单片机实验程序全.docx

1、单片机实验程序全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 /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;x0;x-) /延时 for(y=250;y0;y-); void main(void) uchar voice; voice=3;

2、while(1) if(Keyadd=0) /按键被按下时为0 voice=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); else buzzer=1; 3定时器中断实验/*名称： 实验三作业说 明：*/#include /包含头文件#define uint unsigned int /宏定义#define uchar unsigned char uchar counter;uchar vo

3、ice;sbit buzzer=P35;sbit Keyadd=P20;sbit Keydec=P21;sbit Keycom=P22;sbit Keycan=P23;/-计算计数器初值-/#define T0_TIME1 254 /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 T0_TIME2 1400 /定时时间us为单位#define T

4、0ReLoadL2 (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1 TH0 =T0ReLoadH1; /装载计数器初值 TL0 =T0ReLoadL1; TR0 =1; /启动Timer0 ET0 =1; /Timer0中断使能 EA =1; /总开关使能 /-大循环 counter=0; while(1) i

5、f(Keyadd=0) /按键被按下时为0 voice=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) interrupt 1 if(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实验#i

6、nclude#define uint unsigned int#define uchar unsigned char/-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, /0,1,2,3,4 0x75,0x7d,0x23,0x7f,0x77,; /5,6,7,8,9uchar idata dis_buff_14; /第一行 LED显示缓冲uchar idata dis_buff_24; /第二行 LED显示缓冲uchar c

7、ounter;sbit U4_HC574_CP =P10; /S3 显示锁存74HC574脉冲sbit U5_HC574_CP =P11; /S4 显示锁存74HC574脉冲#define T0_TIME 10000 /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) uchar data i,j,k,temp00

8、; temp00=0x20; for(i=0;i4;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;j20;j+) /延时 for(k=0;k=1; /扫描位移位 P1|=0x3C; /关所有扫描位/*名称： 主程序*/void main(void) uchar data

9、 bai,shi,ge; uint data Num; uchar data temp00; TMOD|=0x01; /定时器T0方式1 TH0 =T0ReLoadH; /装载计数器初值 TL0 =T0ReLoadL; TR0 =1; /启动Timer0 ET0 =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;

10、 dis_buff_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) interrupt 1 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

11、Hour,Min,Sec; /-初始化TIMER0 TMOD|=0x01; /定时器T0方式1 TH0 =T0ReLoadH; /装载计数器初值 TL0 =T0ReLoadL; TR0 =1; /启动Timer0 ET0 =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

12、=RD_DS1302(0x83); Sec=RD_DS1302(0x81); dis_buff_10=segHour4; if(counter=49) dis_buff_11=segHour&0x0f|0x80; else if(counter4; dis_buff_13=segMin&0x0f; dis_buff_20=0; dis_buff_21=0; dis_buff_22=segSec4; dis_buff_23=segSec&0x0f; Display(); 6 74HC595串行输入实验#include / use _nop_() function#include#define u

13、int unsigned int#define uchar unsigned charuchar counter;/-计算计数器初值-/#define T0_TIME 10000 /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)uchar bdata HC595_buff2; /交通灯控制1的位寻址变量sbit HC595RegCLK =P25; /4hc595锁存时钟 输出sbit HC5

14、95S_Data =P26; /74hc595串行数据 输出sbit HC595ShiftCLK =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 = 0; /HC595.CLK =0 for(i=0;i2;i+) k=0X80; temp00=HC595_buff1-i; for(j=0;j= 1; /k右移一位 HC595ShiftC

15、LK = 0; /HC595.CLK HC595RegCLK = 1; /产生上升沿，锁存数据void Timer0_Int(void) interrupt 1 TH0=T0ReLoadH; /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1 TH0 =T0ReLoadH; /装载计数器初值 T

16、L0 =T0ReLoadL; TR0 =1; /启动Timer0 ET0 =1; /Timer0中断使能 EA =1; /总开关使能 counter=0; for(;) if(CN10) if(counter=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=1; else if (i

17、=4) HC595_buff0=0x80; HC595_buff1=0x00; else if(i=1; else 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=HC59

18、5_buff0; HC595_buff1=HC595_buff1; if (timer_count0=0) TraficLighter_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; br

19、eak; 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) 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=

20、1; South_Green=1; if(timer_count0=0) TraficLighter_state=4; timer_count0=5; HC595_buff0=0; HC595_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 /包含头文件#define uint unsigned int /宏定义#define uchar unsigned char uchar Rec_No; uchar Rec_Data; uchar Rec_Addr; uchar Send_ok; uchar Rec_order; uchar Self_Addr;sbit relay=P37;/*名称： 主程序说明： *