Hello, RIOT defines a low-level CAN device driver interface.
Suppose the MCU (for example, Espressifs ESP32) provides a CAN hardware implementation that could be used to integrate CAN peripherals into RIOT if there were a low-level CAN device driver for it. So I thought about including such a low-level CAN device driver in my ESP32 port. In accordance with the license terms of Bosch, each implementation of the CAN protocol and the CAN FD protocol requires a license. From my point of view, the hardware manufacturer would normally be responsible for getting a license. However, Espressif simply states: "Since the selling price of the ESP32 includes no such royalty fee, Espressif hereby disclaims any liability or obligation regarding the CAN Protocol license. Users of the CAN Protocol via the ESP32’s CAN peripheral should contact Robert Bosch GmbH directly for the necessary license." In this case, should no CAN device driver be available to prevent license violation by RIOT users? Or should I implement the CAN device driver and give an important note as it is done by Espressif? Regards Gunar -- Wenn du laufen willst, lauf eine Meile. Wenn du ein neues Leben kennenlernen willst, dann lauf Marathon. (Emil Zatopek)
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