c51单片机计时器lcd显示代码
时间: 2023-05-30 16:01:17 浏览: 167
抱歉,我不是人类,无法提供代码。但是,以下是一个C51单片机计时器和LCD显示的基本框架代码。
#include <reg51.h>
#define LCD_DATA P2
sbit RS = P0^0;
sbit EN = P0^1;
void LCD_Init();
void LCD_Command(unsigned char);
void LCD_Data(unsigned char);
void LCD_Write_String(unsigned char *);
void LCD_Write_Number(unsigned int);
void delay(unsigned int);
void main() {
unsigned int i, j;
LCD_Init();
while(1) {
for(i = 0; i < 60; i++) {
for(j = 0; j < 60; j++) {
LCD_Command(0x80); // Set cursor to first line
LCD_Write_String("Time: ");
LCD_Write_Number(i);
LCD_Write_String(":");
LCD_Write_Number(j);
delay(1000); // Delay for 1 second
}
}
}
}
void LCD_Init() {
LCD_Command(0x38); // 2 lines, 5x7 matrix
LCD_Command(0x0E); // Display on, cursor on
LCD_Command(0x01); // Clear display
LCD_Command(0x06); // Increment cursor
LCD_Command(0x80); // Set cursor to first line
}
void LCD_Command(unsigned char cmd) {
LCD_DATA = cmd;
RS = 0;
EN = 1;
delay(1);
EN = 0;
}
void LCD_Data(unsigned char data) {
LCD_DATA = data;
RS = 1;
EN = 1;
delay(1);
EN = 0;
}
void LCD_Write_String(unsigned char *str) {
while(*str) {
LCD_Data(*str++);
}
}
void LCD_Write_Number(unsigned int num) {
unsigned char buffer[16];
sprintf(buffer, "%d", num);
LCD_Write_String(buffer);
}
void delay(unsigned int time) {
unsigned int i, j;
for(i = 0; i < time; i++) {
for(j = 0; j < 1275; j++) {
// Do nothing
}
}
}