imported>OCDoc Import: Imported from legacy OpenComputers documentation at ocdoc.cil.li

2026-08-24T08:08:27Z

Imported from legacy OpenComputers documentation at ocdoc.cil.li

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= Component: Abstract Bus =

This card allows for interfacing with [Stargate Tech 2](http://stargatetech.theender.net/miscellaneous/home.html)'s Abstract Bus system.

Component name: `abstract_bus`. Callbacks:

* `getEnabled(): boolean`

<pre>Returns whether the local bus interface is enabled.
</pre>
* `setEnabled(enabled: boolean)`

<pre>Sets whether the local bus interface should be enabled
</pre>
* `getAddress(): number`

<pre>Returns the local interface address. `number` is a 16 bit hexadecimal number (0xFFFF being a broadcast).
Returns `0` if an address has not yet been set.
</pre>
* `setAddress(address: number)`

<pre>Sets the local interface address. `number` is a 16bit hexadecimal number.
</pre>
* `scan(mask: number): table`

<pre>Scans the abstract bus for attached devices and returns them in a list.
</pre>
* `send(address: number, data: table): boolean`

<pre>Sends data across the abstract bus. The table `data` is in the form of key-value pairs, e.g.
```
lua> component.abstract_bus.send(0xFFFF, { ["action"]="dial", ["address"]="Losomdeh Salothirt Erpac" })
```
* See SGTech2 documentation for more info on the Abstract Bus.
</pre>
* `maxPacketSize(): number`

<pre>Returns the maximum size a packet can be sent over the bus.
</pre>
== The abstract bus generates a signal named `bus_message` if a message is received. See the [[Component/signals|signals reference]]. ==

{{:Component/contents}}

Component/abstract bus - Revision history

imported>OCDoc Import: Imported from legacy OpenComputers documentation at ocdoc.cil.li