|
#include <showfun.h> #include <stdio.h> //#include<aa.h> extern char fnLCMInit(); // LCM 初始化 extern void at(unsigned char x,unsigned char y);/*设定文本x,y值*/ extern void cls(); // 清屏 extern void charout(unsigned char *str); //ASCII(8*8) 显示函数 extern void fnSetPos(unsigned char urow, unsigned char ucol); //设置当前地址 extern uchar dprintf(uchar x,uchar y,char *fmt);// ASCII(8*16) 及 汉字(16*16) 显示函数 extern uchar fnPR12(uchar uCmd); // 写无参数的指令 extern uchar fnPR13(uchar uData); // 写数据 extern unsigned int Adc0832(unsigned char channel); extern void Line( unsigned char x1, unsigned char y1, unsigned char x2,unsigned char y2, bit Mode); extern void Pixel(unsigned char PointX,unsigned char PointY, bit Mode); uchar dsp[10]={0,0,0,0,0,0,0,0,0,0,}; //char abc[3]={0,0,0,}; uchar key=0; //键值 uint a=100; //周期转速 uchar n=5; //调速间隔 uchar count=1; //计数 uint k1=0; uchar GeyKey(); void delay(uchar i); void control(); main() { fnLCMInit(); fnSetPos(0,0); dprintf(0,0,"直流电机加-减速及测速系统"); dprintf(0,12,"键盘+:步长加速"); dprintf(0,24,"键盘-:步长减速"); dprintf(0,36,"键盘=:顺时针转"); dprintf(0,48,"键盘on/c:逆时针转"); dprintf(0,72,"方向:"); dprintf(0,84,"转速:"); P1_1=0; //停止 TMOD=0x15; TH1=0x3c; TL1=0xb0; //50ms TH0=0x00; TL0=0x00; ET0=1; ET1=1; TR0=1; TR1=1; while(1) { key=GeyKey(); control(); switch(key) { case '1': { a=10; //sprintf(abc,"%3.2f",a/255.0); dprintf(0,96," 5 r/min"); //dprintf(0,96,abc); dprintf(60,96,"r/min"); break; } case '2': { a=25;dprintf(0,96," 25 r/min"); break; } case '3': { a=40; dprintf(0,96," 40 r/min"); break; } case '4': { a=55; dprintf(0,96," 60 r/min"); break; } case '5': { a=70; dprintf(0,96," 80 r/min"); break; } case '6': { a=90; dprintf(0,96,"100 r/min"); break; } case '7': { a=110; dprintf(0,96,"120 r/min"); break; } case '8': { a=130; dprintf(0,96,"135 r/min"); break; } case '9': { a=150; dprintf(0,96,"150 r/min"); break; } case '+': { dprintf(0,72,"方向: 顺时针"); // control(); break; } case '-': { P1_0=0; dprintf(0,72,"方向: 逆时针"); // control(); break; } case '=':{P1_0=1;dprintf(0,72,"方向: 顺时针");break;} case 'c':{P1_0=0;dprintf(0,72,"方向: 逆时针");break;} case '0':{dprintf(0,72,"方向: 顺时针"); // control(); } default: break; } } } uchar GeyKey() { P1_4=0; P1_5=1; P1_6=1; P1_7=1; P3_0=1; P3_1=1; P3_2=1; P3_3=1; _nop_();_nop_(); if(!P3_0)return'7'; if(!P3_1)return'8'; if(!P3_2)return'9'; if(!P3_3)return '/'; P1_4=1; P1_5=0; P1_6=1; P1_7=1; _nop_();_nop_(); if(!P3_0)return'4'; if(!P3_1)return'5'; if(!P3_2)return'6'; if(!P3_3)return '*'; P1_4=1; P1_5=1; P1_6=0; P1_7=1; _nop_();_nop_(); if(!P3_0)return '1'; if(!P3_1)return'2'; if(!P3_2)return'3'; if(!P3_3)return '-'; P1_4=1; P1_5=1; P1_6=1; P1_7=0; _nop_();_nop_(); if(!P3_0)return'c'; if(!P3_1)return'0'; if(!P3_2)return'='; if(!P3_3)return '+'; return 0; } void delay(uchar i) { uchar j,k; for(;i>0;i--) for(j=15;j>0;j--) for(k=11;k>0;k--); } void time()interrupt 3 { TR1=0; count++; k1+=TL0; if(count==51) { sprintf(dsp,"%3d",k1); dprintf(0,108,dsp); dprintf(60,108,"r/min"); count=1; k1=0; } TH1=0x3c; TL1=0xb0; TH0=0x00; TL0=0x00; TR1=1; } void control() { EA=1; while(1) { if(a>=150) a=150; if(a<=10) a=10; P1_1=0; delay(160-a); P1_1=1; //启动 delay(a); key=GeyKey(); if(key=='-') a-=n; else if(key=='+') a+=n; else if(key=='=') { P1_0=1; dprintf(0,72,"方向: 顺时针"); } else if(key=='c') { P1_0=0; dprintf(0,72,"方向: 逆时针"); } else if(key=='*') //停止 { P1_1=0; break; } else if(key!=0) break; } EA=0; }
| 
