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发表于 2024-12-26 16:00:54
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第十一集:矩阵按键
任务2:密码锁
#include "io.h"
u8 State1=0;
u8 State2=0;
u8 State3=0;
u16 Key_Vol=0;
u8 SEG_NUM[]=
{
0x3F, /*'0', 0*/
0x06, /*'1', 1*/
0x5B, /*'2', 2*/
0x4F, /*'3', 3*/
0x66, /*'4', 4*/
0x6D, /*'5', 5*/
0x7D, /*'6', 6*/
0x07, /*'7', 7*/
0x7F, /*'8', 8*/
0x6F, /*'9', 9*/
0x77, /*'A', 10*/
0x7C, /*'B', 11*/
0x39, /*'C', 12*/
0x5E, /*'D', 13*/
0x79, /*'E', 14*/
0x71, /*'F', 15*/
0x40, /*'-', 16*/
0x00, /*' ', 17*/
0x80, /*'.', 18*/
};
u8 T_NUM[8]=
{
0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
};
void LED0_Blink(void)
{
State1=!State1;
P00=State1;
}
void LED1_Blink(void)
{
State2=!State2;
P01=State2;
}
void LED2_Blink(void)
{
State3=!State3;
P02=State3;
}
void Key_Task(void)
{
if( P32==0 )
{
Key_Vol++;
if(Key_Vol == 5)
{
//按键按下的任务
printf("按键单击\r\n");
}
}
else
{
Key_Vol = 0;
}
}
/* #define ROW1 P06
#define ROW2 P07
#define COL1 P00
#define COL2 P01
#define COL3 P02
#define COL4 P03
*/
u8 key_num = 0xff;
//任务1:数码管显示当前的按键号
void Task_1(void)
{
COL1 = 0;
COL2 = 0;
COL3 = 0;
COL4 = 0;
ROW1 = 1;
ROW2 = 1;
if((ROW1 == 0)||(ROW2== 0)) //或
{
if((ROW1 == 0)&&(ROW2== 0)) //与
{
}
else if(((ROW1 == 1)&&(ROW2== 0))||((ROW1 == 0)&&(ROW2== 1)))
{
if (ROW1 ==0)
key_num = 0;
else if (ROW2 ==0)
key_num = 4;
COL1 = 1;
COL2 = 1;
COL3 = 1;
COL4 = 1;
ROW1 = 0;
ROW2 = 0;
if(COL1 == 0)
{
// key_num = key_num;
}
else if(COL2 == 0)
{
key_num = key_num + 1;
}
else if(COL3 == 0)
{
key_num = key_num + 2;
}
else if(COL4 == 0)
{
key_num = key_num + 3;
}
}
COL1 = 0;
COL2 = 0;
COL3 = 0;
COL4 = 0;
ROW1 = 1;
ROW2 = 1;
}
else
{
key_num = 0xff ;
}
}
void Init_595(void)
{
HC595_SER = 0;
HC595_RCK = 0;
HC595_SCK = 0;
}
void Send_595( u8 dat )
{
u8 i;
for(i=0;i<8;i++)
{
dat<<=1; //DAT=(DAT<<1); //CY
HC595_SER = CY; //先把数据写到引脚上
HC595_SCK = 1; //输出上升沿的时钟信号
HC595_SCK = 0;
}
}
void Display_seg(u8 HC595_1,u8 HC595_2)
{
Send_595(HC595_1);
Send_595(HC595_2);
HC595_RCK = 1; //数据输出
HC595_RCK = 0;
}
//void SEG_Task(void)
//{
// if(key_num==255)
// Display_seg(SEG_NUM[17],~T_NUM[0]);
// else
// Display_seg(SEG_NUM[key_num],~T_NUM[0]);
//}
u8 Seg_no =0;
u8 password[8]={16,16,16,16,16,16,16,16};
void SEG_Task(void)
{
u8 num = 0;
if(Seg_no == 0)
{
Display_seg(SEG_NUM[password[0]],~T_NUM[0]);
}
else if(Seg_no == 1)
{
Display_seg(SEG_NUM[password[1]],~T_NUM[1]);
}
else if(Seg_no == 2)
{
Display_seg(SEG_NUM[password[2]],~T_NUM[2]);
}
else if(Seg_no == 3)
{
Display_seg(SEG_NUM[password[3]],~T_NUM[3]);
}
else if(Seg_no == 4)
{
Display_seg(SEG_NUM[password[4]],~T_NUM[4]);
}
else if(Seg_no == 5)
{
Display_seg(SEG_NUM[password[5]],~T_NUM[5]);
}
else if(Seg_no == 6)
{
Display_seg(SEG_NUM[password[6]],~T_NUM[6]);
}
else if(Seg_no == 7)
{
Display_seg(SEG_NUM[password[7]],~T_NUM[7]);
}
else
{
}
Seg_no ++;
if(Seg_no>7)
Seg_no = 0;
}
u8 Key_Vol3=0;
u8 Key_no=0;
void PW_write_Task(void)
{
if( key_num<0xff)
{
Key_Vol3++;
if(Key_Vol3 == 5)
{
if(Key_no==0)
{
password[0]=16;
password[1]=16;
password[2]=16;
password[3]=16;
password[4]=16;
password[5]=16;
password[6]=16;
password[7]=16;
}
password[Key_no]=key_num;
Key_no++;
// password[7]=17;
if(Key_no==8)
{
if((password[0]==1)&&(password[1]==2)&&(password[2]==3)&&(password[3]==4)&&(password[4]==5)&&(password[5]==6)&&(password[6]==7)&&(password[7]==0))
{
password[0]=17;
password[1]=17;
password[2]=17;
password[3]=17;
password[4]=17;
password[5]=17;
password[6]=17;
password[7]=1;
}
else
{
password[0]=16;
password[1]=16;
password[2]=16;
password[3]=16;
password[4]=16;
password[5]=16;
password[6]=16;
password[7]=16;
}
Key_no=0;
}
}
}
else
{
Key_Vol3 = 0;
}
}
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