File content as of revision 0:01f31e923fe2:

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#ifndef _SAM3U_RTT_COMPONENT_
#define _SAM3U_RTT_COMPONENT_

/* ============================================================================= */
/**  SOFTWARE API DEFINITION FOR Real-time Timer */
/* ============================================================================= */
/** \addtogroup SAM3U_RTT Real-time Timer */
/*@{*/

#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
/** \brief Rtt hardware registers */
typedef struct {
  RwReg RTT_MR; /**< \brief (Rtt Offset: 0x00) Mode Register */
  RwReg RTT_AR; /**< \brief (Rtt Offset: 0x04) Alarm Register */
  RoReg RTT_VR; /**< \brief (Rtt Offset: 0x08) Value Register */
  RoReg RTT_SR; /**< \brief (Rtt Offset: 0x0C) Status Register */
} Rtt;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- RTT_MR : (RTT Offset: 0x00) Mode Register -------- */
#define RTT_MR_RTPRES_Pos 0
#define RTT_MR_RTPRES_Msk (0xffffu << RTT_MR_RTPRES_Pos) /**< \brief (RTT_MR) Real-time Timer Prescaler Value */
#define RTT_MR_RTPRES(value) ((RTT_MR_RTPRES_Msk & ((value) << RTT_MR_RTPRES_Pos)))
#define RTT_MR_ALMIEN (0x1u << 16) /**< \brief (RTT_MR) Alarm Interrupt Enable */
#define RTT_MR_RTTINCIEN (0x1u << 17) /**< \brief (RTT_MR) Real-time Timer Increment Interrupt Enable */
#define RTT_MR_RTTRST (0x1u << 18) /**< \brief (RTT_MR) Real-time Timer Restart */
/* -------- RTT_AR : (RTT Offset: 0x04) Alarm Register -------- */
#define RTT_AR_ALMV_Pos 0
#define RTT_AR_ALMV_Msk (0xffffffffu << RTT_AR_ALMV_Pos) /**< \brief (RTT_AR) Alarm Value */
#define RTT_AR_ALMV(value) ((RTT_AR_ALMV_Msk & ((value) << RTT_AR_ALMV_Pos)))
/* -------- RTT_VR : (RTT Offset: 0x08) Value Register -------- */
#define RTT_VR_CRTV_Pos 0
#define RTT_VR_CRTV_Msk (0xffffffffu << RTT_VR_CRTV_Pos) /**< \brief (RTT_VR) Current Real-time Value */
/* -------- RTT_SR : (RTT Offset: 0x0C) Status Register -------- */
#define RTT_SR_ALMS (0x1u << 0) /**< \brief (RTT_SR) Real-time Alarm Status */
#define RTT_SR_RTTINC (0x1u << 1) /**< \brief (RTT_SR) Real-time Timer Increment */

/*@}*/


#endif /* _SAM3U_RTT_COMPONENT_ */