单片机怎么设计一个0-9的一位数秒表,用定时器实现 c语言程序及其...答:include<reg52.h> // 包含51单片机寄存器定义的头文件 unsigned char code Tab[11]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};//数码管显示0~9的段码表 unsigned char int_time; //记录中断次数 unsigned char second; //储存秒 / 函数功能:快速动态扫描...
51单片机C语言程序注释标注(写全)答:include <reg51.h> //调用头文件reg51.hvoid main() //主函数{unsigned char // 无符号字符型tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};//定义一个数组 LED数码管译码用的码表while(1) //主循环{P2=P2|0x07; // P2口...
用单片机显示数字,要怎么写?答:define uchar unsigned char uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,//0~9段码 0x77,0x7c,0x39,0x5e,0x79,0x71,};//共阴数码管A~F段码表 uchar buf[]={0x0a,0x0b,0x0c,0x0d,0x0e,0x0f};//显示字母 void delay()//延时子程序 { u...
单片机99s码表设计答:unsigned char code dispcode[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E,0x00};unsigned char second;unsigned char keycnt;unsigned int tcnt;void main(void){ unsigned char i,j;TMOD=0x02;ET0=1;EA=1;second=0;P1=dispcode[...
急需用温度传感器ds18b20,数码管显示温度的单片机的C语言程序,运用的是...答:include<reg52.h> #define uchar unsigned char #define uint unsigned int sbit DQ=P1^4; //ds18b20与单片机连接口 unsigned char code str[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x00,0x40} ; //共阴数码管字码表unsigned char code str1[]={0x0bf,0x86,...