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clib/i2c_api.h

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00001 /****************************************************************************
00002 *
00003 * (C) 2000 by PWR Solutions GbR
00004 *
00005 *  PWR Solutions GbR
00006 *  Euckenstrasse 17
00007 *  D-81369 München
00008 *
00009 *  Phone : (49)-89-726092-30
00010 *  Fax   : (49)-89-726092-59
00011 
00012 $Header: i2c_api.h, 5, 16.01.2002 11:11:07, Christoph Stoidner$
00013 
00014 *
00015 * ---------------------------------------------------------------------------
00016 * Module        : I2C_API.H
00017 * Function      : Defines and typedefs for I2C_API.C
00018 *
00019 * Compiler      : Borland C++ 5.0
00020 * Memorymodel   : Large
00021 *
00022 * Author        : Bernhard Roth
00023 * Date          : 17.07.00
00024 * ---------------------------------------------------------------------------
00025 
00026 $Log:
00027  5    IPC@CHIP  1.4         16.01.2002 11:11:07  Christoph Stoidner add starteam
00028       directives
00029  4    IPC@CHIP  1.3         16.01.2002 11:09:09  Christoph Stoidner add new
00030       functions and comments
00031  3    IPC@CHIP  1.2         13.08.2001 17:06:37  Christoph Stoidner Edit header
00032  2    IPC@CHIP  1.1         13.08.2001 16:29:06  Christoph Stoidner edit
00033  1    IPC@CHIP  1.0         13.08.2001 16:27:00  Christoph Stoidner
00034 $
00035 
00036 *
00037 * History       :
00038 *
00039 *  Vx.yy                   Author  Changes
00040 *
00041 *             17.07.00     roth    Create
00042 *
00043 *  -------------------------------------------------------------------------
00044 *  Published on the Beck WebSite with kindlier permission of Bernhard Roth.
00045 ****************************************************************************/
00046 
00047 #ifndef __I2CAPI_H__
00048 #define __I2CAPI_H__
00049 
00050 #define I2CINT         0xAA
00051 
00052 /*************************************************************************/
00053 // I2C Api Services
00054 /*************************************************************************/
00055 #define I2C_INIT             0x80
00056 #define I2C_SCAN             0x81
00057 #define I2C_TRANS_RECV_CHAR  0x82
00058 #define I2C_TRANS_RECV_BLOCK 0x83
00059 #define I2C_RELEASE          0x84
00060 #define I2C_RESTART          0x8B
00061 #define I2C_SELECT_CLK_PIN   0x8E
00062 #define I2C_SELECT_DATA_PIN  0x8F
00063 
00064 /*************************************************************************/
00065 //prototypes
00066 /*************************************************************************/
00067 
00068 void I2C_init (void);
00069 void I2C_release (void);
00070 void I2C_restart (void);
00071 unsigned char I2C_scan (unsigned char start_addr, unsigned char end_addr);
00072 int I2C_transmit_block (unsigned char slave, char far * buffer, int length);
00073 int I2C_receive_block (unsigned char slave, char far * buffer, int length);
00074 int I2C_transmit_char (unsigned char slave, char c);
00075 int I2C_receive_char (unsigned char slave, char * c, unsigned char lastchar);
00076 void I2C_select_clock_pin(unsigned char pio_no);
00077 void I2C_select_data_pin(unsigned char pio_no);
00078 
00079 /*************************************************************************/
00080 #endif /* __I2CAPI_H__*/
00081 /*************************************************************************/
00082 //end i2c_api.h
00083 /*************************************************************************/

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