/*

    File:       SquareWaveSynthPlay.c

    Contains:   Plays a sound using the squareWaveSynth.

                Sets the timbre with timbreCmd

                Starts playing with the freqCmd

    Written by: Brigham Stevens 

    Copyright:  Copyright © 1992-1999 by Apple Computer, Inc., All Rights Reserved.

                You may incorporate this Apple sample source code into your program(s) without

                restriction. This Apple sample source code has been provided "AS IS" and the

                responsibility for its operation is yours. You are not permitted to redistribute

                this Apple sample source code as "Apple sample source code" after having made

                changes. If you're going to re-distribute the source, we require that you make

                it clear in the source that the code was descended from Apple sample source

                code, but that you've made changes.

    Change History (most recent first):

                7/29/1999   Karl Groethe    Updated for Metrowerks Codewarror Pro 2.1

*/

#include <Dialogs.h>

#include <Sound.h>

void SquareWaveSynthPlay();

void SquareWaveSynthPlay()

{

    SndChannelPtr   chan;

    SndCommand      mycmd;

    unsigned long   count;

    short           change = 0;

    short           err;

    /* Allocate a channel tied to the squareWaveSynth */

    chan = nil;

    err = SndNewChannel (&chan, squareWaveSynth, 0, nil);

    if (err) {

        DebugStr("\p error SndNewChannel [2]");

        goto bail;

    }

    mycmd.cmd = freqCmd;

    mycmd.param1 = 0;

    mycmd.param2 = 50;

    err = SndDoImmediate (chan, &mycmd);

    if (err) {

        DebugStr("\p error SndDoImmediate [3]");

        goto bail;

    }

    mycmd.cmd = timbreCmd;

    mycmd.param1 = 0;

    mycmd.param2 = 86;

    err = SndDoImmediate (chan, &mycmd);

    if (err) {

        DebugStr("\p error SndDoImmediate [3]");

        goto bail;

    }

    Delay (180, &count);

    err = SndDisposeChannel (chan,false);

    if (err) {

        DebugStr("\p error SndDisposeChannel [2]");

        goto bail;

    }

bail:

    return;

}

void main()

{

    SquareWaveSynthPlay();

}