public static async Task WriteReportStreamAsync(this IHidDevice device, IAsyncEnumerable <IHidReport> stream, CancellationToken token = default)
{
if (device == null)
{
throw new ArgumentNullException($"{nameof(device)} is null");
}
if (stream == null)
{
throw new ArgumentNullException($"{nameof(stream)} is null");
}
await foreach (var item in stream.WithCancellation(token))
{
await device.WriteReportAsync(item, token).ConfigureAwait(false);
}
}
private async Task SendCommandAsync(byte command, byte[] data = null)
{
if (data == null)
{
data = new byte[0];
}
var reportSize = CTAP_RPT_SIZE;
var size = data.Length;
var bc_l = (byte)(size & 0xff);
var bc_h = (byte)(size >> 8 & 0xff);
var payloadData = data.Take(reportSize - 7).ToArray();
System.Diagnostics.Debug.WriteLine($"Payload data: {BitConverter.ToString(payloadData)}");
{
var packet = new List <byte>();
packet.AddRange(cid);
packet.Add((byte)(CTAP_FRAME_INIT | command));
packet.Add(bc_h);
packet.Add(bc_l);
packet.AddRange(payloadData);
while (packet.Count < reportSize)
{
packet.Add(0x00);
}
var report = hidDevice.CreateReport();
report.Data = packet.ToArray();
var sendst = await hidDevice.WriteReportAsync(report, CallTimeoutMs);
System.Diagnostics.Debug.WriteLine($"send Packet({sendst}): ({report.Data.Length}):{BitConverter.ToString(report.Data)}");
}
var remainingData = data.Skip(reportSize - 7).ToArray();
var seq = 0;
while (remainingData.Length > 0)
{
payloadData = remainingData.Take(reportSize - 5).ToArray();
var packet = new List <byte>();
packet.AddRange(cid);
packet.Add((byte)(0x7f & seq));
packet.AddRange(payloadData);
while (packet.Count < reportSize)
{
packet.Add(0x00);
}
var report = hidDevice.CreateReport();
report.Data = packet.ToArray();
if (!await hidDevice.WriteReportAsync(report, CallTimeoutMs))
{
throw new Exception("Error writing to device");
}
System.Diagnostics.Debug.WriteLine($"send Packet: ({report.Data.Length}):{BitConverter.ToString(report.Data)}");
remainingData = remainingData.Skip(reportSize - 5).ToArray();
seq++;
}
}
private async Task SendRequestAsync(byte command, byte[] data = null)
{
//Log.Debug($"SendRequest: {command:X2}");
if (data == null)
{
data = new byte[0];
}
//Log.Debug($"Data: {BitConverter.ToString(data)}");
//var reportSize = hidDevice.Capabilities.InputReportByteLength;
var reportSize = HID_RPT_SIZE;
var size = data.Length;
var bc_l = (byte)(size & 0xff);
var bc_h = (byte)(size >> 8 & 0xff);
var payloadData = data.Take(reportSize - 7).ToArray();
//Log.Debug($"Payload data: {BitConverter.ToString(payloadData)}");
var payloadBuilder = new ByteArrayBuilder();
payloadBuilder.Append(cid);
payloadBuilder.Append((byte)(TYPE_INIT | command));
payloadBuilder.Append(bc_h);
payloadBuilder.Append(bc_l);
payloadBuilder.Append(payloadData);
while (payloadBuilder.Length < reportSize)
{
payloadBuilder.Append(0x00);
}
var payload = payloadBuilder.GetBytes();
var report = hidDevice.CreateReport();
report.Data = payload;
await hidDevice.WriteReportAsync(report, HidTimeoutMs);
var remainingData = data.Skip(reportSize - 7).ToArray();
var seq = 0;
while (remainingData.Length > 0)
{
payloadData = remainingData.Take(reportSize - 5).ToArray();
//Log.Debug($"Payload data: {BitConverter.ToString(payloadData)}");
payloadBuilder.Clear();
payloadBuilder.Append(cid);
payloadBuilder.Append((byte)(0x7f & seq));
payloadBuilder.Append(payloadData);
while (payloadBuilder.Length < reportSize)
{
payloadBuilder.Append(0x00);
}
payload = payloadBuilder.GetBytes();
report = hidDevice.CreateReport();
report.Data = payload;
if (!await hidDevice.WriteReportAsync(report, HidTimeoutMs))
{
throw new Exception("Error writing to device");
}
remainingData = remainingData.Skip(reportSize - 5).ToArray();
seq++;
}
}
