Getting Started

Chapter 8: C Pointers and Arrays

Duration = 0;

hen upcounting, clear when downcounting

TCCR1A = (1<<COM1A1);

CR1

OCRA1L = Volume;

char loop;

}

void startTune(char tune)
{

int song = atoi(&tune) - 1;

stopTune();
Tone = 0;
Tempo = 0;

// Send the song title to the PC
sendFString(TEXT_SONG_TBL[song]);
sendChar('\r');

// looks too complicated..
pSong=(int*)pgm_read_word(&Songs[song]);

Sound_Init();
}

void Sound_Init(void)
{
// Set OC1A w

// Phase/Freq-correct PWM, top value = I
TCCR1B = (1<<WGM13);

sbi(TCCR1B, CS10); // start Timer1, prescaler(1)
// Set a initial value in the OCR1A-register
OCRA1H = 0;

// This will adjust the volume on the buzzer, lower value

// =>higher volume

}

void Play_Tune(void)
{
int temp_hi;