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）严*名称：基本输入输出（LO）程序 说 明：# mclude define umt unsigned mt frdefine uchar unsigned char sbit buzzei-=P3A5;sbit Keyadd=P2A0;sbit Keydec=P2Al; sbit Keycom=P2A2;void Delay(umt z) uiiit x;uchar v; fbi(x=z;x0;x) for(y=250;y0;y-);包含头文件宏定义延时void main(void) uchai- voice;voice=3;wlule(l)
2、if(Keyadd=O)voice=l;if(Keydec=O)voice=2;if(Keycom=0)voice=3;if(voice=l)buzzei-buzzer;Delay(l)；else if(voice=2) buzzei-buzzer; Delay(20);else按键被按下时为0buzzer=l;3定时器中断实验严* 名称：实验三作业 说 明：*/# mclude define umt unsigned mt #define uchar unsigned char uchai counter;uchai voice;sbit buzzei-=P3A5;sbit Keyadd=P
3、2A0;sbit Keydec=P2Al;sbit Keycom=P2A2; sbit Keycan=P2A3;包含头文件宏定义 计算计数器初值 -/define TO_TIME1define TOReLoadLl#define TOReLoadHl254 定时时间us为单位(65536-(umt)(T0_TINIE 1*11.0592/12) % 256) (65536-(umt)(T0_TEvIEl*l 1.0592/12) / 256)/计算计数器初值 /define T0ReLoadL2#define T0ReLoadH2#define T0_TIME2 1400 定时时间 us 为单
4、位(65536-(umt)(T0_TINIE2* 11.0592/12) % 256) (65536(uint)(T0_TIME2 *11.0592/12)/ 256)严*名称：主程序 说明:*/void main(void)/ 初始化TIMER0TMOD|=0x01;定时器TO方式1TH0=TOReLoadHl;装载计数器初值TLO=TOReLoadLl;TRO=1;启动 TuneiOETO=1;/TiinerO中断使能EA=1;总开关使能/ 大循坏countei=0;voice=l;if(Keydec=O)voice=2;if(Keycom=0)voice=3;名称：TiinerO中断服务
5、子程序功能：产生10ms定时中断void TimeiO_Iiit(void) intewupt 1 if(voice=l)TH0=T0ReLoadHl;重装载计数器初值TL0=T0ReLoadLl; buzzei-buzzer;if(voice=2)TH0=T0ReLoadH2;TL0=T0ReLoadL2: buzzei-buzzer; if(voice=3)4 LED数码管动态扫描显示实验#mclude#define uiiit unsigned iiit#define uclw unsigned char/ LED显示代码 -/ bit7 bit6 bit5 bit4 bit3 bit2
6、 bitl bitO /dp G C D E F B A#define TOReLoadL#define TOReLoadHuchai code seg10= 0x3f.0x22.0x5b.0x73?0x66, /0,1,23,40x75,0x7d，0x23,0x7f,0x77,;/5,6,7,8,9uchaiidatadis_buSLl4;第一行LED显示缓冲uchaiidatadis_buSL2 4;/第二行LED显示缓冲uchaicounter;sbit U4_HC574_CP=PlA0;/S3显示锁存74HC574脉冲sbit U5_HC574_CP=P1A1;/S4显示锁存74HC5
7、74脉冲define T0_TDvIE 10000定时时间us为单位(65536-(umt)(T0_TDvIE* 11.0592/12) % 256)(65536(uint)(T0_TIME*ll0592/12) / 256)严*名称： 数码管显示驱动子程序说明：*/ void Display(void) uchar data i,j,k.temp00; temp00=0x20;关所有打描位/S3显示锁存74HC574脉冲 上升沿/S4显示锁存74HC574脉冲 上升沿送扫描位延时/打描位移位关所有打描位for(i=0;i4;i+) Pl |= 0x3C; PO=dis_buffLli;U4
