哪位大佬能看看我这程序,为啥我按键输入一度角度值,电机不能转转动对应角度,是脉冲函数部分错了吗,会的大佬能不能改一下,有感谢
单片机源程序如下:
- #include <reg52.h>
- #include<string.h>
- #include <intrins.h>
- #define uchar unsigned char
- #define uint unsigned int
-
- sbit lcdrs=P2^0; //寄存器选择,0:数据寄存器。1:为状态/命令寄存器
- sbit lcden=P2^1; //--LCD控制引脚
- sbit angle=P3^3; //测转角端口
- sbit ENA=P2^2; //电机使能控制端
- sbit Zheng=P2^5; //正反转电平设置端口
- sbit Fan=P2^6;
- uchar Timer0_flag=0;
- uchar Timer0_BiaoZhi=0;//初始化占空比为1:3(高:低)
- uchar da;
- uchar gewei;
- uchar shiwei;
- uchar baiwei;
- uchar n;
- uchar angel;
- int aa[3];
- /******标志位设置*****/
- uchar KEY1=0;//优先级标志
- uchar KEY2=0;//加速标志
- uchar INT1_FLAG=0;
- uchar COUNTER_high=0;
- uchar COUNTER_low=0;
- uchar SUM=0;
- uint TIMER1_COUNTER=0;
- uint INT1_tingzhi=0; //在要测速时置0
- /****面板显示****/
- uchar code lcd_desktop11[]="stop";//停止
- uchar code lcd_desktop12[]="ford";//正转
- uchar code lcd_desktop13[]=" fanzhuang";//反转
- uchar code lcd_desktop21[]=" speedup";//加速
- uchar code lcd_desktop22[]=" speeddn";//减速
- uchar code num[]={'0','1','2','3','4','5','6','7','8','9'};//要显示的转速数字。
- //-----lcd液晶屏头文件-----//
- /**延时函数**/
- void delayms(uchar xms)
- {
- uchar i,j;
- for(i=xms;i>0;i--)
- for(j=110;j>0;j--);
- }
- /****LCD写命令******/
- void write_command(uchar com)//com写入命令
- {
- lcdrs=0;
- P0=com;
- delayms(2);
- lcden=1;
- delayms(2);
- lcden=0;
- }
- /**************LCD写数据*********/
- void write_data(uchar date)//数据为DATA
- {
- lcdrs=1;
- P0=date;
- delayms(2);
- lcden=1;
- delayms(2);
- lcden=0;
- }
- /********LCD初始化****************/
- void lcd_init()//显示模式设置
- {
- lcden=0;
- write_command(0x38);
- write_command(0x0c);
- write_command(0x06);
- write_command(0x01);
- }
- /**电机初始化函数**/
- void motor_init(void)
- {
- ENA=0; // 停止
- }
- void ZhongDuanKaiQi(void)
- {
- EA=1;
- ET0=1; //计时器0允许中断。产生脉冲。
- ET1=1; //计时器1允许中断。对低电平进行计时。
- //EX1=1; //INT0允许中断。测速。由外部来启动。
- IT1=1; //低电平触发。
- PX1=0; //低级中断。
- PT0=1;
- PT1=0;
- TMOD=0x12;//定时器工作方式控制
- }
- /***定时器T1初始化!!!等待外部脉冲的到来***/
- void Timer1_init(void)
- {
- TH1=0;
- TL1=0; //等待外部脉的到来。INT1
- }
- /*****定时T0初始化*****/
- void Timer0_init(void)
- {
- TH0=0;
- TL0=0;
- TR0=1;
- }
- /********测速模块,显示速度*******/
- /*void speed_test(void)
- {
- // TIMER1_COUNTER;
- COUNTER_high=TH1;
- COUNTER_low=TL1;
- SUM=COUNTER_high*256+COUNTER_low+TIMER1_COUNTER*65536;//得到的是多少us。
- SUM=SUM/1000; //化为毫秒。
- SUM=1000/SUM; //圈每秒。
- SUM=SUM*60; //圈每分钟;三位数。
- gewei=SUM%10;
- shiwei=SUM/10%10;
- baiwei=SUM/100;
- write_command(0xc0);
- write_data(baiwei);
- write_command(0xc1);
- write_data(shiwei);
- write_command(0xc2);
