public static async Task Aggregator(
FPGA.OutputSignal <bool> LED1,
FPGA.InputSignal <bool> RXD,
FPGA.OutputSignal <bool> TXD
)
{
Sequential handler = () =>
{
FPU.FPUScope();
const int width = 10;
const int baud = 115200;
ComplexFloat[] data = new ComplexFloat[GeneratorTools.ArrayLength(width)];
while (true)
{
RTX.ReadData(baud, RXD, data);
DFT.Transform(width, data, Direction.Forward);
RTX.WriteData(baud, TXD, data, 0);
}
};
FPGA.Config.OnStartup(handler);
Drivers.IsAlive.Blink(LED1);
}
static void Main(string[] args)
{
WaveReader reader;
DFT dft;
StreamWriter writer;
if (args.Length < 2)
{
printHelp();
return;
}
reader = new WaveReader(File.OpenRead(args[0]));
dft = new DFT(reader.SamplingRate);
writer = File.CreateText(args[1]);
/*
* Console.WriteLine("Number of Channels: {0}", reader.NumChannels);
* Console.WriteLine("Sampling Rate: {0}", reader.SamplingRate);
* Console.WriteLine("Depth: {0}", reader.Depth);
*/
try
{
short[] sample = new short[reader.SamplingRate];
//uint length = reader.SamplingRate;
uint length = 512;
uint step = reader.SamplingRate / length;
/*
* for (uint i = 0; i < reader.SamplingRate; i++)
* {
* sample[i] = reader.ReadInt16();
* }
*/
for (uint i = 0; i < length; i++)
{
sample[i] = reader.ReadInt16();
for (uint j = 1; j < step; j++)
{
reader.ReadInt16();
}
}
Complex[] result = dft.transform(sample, (int)length);
for (uint i = 0; i < length / 2; i++)
{
writer.WriteLine("{0} {1}", i, (int)result[i].Real);
}
}
catch (System.IO.IOException e)
{
Console.Write(e);
}
finally
{
writer.Close();
reader.Close();
}
}
