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4*4矩阵键盘在51单片机上的源程序及仿真
资源介绍
51C源程序和仿真文件
#include
unsigned char a[17]={ 0xc0,0xF9,0xA4,0xB0,0x99, 0x92,0x82,0xF8,0x80,0x90, 0x88,0x83,0xC6,0xA1,0x86, 0x8E,0xff},b[4],c=0x01;
unsigned int jianzhi;
void Delay1ms(unsigned int count)
{
unsigned int i,j;
for(i=0;i