#include<avr/io.h>#include"backlight.h"#include"print.h"voidinit_backlight_pin(void){print("init_backlight_pin()\n");// Set our LED pins as outputDDRB|=(1<<6);// Set our LED pins lowPORTB&=~(1<<6);}voidbacklight_set(uint8_tlevel){if(level==0){// Turn off lightPORTB|=(1<<6);}else{// Turn on lightPORTB&=~(1<<6);}}