实现效果：
/*
* @Author: Guoquan Wei
* @Date: 2018-01-23 11:03:32
* @Last Modified by: Guoquan Wei
* @Last Modified time: 2018-01-23 11:12:22
*/
#include
#define uchar unsigned char
#define uint unsigned int
uchar datable[] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71}; //定义段选
uchar watable[] = {0x3f, 0x1f, 0x2f, 0x37, 0x3b, 0x3d, 0x3e}; //定义位选，位选六位，最高两位初始化定为零
uchar lovetable[] = {5, 2, 0, 1, 3, 1, 4};
uchar *start = lovetable; //只是记录lovetable首地址，它不会改变
uchar *p = lovetable; // 指针
uchar *q;
***it dula = P2 ^ 6;
***it wela = P2 ^ 7;
#define KEY P3
int truenum, totalnum;
uchar flag;
void delayms(int x)
{
int i, j;
for (i = 0; i < x; i++)
for (j = 0; j < 110; j++)
;
}
void display(uchar numdis) //numdis是要显示的数字
{
uchar shi, ge;
shi = numdis / 10;
ge = numdis % 10;
dula = 1;
P0 = datable[shi];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[2];
wela = 0;
delayms(1);
dula = 1;
P0 = datable[ge];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[1];
wela = 0;
delayms(1);
}
void display1(uchar numdis) //numdis是要显示的数字
{
uchar shi, ge;
shi = numdis / 10;
ge = numdis % 10;
dula = 1;
P0 = datable[shi];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[6];
wela = 0;
delayms(1);
dula = 1;
P0 = datable[ge];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[5];
wela = 0;
delayms(1);
}
//-------------------------------------------
unsigned char Keyboard(void)
{
unsigned char x, y, z = 0, jz;
KEY = 0xf0; //低四位置低，即行接低
if (KEY != 0xf0) //是否有按键按下
{
delayms(100); //去抖
if (KEY != 0xf0) //确实有按键按下
{
x = KEY; //读取按键所在的行
KEY = 0x0f; //高四位置低，即列接低
y = KEY; //读取按键所在的列
z = x | y; //按键的坐标为行+列
while (KEY != 0x0f)
; //等待按键抬起
}
}
switch (z)
{
case 0xee:
{
jz = 0;
break;
} //按键值显示为0
case 0xde:
{
jz = 1;
break;
} //按键值显示为1
case 0xbe:
{
jz = 2;
break;
}
case 0x7e:
{
jz = 3;
break;
}
case 0xed:
{
jz = 4;
break;
}
case 0xdd:
{
jz = 5;
break;
}
case 0xbd:
{
jz = 6;
break;
}
case 0x7d:
{
jz = 7;
break;
}
case 0xeb:
{
jz = 8;
break;
}
case 0xdb:
{
jz = 9;
break;
}
case 0xbb:
{
jz = 10;
break;
}
case 0x7b:
{
jz = 11;
break;
}
case 0xe7:
{
jz = 12;
break;
}
case 0xd7:
{
jz = 13;
break;
}
case 0xb7:
{
jz = 14;
break;
}
case 0x77:
{
jz = 15;
break;
}
default:
{
jz = 16;
break;
} // 没有按键按下，返回16
}
return jz;
}
/*if (key == 0) //答题正确
{
truenum++;
totalnum++;
flag = 1;
}
if (key == 1) //答题错误
{
totalnum++;
flag = 2;
}
if (key == 2)
{
if (flag == 1)
{
if (totalnum > 0)
{
truenum--;
totalnum--;
}
}
if (flag == 2)
{
if (totalnum > 0)
{
totalnum--;
}
}
flag = 0; //表明本次执行的是按键3
}*/
int main()
{
uchar key;
int i, j, k;
while (totalnum < 3)
{
display(truenum);
display1(totalnum);
key = Keyboard();
if (key == 0) //答题正确
{
truenum++;
totalnum++;
flag = 1;
}
if (key == 1) //答题错误
{
totalnum++;
flag = 2;
}
if (key == 2)
{
if (flag == 1)
{
if (totalnum > 0)
{
truenum--;
totalnum--;
}
}
if (flag == 2)
{
if (totalnum > 0)
{
totalnum--;
}
}
flag = 0; //表明本次执行的是按键3
}
}
/*while (1)
{
dula = 1;
P0 = datable[5];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[3];
wela = 0;
delayms(1);
dula = 1;
P0 = datable[2];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[2];
wela = 0;
delayms(1);
dula = 1;
P0 = datable[0];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[1];
wela = 0;
delayms(1);
}*/
while (1)
{
//start存储lovetable的首地址，且一直都不变；q是一直存储着start+k的地址，在内层的for循环里是不变的,q其实表示最左边数码管在一段时间内要显示的数对应的lovetable的地址；只有p一直在变，它用来显示段选
for (k = 0; k < 7; k++)
for (i = 1, j = 0, q = p = start + k; j < 300; i++, j++)
{
if (i >= 7)
{
i = 1;
}
dula = 1;
P0 = datable[*p++];
if (p >= start + 7)//p指向lovetable末尾的下一位时，把p移到start
{
p = start;
}
if (p - q == 6 || q - p == 1)//因为数码管是6位，而要显示7位，所以只能选取其中的六位。当p在q的后面时，p-q==6时，就要归位了；当q在p的后面时，则q-p==1时归位。
{
p = q;
}
dula = 0;
P0 = 0xff;
P0 = 0xff;
P0 = 0xff;
P0 = 0xff;
P0 = 0xff;
wela = 1;
P0 = watable[7 - i];
wela = 0;
P0 = 0xff;
P0 = 0xff;
delayms(5);
}