8、HC574 CP=0:zU4 HC574 CP=1; P0=dis_buffL2i;U5 HC574 CP=0:zU5 HC574 CP=1; Pl &= (tempOO); for(j=0j20+) for(k=0;k20;k+);temp00=l;Pl|=0x3C;严*名称：主程序*/void main(void)uchar data bai.shi.ge; uiiit data Num;uchar data tempOO; TMOD|=0x01;THO =T0ReLoadH;TLO =TOReLoadL;TRO =1;ETO =1;EA =1;countei-O;Num=999;for(
9、；) bai=NunV100;tempOO=Num-bai* 100; slu=temp00/10;ge =temp00-slii*10; dis_bufLlO=O; dis_bufLll=O;dis_bufLl2=0;dis_bufLl3=0; dis_bufL20=0;dis_bi】f!L2 l=segbai; dis_bi】f!L2 2=segshi; dis_buff_23=segge;if(counter=100)countei-O; Num;if(Num=0)Num=999;DisplavQ;void TimeiO_Iiit(void) intewupt 1定时器TO方式1装载计数
10、器初值启动 TunerO /TiinerO中断使能总开关使能调用LED数码管显示子程序TH0=T0ReLoadH;TLO=TOReLoadL;countei+;重装载计数器初值5实时时钟与温度传感器实验(只需main ()部分代码) void main(void)uchar HourMin.Sec;/ 初始化TIMEROTMOD|=OxOi;THO =T0ReLoadH; TLO =TOReLoadL;TRO =1;ETO =1;EA =1;定时器TO方式1装载计数器初值 启动 TunerO /TiinerO中断使能总开关使能countei=0;/ 人循坏WR_DS 1302(0x8匕 0X0
11、0);WR_DS 1302(0x84.0X14);WR_DS 1302(0x82,0X43);WR_DS 1302(0x80.0X00);WR_DS 1302(0x8匕 0X80);血(;)Hou尸 RD_DS 1302(0x85);Mm=RD_DS 1302(0x83);Sec=RD_DS1302(0x81);dis_buff.l 0=segHour4; if(counter=49)dis_buSLl l=segHour&OxOf |0x80; else if(countei=99)dis_bufiLl l=segHoui&OxOf;else if(countei-=100) counter
12、=0;dis_buff.l 2=segMiii4;3=segMm&0 xOf;dis_buff_20=0;dis_buff_2l=0;dis_buff_22=segSec4;dis_buff_23=segSec&OxOf;DisplavQ;6 74HC595串行输入实验/ use _nop_() ftinction#include # iiiclude#define umt unsigned mt#define uclw unsigned charuchai counter;/ 计算计数器初值 -/严*名称：WR_74HC595说明：向2片74HC595写入2字节数据(HC595_buff)*
13、/ void WR_74HC595(void) uchar ij,k,temp00;HC595RegCLK = 0;HC595SluftCLK = 0;for(i=0;i2;i+)k=0X80; temp00=HC595_buffI 1 -1;for(j=0j8j+)if(temp00 & k) HC595S_Data= 1;else HC595S_Data = 0;HC595ShiftCLK= 1; k= 1;锁存线置“低”/HC595.CLK =0/HC595.SDA产生上升沿，移入数据/k右移一位HC595ShiftCLK=0;/HC595.CLKHC595RegCLK = 1;/产生上
14、升沿，锁存数据重装载计数器初值void TimeiO_Iiit(void) intewupt 1 TH0=T0ReLoadH;TL0=T0ReLoadL;countei+;严*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 j;CN=0;HC595_buff!0=0x00;HC595.buffl=0x00; 初始化TIMEROTMOD|=OxOi;THO =T0ReLoadH; TLO =TOReLoadL;TRO =1;ETO =1;EA =1;定时器TO方式1装载计数器初值 启动 Tunei O /TiinerO中断使
