单片机实验程序(全)(共13页)

1、精选优质文档-倾情为你奉上2基本输入输出实验（蜂鸣器控制程序）/*名称：基本输入输出（I/O）程序说 明：*/#include<STC12c5A32s2.h>/包含头文件#define uint unsigned int /宏定义#define uchar unsigned char sbit buzzer=P35;sbit Keyadd=P20;sbit Keydec=P21;sbit Keycom=P22; void Delay(uint z)uint x;uchar y;for(x=z;x>0;x-)/延时 for(y=250;y>0;y-);void main(

2、void) uchar voice; voice=3; while(1) if(Keyadd=0)/按键被按下时为0voice=1;if(Keydec=0)voice=2;if(Keycom=0)voice=3;if(voice=1)buzzer=buzzer; Delay(1);else if(voice=2)buzzer=buzzer; Delay(20);elsebuzzer=1; 3定时器中断实验/*名称：实验三作业说 明：*/#include<STC12c5A32s2.h>/包含头文件#define uint unsigned int /宏定义#define uchar

3、unsigned char uchar counter;uchar voice;sbit buzzer=P35;sbit Keyadd=P20;sbit Keydec=P21;sbit Keycom=P22;sbit Keycan=P23;/-计算计数器初值-/#define T0_TIME1254 /定时时间us为单位#define T0ReLoadL1 (65536-(uint)(T0_TIME1*11.0592/12) % 256)#define T0ReLoadH1 (65536-(uint)(T0_TIME1*11.0592/12) / 256) /-计算计数器初值-/#define

4、 T0_TIME21400 /定时时间us为单位#define T0ReLoadL2 (65536-(uint)(T0_TIME2*11.0592/12) % 256)#define T0ReLoadH2 (65536-(uint)(T0_TIME2 *11.0592/12) / 256)/*名称：主程序说明：*/void main(void)/-初始化TIMER0 TMOD|=0x01;/定时器T0方式1TH0 =T0ReLoadH1;/装载计数器初值 TL0 =T0ReLoadL1;TR0 =1;/启动Timer0ET0 =1;/Timer0中断使能EA =1;/总开关使能/-大循环cou

5、nter=0;while(1)if(Keyadd=0)/按键被按下时为0voice=1;if(Keydec=0)voice=2;if(Keycom=0)voice=3;/*名称：Timer0中断服务子程序功能：产生10ms定时中断*/void Timer0_Int(void) interrupt1if(voice=1) TH0=T0ReLoadH1;/重装载计数器初值 TL0=T0ReLoadL1; buzzer=buzzer;if(voice=2) TH0=T0ReLoadH2; TL0=T0ReLoadL2; buzzer=buzzer;if(voice=3) 4 LED数码管动态扫描显示

6、实验#include<STC12c5A32s2.h>#define uint unsignedint#define uchar unsignedchar/-LED显示代码-/ bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0/ dp G C D E F B Auchar code seg10=0x3f,0x22,0x5b,0x73,0x66,/0,1,2,3,40x75,0x7d,0x23,0x7f,0x77,;/5,6,7,8,9ucharidatadis_buff_14;/第一行 LED显示缓冲ucharidatadis_buff_24;/第二行

7、LED显示缓冲ucharcounter;sbitU4_HC574_CP=P10;/S3 显示锁存74HC574脉冲sbitU5_HC574_CP=P11; /S4 显示锁存74HC574脉冲#define T0_TIME10000 /定时时间us为单位#define T0ReLoadL (65536-(uint)(T0_TIME*11.0592/12) % 256)#define T0ReLoadH (65536-(uint)(T0_TIME*11.0592/12) / 256)/*名称：数码管显示驱动子程序说明：*/void Display(void)uchardatai,j,k,temp0

8、0;temp00=0x20; for(i=0;i<4;i+)P1 |= 0x3C;/关所有扫描位P0=dis_buff_1i;U4_HC574_CP=0;U4_HC574_CP=1;/S3显示锁存74HC574脉冲 上升沿P0=dis_buff_2i;U5_HC574_CP=0;U5_HC574_CP=1;/S4显示锁存74HC574脉冲 上升沿P1 &= (temp00);/送扫描位for(j=0;j<20;j+)/延时 for(k=0;k<20;k+); temp00>>=1;/扫描位移位P1|=0x3C;/关所有扫描位/*名称：主程序*/void m

9、ain(void)uchardatabai,shi,ge;uintdataNum;uchardatatemp00;TMOD|=0x01;/定时器T0方式1TH0 =T0ReLoadH;/装载计数器初值 TL0 =T0ReLoadL;TR0 =1;/启动Timer0ET0 =1;/Timer0中断使能EA =1;/总开关使能counter=0;Num=999;for(;)bai=Num/100;temp00=Num-bai*100;shi=temp00/10;ge =temp00-shi*10;dis_buff_10=0;dis_buff_11=0;dis_buff_12=0;dis_buff_

10、13=0;dis_buff_20=0;dis_buff_21=segbai;dis_buff_22=segshi;dis_buff_23=segge;if(counter=100) counter=0;Num-;if(Num=0)Num=999;Display();/调用LED数码管显示子程序void Timer0_Int(void) interrupt1 TH0=T0ReLoadH;/重装载计数器初值 TL0=T0ReLoadL;counter+;5实时时钟与温度传感器实验（只需main（）部分代码）void main(void)uchar Hour,Min,Sec;/-初始化TIMER0

