时间:2024.8.29
作者:Whappy
目的:学习51单片机
代码:
#include <REGX52.H>
#include "intrins.h"
unsigned char NixieTable[] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71,0x00};
void Delay1ms(unsigned int xms) //@11.0592MHz
{
unsigned char i, j;
while(xms--)
{
_nop_();
i = 2;
j = 199;
do
{
while (--j);
} while (--i);
}
}
void Nixie(unsigned char Location,Number)
{
switch(Location)
{
case 1: P2_4 = 1;P2_3 = 1; P2_2 = 1; break;
case 2: P2_4 = 1;P2_3 = 1; P2_2 = 0; break;
case 3: P2_4 = 1;P2_3 = 0; P2_2 = 1; break;
case 4: P2_4 = 1;P2_3 = 0; P2_2 = 0; break;
case 5: P2_4 = 0;P2_3 = 1; P2_2 = 1; break;
case 6: P2_4 = 0;P2_3 = 1; P2_2 = 0; break;
case 7: P2_4 = 0;P2_3 = 0; P2_2 = 1; break;
case 8: P2_4 = 0;P2_3 = 0; P2_2 = 0; break;
}
P0 = NixieTable[Number];
}
void main(void)
{
Nixie(7,5);
while(1)
{
}
}