15、能总开关使能counter=0;血(；) if(CN10)if(countei50)counter=0;HC595_buff0sHC595_buff0;HC595_buffI 1 =HC595_biiffI 1 ; CN+;countei=0;1=0；if(CN=10) HC595_biiff!O=OxOO;HC595_buffl=OxO8;else if(CN=10)if(countei10)】+;countei-0;if(i4) HC595_buffIl=l; else if (i=4) HC595_buffl0=0x80; HC595_bi】ff!l=0x00;else if(i12)
16、HC595_buffl0=l;else if(i=12)1=0；HC595.bufftO=OxOO; HC595.buffl=0x08;WR_74HC595Q；7交通信号灯控制实验(仅需TraficLighter_ctrl()?程序部分代码) void TraficLighter_ctil(void)switch(TiaficLightei_state)case 0: /初始化状态，两个方向都为红灯5秒钟 iftimeic ountl=50)tiiner_countl=0;HC595_buff!0=HC595_biiffT0;HC595_buffI 1 =HC595_bi】ffI 1 ;if
17、(tiiner_count0=0)TraficLighter_state= 1;timer_count0=30;HC595_buffl0=0; break; case 1:HC595_bufIIl=0;状态1,南北方向红灯，东西绿灯East_Green=l;West_Green=l;Nortli_Red=l;Soutli_Red=l;if(timei_count0=0)TraficLightei_state=2;timer_count0=5;HC595_buffl0=0; break;case 2:HC595_bufIIl=0;状态2,南北方向红，东西黄灯闪烁South_Red=l;North
18、_Red=l;if(timei_count 1=50)timei_countl=0;East_Ydlow=East_Y亡 llow;West_Ybllow=West_Ydlow;if(timei_count0=0)TraficLighter_state=3;timei_count0=50;HC595_bi】ff!0=0;HC595_bi】ffl=0; break;case 3: 状态3,南北方向绿灯，东西红灯 East_Red=l;WesCRed=l;Noitli_Green=l;Soutli_Green=l;if(timei_count0=0)TraficLighter_state=4;ti
19、mei_countO=5;HC595_bi】ff!0=0;HC595_bi】ffl=0; break;case 4: 状态4,东西方向红，南北黄灯闪烁 East_Red=l;West_Red=l;if(timei_count 1=50)timei_countl=0:South Yellow=-South Yellow;North_Ydlow=North_Yellow;if(timei_count0=0)TraficLighter_state= 1;timei_count0=5;HC595_bi】ff!0=0;HC595_bi】ffl=0; break;包含头文件宏定义8 UART串口通讯实验#
20、 mclude define umt unsigned mt define uchar unsigned char uchar Rec_No;uchai Rec_Data; uchai- Rec_Addr;uchar Send_ok;uchar Rec.order; uchar Self.Addi;sbit relay=P3A7;严*名称：主程序说明：void main(void)SMO=0;SMI=1;REN=1;TMOD |=0x20;TH1=Oxfd;TL1=Oxfd;TRI=1；PCON &=Ox7f;/ UART串I I初始化串口方式1允许接收定时器T1方式2装载计数器初值启动 Tu
21、ner 1/SMOD=03RT=9600bps;SMOD=1 ,ERT= 19200bps;Send_ok=0;Self.Addr=0x02;ES =1； 打开串I I中断EA =1; 总开关使能/ 人循坏while(l)严* 名称：串II中断服务子程序 功能：*/ void UARTO(void) mtenupt 4 uchar TempO;if(RI=l) 接收到数据 Rec_No+；TenipO=SBUF;RI=O;if(Rec_No=l) Rec_Addr=TempO; 必须软件清零标志else if(Rec_No=2) Rec_oidei-TempO;Rec_No=0;if(Rec_Add L=SelfLAddQif(Rec_ordei-=0x21) relay=O;if(Rec_ordei-=0x2 2)relav=l; if(Rec_ordei-=0x2 0) SEUF=Rec_No;Send_ok=0; if(TI=l)TI=0;if(Send_ok=0) SBUF=35;Send_ok=l;
