public void WritePhase(int channel, double frequency, double phase)
{
/*
* // Address
* byte mae = (byte)(channel >> 4);
* byte ato = (byte)((channel - (mae << 4)) << 4);
* var address = new byte[] {0x40, 0x00, mae, ato};
* // Phase offset
* var phase_offset = (long)((phase / 360.0) * width_factor);
* var poff_bytes = System.BitConverter.GetBytes(phase_offset).Take(4).ToList();
* // Phase increment
* var phase_increment = (long)(frequency % Program.ADCSampleRate / Program.ADCSampleRate * width_factor);
* var pinc_bytes = System.BitConverter.GetBytes(phase_increment).Take(4).ToList();
*/
short towrite = (short)(4 * (channel) + 1);
var address = new List <byte> {
0x40, 0x00
};
address.AddRange(BitConverter.GetBytes(towrite).Reverse());
// Write
var target_freq = frequency > 0 ? frequency : (frequency % Program.ADCSampleRate) + Program.ADCSampleRate;
Console.WriteLine("DEBUG freq: {0} Hz", target_freq);
var phase_increment = (long)(target_freq / Program.ADCSampleRate * width_factor);
Console.WriteLine("DEBUG pinc: {0}", phase_increment);
var pinc_bytes = System.BitConverter.GetBytes(phase_increment).Take(4).ToList();
pinc_bytes.Reverse();
Console.WriteLine("DEBUG pinc bytes: {0}", BitConverter.ToString(pinc_bytes.ToArray()));
var wr_data = pinc_bytes.ToArray();
var ret_data = _rbcp.Write(address.ToArray(), wr_data);
var intprt_data = RBCP.Interpret(ret_data);
if (!address.SequenceEqual(intprt_data.Item1) ||
!wr_data.SequenceEqual(intprt_data.Item2))
{
throw new Exception("Wrote <-> Read do not match");
}
_rbcp.Write(new byte[] { 0x70, 0, 0, 0 }, new byte[] { 0x01 });
}
public void DAC_4ena()
{
_rbcp.Write(DACAddress(0x17), new byte[] { 0x04 });
}
public void ToggleSnap(bool on)
{
byte[] snap_switch_addr = { 0x30, 0x00, 0x00, 0x00 };
_rbcp.Write(snap_switch_addr, new byte[] { Convert.ToByte(on) });
}
public void SetRate(int rate_num)
{
byte[] ds_addr = { 0x61, 0x00, 0x00, 0x00 };
_rbcp.Write(ds_addr, BitConverter.GetBytes(rate_num).Reverse().ToArray());
}
public void ADCReset()
{
_rbcp.Write(ADCAddress(0x00), new byte[] { 0x02 });
ADCWriteEnabled = true;
ADCChannelSwap(false);
}