試驗數(shù)碼管上顯示數(shù)字( 單片機(jī)直接實現(xiàn)位選 共陰極)

#include
#include
#define uint unsigned int
#define uchar unsigned char
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
uchar code num[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
{
for(y=0;y<113;y++)
{
}
}
}
void main()
{
while(1)
{
LSA=0;
LSB=0;
LSC=0;
P0=num[6];
delay(2);
LSA=1;
LSB=0;
LSC=0;
P0=num[6];
delay(2);
}
}

//讓八個數(shù)碼管全部亮并且從0~9循環(huán)

#include
#include
#define uint unsigned int
#define uchar unsigned char
uchar num;
uchar wnum=0x00;
uchar code dbit[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//段選，選擇要顯示的數(shù)字
//uchar code wnum[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdF,0xbF,0x7F};//八位數(shù)碼管
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
{
for(y=0;y<113;y++)
{
}
}
}
void main()
{
P1=wnum;
while(1)
{
for(num=0;num<10;num++)
{
P0=dbit[num];
delay(500);
}
}
}