private PicoDevice(PicoDeviceHandle handle)
{
this.handle = handle;
this.dataCallback = (string channelNames, IntPtr samplesPtr, UInt32 samplesPerChannel) =>
{
// Don't split the data out if we haven't got any listeners
if (this.StreamingData.GetInvocationList().Length == 0)
{
return;
}
var channels = channelNames.Split(',').Select(p => p.Trim(' ')).ToArray();
uint srcStartIndex = 0;
var outDict = new Dictionary <string, float[]>();
foreach (var channel in channels)
{
var channelData = new float[samplesPerChannel];
var srcStartPtr = new IntPtr(samplesPtr.ToInt64() + srcStartIndex);
Marshal.Copy(srcStartPtr, channelData, 0, (int)samplesPerChannel);
outDict.Add(channel, channelData);
srcStartIndex += samplesPerChannel;
}
this.StreamingData?.Invoke(this, new StreamingDataArgs(outDict));
};
if (Native.device_set_callback(this.handle, this.dataCallback) == false)
{
ThrowException();
}
}
internal static extern bool device_stop_streaming(PicoDeviceHandle device);
internal static extern UInt32 device_start_streaming(PicoDeviceHandle device, UInt32 samples_per_second);
internal static extern bool device_set_callback(PicoDeviceHandle device, StreamingCallbackInternal callback);
internal static extern bool device_disable_channel(PicoDeviceHandle device, string channel);
internal static extern bool device_enable_channel(PicoDeviceHandle device, string channel, string range, string coupling);
internal static extern StringHandle device_get_channel_ranges(PicoDeviceHandle device, string channel);
internal static extern StringHandle device_get_variant(PicoDeviceHandle device);
internal static extern StringHandle device_get_serial(PicoDeviceHandle device);
