rs232.c

AT24C01~24C16燒錄器程序,可以通過麼MENU選擇燒錄IC型號

//==================================================================================================
#include "../SubProgram/SubprogramList.h"
//===================================================================================================
// INITIAL RS-232
//===================================================================================================
void InitRS232(void)
{   
    TR1=0;
	TMOD=0x20;
    TH1=0xe8;
	TL1=0Xe8;
	PCON=0x00;
	SCON=0x50;
    TR1=1;
}
//===================================================================================================
// RS-232 SEND ONE BYTE DATA 
//===================================================================================================
void RS232SendOneByte(U8 cdata)
{
	SBUF=cdata;
	while(TI==0);
	TI=0;
}
//===================================================================================================
// RS-232 RECEIVE ONE BYTE DATA
//===================================================================================================
U8 RS232ReceiveOneByte(void)
{
	while(RI==0);
	RI=0;
	return(SBUF);
}
//===================================================================================================
// RS-232 SEND STRING DATA
//===================================================================================================
void RS232SendStringData(U8 *cdata,U8 datalength)
{
	U8 length;
	U16 CheckSum;
	
	do
		{
			RS232SendOneByte(0xaa);
		}while((RS232ReceiveOneByte()^0xbb)!=0);
	do
		{
			CheckSum=0;
			for(length=0;length<datalength;length++)
				{
					RS232SendOneByte(cdata[length]);
					CheckSum=CheckSum+cdata[length];
				}
			RS232SendOneByte(CheckSum);
		}while(RS232ReceiveOneByte()!=0);
}
//===================================================================================================
// RS-232 RECEIVE STRING DATA
//===================================================================================================
void RS232ReceiveStringData(U8 *Buffer,U8 datalength)
{
	U8 length;
	U16 CheckSum;
	
	while((RS232ReceiveOneByte()^0xaa)!=0);
	RS232SendOneByte(0xbb);
	while(1)
	{
		CheckSum=0;
		for(length=0;length<datalength;length++)
		{
			Buffer[length]=RS232ReceiveOneByte();
			CheckSum=CheckSum+Buffer[length];
		}
		if((RS232ReceiveOneByte()^CheckSum)==0)
		{
			RS232SendOneByte(0x00);
			break;
		}
		else
		{
			RS232SendOneByte(0xff);
		}
	}
}
//===================================================================================================
//WaitResult
//===================================================================================================
void WaitResult(void)
{
	HostBusy=0;
	while(DeviceBusy==1);
	RS232ReceiveStringData(EmpBuffer,8);
	HostBusy=1;	
}
//===================================================================================================
// send Command
//===================================================================================================
void SendCommand(void)
{
	HostBusy=0;
	while(DeviceBusy==1);
	Delay(T10ms*2);
	RS232SendStringData(EmpBuffer,8);
	HostBusy=1;	
}