main.c

对实验板上 EEPROM 器件 AT24C08 进行读写访问。实现从同一地址写入再读出

#include <stdlib.h>
#include <string.h>
#include "..\inc\option.h"
#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\def.h"
#include "..\inc\iic.h"
void AutoTest(void);
void HaltUndef(void);
void HaltSwi(void);
void HaltPabort(void);
void HaltDabort(void);
void Quit(void);
void ClearScreen(void);
void Isr_Init(void);
 volatile  int flag=1;
/****************************************************************
   My first S344B0 Application
 ***************************************************************/


void Main(void)
{
        int i;
	float d;
	rSYSCFG=CACHECFG;
        Port_Init();
   	Uart_Init(0,57600);
    	Uart_Select(0);
   	 Delay(0); 			 //calibrate Delay()
    	ClearScreen(); 			//clear screen
        
        Uart_Printf("\n*************************************************************************\n");
	Uart_Printf("\n  浙江天煌科技实业有限公司\n") ;
        Uart_Printf("\n  http:www.tianhuang.cn\n") ;
        Uart_Printf("\n    IIC 串行总线实验\n");
        Uart_Printf("\n  （IIC Experiment）\n");
        Uart_Printf("\n  S3C44B0X Test Program Ver 0.00 rSYSCFG=0x%x MCLK=%dMHz\n",rSYSCFG,MCLK/1000000) ;
        Uart_Printf("\n  COM:57600bps,8Bit,NP,UART0\n");
        Uart_Printf("\n  Date: " __DATE__ "\n");


        Test_Iic();
   }
void Isr_Init(void)
{
    pISR_UNDEF=(unsigned)HaltUndef;
    pISR_SWI  =(unsigned)HaltSwi;
    pISR_PABORT=(unsigned)HaltPabort;
    pISR_DABORT=(unsigned)HaltDabort;

    //rINTCON=0x1;	  // Vectored Int. IRQ enable,FIQ disable    
    rINTCON=0x5;	  // Non-vectored,IRQ enable,FIQ disable    

    rINTMOD=0x0;	  // All=IRQ mode
    rINTMSK=BIT_GLOBAL;	  // All interrupt is masked.
}




void HaltUndef(void)
{
    Uart_Printf("Undefined instruction exception!!!\n");
    while(1);
}

void HaltSwi(void)
{
    Uart_Printf("SWI exception!!!\n");
    while(1);
}

void HaltPabort(void)
{
    Uart_Printf("Pabort exception!!!\n");
    while(1);
}

void HaltDabort(void)
{
    Uart_Printf("Dabort exception!!!\n");
    while(1);
}

void Quit(void)
{
    Uart_Printf("Programe end successfully.\n");
    while(1);
}



void ClearScreen(void)
{
    int i;
    for (i=0; i<24; i++)	
               Uart_Printf("\n");
}