main.c

来自「ds18b20 thermometer with lcd, ds18b20 th」· C语言 代码 · 共 28 行

#include "lcd.h"
#include "functions.h"
#include <avr/io.h>

int main(void)
{	
	unsigned char BUTTON;
	unsigned char pin_state;

	DDRD = 0; 			                //set PIN D as input
	
	InitSystem();
	ShowMe();

	SB2();	

	while(1)
	{
		pin_state = PIND;
		BUTTON = ~pin_state & (0x01);
		if (BUTTON) SB1();
		BUTTON = ~pin_state & (0x02);
		if (BUTTON) SB2();
	    BUTTON = ~pin_state & (0x04);
		if (BUTTON) SB3();
	}
}