151 lines
6.1 KiB
C
151 lines
6.1 KiB
C
/**************************************************************************//**
|
|
* @file nu_wwdt.h
|
|
* @brief WWDT driver header file
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
|
|
*****************************************************************************/
|
|
#ifndef __NU_WWDT_H__
|
|
#define __NU_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() (WWDT2->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() (WWDT2->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() ((WWDT2->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() ((WWDT2->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() (WWDT2->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() (WWDT2->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 /* __NU_WWDT_H__ */
|
|
|