1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
# Copyright 2009-2017 Wander Lairson Costa
# Copyright 2009-2021 PyUSB contributors
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import utils
import unittest
import devinfo
import struct
import usb
import usb.core
from usb._debug import methodtrace
class LegacyTest(unittest.TestCase):
__test__ = False
@methodtrace(utils.logger)
def __init__(self):
unittest.TestCase.__init__(self)
@methodtrace(utils.logger)
def runTest(self):
try:
self.test_find_device()
self.test_open_device()
self.test_device_descriptor()
self.test_configuration_descriptor()
self.test_interface_descriptor()
self.test_endpoint_descriptor()
self.test_open_device()
self.test_set_configuration()
self.test_claim_interface()
self.test_set_interface_altsetting()
self.test_clear_halt()
self.test_bulk_write_read()
self.test_intr_write_read()
self.test_ctrl_transfer()
self.test_get_string()
self.test_get_descriptor()
except:
# do this to not influence other tests upon error
if hasattr(self, 'handle'):
self.handle.releaseInterface()
del self.handle
raise
self.test_release_interface()
self.test_close_device()
@methodtrace(utils.logger)
def test_find_device(self):
busses = usb.busses()
for bus in busses:
for dev in bus.devices:
if dev.idVendor == devinfo.ID_VENDOR and dev.idProduct == devinfo.ID_PRODUCT:
self.dev = dev
return
self.fail('PyUSB test device not found')
@methodtrace(utils.logger)
def test_device_descriptor(self):
self.assertEqual(self.dev.usbVersion, '02.00')
self.assertEqual(self.dev.idVendor, devinfo.ID_VENDOR)
self.assertEqual(self.dev.idProduct, devinfo.ID_PRODUCT)
self.assertEqual(self.dev.deviceVersion, '00.01')
self.assertEqual(self.dev.iManufacturer, 0x01)
self.assertEqual(self.dev.iProduct, 0x02)
self.assertEqual(self.dev.iSerialNumber, 0x03)
self.assertEqual(len(self.dev.configurations), 0x01)
self.assertEqual(self.dev.maxPacketSize, 8)
self.assertEqual(self.dev.deviceClass, 0x00)
self.assertEqual(self.dev.deviceSubClass, 0x00)
self.assertEqual(self.dev.deviceProtocol, 0x00)
@methodtrace(utils.logger)
def test_configuration_descriptor(self):
cfg = self.dev.configurations[0]
self.assertEqual(cfg.totalLength, 78)
self.assertEqual(len(cfg.interfaces), 0x03)
self.assertEqual(cfg.value, 0x01)
self.assertEqual(cfg.iConfiguration, 0x00)
self.assertEqual(cfg.remoteWakeup, 0)
self.assertEqual(cfg.selfPowered, 1)
self.assertEqual(cfg.maxPower, 100)
@methodtrace(utils.logger)
def test_interface_descriptor(self):
intf = self.dev.configurations[0].interfaces[0][0]
self.assertEqual(intf.interfaceNumber, 0)
self.assertEqual(intf.alternateSetting, 0)
self.assertEqual(len(intf.endpoints), 2)
self.assertEqual(intf.interfaceClass, 0x00)
self.assertEqual(intf.interfaceSubClass, 0x00)
self.assertEqual(intf.interfaceProtocol, 0x00)
self.assertEqual(intf.iInterface, 0x00)
@methodtrace(utils.logger)
def test_endpoint_descriptor(self):
ep = self.dev.configurations[0].interfaces[0][0].endpoints[0]
self.assertEqual(ep.address, 0x01)
self.assertEqual(ep.type, 0x02)
self.assertEqual(ep.maxPacketSize, 16)
self.assertEqual(ep.interval, 0)
@methodtrace(utils.logger)
