/* ----------------------------------------------------------------------------
 *         SAM Software Package License
 * ----------------------------------------------------------------------------
 * Copyright (c) 2012, Atmel Corporation
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Atmel's name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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 * ----------------------------------------------------------------------------
 */

#ifndef _SAM4C_TRNG_COMPONENT_
#define _SAM4C_TRNG_COMPONENT_

/* ============================================================================= */
/**  SOFTWARE API DEFINITION FOR True Random Number Generator */
/* ============================================================================= */
/** \addtogroup SAM4C_TRNG True Random Number Generator */
/*@{*/

#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
/** \brief Trng hardware registers */
typedef struct {
  WoReg TRNG_CR;       /**< \brief (Trng Offset: 0x00) Control Register */
  RoReg Reserved1[3];
  WoReg TRNG_IER;      /**< \brief (Trng Offset: 0x10) Interrupt Enable Register */
  WoReg TRNG_IDR;      /**< \brief (Trng Offset: 0x14) Interrupt Disable Register */
  RoReg TRNG_IMR;      /**< \brief (Trng Offset: 0x18) Interrupt Mask Register */
  RoReg TRNG_ISR;      /**< \brief (Trng Offset: 0x1C) Interrupt Status Register */
  RoReg Reserved2[12];
  RoReg TRNG_ODATA;    /**< \brief (Trng Offset: 0x50) Output Data Register */
} Trng;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- TRNG_CR : (TRNG Offset: 0x00) Control Register -------- */
#define TRNG_CR_ENABLE (0x1u << 0) /**< \brief (TRNG_CR) Enables the TRNG to provide random values */
#define TRNG_CR_KEY_Pos 8
#define TRNG_CR_KEY_Msk (0xffffffu << TRNG_CR_KEY_Pos) /**< \brief (TRNG_CR) Security Key */
#define TRNG_CR_KEY(value) ((TRNG_CR_KEY_Msk & ((value) << TRNG_CR_KEY_Pos)))
/* -------- TRNG_IER : (TRNG Offset: 0x10) Interrupt Enable Register -------- */
#define TRNG_IER_DATRDY (0x1u << 0) /**< \brief (TRNG_IER) Data Ready Interrupt Enable */
/* -------- TRNG_IDR : (TRNG Offset: 0x14) Interrupt Disable Register -------- */
#define TRNG_IDR_DATRDY (0x1u << 0) /**< \brief (TRNG_IDR) Data Ready Interrupt Disable */
/* -------- TRNG_IMR : (TRNG Offset: 0x18) Interrupt Mask Register -------- */
#define TRNG_IMR_DATRDY (0x1u << 0) /**< \brief (TRNG_IMR) Data Ready Interrupt Mask */
/* -------- TRNG_ISR : (TRNG Offset: 0x1C) Interrupt Status Register -------- */
#define TRNG_ISR_DATRDY (0x1u << 0) /**< \brief (TRNG_ISR) Data Ready */
/* -------- TRNG_ODATA : (TRNG Offset: 0x50) Output Data Register -------- */
#define TRNG_ODATA_ODATA_Pos 0
#define TRNG_ODATA_ODATA_Msk (0xffffffffu << TRNG_ODATA_ODATA_Pos) /**< \brief (TRNG_ODATA) Output Data */

/*@}*/


#endif /* _SAM4C_TRNG_COMPONENT_ */
