Bus controlled lighting system

1 . A lighting system comprising a plurality of nodes arranged in a serial network, the lighting system comprising:

a master node,

one or more gateway nodes,

a first communication bus connecting the one or more gateway nodes to the master node,

a plurality of slave nodes, each slave node being connected to a lighting source and arranged for conveying data messages,

one or more second communication buses, each connecting one of the gateway nodes with one or more slave nodes of said plurality of slave nodes,

wherein the one or more gateway nodes are arranged for receiving a unique network address via the first communication bus and the plurality of slave nodes is arranged for receiving a unique network address via one of the second communication buses and

wherein at least one gateway node comprises a lighting plan comprising a plurality of lighting scenarios represented in one or more lookup tables carrying lighting information parameters and one or more slave nodes connected to said one gateway node of the one or more gateway nodes comprise a local version of said one or more lookup tables that is identical to said one or more lookup tables stored in said one gateway node, wherein said one gateway node of the one or more gateway nodes is configured for conveying one or more lookup table indices to one or more slave nodes connected to that gateway node, said one or more slave nodes arranged to control the lighting source based on a lighting scenario of said plurality of lighting scenarios and to calculate a light intensity value and/or colour from the unique network address of the one or more slave nodes and said one or more lookup table indices.

2 . The lighting system as in claim 1 , wherein the first and the one or more second communication buses are arranged for bidirectional communication.

3 . The lighting system as in claim 1 , wherein at least one of the gateway nodes is also a slave node connected to a lighting source.

4 . The lighting system as in claim 1 , wherein the lighting source comprises one or more light emitting diodes, LEDs.

5 . The lighting system as in claim 1 , wherein one or more slave nodes connected to one of the one or more gateway nodes which are configured for storing the lighting plan, are arranged to control the lighting source based on the lighting plan.

6 . The lighting system as in claim 1 , wherein the at least one of the one or more slave nodes is configured to calculate one or more indices for the look-up table based on the unique network address.

7 . The lighting system as in claim 6 , wherein the one or more slave nodes connected to said one gateway node of the one or more gateway nodes all comprise a local version of the one or more look-up tables.

8 . The lighting system as in claim 1 , wherein all the one or more gateway nodes comprise the lighting plan.

9 . The lighting system as in claim 1 , wherein the first and the one or more second communication buses are of the same type.

10 . The lighting system as in claim 1 , wherein at least one of the first and the one or more second communication buses is a LIN communication bus.

11 . The lighting system as in claim 1 , wherein the one or more slave nodes are each implemented as an integrated circuit and/or wherein the one or more gateway nodes are each implemented as an integrated circuit.

12 . The lighting system as in claim 11 , wherein the integrated circuit comprises a memory for storing the unique network addresses and/or lighting plan and/or one or more lookup tables.

13 . A vehicle lighting system comprising a lighting system as in claim 1 .

14 . The lighting system as in claim 1 , wherein the one or more lookup table indices conveyed to the one or more slave nodes are used to synchronize the one or more slave nodes and the one or more gateway nodes.

15 . A lighting system comprising a plurality of nodes arranged in a serial network, the lighting system comprising:

a master node,

one or more gateway nodes,

a first communication bus connecting the one or more gateway nodes to the master node,

a plurality of slave nodes, each slave node being connected to a lighting source and arranged for conveying data messages,

one or more second communication buses, each connecting one of the gateway nodes with one or more slave nodes of said plurality of slave nodes,

wherein the one or more gateway nodes are arranged for receiving a unique network address via the first communication bus and the plurality of slave nodes is arranged for receiving a unique network address via one of the second communication buses and

wherein at least one gateway node comprises a first lighting plan comprising a plurality of lighting scenarios represented in one or more lookup tables carrying lighting information parameters and one or more slave nodes connected to said one gateway node of the one or more gateway nodes comprise a local version of said one or more lookup tables, wherein said one gateway node of the one or more gateway nodes is configured for conveying one or more first lookup table indices to one or more slave nodes connected to that gateway node, said one or more slave nodes arranged to control the lighting source based on a lighting scenario of said plurality of lighting scenarios and to calculate a light intensity value and/or colour based on the unique network address of the one or more slave nodes and on said one or more lookup table indices,

wherein the master node further comprises a second lighting plan comprising a higher number of lighting scenarios and of lookup tables than the one or more gateway nodes, wherein said master node is configured for conveying one or more second lookup table indices to the one or more gateway nodes connected to the master node.