电赛 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`
一、分类：电阻屏 or 电容屏
介绍触摸屏的基本原理 分析触摸屏的工作原理 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()///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()///确保串口HMI正常通信 // UART_Send_Str("page0.t0.txt=\"灯1灭\""); // UART_Send_END(); } }/span> //-----------------------------------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
}
}
}