signal will generate immediately to reset system.
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* \hideinitializer
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*/
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#define EWWDT_RELOAD_COUNTER() (EWWDT->RLDCNT = EWWDT_RELOAD_WORD)
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void EWWDT_Open(uint32_t u32PreScale, uint32_t u32CmpValue, uint32_t u32EnableInt);
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/**@}*/ /* end of group EWWDT_EXPORTED_FUNCTIONS */
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/**@}*/ /* end of group EWWDT_Driver */
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/**@}*/ /* end of group Standard_Driver */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __NU_EWWDT_H__ */
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