Clipsal C-Bus Guia do Utilizador descarregar pdf (Página 49)

cbus Documentation, Release 0.1-dev

Base type for lighting application SALs.

This should not be called directly by your code!

Use one of the subclasses of cbus.protocol.lighting.LightingSAL instead.

classmethod decode(data, packet)

Decodes a lighting application packet and returns it’s SAL(s).

Parameters

• data (str) – SAL data to be parsed.

• packet (cbus.protocol.base_packet.BasePacket) – The packet that this data is associated

with.

Returns The SAL messages contained within the given data.

Return type list of cbus.protocol.application.lighting.LightingSAL

encode()

Encodes the SAL into a format for sending over the C-Bus network.

class cbus.protocol.application.lighting.LightingRampSAL(packet, group_address, dura-

tion, level)

Bases: cbus.protocol.application.lighting.LightingSAL

Lighting Ramp (fade) event SAL

Instructs the given group address to fade to a lighting level (brightness) over a given duration.

Creates a new SAL Lighting Ramp message.

Parameters

• packet (cbus.protocol.base_packet.BasePacket) – The packet that this SAL is to be included

in.

• group_address (int) – The group address to ramp.

• duration (int) – The duration to ramp over, in seconds.

• level (ﬂoat) – The level to ramp to, with 0.0 indicating off, and 1.0 indicating full brightness.

classmethod decode(data, packet, command_code, group_address)

Do not call this method directly – use LightingSAL.decode

encode()

class cbus.protocol.application.lighting.LightingOnSAL(packet, group_address)

Bases: cbus.protocol.application.lighting.LightingSAL

Lighting on event SAL

Instructs a given group address to turn it’s load on.

Creates a new SAL Lighting On message.

Parameters

• packet (cbus.protocol.base_packet.BasePacket) – The packet that this SAL is to be included

in.

• group_address (int) – The group address to turn on.

classmethod decode(data, packet, command_code, group_address)

Do not call this method directly – use LightingSAL.decode

encode()

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Clipsal C-Bus Guia do Utilizador Página 49