51单片机用四个按键同时控制数码管和步进电机,按键作为加减器,数码管...答:sbit F2 = P1^1;sbit F3 = P1^2;sbit F4 = P1^3;unsigned char code FFW[8]={0xfe,0xfc,0xfd,0xf9,0xfb,0xf3,0xf7,0xf6}; //反转 unsigned char code FFZ[8]={0xf6,0xf7,0xf3,0xfb,0xf9,0xfd,0xfc,0xfe}; //正转 unsigned int K;/ 步进电机驱动 / void motor_...
51单片机按键控制数码管数据的加减答:DATEQU 30HSCANLEDEQU 32HFSDATEQU 33HORG 0000HLJMP MAINORG 000BHLJMP T0ISRORG 0030HMAIN:MOV SP,#5FHMOV TMOD,#01HMOV TH0,#0F4HMOV TL0,#048HMOV P2,#00HMOV SCANLED,#0MOV 30H,#2MOV 31H,#0MOV FSDAT,#20SETB EASETB ET0SETB TR0LOOP:JB P3.0,$JNB P3.0,$DEC FS...
51单片机汇编四个数码管三个按键加一减一复位答:31HJNZ LOOP11MOV 31H,#9MOV A,32HJNZ LOOP12MOV 32H,#9MOV A,33HJNZ LOOP13MOV 33H,#9SJMP LOOPLOOP10:DEC AMOV 30H,ASJMP LOOPLOOP11:DEC AMOV 31H,ASJMP LOOPLOOP12:DEC AMOV 32H,ASJMP LOOPLOOP13:DEC AMOV 33H,ASJMP LOOPLOOP2:MOV 30H,#0MOV 31H,#0MOV 32H,#0MOV ...
关于51单片机C语言 数码管 4*4按键 简单的密码锁 请您帮助一下_百度知...答:关于51单片机C语言 数码管 4*4按键 简单的密码锁 请您帮助一下 密码是1请在这个程序上加#include<reg51.h>#include<INTRINS.H>#definePORT_P0P0#definePORT_P1P1unsignedchara[11]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xc0};sbit... 密码是1 请在这个程序上加#include <reg...
51单片机 控制四位数码管 汇编程序答:;显示缓冲单元在72H—75H DISPLAY:MOV DPTR,#TAB CLR P3.3 MOV A,72H MOVC A,@A+DPTR LOP1:MOV P2,A LCALL DL1MS SETB P3.3 CLR P3.2 MOV A,73H MOVC A,@A+DPTR LOP2:MOV P2,A LCALL DL1MS SETB P3.2 CLR P3.1 MOV A,74H MOVC A,@A+DPTR LOP3:MOV P2,A LCALL ...