HMS NETWORKS CANbridge NT Lua ADK Bridge Router User Guide

CAN@net NT/CANbridge NT Lua ADK  

C Funcons Called from Lua  

• port: CAN port number (1.. 4), depending on the available CAN ports of the target device.  

• format: combinaon of three characters to specify the message format, e.g.:  

– "csr"means: "classic CAN", "standard idener (11 bit)", "remote frame"  

– "fed"means: "CAN-FD", "extended idener (29 bit)", "data frame"  

• ident: message idener  

• payload: data bytes of the message as arrayor table(see "can. register_msg")  

Funcon 'can.stop'  

can.stop(port)  

Stop the CAN controller to prevent message recepon/ransmission on the port.  

• port: CAN port number (1.. 4), depending on the available CAN ports of the target device.  

Funcon 'can.start'  

can.start(port)  

Start the CAN controller again.  

• port: CAN port number (1.. 4), depending on the available CAN ports of the target device.  

Funcon 'can.init'  

can.init(port, mode, baudA, baudD)  

Inialize the CAN controller.  

The CAN controller must be stopped beforehand and restarted afer inializaon.  

Example:  

can.stop(1)  

can.init(1, "---", 250, 0)  

can.start(1)  

• port: CAN port number (1.. 4), depending on the available CAN ports of the target device.  

• mode: combinaon of three characters to specify the CAN operaonal mode:  

– "aci"means: "acve", "Classic CAN", "ISO" ("---"is also valid as an alernave)  

– "lfn"means: "listen-only", "CAN-FD", "non ISO" ("non ISO" only with CAN-FD)  

• baudA: Classic CAN: Baud rate value in KBaud like 125, CAN FD: Baud rate value in KBaud for arbiraon phase  

• baudD: For CAN-FD: Baud rate in KBaud for data phsae. 0 for Classic CAN  

Funcon 'can.set_crossbar_switch'  

can.set_crossbar_switch(rx_port, tx_port, turn_on)  

Turns the device internal message stream on or o. Message streams are specied by the CAN ports (receive  

and transmit can port). The uni-direconal message ow between these ports can be turned on and o with the  

crossbar switch.  

Page 12 of 20  

4.02.0332.20002 Version 1.5  

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