单片机C语言课程设计51开发板.docxVIP

单片机C语言课程设计--51开发板GY-MCU-1实验1. 流水灯+蜂鸣器报警/**********************实验开发板例程************************* 平台：V8.0 + Keil U3 + STC89C52* 名称：使八位LED逐位移动并蜂鸣器报警* 晶振:11.0592MHZ******************************************************************/#include reg51.h#include intrins.h#define uchar unsigned charsbit BZ = P2^3;void delay(){uchari,j;for(i=200;i0;i--)for(j=200;j0;j--);}void main(){uchari;while(1){P1=0xFE;delay();for(i=0;i8;i++){P1=_crol_(P1,1);BZ=!BZ;delay();}}}实验2. 一个数码管显示实验/**********************HJ-3G实验开发板例程************************* 名称：学习板的第一个数码管动态地显示数字0到F* 晶振:11.0592MHZ******************************************************************/#include reg51.hsbitdula=P2^6;//段选信号的锁存器控制sbitwela=P2^7;//位选信号的锁存器控制unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};//0-F的码表void delay(unsigned inti){unsignedintm,n;for(m=i;m0;m--)for(n=90;n0;n--);}void main(){unsigned char num;while(1){for(num=0;num16;num++){P0=table[num];dula=1;dula=0;P0=0xfe; //选中第一个数码管wela=1;wela=0;delay(1000);}}}实验3. 键盘控制实验/*************************HL-1开发板实验例程*********************** 名称：4*4键盘检测程序,按下键后相应的代码显示在数码管上* 晶振:11.0592MHZ******************************************************************/#includereg51.hsbit beep=P2^3;sbitdula=P2^6;sbitwela=P2^7;unsigned char i=100;unsigned char j,k,temp,key;void delay(unsigned char i){for(j=i;j0;j--)for(k=125;k0;k--);}unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};display(unsigned char num){ P0=table[num];dula=1;dula=0; P0=0xc0;wela=1;wela=0;}void main(){dula=0;wela=0;while(1) { P3=0xfe;temp=P3;temp=temp0xf0;if(temp!=0xf0) {delay(10);if(temp!=0xf0) {temp=P3;switch(temp) {case 0xee:key=0;break;case 0xde:key=1;break;case 0xbe:key=2;break;case 0x7e:key=3;break; }while(temp!=0xf0) {temp=P3;temp=temp0xf0;beep=0; }beep=1;display(key); P1=0xfe;