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Arduino/hardware/sam/system/libsam/include/sam3s/component/wdt.h
2011-08-31 10:28:32 +02:00

46 lines
2.2 KiB
C

/* %ATMEL_LICENCE% */
#ifndef _SAM3S_WDT_COMPONENT_
#define _SAM3S_WDT_COMPONENT_
/* ============================================================================= */
/** SOFTWARE API DEFINITION FOR Watchdog Timer */
/* ============================================================================= */
/** \addtogroup SAM3S_WDT Watchdog Timer */
/*@{*/
#ifndef __ASSEMBLY__
/** \brief Wdt hardware registers */
typedef struct {
WoReg WDT_CR; /**< \brief (Wdt Offset: 0x00) Control Register */
RwReg WDT_MR; /**< \brief (Wdt Offset: 0x04) Mode Register */
RoReg WDT_SR; /**< \brief (Wdt Offset: 0x08) Status Register */
} Wdt;
#endif /* __ASSEMBLY__ */
/* -------- WDT_CR : (WDT Offset: 0x00) Control Register -------- */
#define WDT_CR_WDRSTT (0x1u << 0) /**< \brief (WDT_CR) Watchdog Restart */
#define WDT_CR_KEY_Pos 24
#define WDT_CR_KEY_Msk (0xffu << WDT_CR_KEY_Pos) /**< \brief (WDT_CR) Password */
#define WDT_CR_KEY(value) ((WDT_CR_KEY_Msk & ((value) << WDT_CR_KEY_Pos)))
/* -------- WDT_MR : (WDT Offset: 0x04) Mode Register -------- */
#define WDT_MR_WDV_Pos 0
#define WDT_MR_WDV_Msk (0xfffu << WDT_MR_WDV_Pos) /**< \brief (WDT_MR) Watchdog Counter Value */
#define WDT_MR_WDV(value) ((WDT_MR_WDV_Msk & ((value) << WDT_MR_WDV_Pos)))
#define WDT_MR_WDFIEN (0x1u << 12) /**< \brief (WDT_MR) Watchdog Fault Interrupt Enable */
#define WDT_MR_WDRSTEN (0x1u << 13) /**< \brief (WDT_MR) Watchdog Reset Enable */
#define WDT_MR_WDRPROC (0x1u << 14) /**< \brief (WDT_MR) Watchdog Reset Processor */
#define WDT_MR_WDDIS (0x1u << 15) /**< \brief (WDT_MR) Watchdog Disable */
#define WDT_MR_WDD_Pos 16
#define WDT_MR_WDD_Msk (0xfffu << WDT_MR_WDD_Pos) /**< \brief (WDT_MR) Watchdog Delta Value */
#define WDT_MR_WDD(value) ((WDT_MR_WDD_Msk & ((value) << WDT_MR_WDD_Pos)))
#define WDT_MR_WDDBGHLT (0x1u << 28) /**< \brief (WDT_MR) Watchdog Debug Halt */
#define WDT_MR_WDIDLEHLT (0x1u << 29) /**< \brief (WDT_MR) Watchdog Idle Halt */
/* -------- WDT_SR : (WDT Offset: 0x08) Status Register -------- */
#define WDT_SR_WDUNF (0x1u << 0) /**< \brief (WDT_SR) Watchdog Underflow */
#define WDT_SR_WDERR (0x1u << 1) /**< \brief (WDT_SR) Watchdog Error */
/*@}*/
#endif /* _SAM3S_WDT_COMPONENT_ */