// 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);
}
internal void FromTCP(string[] lines)
{
foreach (string line in lines)
{
if (line.IndexOf("# logresp") == 0)
{
Console.WriteLine(line);
}
if (line.IndexOf("#") == 0)
{
continue;
}
Console.WriteLine("TCP{0}> {1}", writeAudioDeviceNo, line);
}
;
if (writeAir)
{
List <ax25.Packet> packets = new List <ax25.Packet>();
foreach (string line in lines)
{
if (line.IndexOf("#") == 0)
{
continue;
}
string from = line.Substring(0, line.IndexOf(">"));
string pckt = line.Substring(line.IndexOf(":") + 1);
ax25.Packet packet = new ax25.Packet(
"APRS", from, new string[] { "AFSKMD" },
ax25.Packet.AX25_CONTROL_APRS, ax25.Packet.AX25_PROTOCOL_NO_LAYER_3,
System.Text.Encoding.ASCII.GetBytes(pckt)
);
packets.Add(packet);
}
;
if (packets.Count > 0)
{
double[] _samples;
mod.GetSamples(packets.ToArray(), out _samples);
ReadWave.WavePlayer wp = new ReadWave.WavePlayer(writeAudioDeviceNo, writeAudioVolume);
wp.PlaySamples(44100, _samples, false);
//ReadWave.WaveStream.PlaySamples(44100, _samples, false);
}
;
}
;
}
// 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);
}
