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【2020电赛】—{电容触摸串口屏}

一、分类：电阻屏 or 电容屏二、淘晶驰电容触摸串口屏三、上位机四、MCU`main.c``UART.H``UART.c`

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一、分类：电阻屏 or 电容屏

触摸屏基本原理介绍 触摸屏工作原理解析 STM32CubeMX系列|触摸屏

二、淘晶驰电容触摸串口屏

USART HMI 资料中心

三、上位机

四、MCU

main.c

#include <STC15.H> #include <intrins.h> #include <UART.H> #define uchar unsigned char #define uint unsigned int uchar Receive; uchar S1_num; uchar S4_num; void GPIO(void); //IO口初始化函数 void Delay10ms(); //@11.0592MHz void main(void) { GPIO(); UartInit(); //串行口1初始化函数 ES=1; EA=1; S1 = 1 ; S2 = 1; S3 = 0; S4 = 0; S5 = 0; while(1) { // UART_Send_start();//为确保串口HMI正常通信 // UART_Send_Str("page0.t0.txt=\"灯1亮\""); // UART_Send_END(); // Delay10ms(); // // UART_Send_start();//为确保串口HMI正常通信 // UART_Send_Str("page0.t0.txt=\"灯1灭\""); // UART_Send_END(); } } //-----------------------------------IO口初始化函数-----------------------------// void GPIO(void) { P0M1=0; P0M0=0; P1M1=0; P1M0=0; P2M1=0; P2M0=0; P3M1=0; P3M0=0; P4M1=0; P4M0=0; P5M1=0; P5M0=0; }

UART.H

#ifndef _UART_H_ #define _UART_H_ #include <STC15.H> #define uchar unsigned char #define uint unsigned int sbit S1 = P0^0; sbit S2 = P0^1; sbit S3 = P0^2; sbit S4 = P0^3; sbit S5 = P0^4; extern uchar Receive; void UartInit(void); //9600bps@11.0592MHz 串行口1初始化函数 void UART_Send_Byte(unsigned char dat); //发送一个字节 串行发送采用查询方式 void UART_Send_Str(char *s); void UART_Send_END(void); void UART_Send_start(void); void Delay10ms(); //@11.0592MHz #endif

UART.c

#include <UART.H> #include <intrins.h> //-------------------------------------串行口1初始化函数-----------------------------// void UartInit(void) //9600bps@11.0592MHz { SCON = 0x50; //8位数据,可变波特率 AUXR |= 0x40; //定时器1时钟为Fosc,即1T AUXR &= 0xFE; //串口1选择定时器1为波特率发生器 TMOD &= 0x0F; //设定定时器1为16位自动重装方式 TL1 = 0xE0; //设定定时初值 TH1 = 0xFE; //设定定时初值 ET1 = 0; //禁止定时器1中断 TR1 = 1; //启动定时器1 } void UART_Send_Byte(unsigned char dat) //发送一个字节 串行发送采用查询方式 { //ES=0; //关串行口1中断 TI=0; //清除发送中断标志位 SBUF=dat; //将数据写入缓冲区 while(!TI);//等待发送结束 TI=0; } void UART_Send_Str(char *s) //发送一个字符串 { int i=0; while(s[i]!=0) { UART_Send_Byte(s[i]); i++; } } void UART_Send_END(void) //发送结束信号 { UART_Send_Byte(0xFF); UART_Send_Byte(0xFF); UART_Send_Byte(0xFF); } void UART_Send_start(void) { Delay10ms(); UART_Send_END(); Delay10ms(); } void Delay10ms() //@11.0592MHz { unsigned char i, j; i = 108; j = 145; do { while (--j); } while (--i); } void uart_isr() interrupt 4 { if(RI==1) { RI=0; //清除RI位 Receive=SBUF; switch(Receive) { case 0X01: {S1 = 0 ; S2 = 1; S3 = 0; S4 = 0; S5 = 1;} break; //交越 case 0X02: {S1 = 1 ; S2 = 1; S3 = 0; S4 = 0; S5 = 0;} break; //标准 case 0X03: {S1 = 1 ; S2 = 0; S3 = 0; S4 = 0; S5 = 0;} break; //顶部 case 0X04: {S1 = 1 ; S2 = 1; S3 = 1; S4 = 0; S5 = 0;} break; //底部 case 0X05: {S1 = 1 ; S2 = 1; S3 = 0; S4 = 1; S5 = 0;} break; //双向 } } }