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回复 楼主castle36318700 的帖子
//数码管位 高位-----低位
//四个按键控制步进电机：正转，反转，加1，减1，停止
//上电时电机启动，数码管上显示速度最小档1，加减档位均能通过数码管显示出来，电机采用单双八拍方式
//电机转速一共10档，通过按键调节转速
//电机正转时最高位数码管显示0，反转时显示1
#include
#define uchar unsigned char
#define uint unsigned int
#define LED_data P0 //数码管数据口
#define haha P2
sbit key_zz = P1^0;
sbit key_fz = P1^1;
sbit key_add = P3^0;
sbit key_sub = P3^1;
sbit key_ove=p1^7;//按键定义,s1正转，s2反转，s3加1，s4减1 ,停止
sbit wei3 = P2^3;
sbit wei2 = P2^2;
sbit wei1 = P2^1;
sbit wei0 = P2^0;//数码管位选定义
sbit a = P2^7;
sbit a1 = P2^6;
sbit b = P2^5;
sbit b1 = P2^4;//脉冲信号输入端定义
uchar code seg_code[11]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};//共阳数码管驱动信号0---9，不显示
uchar code T_count[10][2]={{0xda,0x1c},{0xde,0xe4},{0xe1,0xec},{0xe5,0xd4},{0xe9,0xbc}, //9.7 ----1ms
{0xed,0xa4},{0xf1,0x8c},{0xf5,0x74},{0xf9,0x5c},{0xfc,0x18}};
uchar code Motor_driver[8]={0x80,0xc0,0x40,0x60,0x20,0x30,0x10,0x90};
uchar num1 = 0;//控制取励磁信号变量
uchar num2 = 8;
uchar k=1;//加减档位控制，1为最小档
bit Run_dir_flag = 0;//初始正转，正反转标志
uchar Display_num[4]={0,10,0,1};//数码管显示缓存，正转，不显示，显示0，显示1档位,高----低
//================================定时器0/1初始化函数================================
void T0_T1_init()
{
TMOD = 0x11;//定时器0/1均工作于方式1,16位计时方式
TH0 = (65536 - 4000)/256;
TL0 = (65536 - 4000)%256;//定时器0，定时4ms用于数码管扫描显示
TH1 = T_count[k-1][0];
TL1 = T_count[k-1][1];//定时器1，定时10ms用于步进电机转速控制
TR0 = 1;
TR1 = 1;
ET0 = 1;
ET1= 1;//开定时器中断
EA = 1;//开总中断
}
//================================ms级延时函数=======================================
void delay1m(uint x)
{
uint i,j;
for(i=0;i
for(j=0;j<120;j++); //数120 次，约1 ms
}
//================================主函数=============================================
void main()
{
T0_T1_init();
Display_num[1] = 10;//不显示
while(1)
{ if(key_ove==0)
{break; }
if(key_zz == 0)
{
delay1m(3);
if(key_zz == 0)
{
Run_dir_flag = 0;//正转
Display_num[0] = 0;//最高位显示0
haha = 0x00;//停止
}
while(!key_zz);
} if(key_ove==0)
{break; }
if(key_fz == 0 )
{
delay1m(3);
if(key_fz == 0)
{
Run_dir_flag = 1;//反转
Display_num[0] = 1;//最高位显示1
haha = 0x00;//停止
}
while(!key_fz);
} if(key_ove==0)
{break; }
if(key_add == 0) //速度加1档
{
delay1m(3);
if(key_add == 0)
{
k++;
if(k > 10 )
{
k = 1;
}
Display_num[2]= k/10;
Display_num[3]= k%10;
}
while(!key_add);
} if(key_ove==0)
{break; }
if(key_sub == 0) //速度减1档
{
delay1m(3);
if(key_sub == 0)
{
k--;
if(k == 0)
{
k = 10;
}
Display_num[2]= k/10;
Display_num[3]= k%10;
}
while(!key_sub);
}
}
}
//==================================定时器0中断函数，用于数码管扫描显示====================================
void time0_interrupt()interrupt 1
{
static num = 0;
TH0 = (65536 - 4000)/256;
TL0 = (65536 - 4000)%256;//定时器0，定时4ms用于数码管扫描显示
switch(num)
{
case 0:wei3=1;wei2=1;wei1=1;wei0=0;LED_data = seg_code[Display_num[3]];break;
case 1:wei3=1;wei2=1;wei1=0;wei0=1;LED_data = seg_code[Display_num[2]];break;
case 2:wei3=1;wei2=0;wei1=1;wei0=1;LED_data = seg_code[Display_num[1]];break;
case 3:wei3=0;wei2=1;wei1=1;wei0=1;LED_data = seg_code[Display_num[0]];break;
}
num++;
if(num == 4) num = 0;
}
//==================================定时器1中断函数，用于脉冲频率控制=====================================
void time1_interrupt()interrupt 3
{
static num1 = 0;
static num2 = 0;
TH1 = T_count[k-1][0];
TL1 = T_count[k-1][1];//定时器1，定时1 用于步进电机转速控制
if(Run_dir_flag == 0)//正转
{
switch(num1)
{
case 0:a = 1;a1 = 0;b = 0;b1 = 0;break;
case 1:a = 1;a1 = 1;b = 0;b1 = 0;break;
case 2:a = 0;a1 = 1;b = 0;b1 = 0;break;
case 3:a = 0;a1 = 1;b = 1;b1 = 0;break;
case 4:a = 0;a1 = 0;b = 1;b1 = 0;break;
case 5:a = 0;a1 = 0;b = 1;b1 = 1;break;
case 6:a = 0;a1 = 0;b = 0;b1 = 1;break;
case 7:a = 1;a1 = 0;b = 0;b1 = 1;break;
}
num1++;
if(num1 == 8)num1 = 0;
}
else //反转
{
switch(num2)
{
case 0:a = 1;a1 = 0;b = 0;b1 = 1;break;
case 1:a = 0;a1 = 0;b = 0;b1 = 1;break;
case 2:a = 0;a1 = 0;b = 1;b1 = 1;break;
case 3:a = 0;a1 = 0;b = 1;b1 = 0;break;
case 4:a = 0;a1 = 1;b = 1;b1 = 0;break;
case 5:a = 0;a1 = 1;b = 0;b1 = 0;break;
case 6:a = 1;a1 = 1;b = 0;b1 = 0;break;
case 7:a = 1;a1 = 0;b = 0;b1 = 0;break;
}
num2++;
if(num2 == 8)num2 = 0;
}
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