FreeRTOS/Demo/CORTEX_A5_SAMA5D3x_Xplained_IAR/AtmelFiles/libchip_sama5d3x/include/component/component_pit.h

/* ----------------------------------------------------------------------------
 *         SAM Software Package License
 * ----------------------------------------------------------------------------
 * Copyright (c) 2012, Atmel Corporation
 *
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#ifndef _SAMA5_PIT_COMPONENT_
#define _SAMA5_PIT_COMPONENT_

/* ============================================================================= */
/**  SOFTWARE API DEFINITION FOR Periodic Interval Timer */
/* ============================================================================= */
/** \addtogroup SAMA5_PIT Periodic Interval Timer */
/*@{*/

#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
/** \brief Pit hardware registers */
typedef struct {
  RwReg PIT_MR;   /**< \brief (Pit Offset: 0x00) Mode Register */
  RoReg PIT_SR;   /**< \brief (Pit Offset: 0x04) Status Register */
  RoReg PIT_PIVR; /**< \brief (Pit Offset: 0x08) Periodic Interval Value Register */
  RoReg PIT_PIIR; /**< \brief (Pit Offset: 0x0C) Periodic Interval Image Register */
} Pit;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- PIT_MR : (PIT Offset: 0x00) Mode Register -------- */
#define PIT_MR_PIV_Pos 0
#define PIT_MR_PIV_Msk (0xfffffu << PIT_MR_PIV_Pos) /**< \brief (PIT_MR) Periodic Interval Value */
#define PIT_MR_PIV(value) ((PIT_MR_PIV_Msk & ((value) << PIT_MR_PIV_Pos)))
#define PIT_MR_PITEN (0x1u << 24) /**< \brief (PIT_MR) Period Interval Timer Enabled */
#define PIT_MR_PITIEN (0x1u << 25) /**< \brief (PIT_MR) Periodic Interval Timer Interrupt Enable */
/* -------- PIT_SR : (PIT Offset: 0x04) Status Register -------- */
#define PIT_SR_PITS (0x1u << 0) /**< \brief (PIT_SR) Periodic Interval Timer Status */
/* -------- PIT_PIVR : (PIT Offset: 0x08) Periodic Interval Value Register -------- */
#define PIT_PIVR_CPIV_Pos 0
#define PIT_PIVR_CPIV_Msk (0xfffffu << PIT_PIVR_CPIV_Pos) /**< \brief (PIT_PIVR) Current Periodic Interval Value */
#define PIT_PIVR_PICNT_Pos 20
#define PIT_PIVR_PICNT_Msk (0xfffu << PIT_PIVR_PICNT_Pos) /**< \brief (PIT_PIVR) Periodic Interval Counter */
/* -------- PIT_PIIR : (PIT Offset: 0x0C) Periodic Interval Image Register -------- */
#define PIT_PIIR_CPIV_Pos 0
#define PIT_PIIR_CPIV_Msk (0xfffffu << PIT_PIIR_CPIV_Pos) /**< \brief (PIT_PIIR) Current Periodic Interval Value */
#define PIT_PIIR_PICNT_Pos 20
#define PIT_PIIR_PICNT_Msk (0xfffu << PIT_PIIR_PICNT_Pos) /**< \brief (PIT_PIIR) Periodic Interval Counter */

/*@}*/


#endif /* _SAMA5_PIT_COMPONENT_ */