// modulate and play, save & demodulate
public static void Test3()
{
Console.WriteLine("Starting test {0}", 3);
ax25.Packet packet;
ax25.AFSK1200Modulator mod;
float[] samples;
ax25.AFSK1200Demodulator dem;
mod = new ax25.AFSK1200Modulator(44100);
mod.txDelayMs = 500;
dem = new ax25.AFSK1200Demodulator(44100, 1, 0, new TestConsole("T3>> {0}"));
//ax25.AFSK1200Demodulator dem = new ax25.Afsk1200Demodulator(44100, 1, 6, new Packet2Console("MO>> {0}"));
packet = new ax25.Packet(
"APRS", "TESTER", new String[] { "WIDE1-1", "WIDE2-2" },
ax25.Packet.AX25_CONTROL_APRS, ax25.Packet.AX25_PROTOCOL_NO_LAYER_3,
System.Text.Encoding.ASCII.GetBytes(@"=5533.00N\03733.00Ek000/000 /A=00010 AFSK Test")
);
mod.GetSamples(packet, out samples);
dem.AddSamples(samples, samples.Length);
// PLAY
WaveStream.PlaySamples(44100, samples, false);
// SAVE
WaveStream.SaveWav16BitMono(@"test3.wav", 44100, samples);
Console.WriteLine("Test {0} done", 3);
}
public DirectAudioAFSKDemodulator(int deviceNo, ax25.PacketHandler h)
{
dem = new ax25.AFSK1200Demodulator(44100, 1, 0, h);
recored = new WaveInEvent();
recored.DeviceNumber = deviceNo;
recored.WaveFormat = new WaveFormat(44100, 16, 1);
recored.DataAvailable += new EventHandler <WaveInEventArgs>(recored_DataAvailable);
}
// demodulate from wav file
public static void Test4()
{
Console.WriteLine("Starting test {0}", 4);
float[] L, R;
int ch, sr, bd;
WaveStream.ReadWavFile(@"test4.wav", out ch, out sr, out bd, out L, out R);
ax25.AFSK1200Demodulator dem = new ax25.AFSK1200Demodulator(sr, 36, 0, new TestConsole("T4>> {0}"));
dem.AddSamples(L, L.Length);
string rp = ax25.Packet.Format(dem.LastPacket);
Console.WriteLine("Test {0} done", 4);
}
// modulate -> demodulate
public static void Test1()
{
Console.WriteLine("Starting test {0}", 1);
ax25.AFSK1200Modulator mod = new ax25.AFSK1200Modulator(44100);
mod.txDelayMs = 500;
ax25.AFSK1200Demodulator dem = new ax25.AFSK1200Demodulator(44100, 1, 0, new TestConsole("T1>> {0}"));
ax25.Packet packet1 = new ax25.Packet(
"APRS", "TESTER1", new String[] { "WIDE1-1", "WIDE2-2" },
ax25.Packet.AX25_CONTROL_APRS, ax25.Packet.AX25_PROTOCOL_NO_LAYER_3,
System.Text.Encoding.ASCII.GetBytes(@"=5533.00N\03733.00Ek000/000 /A=00010 AFSK Test 1")
);
ax25.Packet packet2 = new ax25.Packet(
"APRS", "TESTER2", new String[] { "WIDE1-1", "WIDE2-2" },
ax25.Packet.AX25_CONTROL_APRS, ax25.Packet.AX25_PROTOCOL_NO_LAYER_3,
System.Text.Encoding.ASCII.GetBytes(@">Currently testing...")
);
ax25.Packet packet3 = new ax25.Packet(
"APRS", "TESTER3", new String[] { "WIDE1-1", "WIDE2-2" },
ax25.Packet.AX25_CONTROL_APRS, ax25.Packet.AX25_PROTOCOL_NO_LAYER_3,
System.Text.Encoding.ASCII.GetBytes(@"=4802.37N/03934.12E0")
);
float[] samples;
mod.GetSamples(packet1, out samples);
dem.AddSamples(samples, samples.Length);
mod.GetSamples(new ax25.Packet[] { packet2, packet3 }, out samples);
dem.AddSamples(samples, samples.Length);
Console.WriteLine("Test {0} done", 1);
}
