RTEMS | Draft: cpukit: add support for common CAN/CAN FD stack (!49)

[Pavel Pisa (@ppisa)]

Pavel Pisa commented on a discussion on cpukit/dev/can/ctucanfd/ctucanfd.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/49#note_108439

 > +#include <rtems/score/basedefs.h>
 > +
 > +#include <dev/can/can-devcommon.h>
 > +#include <dev/can/can-helpers.h>
 > +#include <dev/can/can.h>
 > +
 > +#include <dev/can/ctucanfd.h>
 > +#include "ctucanfd_kframe.h"
 > +#include "ctucanfd_kregs.h"
 > +#include "ctucanfd_txb.h"
 > +#include "ctucanfd_priv.h"
 > +
 > +#define CTUCANFD_DEBUG 1
 > +
 > +#define CTUCANFD_IF_MASK 0xFFFF
 > +#define CTUCANFD_ID 0xCAFD

This is magic number synthesized to the core. See 3.1.1 DEVICE_ID register description in [CTU CAN FD Core Datasheet Documentation](http://canbus.pages.fel.cvut.cz/ctucanfd_ip_core/doc/Datasheet.pdf). It is local to the CTU CAN FD driver but as it is a value not a mask, it is not part of generated documentation and header files.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/49#note_108439
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