标题: 蓝桥杯CT107D 隔灯亮 单片机程序 [打印本页]

作者: fateful    时间: 2021-3-13 22:32
标题: 蓝桥杯CT107D 隔灯亮 单片机程序
#include "STC15F2K60S2.h"
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int

#define LED 4
#define ULN2003 5
#define WE 6
#define DU 7

void enable138(uchar x);
void allinit()
{
  P0=0xff;
enable138(LED);
P0=0xff;
enable138(ULN2003);
P0=0x00;
enable138(WE);
P0=0xff;
enable138(DU);
}
void enable138(uchar x)
{
  P2&=0x1f;
P2|=(x<<5);
  _nop_();
_nop_();
P2&=0x1f;
}
void main()
{
allinit();
P0=0x55;
enable138(4);
}






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