- write_data(gewei);
- SUM=0;
- TIMER1_COUNTER=0;
- }
- /********外中断1函数**********/
- void INT1_QIDONG() interrupt 2
- {
- INT1_tingzhi++;
- if(INT1_tingzhi==5)
- {
- INT1_tingzhi=5;EX1=0;//关闭中断。
- }
- if(INT1_tingzhi<=4)
- {
- INT1_FLAG++;
- if(INT1_FLAG==2)
- {
- INT1_FLAG=0;TR1=0;speed_test();
- }
- else
- {
- Timer1_init();
- TR1=1;
- }
- }
- }
- /******定时器T1计数*******/
- void Timer1_QIDONG() interrupt 3
- {
- TIMER1_COUNTER++;
- }
- /**相位测量并输出!!!!!出现问题???**/
- /*void xiangwei_test(void)
- {
- uchar i=0,j=0;
- //while((P2^3==0)&&(P2^4==0));
- //if((P2^3==0)&&(P2^4==0))
- {
- //delayms(5);
- if(P2^3==1)
- {
- write_command(0x01);
- write_command(0x80);for(i=0;i<=3;i++) write_data(lcd_desktop13[i]);//反转。
- j++;//反转
- }
-
- if(P2^4==1)
- {
- write_command(0x01);
- write_command(0x80);for(i=0;i<=3;i++) write_data(lcd_desktop12[i]);//正转。
- j++;
- }
- }
- }
- /****T0中断发出信号并进行通道选择****/
- void Timer0() interrupt 1
- {
- Timer0_flag--;
- if((Timer0_BiaoZhi)>=(Timer0_flag))
- {
- if(KEY2==0)
- {
- Zheng=1;Fan=0;
- }
- else
- {
- Zheng=0;Fan=1;
- }
- }
- else
- {
- Zheng=0;Fan=0;
- }
- if(Timer0_flag==0) Timer0_flag=5;
- }
- void Guan(void)
- {
- ET0=0;
- EX1=0;
- ET1=0;
- }
- /*********/
- void pulsegenerate(){
- int g,N;
- N=angel*40;
- for(g=0;g<N;g++)
- {
- ENA=0;
- delayms(10);
- ENA=1;
- delayms(10);
- ENA=0;
- delayms(10);
- }
- }
- void keyscan() //按键扫描函数
- {
- uint i=0;
- KEY1=5;
- Fan=0;
- Zheng=0;
- //ENA=1;
- KEY2=0;//初始化为正转。
- Timer0_BiaoZhi=0;
- Timer0_flag=4;
-
- ZhongDuanKaiQi();//开启中断
- Timer0_init();// 初始化并开始发出脉场外中断已经开启。
- EX1=1; //外中断开启;测速,显示速度。五次后结束关闭外中断1。出现问题!!!
-
- write_command(0x80);
- for(i=0;i<strlen(lcd_desktop11);i++)//显示正转。
- write_data(lcd_desktop12[i]);
-
- }
- /******键盘0-9输入模块*******/
- uchar keyin(){ //键盘
- uchar temp;
- uchar com,com1,com2;
- P1=0xf0;
- if(P1!=0xf0){
- com1=P1;
- P1=0x0f;
- com2=P1;
- }
- P1=0xf0;
- while(P1!=0xf0);
- temp=com1|com2;
- if(temp==0xee)com=0x01;
- if(temp==0xed)com=0x02;
- if(temp==0xeb)com=0x03;
- if(temp==0xde)com=0x04;
- if(temp==0xdd)com=0x05;
- if(temp==0xdb)com=0x06;
- if(temp==0xbe)com=0x07;
- if(temp==0xbd)com=0x08;
- if(temp==0xbb)com=0x09;
- if(temp==0x7e)com=0x0a;
- if(temp==0x7d)com=0x00;
- if(temp==0x7b)com=0x0b;
- return com;
- }
- void xianshi(){
- uchar a;
- uchar d=1;
- uchar da;
- P1=0xf0;
- for(a=0;a<d;a++){
- int i1=0;
- while(P1==0xf0);
- da=keyin(); //调用keyin函数
-
- if(da>=0x00&&da<=0x09){
- aa[i1]=da;
- i1++;
- if(i1==3){
- angel=aa[0]*100+aa[1]*10+aa[2];
- i1=0;
- }
- }
- Timer0_flag = angel;
