仪器网（yiqi.com）欢迎您！

参与评论

评论

登录后参与评论

全部评论(1条)

• 

  减肥瘦身enjoy 2016-08-01 06:53:36

  #include<reg51.h> #include<1602.c> #include<u-wave.c> uchar i; void delay(uint x) { uchar i; while(x--) for(i=120;i>0;i--); } void init() { LCD_init(); u_wave_init(); for(i=0;i<16;i++) { write_com(0x80+i); write_data(tab0[i]); } for(i=0;i<16;i++) { write_com(0x80+0x40+i); write_data(tab1[i]); } } void main() { init(); while(1) { u_wave(); show(handle()); delay(100); } } /************u-wave.c的头文件“u-wave.c“*******************/ sbit trig=P3^1; sbit echo=P3^2; sbit fm=P2^3; uint TH0_1，TL0_1，T，space_2，space_3; float space_1; uchar code tab0[]=" space "; uchar code tab1[]=" cm "; void delayus() { uchar x; for(x=100;x>0;x--); } void u_wave_init() { trig=0; TMOD=0x01; TH0=0; TL0=0; ET0=1; TR0=0; EX0=1; IT0=1; EA=0; } uint handle() { uchar i; T=(TH0_1<<8)|TL0_1; space_1=0.01853*T; space_2=space_1; if(space_2<500) { space_3=space_2; } else { i++; if(i==2) { i=0; space_3=9999; fm=~fm; } } return space_3; } void u_wave() { trig=1; delayus(); trig=0; while(echo==0); EA=1; TR0=1; TH0=0; TL0=0; } void time0() interrupt 1 { TH0=0; TL0=0; } void int0() interrupt 0 { TR0=0; TH0_1=TH0; TL0_1=TL0; } /************1602的头文件“1602.c“*******************/ #define uint unsigned int #define uchar unsigned char sbit RS=P1^0; sbit W=P1^1; sbit EN=P2^5; uchar dat; #define w_com RS=0; #define w_data RS=1; #define read W=1; #define write W=0; uchar N1，N2，N3，N4，N5，N6，choose; void delay1602(uint x) { uchar i; while(x--) for(i=120;i>0;i--); } void write_com(uchar com) { w_com; P0=com; delay1602(1); EN=1; delay1602(1); EN=0; } void write_data(uchar date) { w_data; P0=date; delay1602(1); EN=1; delay1602(1); EN=0; } void LCD_init() { EN=0; write; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); } void show(unsigned long space) { uchar i; N1=space/100000; N2=space%100000/10000; N3=space%100000%10000/1000; N4=space%100000%10000%1000/100; N5=space%100000%10000%1000%100/10; N6=space%100000%10000%1000%10; for(i=0;i<6;i++) { switch(i) { case 0:choose=N1;break; case 1:choose=N2;break; case 2:choose=N3;break; case 3:choose=N4;break; case 4:choose=N5;break; case 5:choose=N6;break; } write_com(0x80+0x43+i); write_data(0x30+choose); } }

  赞(5)

  回复(0)

  评论

  评论

  登录后参与评论