/** @file reg_i2c.h
*   @brief I2C Register Layer Header File
*   @date 20.May.2014
*   @version 04.00.00
*   
*   This file contains:
*   - Definitions
*   - Types
*   - Interface Prototypes
*   .
*   which are relevant for the I2C driver.
*/

/* (c) Texas Instruments 2009-2014, All rights reserved. */

#ifndef __REG_I2C_H__
#define __REG_I2C_H__

#include "sys_common.h"
#include "reg_gio.h"


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/* I2c Register Frame Definition */
/** @struct i2cBase
*   @brief I2C Base Register Definition
*
*   This structure is used to access the I2C module registers.
*/
/** @typedef i2cBASE_t
*   @brief I2C Register Frame Type Definition
*
*   This type is used to access the I2C Registers.
*/
typedef volatile struct i2cBase
{

    uint32 OAR;           /**<  0x0000 I2C Own Address register               */
    uint32 IMR;           /**<  0x0004 I2C Interrupt Mask/Status register     */
    uint32 STR;           /**<  0x0008 I2C Interrupt Status register          */
    uint32 CKL;          /**<  0x000C I2C Clock Divider Low register          */
    uint32 CKH;          /**<  0x0010 I2C Clock Divider High register         */
    uint32 CNT;           /**<  0x0014 I2C Data Count register                */
#if ((__little_endian__ == 1) || (__LITTLE_ENDIAN__ == 1))
    uint8 DRR;            /**< 0x0018: I2C Data Receive register,             */
    uint8 rsvd1;          /**< 0x0018: I2C Data Receive register, Reserved    */
    uint8 rsvd2;          /**< 0x0018: I2C Data Receive register, Reserved    */
    uint8 rsvd3;          /**< 0x0018: I2C Data Receive register, Reserved    */
#else
    uint8 rsvd3;          /**< 0x0018: I2C Data Receive register, Reserved    */
    uint8 rsvd2;          /**< 0x0018: I2C Data Receive register, Reserved    */
    uint8 rsvd1;          /**< 0x0018: I2C Data Receive register, Reserved    */
    uint8 DRR;            /**< 0x0018: I2C Data Receive register,             */
#endif	
    uint32 SAR;           /**<  0x001C I2C Slave Address register             */
#if ((__little_endian__ == 1) || (__LITTLE_ENDIAN__ == 1))
    uint8 DXR;            /**< 0x0020: I2C Data Transmit register,            */
    uint8 rsvd4;          /**< 0x0020: I2C Data Transmit register, Reserved   */
    uint8 rsvd5;          /**< 0x0020: I2C Data Transmit register, Reserved   */
    uint8 rsvd6;          /**< 0x0020: I2C Data Transmit register, Reserved   */
#else
    uint8 rsvd6;          /**< 0x0020: I2C Data Transmit register, Reserved   */
    uint8 rsvd5;          /**< 0x0020: I2C Data Transmit register, Reserved   */
    uint8 rsvd4;          /**< 0x0020: I2C Data Transmit register, Reserved   */
    uint8 DXR;            /**< 0x0020: I2C Data Transmit register,            */
#endif	
    uint32 MDR;           /**<  0x0024 I2C Mode register                      */
    uint32 IVR;           /**<  0x0028 I2C Interrupt Vector register          */
    uint32 EMDR;          /**<  0x002C I2C Extended Mode register             */
    uint32 PSC;           /**<  0x0030 I2C Prescaler register                 */
    uint32 PID11;         /**<  0x0034 I2C Peripheral ID register 1           */
    uint32 PID12;         /**<  0x0038 I2C Peripheral ID register 2           */
    uint32 DMACR;         /**<  0x003C I2C DMA Control Register               */
    uint32 rsvd7;         /**<  0x0040 Reserved                               */
    uint32 rsvd8;         /**<  0x0044 Reserved                               */
    uint32 PFNC;          /**<  0x0048 Pin Function Register                  */
    uint32 DIR;           /**<  0x004C Pin Direction Register                 */
    uint32 DIN;           /**<  0x0050 Pin Data In Register                   */
    uint32 DOUT;          /**<  0x0054 Pin Data Out Register                  */
    uint32 SET;           /**<  0x0058 Pin Data Set Register                  */
    uint32 CLR;           /**<  0x005C Pin Data Clr Register                  */
    uint32 PDR;           /**<  0x0060 Pin Open Drain Output Enable Register  */
    uint32 PDIS;          /**<  0x0064 Pin Pullup/Pulldown Disable Register   */
    uint32 PSEL;          /**<  0x0068 Pin Pullup/Pulldown Selection Register */
    uint32 PSRS;          /**<  0x006C Pin Slew Rate Select Register          */	
} i2cBASE_t;


/** @def i2cREG1
*   @brief I2C Register Frame Pointer
*
*   This pointer is used by the I2C driver to access the I2C module registers.
*/
#define i2cREG1 ((i2cBASE_t *)0xFFF7D400U)

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/** @def i2cPORT1
*   @brief I2C GIO Port Register Pointer
*
*   Pointer used by the GIO driver to access I/O PORT of I2C
*   (use the GIO drivers to access the port pins).
*/
#define i2cPORT1 ((gioPORT_t *)0xFFF7D44CU)

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#endif
