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Generalization of the USB Hosts CDC example for more than PSTN

Question asked by David Pfaltzgraff on Apr 4, 2018
Latest reply on Jun 12, 2018 by Daniel Chen

In working through the USB Host CDC example found at C:\KSDK2\boards\frdmk22f\usb_examples\usb_host_cdc\freertos I find that the device must specifically be "Calss-specific PSTN". Since I'm new to this arena, is there any documentation available that would help me move towards just a serial interface.


Specifically, for this device, the InterfaceClass and InterfaceSubClass are all defined as 0xFF.


Note: I found the example  in KSDK 1.2 more enlightening, but I'd prefer to use the more recent examples.