def test_open_device(self):
self.handle = self.dev.open()
self.assertNotEquals(self.handle, None)
@methodtrace(utils.logger)
def test_close_device(self):
del self.handle
@methodtrace(utils.logger)
def test_set_configuration(self):
self.handle.setConfiguration(1)
@methodtrace(utils.logger)
def test_set_interface_altsetting(self):
self.handle.setAltInterface(0)
@methodtrace(utils.logger)
def test_claim_interface(self):
self.handle.claimInterface(0)
@methodtrace(utils.logger)
def test_release_interface(self):
self.handle.releaseInterface()
@methodtrace(utils.logger)
def test_bulk_write_read(self):
self.handle.setAltInterface(devinfo.INTF_BULK)
self.__write_read(
self.handle.bulkWrite,
self.handle.bulkRead,
devinfo.EP_BULK)
@methodtrace(utils.logger)
def test_intr_write_read(self):
self.handle.setAltInterface(devinfo.INTF_INTR)
self.__write_read(
self.handle.interruptWrite,
self.handle.interruptRead,
devinfo.EP_INTR)
@methodtrace(utils.logger)
def test_clear_halt(self):
self.handle.clearHalt(0x01)
self.handle.clearHalt(0x81)
@methodtrace(utils.logger)
def test_ctrl_transfer(self):
for data in (utils.get_array_data1(), utils.get_array_data2()):
length = len(data) * data.itemsize
ret = self.handle.controlMsg(
0x40,
devinfo.PICFW_SET_VENDOR_BUFFER,
data,
0,
0,
1000)
self.assertEqual(ret,
length,
'Failed to write data: ' + str(data) + ', ' + str(length) + ' != ' + str(ret))
ret = self.handle.controlMsg(
0xC0,
devinfo.PICFW_GET_VENDOR_BUFFER,
length,
0,
0,
1000)
self.assertEqual(ret,
data,
'Failed to read data: ' + str(data) + ' != ' + str(ret))
@methodtrace(utils.logger)
def test_get_string(self):
manufacturer_str = 'Travis Robinson'.encode('ascii')
product_str = 'Benchmark Device'.encode('ascii')
self.assertEqual(self.handle.getString(self.dev.iManufacturer, 0), manufacturer_str)
self.assertEqual(self.handle.getString(self.dev.iProduct, 0), product_str)
@methodtrace(utils.logger)
def test_get_descriptor(self):
dev = usb.core.find(idVendor=devinfo.ID_VENDOR,
idProduct=devinfo.ID_PRODUCT)
assert dev is not None
dev_fmt = 'BBHBBBBHHHBBBB'
dev_descr = (dev.bLength,
dev.bDescriptorType,
dev.bcdUSB,
dev.bDeviceClass,
dev.bDeviceSubClass,
dev.bDeviceProtocol,
dev.bMaxPacketSize0,
dev.idVendor,
dev.idProduct,
dev.bcdDevice,
dev.iManufacturer,
dev.iProduct,
dev.iSerialNumber,
dev.bNumConfigurations)
ret = self.handle.getDescriptor(
dev.bDescriptorType,
0,
struct.calcsize(dev_fmt))
self.assertEqual(struct.unpack(dev_fmt, ret.tobytes()), dev_descr)
def __write_read(self, write_fn, read_fn, ep):
for data in (utils.get_array_data1(), utils.get_array_data2()):
length = len(data) * data.itemsize
try:
ret = write_fn(ep, data, 1000)
except NotImplementedError:
return
self.assertEqual(ret,
length,
'Failed to write data: ' + \
str(data) + \
', in EP = ' + \
str(ep))
try:
ret = read_fn(ep | usb.util.ENDPOINT_IN, length, 1000)
except NotImplementedError:
return
self.assertEqual(ret,
data,
'Failed to read data: ' + \
str(data) + \
', in EP = ' + \
str(ep))
def get_suite():
suite = unittest.TestSuite()
if utils.find_my_device():
suite.addTest(LegacyTest())
return suite
if __name__ == '__main__':
utils.run_tests(get_suite())
|
