97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
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# Copyright 2009-2017 Wander Lairson Costa
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# Copyright 2009-2021 PyUSB contributors
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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r"""usb._lookups - Lookup tables for USB
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"""
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descriptors = {
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0x1 : "Device",
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0x2 : "Configuration",
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0x3 : "String",
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0x4 : "Interface",
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0x5 : "Endpoint",
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0x6 : "Device qualifier",
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0x7 : "Other speed configuration",
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0x8 : "Interface power",
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0x9 : "OTG",
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0xA : "Debug",
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0xB : "Interface association",
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0xC : "Security",
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0xD : "Key",
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0xE : "Encryption type",
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0xF : "Binary device object store (BOS)",
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0x10 : "Device capability",
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0x11 : "Wireless endpoint companion",
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0x30 : "SuperSpeed endpoint companion",
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}
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device_classes = {
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0x0 : "Specified at interface",
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0x2 : "Communications Device",
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0x9 : "Hub",
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0xF : "Personal Healthcare Device",
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0xDC : "Diagnostic Device",
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0xE0 : "Wireless Controller",
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0xEF : "Miscellaneous",
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0xFF : "Vendor-specific",
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}
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interface_classes = {
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0x0 : "Reserved",
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0x1 : "Audio",
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0x2 : "CDC Communication",
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0x3 : "Human Interface Device",
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0x5 : "Physical",
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0x6 : "Image",
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0x7 : "Printer",
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0x8 : "Mass Storage",
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0x9 : "Hub",
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0xA : "CDC Data",
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0xB : "Smart Card",
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0xD : "Content Security",
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0xE : "Video",
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0xF : "Personal Healthcare",
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0xDC : "Diagnostic Device",
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0xE0 : "Wireless Controller",
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0xEF : "Miscellaneous",
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0xFE : "Application Specific",
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0xFF : "Vendor Specific",
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}
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ep_attributes = {
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0x0 : "Control",
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0x1 : "Isochronous",
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0x2 : "Bulk",
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0x3 : "Interrupt",
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}
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MAX_POWER_UNITS_USB2p0 = 2 # mA
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MAX_POWER_UNITS_USB_SUPERSPEED = 8 # mA
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