#include"STC15F2K60S2.h"

#include "string.h"

#define uchar unsigned char

#define Machine_Focs 11059200L //晶振频率  

#define BAUD1 19200 //波特率

sbit Key3 = P1^7;

sbit Key1 = P3^2;

sbit Key2 = P3^3;

//sbit P_RXD=P1^0; //模拟串口接收

//sbit P_TXD=P1^1; //模拟串口发送

/*收发显示数据相关*/

bit Uart1_Sendbusy = 0 ;   //标记是否发送完成

uchar G_count;

unsigned char display; //数码管显示数据

uchar flag;

bit flg_1ms;    //1ms的标志

uchar duanxuan[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //显示0-f 

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

函数名称：Timer0

功能描述：定时器0的中断响应函数 ,定时100us

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

void Timer0() interrupt 1   

{

TH0=(65535-1000)/256;    //定时器初始值

TL0=(65535-1000)%256;

G_count++;

if(G_count==10)            //中断10次对应1ms

{

G_count=0;

flg_1ms=1;

}

    flag++;

if(flag==2)

flag=0;

switch(flag)

{

case 0: P2=0x00;P0=duanxuan[display/16];break;

    case 1: P2=0x01;P0=duanxuan[display%16];break;

}

}

void GPIO()

{

    P3M1 = 0x00;  P3M0 = 0x00; //准双向口

P2M1 = 0x00;  P2M0 = 0xff;

P1M1 = 0x00;  P1M0 = 0x00;   //开漏模式

//    P0M1 = 0x00;  P0M0 = 0xff;   //推完模式

}

void Uart2_Init(void) //19200bps@11.0592MHz

{

S2CON = 0x50; //8位数据,可变波特率

AUXR |= 0x04; //定时器2时钟为Fosc,即1T

T2L = 0x70; //设定定时初值

T2H = 0xFF; //设定定时初值

IE2 &= 0xFB; //禁止定时器2中断

// IE2 |= 0x01;       //串口2中断允许位

AUXR |= 0x10; //启动定时器2

}

void Timer5_Init(void) //1毫秒@11.0592MHz

{

AUXR |= 0x04; //定时器时钟1T模式

T2L = 0xCD; //设置定时初值

T2H = 0xD4; //设置定时初值

AUXR |= 0x10; //定时器2开始计时

}

void Send_Ascii(unsigned char dat)

{

// P_TXD = 0;

while(Uart1_Sendbusy);

Uart1_Sendbusy=1;

S2BUF=dat;

}

void main()

{

  GPIO();

  Timer5_Init();

  Uart2_Init();

  EA = 1;

//   Send_Ascii(0x12);

  while(1)

  { 

Send_Ascii(0x12);

  }

}

void Uart2_isr() interrupt 8

{

if (S2CON & 0x02)   //发送中断

{

    S2CON &= ~0x02;

Uart1_Sendbusy = 0;

// P_TXD = 1;   

}

if(S2CON & 0x01)

{

   S2CON &= ~0x01;

   display = S2BUF;

}

}