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justhomework/MCU/MCU_1/inc.c

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2022-03-24 14:35:27 +00:00
#include <reg52.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--);
}
const unsigned char hello_var[] = {0x91, 0x80};
static void hello()
{
unsigned char var2 = 0xef;
P0 = var2;
P2 = hello_var[1];
shortdelay();
var2 = var2 >> 1;
P2 = hello_var[1];
P0 = var2;
shortdelay();
longdelay();
}
void delay(int a)
{
unsigned char i;
for(; a > 0; a--)
for(i = 18; i > 0; i--)
// hello()
;
}
void ledfull()
{
P2 = 0xff;
P0 = 0X00;
}