怎么用单片机C语言编写驱动蜂鸣器发出7个音的电路图和程序代码(最好有...答://头文件包含特殊功能寄存器的定义 /*--- 硬件端口定义 ---*/ sbit SPK=P1^2; //定义音乐输出端口 unsigned char Timer0_H,Timer0_L,Time;//世上只有妈妈好数据表 code unsigned char MUSIC[]={ 6,2,3, 5,2,1, 3,2,2, 5,2,2, 1,3,2, 6,2,1, ...
51单片机制作简易数字频率计程序答:这里有一个四位数码管的频率计,供参考 include <reg52.h>#define uchar unsigned char#define uint unsigned intuchar duan[10]={0xc0,0Xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; //所需的段的位码//uchar wei[4]={0XEf,0XDf,0XBf,0X7f}; //位的控制端(开发板)uc...
STC89C52单片机数字温度传感器设计 (温度传感器是DS18B20) 寻高手帮...答:include<reg52.h> include <intrins.h> define uchar unsigned char define uint unsigned int define upzero 1 define downzero 0 uchar code tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};uchar code seg[]={0xfe,0xfd,0xfb}; //加了PNP的情况下的段选 sbit DQ=...
单片机C语言,两个问号之间的要怎么改!说附近语法错误答:include #include unsigned char HMtable[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80} ;//这里少分号,加上就OK了 unsigned char code LMtable[100]={0x00,0x00,0x00,0x00,0x00,0x00,……