public void IQ_Process(byte[] t)
{
if (dataType == 0 && BitConverter.ToInt32(t, 4) == (uint)DATA_TYPE.DT_NB_DDC) //前4字节是ID 屏蔽网络上的非命令包
{
int channel = BitConverter.ToInt32(t, 16);
int DATA_LEN = 512 * 2 * 2;
if (NB_Filter != channel)
{
return;
}
int NB_DataMode = BitConverter.ToInt32(t, 92);
byte[] fData = new byte[DATA_LEN];
Array.Copy(t, 104, fData, 0, DATA_LEN);
//switch ((DataAndFreq.NB_DATA_MODE)NB_DataMode)
//{
// case DataAndFreq.NB_DATA_MODE.NB_MODE_IQ:
// case DataAndFreq.NB_DATA_MODE.NB_MODE_ISB:
// {
// Array.Copy(t, 104, fData, 0, DATA_LEN);
// break;
// }
// case DataAndFreq.NB_DATA_MODE.NB_MODE_AM:
// case DataAndFreq.NB_DATA_MODE.NB_MODE_USB:
// case DataAndFreq.NB_DATA_MODE.NB_MODE_CW:
// case DataAndFreq.NB_DATA_MODE.NB_MODE_LSB:
// {
// Array.Copy(t, 104, fData, 0, DATA_LEN / 2);
// break;
// }
//}
DataAndFreq nDataAndFreq = new DataAndFreq(t, fData, 1, null, null, NB_DataMode);
m_queue.Enqueue(nDataAndFreq);
}
else if (dataType == 1 && BitConverter.ToInt32(t, 4) == (uint)DATA_TYPE.DT_WB_FFT)
{
FFT_Data fft_Data = FFT_Data.DataProcessFFT(t);
byte[] fData = fft_Data?.data;
if (fData != null && fft_extract++ == 1)
{
fft_extract = 0;
DataAndFreq nDataAndFreq = new DataAndFreq(t, fData, 3, null, null);
m_queue.Enqueue(nDataAndFreq);
}
}
}
public static FFT_Data DataProcessFFT(byte[] t)
{
FFT_Data fft_data = null;
int channel = t[12];
short key = BitConverter.ToInt16(t, 8);
if (dict.ContainsKey(key))
{
if (channel >= 0 && channel < 6)
{
fft_data = dict[key].Add(t);
if (fft_data != null)
{
dict.Remove(key);
}
}
else
{
dict.Remove(key);
}
}
else
{
if (channel >= 0 && channel < 6)
{
FFT_Data data = new FFT_Data(t);
data.Add(t);
dict[key] = data;
}
}
if (dict.Count > 2000)
{
dict.Clear();
}
return(fft_data);
}
