Example #1
0
        static public void Main(string[] args)
        {
            System.Console.WriteLine(NetHackrf.HackrfLibraryVersion());
            System.Console.WriteLine(NetHackrf.HackrfLibraryRelease());
            var devices = NetHackrf.HackrfDeviceList(); // get list of all connected hackrf transceivers

            foreach (var i in devices)
            {
                System.Console.WriteLine($"serial=\"{i.serial_number}\", boardId=\"{i.usb_board_id}\", index={i.usb_device_index}"); // print information about each hackrf
            }
            if (devices.Length == 0)                                                                                                 // if no hackrfs discovered
            {
                System.Console.WriteLine("No hackrf devices were found");
                System.Console.WriteLine("Press any key to close application");
                System.Console.ReadKey();
                return;
            }
            NetHackrf device = devices[0].OpenDevice(); // connect to a first hackrf in the list



            System.Console.WriteLine(device.HackrfVersion);
            System.Console.WriteLine(device.UsbApiVersion);
            device.CarrierFrequencyMHz = 444.0; // set carrier frequency
            device.SampleFrequencyMHz  = 2;     // set sample frequency
            device.FilterBandwidthMHz  = 0.5;
            device.TXVGAGainDb         = 20;    // set TX amplifier gain
            byte[] buf   = new byte[20000000];
            double phase = 0;

            for (int i = 0; i < buf.Length; i += 2) // calculate NFM test signal
            {
                double signal = 50.0 * Math.Sin((double)i / 4000.0 * Math.PI * 2.0);
                phase     += signal * 0.0001;
                buf[i]     = (byte)((sbyte)(Math.Sin(phase) * 120.0));
                buf[i + 1] = (byte)((sbyte)(Math.Cos(phase) * 120.0));
            }
            var writer = device.StartTX(); // start tx stream

            for (int i = 0; i < 10; i++)
            {
                writer.Write(buf, 0, 2000000); // send NFM signal to hackrf
                System.Console.WriteLine($"Writing block #{i}...");
            }
            writer.Dispose(); // stop tx stream
            System.Console.WriteLine("Press any key to close application");
            System.Console.ReadKey();
        }
Example #2
0
        static public void Main(string[] args)
        {
            System.Console.WriteLine(NetHackrf.HackrfLibraryVersion());
            System.Console.WriteLine(NetHackrf.HackrfLibraryRelease());
            var devices = NetHackrf.HackrfDeviceList();

            foreach (var i in devices)
            {
                System.Console.WriteLine($"serial=\"{i.serial_number}\", boardId=\"{i.usb_board_id}\", index={i.usb_device_index}");
            }
            if (devices.Length == 0)
            {
                System.Console.WriteLine("No hackrf devices were found");
                System.Console.WriteLine("Press any key to close application");
                System.Console.ReadKey();
                return;
            }
            NetHackrf device = devices[0].OpenDevice();

            System.Console.WriteLine(device.HackrfVersion);
            System.Console.WriteLine(device.UsbApiVersion);
            device.CarrierFrequencyMHz = 444.0;
            device.SampleFrequencyMHz  = 2;
            device.FilterBandwidthMHz  = 0.5;
            device.TXVGAGainDb         = 20;
            byte[] buf   = new byte[20000000];
            double phase = 0;

            for (int i = 0; i < buf.Length; i += 2)
            {
                double signal = 50.0 * Math.Sin((double)i / 4000.0 * Math.PI * 2.0);
                phase     += signal * 0.0001;
                buf[i]     = (byte)((sbyte)(Math.Sin(phase) * 120.0));
                buf[i + 1] = (byte)((sbyte)(Math.Cos(phase) * 120.0));
            }
            var writer = device.StartTX();

            for (int i = 0; i < 10; i++)
            {
                writer.Write(buf, 0, 2000000);
                System.Console.WriteLine($"Writing block #{i}...");
            }
            writer.Dispose();
            System.Console.WriteLine("Press any key to close application");
            System.Console.ReadKey();
        }