public Uart2Sound(WavConfig config, int baud)
{
this.stream = new WavStream();
this.config = config;
config.samplesPerBit = (this.config.sampleRate / 1000.0) * (1000.0 / baud);
Amplitude = 40000;
}
public void writeSample(uint sample, WavConfig config)
{
if (config.bitsPerSample == WavConfig.BPS_16BIT)
{
writeInt16((ushort)sample);
dataLen += 2;
}
else if (config.bitsPerSample == WavConfig.BPS_8BIT)
{
write8bit((byte)sample);
dataLen += 1;
}
}
public void WriteHeader(WavConfig config)
{
var blockAlign = config.channels * (config.bitsPerSample / 8);
stream.writeTag(System.Text.Encoding.UTF8.GetBytes(WavConfig.tagRiff));
stream.writeInt32(0);
stream.writeTag(System.Text.Encoding.UTF8.GetBytes(WavConfig.tagWave));
stream.writeTag(System.Text.Encoding.UTF8.GetBytes(WavConfig.tagFmt));
stream.writeInt32(16);
stream.writeInt16(WavConfig.LIBWAV_FORMAT_PCM);
stream.writeInt16(config.channels);
stream.writeInt32((int)config.sampleRate);
stream.writeInt32((int)(config.sampleRate * blockAlign));
stream.writeInt16((ushort)blockAlign);
stream.writeInt16(config.bitsPerSample);
stream.writeTag(System.Text.Encoding.UTF8.GetBytes(WavConfig.tagData));
dataOffset = (int)stream.Stream.Position;
stream.writeInt32(0);
}