#include"STC15F2K60S2.h"

#include "string.h"

#define uchar unsigned char

#define Machine_Focs 11059200L //晶振頻率  

#define BAUD1 19200 //波特率

sbit Key3 = P1^7;

sbit Key1 = P3^2;

sbit Key2 = P3^3;

//sbit P_RXD=P1^0; //模擬串口接收

//sbit P_TXD=P1^1; //模擬串口發(fā)送

/*收發(fā)顯示數(shù)據(jù)相關(guān)*/

bit Uart1_Sendbusy = 0 ;   //標(biāo)記是否發(fā)送完成

uchar G_count;

unsigned char display; //數(shù)碼管顯示數(shù)據(jù)

uchar flag;

bit flg_1ms;    //1ms的標(biāo)志

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

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

函數(shù)名稱：Timer0

功能描述：定時(shí)器0的中斷響應(yīng)函數(shù) ,定時(shí)100us

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

void Timer0() interrupt 1   

{

TH0=(65535-1000)/256;    //定時(shí)器初始值

TL0=(65535-1000)%256;

G_count++;

if(G_count==10)            //中斷10次對(duì)應(yīng)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; //準(zhǔn)雙向口

P2M1 = 0x00;  P2M0 = 0xff;

P1M1 = 0x00;  P1M0 = 0x00;   //開(kāi)漏模式

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

}

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

{

S2CON = 0x50; //8位數(shù)據(jù),可變波特率

AUXR |= 0x04; //定時(shí)器2時(shí)鐘為Fosc,即1T

T2L = 0x70; //設(shè)定定時(shí)初值

T2H = 0xFF; //設(shè)定定時(shí)初值

IE2 &= 0xFB; //禁止定時(shí)器2中斷

// IE2 |= 0x01;       //串口2中斷允許位

AUXR |= 0x10; //啟動(dòng)定時(shí)器2

}

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

{

AUXR |= 0x04; //定時(shí)器時(shí)鐘1T模式

T2L = 0xCD; //設(shè)置定時(shí)初值

T2H = 0xD4; //設(shè)置定時(shí)初值

AUXR |= 0x10; //定時(shí)器2開(kāi)始計(jì)時(shí)

}

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)   //發(fā)送中斷

{

    S2CON &= ~0x02;

Uart1_Sendbusy = 0;

// P_TXD = 1;   

}

if(S2CON & 0x01)

{

   S2CON &= ~0x01;

   display = S2BUF;

}

}