i2cdef.h

本程序为ST公司开发的源代码

/**************************************************
 *
 *
 * CVS ID:   $Id: i2cdef.h,v 1.2 2006/04/26 17:59:53 kutik Exp $
 * Author:   Maurizio Marcucci [MM] - STM
 * Date:     $Date: 2006/04/26 17:59:53 $
 * Revision: $Revision: 1.2 $
 * 
 * Description:
 * 
 *   Accordo+ Hardware registers definition
 *
 ***************************************************
 * 
 * COPYRIGHT (C) ST Microelectronics  2005
 *            All Rights Reserved
 *
 ***************************************************/
#ifndef __I2CDEF_H
#define __I2CDEF_H

// I2C CR Register
typedef struct
{
 UInt ite   : 1;  // Bit 0
 UInt stop  : 1;  // Bit 1
 UInt ack   : 1;  // Bit 2
 UInt start : 1;  // Bit 3
 UInt engc  : 1;  // Bit 4
 UInt pe    : 1;  // Bit 5
 UInt       : 2;  // Bit 6-7
 UInt       : 24;

} I2C_CR_STRUCT;


typedef union
{
 I2C_CR_STRUCT field;
 uint32  all;
} I2C_CR_UNION;


// I2C SR1 register

typedef struct
{
 UInt sb    : 1; // Bit 0
 UInt m_sl  : 1; // Bit 1
 UInt adsl  : 1; // Bit 2
 UInt btf   : 1; // Bit 3
 UInt busy  : 1; // Bit 4
 UInt tra   : 1; // Bit 5
 UInt add10 : 1; // Bit 6
 UInt evf   : 1; // Bit 7
 UInt       : 24;
} I2C_SR1_STRUCT;

typedef union
{
 I2C_SR1_STRUCT field;
 uint32         all;
} I2C_SR1_UNION;


// I2C SR2 register

typedef struct
{
 UInt gcal    : 1; // Bit 0
 UInt berr    : 1; // Bit 1
 UInt arlo    : 1; // Bit 2
 UInt stopf   : 1; // Bit 3
 UInt af      : 1; // Bit 4
 UInt endad   : 1; // Bit 5
 UInt         : 2; // Bit 6-7
 UInt         : 24;
} I2C_SR2_STRUCT;

typedef union
{
 I2C_SR2_STRUCT field;
 uint32         all;
} I2C_SR2_UNION;




// I2C OAR2 register

typedef struct
{
 UInt           : 1;  // Bit 0
 UInt add_8_9   : 2;  // Bit 1-2
 UInt           : 2;  // Bit 3-4
 UInt fr        : 3;  // Bit 5-7
 UInt           : 24;
} I2C_OAR2_STRUCT;

typedef union
{
 I2C_OAR2_STRUCT field;
 uint32         all;
} I2C_OAR2_UNION;



// I2C CCR register

typedef struct
{
 UInt cc_0_6    : 7;  // Bit 0
 UInt fm_sm     : 1;  // Bit 1-2
 UInt           : 24;
} I2C_CCR_STRUCT;

typedef union
{
 I2C_CCR_STRUCT field;
 uint32         all;
} I2C_CCR_UNION;

#endif /* __I2CDEF_H */