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1 ???using System; |
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2 using System.Text; |
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3 using UCIS.USBLib.Descriptor; |
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4 |
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5 namespace UCIS.USBLib.Communication { |
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6 public abstract class UsbInterface : IUsbInterface { |
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7 public virtual byte Configuration { |
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8 get { |
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9 byte[] buf = new byte[1]; |
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10 int tl = ControlRead( |
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11 UsbControlRequestType.EndpointIn | UsbControlRequestType.TypeStandard | UsbControlRequestType.RecipDevice, |
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12 (byte)UsbStandardRequest.GetConfiguration, 0, 0, |
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13 buf, 0, buf.Length); |
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14 if (tl != buf.Length) throw new Exception("Read failed"); |
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15 return buf[0]; |
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16 } |
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17 set { |
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18 throw new NotImplementedException(); |
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19 } |
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20 } |
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21 public unsafe virtual string GetString(short langId, byte stringIndex) { |
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22 Byte[] buffer = new Byte[256]; |
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23 int tl = GetDescriptor((byte)UsbDescriptorType.String, stringIndex, langId, buffer, 0, buffer.Length); |
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24 if (tl < 2) return null; |
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25 return UsbStringDescriptor.GetString(buffer, 0, tl); |
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26 } |
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27 public virtual int GetDescriptor(byte descriptorType, byte index, short langId, byte[] buffer, int offset, int length) { |
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28 return ControlRead( |
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29 UsbControlRequestType.EndpointIn | UsbControlRequestType.RecipDevice | UsbControlRequestType.TypeStandard, |
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30 (Byte)UsbStandardRequest.GetDescriptor, |
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31 (short)((descriptorType << 8) | index), langId, buffer, offset, length); |
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32 } |
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33 public virtual int ControlWrite(UsbControlRequestType requestType, byte request, short value, short index) { |
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34 return ControlWrite(requestType, request, value, index, null, 0, 0); |
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35 } |
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36 |
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37 public abstract void Close(); |
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38 |
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39 public abstract int BulkWrite(Byte endpoint, Byte[] buffer, int offset, int length); |
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40 public abstract int BulkRead(Byte endpoint, Byte[] buffer, int offset, int length); |
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41 public abstract int InterruptWrite(Byte endpoint, Byte[] buffer, int offset, int length); |
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42 public abstract int InterruptRead(Byte endpoint, Byte[] buffer, int offset, int length); |
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43 public abstract int ControlWrite(UsbControlRequestType requestType, byte request, short value, short index, byte[] buffer, int offset, int length); |
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44 public abstract int ControlRead(UsbControlRequestType requestType, byte request, short value, short index, byte[] buffer, int offset, int length); |
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45 |
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46 public UsbPipeStream GetBulkStream(Byte endpoint) { |
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47 return new UsbPipeStream(this, endpoint, false); |
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48 } |
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49 public UsbPipeStream GetInterruptStream(Byte endpoint) { |
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50 return new UsbPipeStream(this, endpoint, true); |
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51 } |
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52 |
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53 public void Dispose() { |
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54 Close(); |
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55 GC.SuppressFinalize(this); |
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56 } |
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57 ~UsbInterface() { |
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58 Close(); |
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59 } |
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60 } |
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61 } |
