led_driver.c

来自「mega16 实现的控制舵机的程序」· C语言 代码 · 共 13 行

#include <avr/io.h>

static const char a[10] = {0x00,0x80,0x40,0xc0,0x20,0xa0,0x60,0xe0,0x10,0x90};

void Display(char i)
{
	DDRA |= 0xf0;
	if(i>9)
		PORTA = 0xF0;
	else
		PORTA = a[i];
}