Usb flash drive connection teensy4.1 transfer rate is very slow

H

hupool

Member
At present, I plan to synchronize my files to the USB flash drive through teensy when I modify them. But running the related instance file found that the transfer rate is very slow, the maximum is only 1MB/s, I want to know this is normal? Or am I running the wrong instance? How can I modify it to make it faster?

Code is found in https://github.com/KurtE/MTP_Teensy, running a MTP - test - integrity file.

I just want the PC to recognize the USB drive connected through Teensy, so that files can be quickly transferred through the MTP protocol. Is there any better example?

Teensy 4.1
Arduino 1.8.19
Teensyduino 1.58 beta 3
Windows 10
 
Note, I don't normally use the integrity test sketch. I would probably use the simplified examples, like: Example_5_MTP_USB.ino

But as for speed, not sure how fast MTP can run. Been awhile since I tested it. Sometimes I use one of the other examples to get an idea. As I have a quick and dirty FS (bogus) that does very little except look to see if it properly received a file or not. So it can isolate what time is spent just with the MTP stuff versus also with the File system.
 
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