51单片机与大彩屏幕通讯

#include "reg52.h" sbit LED = P1^0; sbit LED1 = P1^1; sbit LED2 = P1^2; sbit LED3 = P1^3; sbit L = P3^5; sbit L1 = P3^4; sbit L2 = P3^3; int i=0,rcv_bit_number=0,wen,yanshi; // i为内部数据位 w为数据个数i传出的值 rcv_bit_number循环用于发送数据 unsigned char w=0,n,rcv_data[30]=0,HuaMian,Butten,rcv_falg,S_butten;//rcv_da[30]=0, unsigned wendu_ZhiLin[] = {0xEE,0xB1,0x10,0x00,0x00,0x00,0x04,0x20,0x20,0x30,0xFF,0xFC,0xFF,0xFF }; unsigned code call[]= {0X30,0X31,0X32,0X33,0X34,0X35,0X36,0X37,0X38,0X39};//0 1 2 3 4 5 6 7 8 9{}; void Uart1Init(void); void send_data(unsigned char i_data); char putchar(char c); void fanhui() //按钮判断函数 { switch(rcv_data[4]) { case 0X00: HuaMian = 00;break; case 0X01: HuaMian = 10;break; case 0X02: HuaMian = 20;break; case 0X03: HuaMian = 30;break; case 0X04: HuaMian = 40;break; case 0X05: HuaMian = 50;break; } switch(rcv_data[6]) { case 0: Butten = 0;break; case 1: Butten = 1;break; case 2: Butten = 2;break; case 3: Butten = 3;break; case 4: Butten = 4;break; case 5: Butten = 5;break; } n = Butten+HuaMian; } send_wendu( unsigned char wendu , unsigned char JieMianID,unsigned char KuangID) { unsigned char Gewei,Shiwei,Baiwei; Gewei = wendu/1%10; Shiwei = wendu/10%10; Baiwei = wendu/100%10; wendu_ZhiLin[4] = JieMianID; wendu_ZhiLin[6] = KuangID; wendu_ZhiLin[7] = call[Baiwei]; wendu_ZhiLin[8] = call[Shiwei]; wendu_ZhiLin[9] = call[Gewei]; for( rcv_bit_number=0;rcv_bit_number<=13;rcv_bit_number++) { send_data(wendu_ZhiLin[rcv_bit_number]); } return 0 ; } //unsigned char anniu1() //{ //unsigned char aa; //aa = Butten+HuaMian; //return(aa); //} void wendu_INCV()//初始化温度显示 { for( rcv_bit_number=0;rcv_bit_number<=13;rcv_bit_number++) { send_data(wendu_ZhiLin[rcv_bit_number]); } } void main() { L=1; L1=1; wen = 0; Uart1Init(); wendu_INCV(); while(1) { fanhui(); //返回按钮值，界面+按钮 返回参数为n // if( L == 0 | rcv_falg == 1 ) //发送接收到的数据 // { // for( rcv_bit_number=0;rcv_bit_number<=w-1;rcv_bit_number++) // { // send_data(rcv_data[rcv_bit_number]); // // } // send_data(n); // rcv_falg = 0; // while(L==0); // } if( L == 0) //发送接收到的数据 { send_wendu(wen,0,04); ++wen; rcv_falg = 0; // while(L==0); } switch(n) //判断哪个按钮按下如 { case 01: LED=rcv_data[9] ^ 0x01;break; case 02: LED1=rcv_data[9]^ 0x01;break; case 03: LED2=rcv_data[9]^ 0x01;break; case 04: LED3=rcv_data[9]^ 0x01;break; } } } void Uart1Init(void) //[email protected] { SCON = 0x50; //8位数据,可变波特率 TMOD &= 0x0F; //设置定时器模式 TMOD |= 0x20; //设置定时器模式 TL1 = 0xFD; //设置定时初始值 TH1 = 0xFD; //设置定时重载值 ET1 = 0; //禁止定时器中断 TR1 = 1; //定时器1开始计时 ES =1; EA = 1; } void send_data(unsigned char i_data) { SBUF = i_data; while(!TI); TI = 0; } //char putchar(char c) //{ //send_data(c); // return(c); //} void UART() interrupt 4 { if(RI) { RI=0; rcv_data[i] = SBUF; if(rcv_data[0] == 0XEE ) //如果接收到帧头为EE { ++i; } else { i=0; } } if( rcv_data[i-4]==0XFF && rcv_data[i-3]==0XFC && rcv_data[i-2]==0XFF && rcv_data[i-1]==0XFF)//判断帧尾是否正确 { w = i; i=0; rcv_falg = 1; } }