I going to write program with C++ for USB device and i going to display Port Number,when you type in your terminal root@raminfp# usb-device
you will see in output :
T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=02 Dev#= 3 Spd=12 MxCh= 7
what means Port:00
or Port:01
?
https://www.mjmwired.net/kernel/Documentation/usb/proc_usb_info.txt
T: Bus=dd Lev=dd Prnt=dd Port=dd Cnt=dd Dev#=ddd Spd=dddd MxCh=dd
118 | | | | | | | | |__MaxChildren
119 | | | | | | | |__Device Speed in Mbps
120 | | | | | | |__DeviceNumber
121 | | | | | |__Count of devices at this level
122 | | | | |__Connector/Port on Parent for this device
123 | | | |__Parent DeviceNumber
124 | | |__Level in topology for this bus
125 | |__Bus number
126 |__Topology info tag
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