private void OnDataReady(Waterfall fall, WaterfallTile tile)
{
if (DataReady != null)
{
DataReady(fall, tile);
}
}
private WaterfallTile GenerateTestDataTile()
{
WaterfallTile tile = new WaterfallTile();
tile.Timecode = test_timecode++;
tile.FirstPixelFreq = 14.0;
tile.BinBandwidth = (0.2 / _width);
tile.LineDurationMS = 100;
tile.Width = (ushort)(_width * 1.2);
tile.Height = 1;
tile.Data = new ushort[tile.Width * tile.Height];
for (int i = 0; i < tile.Width * tile.Height; i++)
{
if (i >= 57 && i <= 60)
{
tile.Data[i] = (ushort)test_random.Next(13000, 50000);
}
else
{
tile.Data[i] = (ushort)test_random.Next(13000, 16000);
}
//tile.Data[i] = (ushort)(i * 35);
}
return(tile);
}
private void RunTestData()
{
while (_radio != null)
{
WaterfallTile tile = GenerateTestDataTile();
OnDataReady(this, tile);
Thread.Sleep((int)tile.LineDurationMS);
}
}
// Adds a tile from the radio
internal void AddData(WaterfallTile tile, int packet_count)
{
//ushort min = ushort.MaxValue;
//int min_bin = 0;
//ushort max = ushort.MinValue;
//int max_bin = 0;
//for (int i = 0; i < tile.Data.Length; i++)
//{
// if (tile.Data[i] < min)
// {
// min = tile.Data[i];
// min_bin = i;
// if (min == 0)
// {
// int breaker = 0;
// }
// }
// if (tile.Data[i] > max)
// {
// max = tile.Data[i];
// max_bin = i;
// }
//}
//Debug.WriteLine("WaterfallTile auto_black: " + tile.AutoBlackLevel + " min("+min_bin.ToString().PadLeft(4, ' ')+"): "+min + " delta: " + (min - tile.AutoBlackLevel) + " max("+max_bin.ToString().PadLeft(4, ' ')+"): " + max);
//tile.DateTime = DateTime.UtcNow;
OnDataReady(this, tile);
FallPacketTotalCount++;
//normal case -- this is the next packet we are looking for, or it is the first one
if (packet_count == (last_packet_count + 1) % 16 || last_packet_count == -1)
{
// do nothing
}
else
{
Debug.WriteLine("Fall Packet[0x" + _stream_id.ToString("X") + "]: Expected " + ((last_packet_count + 1) % 16) + " got " + packet_count);
FallPacketErrorCount++;
}
last_packet_count = packet_count;
}
unsafe public VitaWaterfallPacket(byte[] data)
{
int index = 0;
uint temp = ByteOrder.SwapBytes(BitConverter.ToUInt32(data, index));
index += 4;
header = new Header();
header.pkt_type = (VitaPacketType)(temp >> 28);
header.c = ((temp & 0x08000000) != 0);
header.t = ((temp & 0x04000000) != 0);
header.tsi = (VitaTimeStampIntegerType)((temp >> 22) & 0x03);
header.tsf = (VitaTimeStampFractionalType)((temp >> 20) & 0x03);
header.packet_count = (byte)((temp >> 16) & 0x0F);
header.packet_size = (ushort)(temp & 0xFFFF);
// if packet is a type with a stream id, read/save it
if (header.pkt_type == VitaPacketType.IFDataWithStream ||
header.pkt_type == VitaPacketType.ExtDataWithStream)
{
stream_id = ByteOrder.SwapBytes(BitConverter.ToUInt32(data, index));
index += 4;
}
if (header.c)
{
temp = ByteOrder.SwapBytes(BitConverter.ToUInt32(data, index));
index += 4;
class_id.OUI = temp & 0x00FFFFFF;
temp = ByteOrder.SwapBytes(BitConverter.ToUInt32(data, index));
index += 4;
class_id.InformationClassCode = (ushort)(temp >> 16);
class_id.PacketClassCode = (ushort)temp;
}
if (header.tsi != VitaTimeStampIntegerType.None)
{
timestamp_int = ByteOrder.SwapBytes(BitConverter.ToUInt32(data, index));
index += 4;
}
if (header.tsf != VitaTimeStampFractionalType.None)
{
