#include
typedef unsigned int u16;
typedef unsigned char u8;
#define GPIO_DIG P0
#define GPIO_KEY P1
#define GPIOdongtai_ P3
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
sbit JIDIANQI=P2^0;
sbit FENGMINGQI=P2^1;
u8 code smg[8]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07};
u8 code b[8]={0,1,2,3,4,5,6,7};
void fengmingqi ();
void jidianqi ();
void juzhenanjian (u8 a,u8 i);
void panduan (u8 a,u8 i);
void xianshi (u8 a,u8 j);
void delay (u16 i);
void main ()
{
u8 a [8]={0,0,0,0,0,0,0,0};
while(1)
{
u8 t=500000;
juzhenanjian(a,8);
while(t--)
{
xianshi(a,8);
}
panduan(a,8);
}
}
void juzhenanjian (u8 a,u8 i)
{
u8 cishu=0;
u8 key=0;
while(cishu<=7)
{
GPIO_KEY=0x0f;
if(GPIO_KEY!=0x0f)
{
delay(100);
cishu++;
if(GPIO_KEY!=0x0f)
{
switch(GPIO_KEY)
{
case(0X07): key=0;break;
case(0X0b): key=1;break;
case(0X0d): key=2;break;
case(0X0e): key=3;break;
}
GPIO_KEY=0xf0;
switch(GPIO_KEY)
{
case(0X70): key=key;break;
case(0Xb0): key=key+4;break;
}
while((a<50)&&(GPIO_KEY!=0xf0))
{
delay(1000);
a++;
}
}
}
a[cishu]=key;
GPIO_DIG=~smg[key];
}
}
void xianshi (u8 a,u8 j)
{
u8 i;
for(i=0;i<=7;i++)
{
switch(a[i])
{
case(0):
LSA=0;LSB=0;LSC=0; break;
case(1):
LSA=1;LSB=0;LSC=0; break;
case(2):
LSA=0;LSB=1;LSC=0; break;
case(3):
LSA=1;LSB=1;LSC=0; break;
case(4):
LSA=0;LSB=0;LSC=1; break;
case(5):
LSA=1;LSB=0;LSC=1; break;
case(6):
LSA=0;LSB=1;LSC=1; break;
case(7):
LSA=1;LSB=1;LSC=1; break;
}
GPIOdongtai_=smg[a[i]];
delay(100);
GPIOdongtai_=0x00;
}
}
void panduan (u8 a,u8 t)
{
u8 kaiguan=0,i=0,j=0;
while(a[i]==b[j])
{
i++;j++;
if(i==8)
kaiguan=1;
}
if(kaiguan)
jidianqi();
else if (kaiguan==0)
fengmingqi ();
}
void jidianqi ()
{
JIDIANQI=0;
delay(100000);
}
void fengmingqi ()
{
u8 i=10000;
while(i--)
{
FENGMINGQI=~FENGMINGQI;
delay(10);
}
}
void delay (u16 i)
{
while(i--);
}
系统说 a[cishu]=key有错