Mercurial > hg > ucis.core

comparison USBLib/Communication/LibUsb1/LibUsb1Registry.cs @ 21:dcfec2be27c9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added USBLib
author Ivo Smits <Ivo@UCIS.nl>
date Mon, 15 Apr 2013 01:04:59 +0200
parents
children 2e3f57f326b3
comparison
equal deleted inserted replaced
20:c873e3dd73fe 21:dcfec2be27c9
1 using System;
2 using System.Collections.Generic;
3 using System.Text;
4
5 namespace UCIS.USBLib.Communication.LibUsb1 {
6 public class LibUsb1Registry : IUsbDeviceRegistry {
7 static libusb_context Context;
8
9 libusb_device Device;
10 libusb1.libusb_device_descriptor? DeviceDescriptor = null;
11
12 public unsafe static List<LibUsb1Registry> DeviceList {
13 get {
14 List<LibUsb1Registry> deviceList = new List<LibUsb1Registry>();
15 if (Context == null) {
16 int ret = libusb1.libusb_init(out Context);
17 if (ret != 0) throw new Exception("libusb_init returned " + ret.ToString());
18 }
19 IntPtr* list;
20 IntPtr count = libusb1.libusb_get_device_list(Context, out list);
21 for (IntPtr* item = list; *item != IntPtr.Zero; item++) {
22 deviceList.Add(new LibUsb1Registry(new libusb_device(*item, true)));
23 }
24 libusb1.libusb_free_device_list(list, 0);
25 return deviceList;
26 }
27 }
28
29 private LibUsb1Registry(libusb_device device) {
30 this.Device = device;
31 }
32 private libusb1.libusb_device_descriptor GetDeviceDescriptor() {
33 if (DeviceDescriptor == null) {
34 libusb1.libusb_device_descriptor descriptor;
35 int ret = libusb1.libusb_get_device_descriptor(Device, out descriptor);
36 if (ret < 0) throw new Exception("libusb_get_device_descriptor returned " + ret.ToString());
37 DeviceDescriptor = descriptor;
38 }
39 return DeviceDescriptor.Value;
40 }
41
42 public int Vid { get { return GetDeviceDescriptor().idVendor; } }
43 public int Pid { get { return GetDeviceDescriptor().idProduct; } }
44 public byte InterfaceID { get { return 0; } }
45
46 public string Name {
47 get {
48 byte iProduct = GetDeviceDescriptor().iProduct;
49 libusb_device_handle handle;
50 int ret = libusb1.libusb_open(Device, out handle);
51 if (ret != 0) return null;
52 if (ret != 0) throw new Exception("libusb_open returned " + ret.ToString());
53 StringBuilder data = new StringBuilder(1024);
54 ret = libusb1.libusb_get_string_descriptor_ascii(handle, iProduct, data, data.Capacity);
55 if (ret < 0) throw new Exception("libusb_get_string_descriptor_ascii returned " + ret.ToString());
56 handle.Close();
57 return data.ToString();
58 }
59 }
60 public string Manufacturer {
61 get {
62 byte iProduct = GetDeviceDescriptor().iManufacturer;
63 libusb_device_handle handle;
64 int ret = libusb1.libusb_open(Device, out handle);
65 if (ret != 0) return null;
66 if (ret != 0) throw new Exception("libusb_open returned " + ret.ToString());
67 StringBuilder data = new StringBuilder(1024);
68 ret = libusb1.libusb_get_string_descriptor_ascii(handle, iProduct, data, data.Capacity);
69 if (ret < 0) throw new Exception("libusb_get_string_descriptor_ascii returned " + ret.ToString());
70 handle.Close();
71 return data.ToString();
72 }
73 }
74 public string FullName {
75 get {
76 libusb1.libusb_device_descriptor descriptor = GetDeviceDescriptor();
77 String mfg = null, prod = null;
78 libusb_device_handle handle;
79 int ret = libusb1.libusb_open(Device, out handle);
80 if (ret != 0) return null;
81 if (ret != 0) throw new Exception("libusb_open returned " + ret.ToString());
82 if (descriptor.iManufacturer != 0) {
83 StringBuilder data = new StringBuilder(1024);
84 ret = libusb1.libusb_get_string_descriptor_ascii(handle, descriptor.iManufacturer, data, data.Capacity);
85 if (ret < 0) throw new Exception("libusb_get_string_descriptor_ascii returned " + ret.ToString());
86 mfg = data.ToString();
87 }
88 if (descriptor.iProduct != 0) {
89 StringBuilder data = new StringBuilder(1024);
90 ret = libusb1.libusb_get_string_descriptor_ascii(handle, descriptor.iProduct, data, data.Capacity);
91 if (ret < 0) throw new Exception("libusb_get_string_descriptor_ascii returned " + ret.ToString());
92 prod = data.ToString();
93 }
94 handle.Close();
95 if (mfg == null && prod == null) return null;
96 if (mfg == null) return prod;
97 if (prod == null) return mfg;
98 return mfg + " - " + prod;
99 }
100 }
101 public Byte BusNumber {
102 get {
103 return libusb1.libusb_get_bus_number(Device);
104 }
105 }
106 public Byte DeviceAddress {
107 get {
108 return libusb1.libusb_get_device_address(Device);
109 }
110 }
111 public String SymbolicName { get { return String.Format("libusb;bus={0};address={1}", BusNumber, DeviceAddress); } }
112 IDictionary<String, Object> IUsbDeviceRegistry.DeviceProperties { get { return null; } }
113 public LibUsb1Device Open() {
114 return new LibUsb1Device(Device, this);
115 }
116 IUsbDevice IUsbDeviceRegistry.Open() {
117 return Open();
118 }
119
120 public override bool Equals(object obj) {
121 LibUsb1Registry r = obj as LibUsb1Registry;
122 if (r == null) return false;
123 return r.Device.DangerousGetHandle() == Device.DangerousGetHandle();
124 }
125 }
126 }