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justhomework/MCU/MCU_1_1/main.c
2022-03-24 22:35:27 +08:00

39 lines
454 B
C

#include <reg52.h>
#include <intrins.h>
#include "inc.h"
static void shortdelay()
{
int i;
for(i = 10; i > 0; i--);
}
static void longdelay()
{
int i;
for(i = 100; i > 0; i--);
}
int main()
{
//P1 ÅÜÂíµÆ
//P0 ѡλ µÍµçƽÁÁ
//P2 Âë µÍµçƽÁÁ
unsigned char var1 = 0xfe;
while(1)
{ P0=0x00;
var1 = _crol_(var1, 1);
P1 = var1;
// P2= var1;
// longdelay();
// P2=0XFF;
delay(2000);
// P2 = 0x00;
}
}