}
}
实现效果：
/*
* @Author: Guoquan Wei
* @Date: 2018-01-23 11:03:32
* @Last Modified by: Guoquan Wei
* @Last Modified time: 2018-01-23 11:12:22
*/
#include
#define uchar unsigned char
#define uint unsigned int
uchar datable[] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71}; //定义段选
uchar watable[] = {0x3f, 0x1f, 0x2f, 0x37, 0x3b, 0x3d, 0x3e}; //定义位选，位选六位，最高两位初始化定为零
uchar lovetable[] = {5, 2, 0, 1, 3, 1, 4};
uchar *start = lovetable; //只是记录lovetable首地址，它不会改变
uchar *p = lovetable; // 指针
uchar *q;
***it dula = P2 ^ 6;
***it wela = P2 ^ 7;
#define KEY P3
int truenum, totalnum;
uchar flag;
void delayms(int x)
{
int i, j;
for (i = 0; i < x; i++)
for (j = 0; j < 110; j++)
;
}
void display(uchar numdis) //numdis是要显示的数字
{
uchar shi, ge;
shi = numdis / 10;
ge = numdis % 10;
dula = 1;
P0 = datable[shi];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[2];
wela = 0;
delayms(1);
dula = 1;
P0 = datable[ge];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[1];
wela = 0;
delayms(1);
}
void display1(uchar numdis) //numdis是要显示的数字
{
uchar shi, ge;
shi = numdis / 10;
ge = numdis % 10;
dula = 1;
P0 = datable[shi];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[6];
wela = 0;
delayms(1);
dula = 1;
P0 = datable[ge];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[5];
wela = 0;
delayms(1);
}
//-------------------------------------------
unsigned char Keyboard(void)
{
unsigned char x, y, z = 0, jz;
KEY = 0xf0; //低四位置低，即行接低
if (KEY != 0xf0) //是否有按键按下
{
delayms(100); //去抖
if (KEY != 0xf0) //确实有按键按下
{
x = KEY; //读取按键所在的行
KEY = 0x0f; //高四位置低，即列接低
y = KEY; //读取按键所在的列
z = x | y; //按键的坐标为行+列
while (KEY != 0x0f)
; //等待按键抬起
}
}
switch (z)
{
case 0xee:
{
jz = 0;
break;
} //按键值显示为0
case 0xde:
{
jz = 1;
break;
} //按键值显示为1
case 0xbe:
{
jz = 2;
break;
}
case 0x7e:
{
jz = 3;
break;
}
case 0xed:
{
jz = 4;
break;
}
case 0xdd:
{
jz = 5;
break;
}
case 0xbd:
{
jz = 6;
break;
}
case 0x7d:
{
jz = 7;
break;
}
case 0xeb:
{
jz = 8;
break;
}
case 0xdb:
{
jz = 9;
break;
}
case 0xbb:
{
jz = 10;
break;
}
case 0x7b:
{
jz = 11;
break;
}
case 0xe7:
{
jz = 12;
break;
}
case 0xd7:
{
jz = 13;
break;
}
case 0xb7:
{
jz = 14;
break;
}
case 0x77:
{
jz = 15;
break;
}
default:
{
jz = 16;
break;
} // 没有按键按下，返回16
}
return jz;
}
/*if (key == 0) //答题正确
{
truenum++;
totalnum++;
flag = 1;
}
if (key == 1) //答题错误
{
totalnum++;
flag = 2;
}
if (key == 2)
{
if (flag == 1)
{
if (totalnum > 0)
{
truenum--;
totalnum--;
}
}
if (flag == 2)
{
if (totalnum > 0)
{
totalnum--;
}
}
flag = 0; //表明本次执行的是按键3
}*/
int main()
{
uchar key;
int i, j, k;
while (totalnum < 3)
{
display(truenum);
display1(totalnum);
key = Keyboard();
if (key == 0) //答题正确
{
truenum++;
totalnum++;
flag = 1;
}
if (key == 1) //答题错误
{
totalnum++;
flag = 2;
}
if (key == 2)
{
if (flag == 1)
{
if (totalnum > 0)
{
truenum--;
totalnum--;
}
}
if (flag == 2)
{
if (totalnum > 0)
{
totalnum--;
}
}
flag = 0; //表明本次执行的是按键3
}
}
/*while (1)
{
dula = 1;
P0 = datable[5];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[3];
wela = 0;
delayms(1);
dula = 1;
P0 = datable[2];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[2];
wela = 0;
delayms(1);
dula = 1;
P0 = datable[0];
dula = 0;
P0 = 0xff;
wela = 1;
P0 = watable[1];
wela = 0;
delayms(1);
}*/
while (1)
{
//start存储lovetable的首地址，且一直都不变；q是一直存储着start+k的地址，在内层的for循环里是不变的,q其实表示最左边数码管在一段时间内要显示的数对应的lovetable的地址；只有p一直在变，它用来显示段选
for (k = 0; k < 7; k++)
for (i = 1, j = 0, q = p = start + k; j < 300; i++, j++)
{
if (i >= 7)
{
i = 1;
}
dula = 1;
P0 = datable[*p++];
if (p >= start + 7)//p指向lovetable末尾的下一位时，把p移到start
{
p = start;
}
if (p - q == 6 || q - p == 1)//因为数码管是6位，而要显示7位，所以只能选取其中的六位。当p在q的后面时，p-q==6时，就要归位了；当q在p的后面时，则q-p==1时归位。
{
p = q;
}
dula = 0;
P0 = 0xff;
P0 = 0xff;
P0 = 0xff;
P0 = 0xff;
P0 = 0xff;
wela = 1;
P0 = watable[7 - i];
wela = 0;
P0 = 0xff;
P0 = 0xff;
delayms(5);
}
}
}
举报
