CAN Module¶

Since	Origin / Contributor	Maintainer	Source
2017-04-27	@ThomasBarth, zelll		can.c

The CAN module provides access to the in-built CAN controller.

can.send()¶

Send a frame.

can.send(format, msg_id, data)

nil

Configuration CAN controller.

can.setup(config, callback)

config table.
- speed kbps. One of following value: 1000, 800, 500, 250, 100.
- tx Pin num for TX.
- rx Pin num for RX.
- dual_filter true dual filter mode, false single filter mode (default)
- code 4-bytes integer. Use this with mask to filter CAN frame. Default: 0. See SJA1000
- mask 4-bytes integer. Default: 0xffffffff
callback function to be called when CAN data received.
- format Frame format. can.STANDARD_FRAME or can.EXTENDED_FRAME
- msg_id CAN Message ID
- data CAN data, up to 8 bytes

nil

can.setup({
  speed = 1000,
  tx = 5,
  rx = 4,
  dual_filter = false,
  code = 0,
  mask = 0xffffffff
}, function(format, msg_id, data) end)

Start CAN controller.

can.start()

none

nil

Stop CAN controller.

can.stop()

none

nil