AN1045 Просмотр технического описания (PDF) - STMicroelectronics

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AN1045

ST7 S/W IMPLEMENTATION OF I2C BUS MASTER

STMicroelectronics 

ST7 S/W IMPLEMENTATION OF I2C BUS MASTER

5 SOFTWARE

The assembly code given below is for guidance only.

/**************** (c) 2003 STMicroelectronics ********************************

PROJECT : EVALUATION BOARD - ST7 I2C DEMO SYSTEM

COMPILERS : COSMIC AND METROWERKS

MODULE : i2cm_drv.c

REVISION DATE : 12/06/03

AUTHOR : Micro Controller Division Application Team

-*-*-*-*-*-*-*-*-*-*-*-*--*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-

THE SOFTWARE INCLUDED IN THIS FILE IS FOR GUIDANCE ONLY. STMicroelectronics

SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL

DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM USE OF THIS SOFTWARE.

-*-*-*-*-*-*-*-*-*-*-*-*--*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-

DESCRIPTION : ST7 I2C single master T/R peripheral software driver.

-*--*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-

MODIFICATIONS :

27/08/98 - V1.0 - First version (error management:AF).

12/06/03 - V1.1 - 1) Compatibility With Cosmic And Metrowerks.

2) Generation Of Non - Ack.

3) Update for st72324

**************************************************************************/

#pragma NO_STRING_CONSTR

#define SDA 6

#define SCL 7

/* EXTERNAL DECLARATIONS ***************************************************/

/* List of all the variables defined in another module and used in this one. */

/* MODEL => #include {file_name}.h

*/

#include "map72324.h"

/* Declaration of the I2C HW registers.*/

#include "lib_bits.h"

/* Bit handling macro definitions.*/

#include "variable.h"

/* FUNCTIONDESCRIPTIONS ************************************************* /

/* Description of all the functions defined in this module.

*/

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