private byte[] _ReadViaWinUSB(byte pipeId)
{
uint bytesRead;
byte[] ret = null;
if (_winUsbDevice != null)
{
ret = new byte[_CUSTOM_CHUNK_READ_LENGTH];
if (_winUsbDevice.ReadPipe(_CUSTOM_INTERFACE_ID, pipeId,
ret, 0, ret.Length, out bytesRead))
{
ret = ret.Take((int)bytesRead).ToArray();
}
}
return(ret);
}
// Temporary test application to validate functionality as it's being built.
static void Main(string[] args)
{
Guid testGuid = new Guid("d2938a49-3191-4b25-ba33-e45f0828ced4");
Random r = new Random();
WinUSBEnumeratedDevice[] allDevices = WinUSBDevice.EnumerateAllDevices().ToArray();
foreach (WinUSBEnumeratedDevice devicePath in allDevices)
{
Console.Out.WriteLine(devicePath.ToString());
try {
WinUSBDevice d = new WinUSBDevice(devicePath);
try {
DeviceDescriptor dev = d.GetDeviceDescriptor();
Console.Out.WriteLine(dev.ToString());
ConfigurationDescriptor cfg = d.GetConfigurationDescriptor();
Console.Out.WriteLine(cfg.ToString());
}
finally
{
d.Close();
}
}
catch (Exception ex)
{
Console.Out.WriteLine("Exception while querying descriptors: {0}", ex);
}
}
WinUSBEnumeratedDevice[] devices = WinUSBDevice.EnumerateDevices(testGuid).ToArray();
foreach (WinUSBEnumeratedDevice devicePath in devices)
{
Console.Out.WriteLine(devicePath);
WinUSBDevice test = new WinUSBDevice(devicePath);
// Try a data test. Test board just has OUT 3 looped back into IN 3
// Set pipe timeouts to avoid hanging forever.
test.SetPipePolicy(0x03, WinUsbPipePolicy.PIPE_TRANSFER_TIMEOUT, 100);
test.SetPipePolicy(0x83, WinUsbPipePolicy.PIPE_TRANSFER_TIMEOUT, 100);
// Send some junk via OUT 3
byte[] data = new byte[128];
r.NextBytes(data);
// Flush out any data that might have been here from a previous run...
// Will take about as long as the transfer timeout.
while (test.ReadPipe(0x83, 64).Length != 0)
{
;
}
test.WritePipe(0x03, data);
// read it back.
byte[] returnData = test.ReadExactPipe(0x83, data.Length);
for (int i = 0; i < data.Length; i++)
{
if (data[i] != returnData[i])
{
throw new Exception("Error validating data returned from the device!");
}
}
Console.Out.WriteLine("Passed basic transfer test");
// Timeout test
returnData = test.ReadPipe(0x83, 32);
if (returnData.Length != 0)
{
throw new Exception("Pipe didn't timeout, where did it get that data?");
}
Console.Out.WriteLine("Passed timeout test");
test.Close();
test.Close(); // checking that double close doesn't cause issues.
}
Console.Out.WriteLine("{0} device{1}", devices.Length, devices.Length == 1?"":"s");
WinUSBEnumeratedDevice[] hackrfs = HackRF.Enumerate().ToArray();
if (hackrfs.Length > 0)
{
Console.WriteLine("Connecting to hackrf device {0}", hackrfs[0].ToString());
HackRF rf = new HackRF(hackrfs[0]);
Console.WriteLine("Version String: {0}", rf.ReadVersion());
// Do some benchmarking with the receive modes.
rf.SetSampleRate(2000000);
rf.ModeReceive();
rf.SetFrequency(100000000); // 100 MHz
rf.SetSampleRate(10000000);
int lastEaten = 0;
int eaten = rf.PacketsEaten;
long lastEatenBytes = 0;
long eatenBytes = rf.BytesEaten;
DateTime lastTime = DateTime.Now;
while (true)
{
System.Threading.Thread.Sleep(2000);
DateTime newTime = DateTime.Now;
lastEaten = eaten;
eaten = rf.PacketsEaten;
lastEatenBytes = eatenBytes;
eatenBytes = rf.BytesEaten;
double seconds = newTime.Subtract(lastTime).TotalSeconds;
double pps = (eaten - lastEaten) / seconds;
double mbps = ((eatenBytes - lastEatenBytes) / seconds) / 1000000;
lastTime = newTime;
Console.WriteLine("Receiving... {0} {1:n2}pps {2:n4}MB/s", eaten, pps, mbps);
string[] histogramData;
lock (rf)
{
histogramData = rf.EatenHistogram.OrderByDescending(kv => kv.Value).Take(8).Select(kv => string.Format("{0}:{1}", kv.Key, kv.Value)).ToArray();
}
Console.WriteLine(string.Join(" ", histogramData));
}
}
WinUSBEnumeratedDevice[] fadecandies = Fadecandy.Enumerate().ToArray();
if (fadecandies.Length > 0)
{
Fadecandy fc = new Fadecandy(fadecandies[0]);
RgbRing ring = new RgbRing(24);
double t = 0;
while (true)
{
ring.Update(t);
Array.Copy(ring.Ring, fc.Pixels, 24);
fc.Pixels[64].G = Math.Sin(t) * 0.2 + 0.2;
fc.FlushRange(0, 65);
t += 0.01;
System.Threading.Thread.Sleep(10);
}
}
WinUSBEnumeratedDevice[] rgbbuttons = RgbButton.Enumerate().ToArray();
if (rgbbuttons.Length > 0)
{
RgbButton rb = new RgbButton(rgbbuttons[0]);
#if false
{ // Put device into programming mode.
rb.EnterProgrammingMode();
return;
}
#endif
double t = 0;
while (true)
{
rb.ButtonColors[0].G = Math.Sin(t) * 0.2 + 0.2;
rb.ButtonColors[1].R = Math.Sin(t) * 0.2 + 0.2;
rb.ButtonColors[2].G = 0.5 - rb.ButtonValues[0] / 256.0;
rb.ButtonColors[2].R = 0.5 - rb.ButtonValues[1] / 256.0;
rb.ButtonColors[2].B = 0.5 - rb.ButtonValues[3] / 256.0;
rb.ButtonColors[3].B = (rb.DataCount & 1023) / 2048.0;
rb.SendButtonColors();
t += 0.02;
System.Threading.Thread.Sleep(20);
Console.WriteLine("{0} {1} {2} {3}", rb.ButtonValues[0], rb.ButtonValues[1], rb.ButtonValues[2], rb.ButtonValues[3]);
}
}
}