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CAN driver for Renesas SH7760 (HCAN2)

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CAN driver for Renesas SH7760 (HCAN2)

Postby Martin Nylund » Fri Oct 29, 2004 8:38 am

hcan2mgr - QNX 6.x driver / resource manager for Renesas SH7760
internal CAN controller HCAN2.

Highlights:

- The driver provides POSIX file-system API to the CAN mailboxes. Each
CAN mailbox has a device node (/dev/can[0:1]/[0:31]) which can be
opened, written and read with POSIX file-system calls open(),
write(), read().

- A mailbox can operate in two modes; CAN_FRAME and PIPE. In PIPE mode
the mailbox acts as a transparent data pipe to the receiving end. In
CAN_FRAME mode data exchange is done by writing/reading type defined
C-structure (CanMsg).

- Possibility to use shell tools like cat or dd to read/write the
mailboxes (PIPE mode). Example:
cat my_file.txt > /dev/can0/1/data
cat /dev/can1/3/data > /tmp/my_file.txt

- Fully interrupt driven operation with adjustable Tx/Rx buffers for
each mailbox.

- Flexible mailbox configuration with a configuration file.

Supported mailbox modes:

0 - Transmit remote/data frames
2 - Receive remote/data frames
3 - Receive data frames only

User's guide available. Please contact sales@emtrion.de for more
information.
Martin Nylund
 

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