When I use CAN in Redboot, there is no interrupt enabled. How to drive the
CAN module?
Presently, I add the CAN poll operation in do_idle() by call the CAN driver
DSR periodically.
I don't find there is a standard way to poll CAN module through IO/CAN
APIs, so I have to call driver function directly. Maybe we can add a
CYG_IO_SET_CONFIG_CAN_INPUT_DRAIN config key, to poll CAN module through
ioctl?
Thanks in advance.
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