main.c

nrf905开发板：AT89S52单片机与NRF905实现无线通信

#include <reg51.h>
#include "nRF905\nRF905.h"
#include "LCD1602\LCD1602.h"
#include "MATRIX_KEY\Matrix_Key.h"
#include "print\print.h"
#include "process\process_SYNCLCD.h"

//注意: 矩阵键盘与LCD复用数据线


unsigned char code display1[] = {" www.newmsg.com"};
unsigned char code display2[] = {" Copyright@2006"};

unsigned char process_synclcd_unlock = 0;
unsigned int i;

void timer_int0() interrupt 1 //定时器0
{
	TH0=0xd8;	//定时器0 : 10ms
	TL0=0xef;	//			10ms

	if (Matrix_Key_Detect())
	{
		if (col==4 )
		{
			if (process_synclcd_unlock) 	//LCD功能解除锁定
			{
				process_synclcd_char(row);
				row=0;col=0;
			}
		}
		if (col==3)
		{
				//发送蜂鸣器信号
				TxRxBuf[0]=0x03;
				SetTxMode();
				TxPacket();
				SetRxMode();
		}


//		DisplayOneChar(5,0,'0'+row);
//		DisplayOneChar(13,0,'0'+col);
		//------
		
	}

	TR0 = 1;
}



void main(void)
{
	EA  = 1;
	ET0 = 1; //开中断 : INIT0
//	PT0=1; //T0中断高优先级
	TMOD = 0x21;	//定时/计数控制器 T1:自动重装          T0:16位定时器

	TH0=0xd8;	//定时器0 : 10ms
	TL0=0xef;	//			10ms
	TR0 = 1;


	LCMInit(); //LCM初始化
	DisplayListChar_code(0, 0, display1);
	DisplayListChar_code(0, 1, display2);

	P2=0xff;
	LCM_Data = 0xff;
	
	print_init();
	nRF905Init();
	Config905();
	SetRxMode();
	while (row==0 && col==0);	//任意键开始正常工作
	process_synclcd_unlock = 1;		//LCD功能解除锁定
	row=0;col=0;
	process_synclcd_init();

	while(1)
	{

		while (CheckDR()==0);		
		TR0 = 0;	//矩阵键盘与LCD复用数据线,先停止键盘扫描
		RxPacket();
P0=P0>>1;
if (P0==0x00) P0=0xff;
		switch(TxRxBuf[0])
	    {
			case 0x01:	//无线串口
				print_Char(TxRxBuf[1]);
				break;
			case 0x02:	//LCD 无线同步
				TxRxBuf[TxRxBuf[1]]='\0';
				process_synclcd_init();
				print_Str(TxRxBuf+2);
				DisplayListChar(0,0,TxRxBuf+2);
				if (TxRxBuf[1]>16)
				{
					DisplayListChar(0,1,TxRxBuf+16);
				}
				break;
			case 0x03:	//蜂鸣器
				BUZZER = 0;
				for (i=0;i<10000;i++);
				BUZZER = 1;
				break;

		} 

 		TR0 = 1;
	}
}