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From my understanding (and inspecting the USB endpoints via lsusb), CDC/ACM devices use bulk USB transfers under the guise of an emulated COM port (ttyACM) for ease of use. if both devices are wired USB to USB, could I not expect native USB speeds? or am I misunderstanding how ACM works? Would I...

I'm trying to send packets between a Teensy4.1 and linux system. If I understand how USB serial works on the Teensy4, Serial.write should directly use hi speed USB and allow for (in theory) 480 Mbps data transfer rate. On the linux side, I'm interfacing with the Teensy via a virtual com port...