|
|
本帖最后由 朝朝1 于 2021-1-14 17:56 編輯
- #include<reg52.h>
- #define DataPort P0
- sbit LATCH1=P2^6;
- sbit LATCH2=P2^7;
- sbit BEEP=P2^3;
- sbit key=P3^4;
- unsigned char num1;
- unsigned char code dofly_DuanMa[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,
- 0x77,0x7c,0x39,0x5e,0x79,0x71};
- unsigned char code dofly_WeiMa[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
- unsigned char TempData[8];
- void DelayUs2x(unsigned char t);
- void DelayMs(unsigned char t);
- void Display(unsigned char FirstBit,unsigned char Num);
- unsigned char KeyScan(void);
- unsigned char KeyPro(void);
- void Init_Timer0(void);
- void beep();
- void main (void)
- {
- unsigned char num;
- Init_Timer0();
- while (1)
- {
-
- KeyPro();
- num=KeyPro();
- if(num!=0xff)
- {
- TempData[1]=dofly_DuanMa[num1];
-
- }
-
-
- }
-
- }
-
-
- void DelayUs2x(unsigned char t)
- {
- while(--t);
- }
- void DelayMs(unsigned char t)
- {
- while(t--)
- {
- //????1mS
- DelayUs2x(245);
- DelayUs2x(245);
-
- }
- }
- void Display(unsigned char FirstBit,unsigned char Num)
- {
- static unsigned char i=0;
-
- DataPort=0; //????,???????
- LATCH1=1; //???
- LATCH1=0;
- DataPort=dofly_WeiMa[i+FirstBit]; //???
- LATCH2=1; //???
- LATCH2=0;
- DataPort=TempData[i]; //?????,??
- LATCH1=1; //???
- LATCH1=0;
- i++;
- if(i==Num)
- i=0;
- }
- void Init_Timer0(void)
- {
- TMOD |= 0x01; //????1,16????,??"|"?????????????????
- //TH0=0x00; //????
- //TL0=0x00;
- EA=1; //?????
- ET0=1; //???????
- TR0=1; //???????
- }
- void Timer0_isr(void) interrupt 1
- {
- TH0=(65536-2000)/256; //???? 2ms
- TL0=(65536-2000)%256;
- Display(0,8); // ???????
- }
- unsigned char KeyScan(void) //??????,?????????
- {
- unsigned char temp,num;//???????
- P3=0x0f; //??????0
- temp=P3&0x0f; //?????
- if(temp!=0x0f) //?????????
- {
- DelayMs(10); //??
- if((P3&0x0f)!=0x0f)
- {
- temp=P3&0x0f; //?????
- P3=temp|0xf0; //???????
- num=P3&0xf0; //?????
- while((P3&0xf0)!=0xf0);//???????
- return(temp+num);//????????
- }
- } //????
- }
- /*
- unsigned char KeyPro(void)
- {
- switch(KeyScan())
- {
- case 0x7e:return 0;break;//0 ??????????????
- case 0x7d:return 1;break;//1
- case 0x7b:return 2;break;//2
- case 0x77:return 3;break;//3
- case 0xbe:return 4;break;//4
- case 0xbd:return 5;break;//5
- case 0xbb:return 6;break;//6
- case 0xb7:return 7;break;//7
- case 0xde:return 8;break;//8
- case 0xdd:return 9;break;//9
- case 0xdb:return 10;break;//a
- case 0xd7:return 11;break;//b
- case 0xee:return 12;break;//c
- case 0xed:return 13;break;//d
- case 0xeb:return 14;break;//e
- case 0xe7:return 15;break;//f
- default:return 0xff;break;
- }
- }
- */
- void beep()
- {
- unsigned char y;
- BEEP=0;
- DelayMs(0.8);
- BEEP=1; //?????
- }
- unsigned char KeyPro(void)
- {
- switch(KeyScan())
- {
- case 0x7e:num1=0;break;//0 ??????????????
- case 0x7d:num1=1;break;//1
- case 0x7b:num1=2;break;//2
- case 0x77:num1=3;break;//3
- case 0xbe:num1=4;break;//4
- case 0xbd:num1=5;break;//5
- case 0xbb:num1=6;break;//6
- case 0xb7:num1=7;break;//7
- case 0xde:num1=8;break;//8
- case 0xdd:num1=9;break;//9
- case 0xdb:num1=10;break;//a
- case 0xd7:num1=11;break;//b
- case 0xee:num1=12;break;//c
- case 0xed:num1=13;break;//d
- case 0xeb:num1=14;break;//e
- case 0xe7:num1=15;break;//f
- default:return 0xff;break;
- }
- }
|
|
QQ好友和群
QQ空間
騰訊微博
騰訊朋友
收藏
淘帖
頂
踩
