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1 ???using System; |
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2 using System.Collections.Generic; |
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3 using System.Text; |
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4 |
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5 namespace UCIS.USBLib.Communication.LibUsb1 { |
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6 public class LibUsb1Registry : IUsbDeviceRegistry { |
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7 static libusb_context Context; |
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8 |
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9 libusb_device Device; |
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10 libusb1.libusb_device_descriptor? DeviceDescriptor = null; |
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11 |
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12 public unsafe static List<LibUsb1Registry> DeviceList { |
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13 get { |
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14 List<LibUsb1Registry> deviceList = new List<LibUsb1Registry>(); |
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15 if (Context == null) { |
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16 int ret = libusb1.libusb_init(out Context); |
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17 if (ret != 0) throw new Exception("libusb_init returned " + ret.ToString()); |
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18 } |
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19 IntPtr* list; |
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20 IntPtr count = libusb1.libusb_get_device_list(Context, out list); |
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21 for (IntPtr* item = list; *item != IntPtr.Zero; item++) { |
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22 deviceList.Add(new LibUsb1Registry(new libusb_device(*item, true))); |
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23 } |
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24 libusb1.libusb_free_device_list(list, 0); |
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25 return deviceList; |
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26 } |
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27 } |
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28 |
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29 private LibUsb1Registry(libusb_device device) { |
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30 this.Device = device; |
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31 } |
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32 private libusb1.libusb_device_descriptor GetDeviceDescriptor() { |
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33 if (DeviceDescriptor == null) { |
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34 libusb1.libusb_device_descriptor descriptor; |
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35 int ret = libusb1.libusb_get_device_descriptor(Device, out descriptor); |
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36 if (ret < 0) throw new Exception("libusb_get_device_descriptor returned " + ret.ToString()); |
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37 DeviceDescriptor = descriptor; |
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38 } |
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39 return DeviceDescriptor.Value; |
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40 } |
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41 |
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42 public int Vid { get { return GetDeviceDescriptor().idVendor; } } |
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43 public int Pid { get { return GetDeviceDescriptor().idProduct; } } |
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44 public byte InterfaceID { get { return 0; } } |
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45 |
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46 public string Name { |
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47 get { |
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48 byte iProduct = GetDeviceDescriptor().iProduct; |
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49 libusb_device_handle handle; |
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50 int ret = libusb1.libusb_open(Device, out handle); |
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51 if (ret != 0) return null; |
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52 if (ret != 0) throw new Exception("libusb_open returned " + ret.ToString()); |
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53 StringBuilder data = new StringBuilder(1024); |
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54 ret = libusb1.libusb_get_string_descriptor_ascii(handle, iProduct, data, data.Capacity); |
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55 if (ret < 0) throw new Exception("libusb_get_string_descriptor_ascii returned " + ret.ToString()); |
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56 handle.Close(); |
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57 return data.ToString(); |
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58 } |
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59 } |
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60 public string Manufacturer { |
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61 get { |
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62 byte iProduct = GetDeviceDescriptor().iManufacturer; |
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63 libusb_device_handle handle; |
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64 int ret = libusb1.libusb_open(Device, out handle); |
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65 if (ret != 0) return null; |
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66 if (ret != 0) throw new Exception("libusb_open returned " + ret.ToString()); |
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67 StringBuilder data = new StringBuilder(1024); |
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68 ret = libusb1.libusb_get_string_descriptor_ascii(handle, iProduct, data, data.Capacity); |
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69 if (ret < 0) throw new Exception("libusb_get_string_descriptor_ascii returned " + ret.ToString()); |
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70 handle.Close(); |
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71 return data.ToString(); |
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72 } |
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73 } |
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74 public string FullName { |
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75 get { |
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76 libusb1.libusb_device_descriptor descriptor = GetDeviceDescriptor(); |
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77 String mfg = null, prod = null; |
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78 libusb_device_handle handle; |
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79 int ret = libusb1.libusb_open(Device, out handle); |
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80 if (ret != 0) return null; |
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81 if (ret != 0) throw new Exception("libusb_open returned " + ret.ToString()); |
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82 if (descriptor.iManufacturer != 0) { |
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83 StringBuilder data = new StringBuilder(1024); |
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84 ret = libusb1.libusb_get_string_descriptor_ascii(handle, descriptor.iManufacturer, data, data.Capacity); |
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85 if (ret < 0) throw new Exception("libusb_get_string_descriptor_ascii returned " + ret.ToString()); |
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86 mfg = data.ToString(); |
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87 } |
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88 if (descriptor.iProduct != 0) { |
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89 StringBuilder data = new StringBuilder(1024); |
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90 ret = libusb1.libusb_get_string_descriptor_ascii(handle, descriptor.iProduct, data, data.Capacity); |
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91 if (ret < 0) throw new Exception("libusb_get_string_descriptor_ascii returned " + ret.ToString()); |
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92 prod = data.ToString(); |
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93 } |
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94 handle.Close(); |
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95 if (mfg == null && prod == null) return null; |
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96 if (mfg == null) return prod; |
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97 if (prod == null) return mfg; |
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98 return mfg + " - " + prod; |
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99 } |
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100 } |
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101 public Byte BusNumber { |
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102 get { |
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103 return libusb1.libusb_get_bus_number(Device); |
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104 } |
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105 } |
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106 public Byte DeviceAddress { |
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107 get { |
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108 return libusb1.libusb_get_device_address(Device); |
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109 } |
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110 } |
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111 public String SymbolicName { get { return String.Format("libusb;bus={0};address={1}", BusNumber, DeviceAddress); } } |
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112 IDictionary<String, Object> IUsbDeviceRegistry.DeviceProperties { get { return null; } } |
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113 public LibUsb1Device Open() { |
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114 return new LibUsb1Device(Device, this); |
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115 } |
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116 IUsbDevice IUsbDeviceRegistry.Open() { |
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117 return Open(); |
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118 } |
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119 |
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120 public override bool Equals(object obj) { |
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121 LibUsb1Registry r = obj as LibUsb1Registry; |
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122 if (r == null) return false; |
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123 return r.Device.DangerousGetHandle() == Device.DangerousGetHandle(); |
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124 } |
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125 } |
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126 } |