timestamp_frac = ByteOrder.SwapBytes(BitConverter.ToUInt64(data, index));
index += 8;
}
// allocate the waterfall tile
tile = new WaterfallTile();
tile.DateTime = DateTime.UtcNow;
// populate the fields of the tile
Array.Reverse(data, index, 8);
tile.FirstPixelFreq = BitConverter.ToInt64(data, index);
index += 8;
Array.Reverse(data, index, 8);
tile.BinBandwidth = BitConverter.ToInt64(data, index);
index += 8;
Array.Reverse(data, index, 4);
tile.LineDurationMS = BitConverter.ToUInt32(data, index);
index += 4;
Array.Reverse(data, index, 2);
tile.Width = BitConverter.ToUInt16(data, index);
index += 2;
Array.Reverse(data, index, 2);
tile.Height = BitConverter.ToUInt16(data, index);
index += 2;
Array.Reverse(data, index, 4);
tile.Timecode = BitConverter.ToUInt32(data, index);
index += 4;
Array.Reverse(data, index, 4);
tile.AutoBlackLevel = BitConverter.ToUInt32(data, index);
index += 4;
int payload_bytes = (header.packet_size - 1) * 4; // -1 for header
switch (header.pkt_type)
{
case VitaPacketType.IFDataWithStream:
case VitaPacketType.ExtDataWithStream:
payload_bytes -= 4;
break;
}
if (header.c)
{
payload_bytes -= 8;
}
if (header.tsi != VitaTimeStampIntegerType.None)
{
payload_bytes -= 4;
}
if (header.tsf != VitaTimeStampFractionalType.None)
{
payload_bytes -= 8;
}
if (header.t)
{
payload_bytes -= 4;
}
payload_bytes -= 32; // payload header
// Data.Length is the number of elements in the ushort Data array
// and can be sent between multiple packets
// ushort is 2 bytes
// Debug.Assert(payload_bytes == tile.Data.Length * sizeof(ushort)); // Fails on resize ?
// swap the bytes of the payload data
for (int i = 0; i < tile.Data.Length; i++)
{
try
{
Array.Reverse(data, index + i * 2, 2);
}
catch (Exception ex)
{
Debug.Print("Exception!!!!! " + ex.ToString());
}
}
//Array.Copy(data, index, payload, 0, payload_bytes);
if (tile.Data.Length * 2 < payload_bytes)
{
payload_bytes = tile.Data.Length * 2;
}
try
{
Buffer.BlockCopy(data, index, tile.Data, 0, payload_bytes);
}
catch
{
Debug.WriteLine("BLOCKCOPY EXCPTION!!! tile.Data.Length: " + tile.Data.Length + " payload_bytes: " + payload_bytes + " tile.Data.Length*2= " + tile.Data.Length * 2);
}
index += payload_bytes;
if (header.t)
{
temp = ByteOrder.SwapBytes(BitConverter.ToUInt32(data, index));
trailer.CalibratedTimeEnable = (temp & 0x80000000) != 0;
trailer.ValidDataEnable = (temp & 0x40000000) != 0;
trailer.ReferenceLockEnable = (temp & 0x20000000) != 0;
trailer.AGCMGCEnable = (temp & 0x10000000) != 0;
trailer.DetectedSignalEnable = (temp & 0x08000000) != 0;
trailer.SpectralInversionEnable = (temp & 0x04000000) != 0;
trailer.OverrangeEnable = (temp & 0x02000000) != 0;
trailer.SampleLossEnable = (temp & 0x01000000) != 0;
trailer.CalibratedTimeIndicator = (temp & 0x00080000) != 0;
trailer.ValidDataIndicator = (temp & 0x00040000) != 0;
trailer.ReferenceLockIndicator = (temp & 0x00020000) != 0;
trailer.AGCMGCIndicator = (temp & 0x00010000) != 0;
trailer.DetectedSignalIndicator = (temp & 0x00008000) != 0;
trailer.SpectralInversionIndicator = (temp & 0x00004000) != 0;
trailer.OverrangeIndicator = (temp & 0x00002000) != 0;
trailer.SampleLossIndicator = (temp & 0x00001000) != 0;
trailer.e = (temp & 0x80) != 0;
trailer.AssociatedContextPacketCount = (byte)(temp & 0xEF);
}
}
