CAN-GC2 Universal 16 bits I/O node for Cbus

This page documents the HEAD revision of the firmware.

Firmware

NMRA Manufacturer ID	70
Product ID	2

Bit	Function
0	save output states at power off command
1	use short events
2, 3	pulse time: 0x00=250ms, 0x04=500ms, 0x08=1000ms, 0x0C=2000ms

Bit	Function
0	1=Input	0=Output
1	0=direct reporting 1=delayed reporting for occupancy detection.	0=pulse 1=continuous
2	1=inverted

Inputs will generate OPC_ACON/OPC_ACOF events.
IR-Inputs will generate OPC_ACON3 events with loco address in extra byte 5-6 and the train category in 7.
A "Start of Day" event will trigger all inputs to report their status.
Outputs will change status on OPC_ACON/OPC_ACOF.

Event#	Description	Variable
0-15	port 1…16	not used
16	SoD (start of day)	not used

Unsolicited
OPC_ASON,OPC_ASOF

LED#	Color	Information	Remark
1	green	CBUS activity.	With an off delay of 50ms which does not show the actual traffic on the CAN bus; Its just a human friendly indicator.
2	yellow	Event learning mode.	Blinking at a rate of 1Hz, otherwise this LED is off. Triggered by the FLiM switch.
3	red	Firmware started running the main loop.	There is a hardware/firmware problem if this LED does not illuminate. It is normal that this LED flickers at CBUS activity; The main loop is interrupted.