第01篇_基础部分.rar
源代码在线查看: jiajian.c
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anlan001 |
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#include
#include
#define uchar unsigned char
#define uint unsigned int
uchar code DSY_CODE[]=
{
0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff
};
uchar Num_Buffer[] = {0,0,0};
uchar Key_Code,Key_Counts=0;
void DelayMS(uint x)
{
uchar t;
while(x--)
{
for(t=0;t }
}
void Show_Counts_ON_DSY()
{
uchar i,j=0x01;
Num_Buffer[2]=Key_Counts/100;
Num_Buffer[1]=Key_Counts/10%10;
Num_Buffer[0]=Key_Counts%10;
for(i=0;i {
j = _cror_(j,1);
P2 = j;
P0 = DSY_CODE[Num_Buffer[i]];
DelayMS(1);
}
}
void main()
{
uchar i;
P0 = 0xff;
P1 = 0xff;
P2 = 0x00;
Key_Code = 0xff;
while(1)
{
Show_Counts_ON_DSY();
P1 = 0xff;
Key_Code = P1;
if(Key_Code != 0xff)
{
for(i=0;i {
Show_Counts_ON_DSY();
}
}
switch(Key_Code)
{
case 0xfe:if(Key_Counts case 0xfd:if(Key_Counts>0) Key_Counts--;break;
case 0xfb:Key_Counts=0;
}
Key_Code = 0xff;
}
}