11、TMOD|=0x01;/定时器T0方式1TH0 =T0ReLoadH;/装载计数器初值 TL0 =T0ReLoadL;TR0 =1;/启动Timer0ET0 =1;/Timer0中断使能EA =1;/总开关使能counter=0;/-大循环WR_DS1302(0x8e,0X00);WR_DS1302(0x84,0X14);WR_DS1302(0x82,0X43);WR_DS1302(0x80,0X00);WR_DS1302(0x8e,0X80);for(;) Hour=RD_DS1302(0x85); Min=RD_DS1302(0x83); Sec=RD_DS1302(0x81); dis_

12、buff_10=segHour>>4;if(counter<=49)dis_buff_11=segHour&0x0f|0x80;else if(counter<=99)dis_buff_11=segHour&0x0f;else if(counter=100)counter=0;dis_buff_12=segMin>>4;dis_buff_13=segMin&0x0f;dis_buff_20=0;dis_buff_21=0;dis_buff_22=segSec>>4;dis_buff_23=segSec&0x0f;

13、Display();6 74HC595串行输入实验#include <intrins.h>/ use _nop_() function#include<STC12c5A32s2.h>#define uint unsignedint#define uchar unsignedcharucharcounter;/-计算计数器初值-/#define T0_TIME10000 /定时时间us为单位#define T0ReLoadL (65536-(uint)(T0_TIME*11.0592/12) % 256)#define T0ReLoadH (65536-(uint)(T0

14、_TIME*11.0592/12) / 256)uchar bdata HC595_buff2; /交通灯控制1的位寻址变量sbitHC595RegCLK=P25;/4hc595锁存时钟 输出sbitHC595S_Data=P26;/74hc595串行数据 输出sbitHC595ShiftCLK=P27;/74hc595串行移位时钟 输出 /*名称：WR_74HC595说明：向2片74HC595写入2字节数据（HC595_buff）*/void WR_74HC595(void)uchar i,j,k,temp00;HC595RegCLK = 0; /锁存线置“低” HC595ShiftCLK

15、= 0;/HC595.CLK =0for(i=0;i<2;i+) k=0X80;temp00=HC595_buff1-i; for(j=0;j<8;j+) if(temp00 & k) HC595S_Data = 1;/HC595.SDA elseHC595S_Data = 0; HC595ShiftCLK = 1;/产生上升沿,移入数据 k >>= 1;/k右移一位 HC595ShiftCLK = 0;/HC595.CLK HC595RegCLK = 1; /产生上升沿，锁存数据void Timer0_Int(void) interrupt1 TH0=T0Re

16、LoadH;/重装载计数器初值 TL0=T0ReLoadL;counter+;/*名称：主程序说明：main主函数放在所有子程序的后面，自称无需声明定义*/void main(void)uchar CN,i;CN=0;HC595_buff0=0x00;HC595_buff1=0x00;/-初始化TIMER0 TMOD|=0x01;/定时器T0方式1TH0 =T0ReLoadH;/装载计数器初值 TL0 =T0ReLoadL;TR0 =1;/启动Timer0ET0 =1;/Timer0中断使能EA =1;/总开关使能counter=0;for(;) if(CN<10) if(counter

17、=50) counter=0; HC595_buff0=HC595_buff0; HC595_buff1=HC595_buff1; CN+; counter=0; i=0;if(CN=10)HC595_buff0=0x00; HC595_buff1=0x08;else if(CN=10) if(counter=10) i+;counter=0;if(i<4) HC595_buff1>>=1; else if (i=4) HC595_buff0=0x80; HC595_buff1=0x00; else if(i<12) HC595_buff0>>=1; els

18、e if(i=12) i=0; HC595_buff0=0x00; HC595_buff1=0x08;WR_74HC595(); 7交通信号灯控制实验（仅需TraficLighter_ctrl()子程序部分代码）void TraficLighter_ctrl(void)switch(TraficLighter_state) case 0: /初始化状态，两个方向都为红灯5秒钟if(timer_count1=50) timer_count1=0; HC595_buff0=HC595_buff0; HC595_buff1=HC595_buff1;if (timer_count0=0) Trafic

19、Lighter_state=1;timer_count0=30;HC595_buff0=0;HC595_buff1=0;break;case 1:/状态1，南北方向红灯，东西绿灯East_Green=1;West_Green=1;North_Red=1;South_Red=1;if(timer_count0=0) TraficLighter_state=2;timer_count0=5;HC595_buff0=0;HC595_buff1=0;break;case 2:/状态2，南北方向红，东西黄灯闪烁 South_Red=1; North_Red=1; if(timer_count1=50)

20、timer_count1=0; East_Yellow=East_Yellow; West_Yellow=West_Yellow;if(timer_count0=0) TraficLighter_state=3;timer_count0=50;HC595_buff0=0;HC595_buff1=0;break;case 3:/状态3，南北方向绿灯，东西红灯East_Red=1;West_Red=1;North_Green=1;South_Green=1;if(timer_count0=0) TraficLighter_state=4;timer_count0=5;HC595_buff0=0;H

21、C595_buff1=0; break;case 4:/状态4，东西方向红，南北黄灯闪烁 East_Red=1; West_Red=1; if(timer_count1=50) timer_count1=0; South_Yellow=South_Yellow; North_Yellow=North_Yellow;if(timer_count0=0) TraficLighter_state=1;timer_count0=5;HC595_buff0=0;HC595_buff1=0;break;8 UART串口通讯实验#include<STC12c5A32s2.h>/包含头文件#define uint unsigned int /宏定义#define uchar unsigned char uchar Rec_No; uchar