private static extern IntPtr bbGetErrorString(bbStatus status);
static void Main(string[] args)
{
int id = -1;
bbStatus status = bbStatus.bbNoError;
Console.Write("Opening Device, Please Wait\n");
status = bb_api.bbOpenDevice(ref id);
if (status != bbStatus.bbNoError)
{
Console.Write("Error: Unable to open BB60\n");
Console.Write(bb_api.bbGetStatusString(status) + "\n");
prompt_user_input();
return;
}
else
{
Console.Write("Device Found\n\n");
}
Console.Write("API Version: " + bb_api.bbGetAPIString() + "\n");
Console.Write("Device Type: " + bb_api.bbGetDeviceName(id) + "\n");
Console.Write("Serial Number: " + bb_api.bbGetSerialString(id) + "\n");
Console.Write("Firmware Version: " + bb_api.bbGetFirmwareString(id) + "\n");
Console.Write("\n");
float temp = 0.0F, voltage = 0.0F, current = 0.0F;
bb_api.bbGetDeviceDiagnostics(id, ref temp, ref voltage, ref current);
Console.Write("Device Diagnostics\n" +
"Temperature: " + temp.ToString() + " C\n" +
"USB Voltage: " + voltage.ToString() + " V\n" +
"USB Current: " + current.ToString() + " mA\n");
Console.Write("\n");
Console.Write("Configuring Device For a Sweep\n");
bb_api.bbConfigureAcquisition(id, bb_api.BB_MIN_AND_MAX, bb_api.BB_LOG_SCALE);
bb_api.bbConfigureCenterSpan(id, 1.0e9, 20.0e6);
bb_api.bbConfigureLevel(id, -20.0, bb_api.BB_AUTO_ATTEN);
bb_api.bbConfigureGain(id, bb_api.BB_AUTO_GAIN);
bb_api.bbConfigureSweepCoupling(id, 10.0e3, 10.0e3, 0.001,
bb_api.BB_NON_NATIVE_RBW, bb_api.BB_NO_SPUR_REJECT);
bb_api.bbConfigureProcUnits(id, bb_api.BB_LOG);
status = bb_api.bbInitiate(id, bb_api.BB_SWEEPING, 0);
if (status != bbStatus.bbNoError)
{
Console.Write("Error: Unable to initialize BB60\n");
Console.Write(bb_api.bbGetStatusString(status) + "\n");
prompt_user_input();
return;
}
uint trace_len = 0;
double bin_size = 0.0;
double start_freq = 0.0;
status = bb_api.bbQueryTraceInfo(id, ref trace_len, ref bin_size, ref start_freq);
float[] sweep_max, sweep_min;
sweep_max = new float[trace_len];
sweep_min = new float[trace_len];
bb_api.bbFetchTrace_32f(id, unchecked ((int)trace_len), sweep_min, sweep_max);
Console.Write("Sweep Retrieved\n\n");
Console.Write("Configuring the device to stream I/Q data\n");
bb_api.bbConfigureCenterSpan(id, 1.0e9, 20.0e6);
bb_api.bbConfigureLevel(id, -20.0, bb_api.BB_AUTO_ATTEN);
bb_api.bbConfigureGain(id, bb_api.BB_AUTO_GAIN);
bb_api.bbConfigureIQ(id, bb_api.BB_MIN_DECIMATION, 20.0e6);
status = bb_api.bbInitiate(id, bb_api.BB_STREAMING, bb_api.BB_STREAM_IQ);
if (status != bbStatus.bbNoError)
{
Console.Write("Error: Unable to initialize BB60 for streaming\n");
Console.Write(bb_api.bbGetStatusString(status) + "\n");
prompt_user_input();
return;
}
int return_len = 0;
int samples_per_sec = 0;
double bandwidth = 0.0;
bb_api.bbQueryStreamInfo(id, ref return_len, ref bandwidth, ref samples_per_sec);
Console.Write("Initialized Stream for \n");
Console.Write("Samples per second: " + (samples_per_sec / 1.0e6).ToString() + " MS/s\n");
Console.Write("Bandwidth: " + (bandwidth / 1.0e6).ToString() + " MHz\n");
Console.Write("Samples per function call: " + return_len.ToString() + "\n");
// Alternating I/Q samples
// return_len is the number of I/Q pairs, so.. allocate twice as many floats
float[] iq_samples = new float[return_len * 2];
int[] triggers = new int[80];
bb_api.bbFetchRaw(id, iq_samples, triggers);
Console.Write("Retrieved one I/Q packet\n\n");
Console.Write("Closing Device\n");
bb_api.bbCloseDevice(id);
prompt_user_input();
}
public static string bbGetStatusString(bbStatus status)
{
IntPtr str_ptr = bbGetErrorString(status);
return(System.Runtime.InteropServices.Marshal.PtrToStringAnsi(str_ptr));
}
