HID Hi-O iCLASS Installation Guide User Manual

Page 35

iCLASS OEM75 Integration Guide, 3141-907, Rev. B.0

January 2014

Page 35 of 49

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/*======================================================================

** This software is protected by copyright law and international treaties.

** Any unauthorized reproduction, distribution or use of the software

** is prohibited.

**======================================================================

** FILE NAME: masterI2C.c

** DESCRIPTION: This file contains functions to manage the inter-processor

** message data via I²C.

** PUBLIC FUNCTIONS:

** InitI2C

** WriteI2C

** ReadI2C

**======================================================================

**====================================================================*/

/********** Project Specific Includes **********/

#include "main.h"

#include "timer.h"

#include "masterI2C.h"

/********** Private Function Protoypes **********/

static void sendI2CStart (void);

static void sendI2CRestart (void);

static void sendI2CStop (void);

static void sendI2CAck (void);

static void sendI2CNak (void);

static UBYTE writeByte (UBYTE data);

static UBYTE readByte (void);

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

/************************** Public functions **************************/

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

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

** NAME:

** InitI2C

** INPUTS:

** None

** OUTPUTS:

** None

** RETURN:

** None

** DESCRIPTION:

** This function initializes all buffers and variables associated with