- //if(da>=0x00&&da<=0x09){aa[i1]=da;i1++;if(i1==3){angel1=aa[0]*100+aa[1]*10+aa[2];i1=0;}}
- if(4==d) {
- while(1){
- da=keyin(); //调用keyin函
- if(da==0x0a){
- lcd_init();
- //xianshi();
- }else if(da==0x0b){
- keyscan();
- }
- }
- }
-
- if(da==0x01){
- write_data('1');
- d++;
- }else if(da==0x02){
- write_data('2');
- d++;
- }else if(da==0x03){
- write_data('3');
- d++;
- }else if(da==0x04){
- write_data('4');
- d++;
- }else if(da==0x05){
- write_data('5');
- d++;
- }else if(da==0x06){
- write_data('6');
- d++;
- }else if(da==0x07){
- write_data('7');
- d++;
- }else if(da==0x08){
- write_data('8');
- d++;
- }else if(da==0x09){
- write_data('9');
- d++;
- }else if(da==0x00){
- write_data('0');
- d++;
- }/*else if(da==0x0a){
- lcd_init();
- //xianshi();
- }else if(da==0x0b){
- pulsegenerate();
- break;
- }*/
-
- }
- }
- /***************/
- /*****************/
-
- /* if((key2==0)&&(KEY1=5)) //按键K2按下,(正转)只改变转向(标志位改变输出端口)
- {
- delayms(10);
- if(key2==0)
- {
- while(!key1);
- KEY1=5;
- Fan=0;
- Zheng=0;
- ENA=1;
- KEY2=0;//初始化为正转。
- Timer0_BiaoZhi=0;
- Timer0_flag=4;
-
- ZhongDuanKaiQi();//开启中断
- Timer0_init();// 初始化并开始发出脉场外中断已经开启。
- EX1=1; //外中断开启;测速,显示速度。五次后结束关闭外中断1。出现问题!!!
-
- write_command(0x80);
- for(i=0;i<strlen(lcd_desktop11);i++)//显示正转。
- write_data(lcd_desktop12[i]);
- }
- }
-
- if((key3==0)&&(KEY1=5)) //按键K3按下,(反转)只改变转向
- {
- delayms(10);
- if(key3==0)
- {
- while(!key3);
- KEY2=~0; //反转标志。
- //KEY2=(~0);
- xiangwei_test();
- KEY1=5;
- lcd_init();
- for(n=0;n<10;n++){
- write_data(lcd_desktop13[n]);}
- }
- }
- if((key4==0)&&(KEY1==5)) //按键K4按下,(加速)改变装入的数值?循环次数?执行if里面的语句,通过size++来改变幅值的频率
- {
- delayms(10);
- if(key4==0)
- {
- while(!key4);
- if(Timer0_BiaoZhi<4)
- {
- Timer0_BiaoZhi++;
- }
- else
- {
- Timer0_BiaoZhi=4;
- }
- EX1=1;
- KEY1=5;
- lcd_init();
- for(n=0;n<8;n++){
- write_data(lcd_desktop21[n]);}
- }
-
- }
-
- if((key5==0)&&(KEY1==5)) //按键K5按下,(减速)对其它标志位没有影响。
- {
- delayms(5);
- if(key5==0)
- {
- while(!key5);
- if(Timer0_BiaoZhi==0)
- {
- Timer0_BiaoZhi=0;
- }
- else
- {
- Timer0_BiaoZhi--;
- }
- EX1=1;
- KEY1=5;
- lcd_init();
- for(n=0;n<8;n++){
- write_data(lcd_desktop22[n]);}
- }
- }
- if((key6==0)&&(KEY1==5))//按键K6按下,电机停止转动使能端和计数启动关闭,计数器工作否?设立标志位。此按键按下后除K1外无法启动
- {
- delayms(5);
- if(key6==0)
- {
- while(!key6);
- //置位,保证后续操作正常。
-
-
-
- EA=0; //总中断关
- motor_init(); //电机关
- lcd_init();
- Guan();
-
- }
- }
- }
-
- /*主函数*/
- void main()
- {
- ZhongDuanKaiQi();//初始化
- motor_init(); //电机停止
- lcd_init();
- while(1)
- {
- xianshi();
-
- }
- }
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