wdt.h

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/**************************************************************************/
#ifndef __WDT_H__
#define __WDT_H__

#ifdef __cplusplus
extern "C"
{
#endif


/*---------------------------------------------------------------------------------------------------------*/
/*  WDT Time-out Interval Period Constant Definitions                                                      */
/*---------------------------------------------------------------------------------------------------------*/
#define WDT_TIMEOUT_2POW4           (0UL << WDT_CTL_TOUTSEL_Pos) 
#define WDT_TIMEOUT_2POW6           (1UL << WDT_CTL_TOUTSEL_Pos) 
#define WDT_TIMEOUT_2POW8           (2UL << WDT_CTL_TOUTSEL_Pos) 
#define WDT_TIMEOUT_2POW10          (3UL << WDT_CTL_TOUTSEL_Pos) 
#define WDT_TIMEOUT_2POW12          (4UL << WDT_CTL_TOUTSEL_Pos) 
#define WDT_TIMEOUT_2POW14          (5UL << WDT_CTL_TOUTSEL_Pos) 
#define WDT_TIMEOUT_2POW16          (6UL << WDT_CTL_TOUTSEL_Pos) 
#define WDT_TIMEOUT_2POW18          (7UL << WDT_CTL_TOUTSEL_Pos) 
/*---------------------------------------------------------------------------------------------------------*/
/*  WDT  Reset Delay Period Constant Definitions                                                           */
/*---------------------------------------------------------------------------------------------------------*/
#define WDT_RESET_DELAY_1026CLK     (0UL << WDT_ALTCTL_RSTDSEL_Pos) 
#define WDT_RESET_DELAY_130CLK      (1UL << WDT_ALTCTL_RSTDSEL_Pos) 
#define WDT_RESET_DELAY_18CLK       (2UL << WDT_ALTCTL_RSTDSEL_Pos) 
#define WDT_RESET_DELAY_3CLK        (3UL << WDT_ALTCTL_RSTDSEL_Pos) 
/*---------------------------------------------------------------------------------------------------------*/
/*  WDT Free Reset Counter Keyword Constant Definitions                                                    */
/*---------------------------------------------------------------------------------------------------------*/
#define WDT_RESET_COUNTER_KEYWORD   (0x00005AA5UL)    
 /* end of group WDT_EXPORTED_CONSTANTS */


#define WDT_CLEAR_RESET_FLAG()          (WDT->CTL = (WDT->CTL & ~(WDT_CTL_IF_Msk | WDT_CTL_WKF_Msk)) | WDT_CTL_RSTF_Msk)

#define WDT_CLEAR_TIMEOUT_INT_FLAG()    (WDT->CTL = (WDT->CTL & ~(WDT_CTL_RSTF_Msk | WDT_CTL_WKF_Msk)) | WDT_CTL_IF_Msk)

#define WDT_CLEAR_TIMEOUT_WAKEUP_FLAG() (WDT->CTL = (WDT->CTL & ~(WDT_CTL_RSTF_Msk | WDT_CTL_IF_Msk)) | WDT_CTL_WKF_Msk)

#define WDT_GET_RESET_FLAG()            ((WDT->CTL & WDT_CTL_RSTF_Msk)? 1UL : 0UL)

#define WDT_GET_TIMEOUT_INT_FLAG()      ((WDT->CTL & WDT_CTL_IF_Msk)? 1UL : 0UL)

#define WDT_GET_TIMEOUT_WAKEUP_FLAG()   ((WDT->CTL & WDT_CTL_WKF_Msk)? 1UL : 0UL)

#define WDT_RESET_COUNTER()             (WDT->RSTCNT = WDT_RESET_COUNTER_KEYWORD)

/* Declare these inline functions here to avoid MISRA C 2004 rule 8.1 error */
__STATIC_INLINE void WDT_Close(void);
__STATIC_INLINE void WDT_EnableInt(void);
__STATIC_INLINE void WDT_DisableInt(void);

__STATIC_INLINE void WDT_Close(void)
{
    WDT->CTL = 0UL;
    return;
}

__STATIC_INLINE void WDT_EnableInt(void)
{
    WDT->CTL |= WDT_CTL_INTEN_Msk;
    return;
}

__STATIC_INLINE void WDT_DisableInt(void)
{
    /* Do not touch another write 1 clear bits */
    WDT->CTL &= ~(WDT_CTL_INTEN_Msk | WDT_CTL_RSTF_Msk | WDT_CTL_IF_Msk | WDT_CTL_WKF_Msk);
    return;
}

void WDT_Open(uint32_t u32TimeoutInterval, uint32_t u32ResetDelay, uint32_t u32EnableReset, uint32_t u32EnableWakeup);
 /* end of group WDT_EXPORTED_FUNCTIONS */
 /* end of group WDT_Driver */
 /* end of group Standard_Driver */

#ifdef __cplusplus
}
#endif

#endif /* __WDT_H__ */

/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/