步进电机+数码管显示

1、/*河南工业大学电气工程学院测控1001刘欣如有错误欢迎致电hellohaut共同学习 共同进步*/*步进电机的驱动*程序名称: 按键控制电机正反转，数码管动感显示正反转说明：使用本程序你必须把 SE5设置为ON(2-3)短接;FOSC = 12MHz;-; 步进电机的驱动信号必须为脉冲信号! 转动的速度和脉冲的频率成正比! ; 本步进电机步进角为 5.625度 . 一圈 360 度 , 需要64个脉冲完成!;-; A组线圈对应 P1.4; B组线圈对应 P1.5; C组线圈对应 P1.6; D组线圈对应 P1.7; 正转次序: AB组-BC组-CD组-DA组 (即一个脉冲,正转5.625度)

2、;-*/*头文件*/#include #include #define uint unsigned int#define uchar unsigned char#define _Nop() _nop_()/*端口定义*/#define sled_dm_port P0 /*定义LED显示的段码数据脚*/#define sled_wm_port P2 /*定义LED显示的位码数据脚*/#define motor P1 /*步进电机接口*/sbit P33 = P34; /*控制正转按键*/sbit P34 = P11; /*控制电机停止*/sbit P10 = P33; /*控制电机反转*/uch

3、ar code table1=0x3f,0x6f,0xcf,0x9f; /*正转表*/uchar code table2=0x3f,0x9f,0xcf,0x6f; /*反转表*/*定义数码管显示字符跟数字的对应数组关系*/uchar code mun_to_char=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e;/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */*定义需要点亮的数码管*/uchar code sled_bit_table=0x7f,0xbf,

4、0xdf,0xef,0xf7,0xfb,0xfd,0xfe;uchar data sled_data8=0xff,0xc0,0xc0,0xff,0xff,0xc0,0xc0,0xff; /*0-7号SLED缓冲值*/uchar data led_lighten_bit=0 ; /*LED灯点亮标志位0-7*/uchar code SLED_TABLE= /*数码管动感显示*/0xff,0xff,0xce,0xfe,0xfe,0xff,0xff,0xff,0xff,0xff,0xde,0xfe,0xfe,0xfe,0xff,0xff,0xff,0xff,0xfe,0xfe,0xfe,0xfc,0

5、xff,0xff,0xff,0xff,0xff,0xfe,0xfe,0xf8,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xf0,0xff,0xff,0xff,0xff,0xff,0xff,0xf7,0xf0,0xff,0xff,0xff,0xff,0xff,0xf7,0xf7,0xf1,0xff,0xff,0xff,0xff,0xf7,0xf7,0xf7,0xf3,0xff,0xff,0xff,0xff,0xe7,0xf7,0xf7,0xf7,0xff,0xff,0xff,0xff,0xc7,0xf7,0xf7,0xff,0xff,0xff,0xff,0xff,0

6、xc6,0xf7,0xff,0xff,0xff,0xff,0xff,0xff,0xc6,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xc6,0xf6,0xf6,0xf0,0xff,0xff,;/*-显示部分程序,采用定时器0产生中断，1MS更新一次-*/void SLED_Disp() interrupt 1 using 3TH0 = (65536-1000)/256;TL0 = (65536-1000)/256;sled_wm_port = 0xff; /*关闭显示*/sled_dm_port = sled_dataled_lighten_bit; /*输出段码数

7、据到数码管*/sled_wm_port = sled_bit_tableled_lighten_bit; /*输出位码数据到数码管*/ led_lighten_bit+;if(led_lighten_bit=8) led_lighten_bit=0; /*8位数码管全动态输出*/ void T0_valueSet() /*定义中断方式，中断时间*/TMOD = 0x01; /*定时0，工作在方式1*/TH0 = (65536-1000)/256;TL0 = (65536-1000)/256;TR0 = 1; /*启动计数*/EA = 1; /*开总中断*/ET0 = 1; /*开定时器0中断*

8、/return;/*1MS为单位的延时程序*/void delay_1ms(uchar x)uchar j;while(x-) for(j=0;j=10) temp1 = 0; temp0+; if(temp011) temp0 = 0; /*显示完成一个周期*/ else if(yunzhuang=2) motor = table2count; /*电机反转*/ temp1+; if(temp110) temp1 = 0; temp0-; if(temp011) temp0 = 11; /*显示完成一个周期*/ count+; if(count=4) count=0; delay_1ms(10); for(i=0;i8;i+) sled_datai = SLED_TABLEtemp0*8+i; /*刷新显示*/ if(P33=0) delay_1ms(1); if(P33=0) yun