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Yaron Galula(deleted)
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Re: libio-can.a & canctl documentation
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Yaron Galula(deleted)
06/12/2014 6:30 AM
post110673
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Re: libio-can.a & canctl documentation
Why was this post removed from the list of posts in the forum?
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Andre D'Iorio(deleted)
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Re: libio-can.a & canctl documentation
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Andre D'Iorio(deleted)
06/12/2014 10:35 AM
post110675
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Re: libio-can.a & canctl documentation
Hi,
I've looked for some libio-can documentatiion, but all I can find is the readme and use files under hardware/can/mx6x.
Here are some additional details...
The libio-can library contains the generic resource manager portion of the CAN driver. It supports the initialization
and standard I/O read() and write() calls, as well as the following devctl commands:
CAN_DEVCTL_SET_MID: Set the mailbox Message ID.
CAN_DEVCTL_SET_MFILTER: Set the mailbox Message filter.
CAN_DEVCTL_SET_PRIO: Set the mailbox priority.
CAN_DEVCTL_SET_TIMESTAMP: Set the timestamp to be transmitted.
CAN_DEVCTL_DEBUG_INFO: Print out a dump of the CAN registers.
CAN_DEVCTL_GET_MID: Get the mailbox Message ID.
CAN_DEVCTL_GET_MFILTER: Get the mailbox Message filter.
case CAN_DEVCTL_GET_PRIO: Get the mailbox priority.
CAN_DEVCTL_GET_TIMESTAMP: Get the current timestamp time.
CAN_DEVCTL_READ_CANMSG_EXT: Read the next received frame
CAN_DEVCTL_ERROR: read current CAN errors
The canctl app can be viewed as a utility that demonstrates how to interface to the driver. It exercises these devctl
calls. For these devctl calls, the work is done in the device-specific portion of the driver (/hardware/can/mx6x).
I hope this helps!
Andre
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