main.c

是关于KeilC下串口Baudrat设定的。

/*------------------------------------------------------------------------------
;  This file is part of the RLC instruction
;  Copyright (c)
;  Version: 1.0 
;-------------------------------------------------------------------------------
;  Filename:
;  main.c
;  Function:   
;
;  Author:
;  pirate
;     
;  Writedate:
;  Oct.15 2005
;  Moddate(latest):
;  Oct.15 2005
;-------------------------------------------------------------------------------
*/

//--------------------------------------
// Included files
//--------------------------------------
#include <reg52.h>		  //51head file
#include <intrins.h>	  //application function
#include ".\HEAD\dtype.h"
#include ".\HEAD\externf.h"

//--------------------------------------
// Local Definitions and Types
//--------------------------------------



/*******************************************************************************
/*   
//   Function:    main control
//
//!  Description: 
//!               - After a reset and power cycle the crystal is given time to
//!               settle and then it comes out of reset and then the radio is
//!               configured
//!
//!  Inputs:      None
//!
//!  Returns:     Void
/*
/*******************************************************************************
/*/

void main()
{
    uchar i;
	uchar j;
	uchar bomb;
    SP = 0x70;

	//Uart_init();
	//TR1 = 1;
	//TR2 = 1;
	nop();	     //nop function
	nop();

	CalBaudrate(0xDC);
	TR2 = 1;
	bomb = UartReceiveChar();
	TR2 = 0;
	for(i = 0; i < 29; i++)		 //用这种方法可以很方便地计算出未知晶振频率的
	{							 //情况下，确定一波特率，所对应的计时器载入值
	  CalBaudrate(0xDC);
	  TR2 = 1;
	  //UartSendChar(0x99);
	  UartSendChar(bomb);
	  //UartSendChar(0x55);
	  TR2 = 0;
	  DelayXs(1);				     //delay 1 second
	}
	
    	  
	for(j = 0; j < 2; ++j)
	{
	  test();
    }
	for(i=0;i<2;++i)
	{
	  RlcChar(0x55);
	  j = i;
	}

	//shifting every bit of a char 
	shiftchar();
	while(1);
}