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==Component Source Code==
==Component Source Code==


Please click here for the component source code: [https://www.flowcode.co.uk/wikicopy/componentsource/FC_Comp_Source_DMX-512_Slave.fcfx FC_Comp_Source_DMX-512_Slave.fcfx]
Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_DMX-512_Slave.fcfx FC_Comp_Source_DMX-512_Slave.fcfx]
 
Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_DMX-512_Slave.fcfx FC_Comp_Source_DMX-512_Slave.fcfx]


==Detailed description==
==Detailed description==




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DMX Slave Example, captures the first DMX data channel sent from the Master and outputs the value onto a Port using the LED array component.
{{Fcfile|DMX_Slave_Example1.fcfx|DMX Slave Example1}}
For DMX 512 Master example see [[Component:_ID_b4e10f9e_4ea9_4fbc_a584_a4d7d4d8fba6|DMX Master]]




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DMX Slave Example, captures the first DMX data channel sent from the Master and outputs the value onto a Port using the LED array component.
{{Fcfile|DMX_Slave_Example1.fcfx|DMX Slave Example1}}




For DMX 512 Master example see [[Component: DMX 512 Master (Comms: System)]]


==Downloadable macro reference==
==Macro reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===GetDataChannel===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetDataChannel'''
| width="90%" class="mtx-class-macrohead" | '''GetDataChannel'''
|-
|-
| colspan="2" | Gets the data byte from a data channel 
| colspan="2" | Gets the data byte from a data channel 
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{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===Initialise===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReceiveDataChain'''
| width="90%" class="mtx-class-macrohead" | '''Initialise'''
|-
|-
| colspan="2" | Waits for a BREAK, MAB and StartCode followed by the contents of the data channels. Returns 0 to indicate a timeout and 1 to indicate succesful reception. 
| colspan="2" | Configures the UART serial interface. 
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" | Timeout
|-
| colspan="2" | 0 = Don't wait, 1 - 254 = 1ms - 254ms, 255 = Wait forever 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===ReceiveDataChain===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
| width="90%" class="mtx-class-macrohead" | '''ReceiveDataChain'''
|-
|-
| colspan="2" | Configures the UART serial interface. 
| colspan="2" | Waits for a BREAK, MAB and StartCode followed by the contents of the data channels. Returns 0 to indicate a timeout and 1 to indicate succesful reception. 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Timeout
|-
|-
| colspan="2" | 0 = Don't wait, 1 - 254 = 1ms - 254ms, 255 = Wait forever 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




==Property reference==
==Property reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-prop-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''  
| width="90%" class="mtx-class-macrohead" | '''Properties'''  
|-
|-
|-
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Serial Properties
| width="90%" class="mtx-class-propfolder" | Serial Properties
|-
|-
|-
|-
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| colspan="2" |  
| colspan="2" |  
|-
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | DMX Properties
| width="90%" class="mtx-class-propfolder" | DMX Properties
|-
|-
|-
|-
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| colspan="2" | Start code value to listen out for, range 0-255 
| colspan="2" | Start code value to listen out for, range 0-255 
|-
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
| width="90%" class="mtx-class-propfolder" | Simulation
|-
|-
|-
|-

Latest revision as of 14:37, 13 July 2026

Author MatrixTSL
Version 2.0
Category Comms: System


DMX-512 Slave component

A serial based communications protocol designed for controlling theatrical equipment such as dimmers, fog machines and intelligent lights. DMX-512 Slave devices are daisy chained together with a final 180R terminating resistor at the end of the chail. DMX requires the signal to be level shifted from VCC and GND to +2.5V and -2.5V.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_DMX-512_Slave.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_DMX-512_Slave.fcfx

Detailed description

No detailed description exists yet for this component

Examples

DMX Slave Example, captures the first DMX data channel sent from the Master and outputs the value onto a Port using the LED array component. DMX Slave Example1


For DMX 512 Master example see DMX Master






Macro reference

GetDataChannel

GetDataChannel
Gets the data byte from a data channel 
- UINT Channel
 
- BYTE Return


Initialise

Initialise
Configures the UART serial interface. 
- VOID Return


ReceiveDataChain

ReceiveDataChain
Waits for a BREAK, MAB and StartCode followed by the contents of the data channels. Returns 0 to indicate a timeout and 1 to indicate succesful reception. 
- BYTE Timeout
0 = Don't wait, 1 - 254 = 1ms - 254ms, 255 = Wait forever 
- BYTE Return


Property reference

Properties
Serial Properties
Channel
UART Channel selector Software channels are bit banged using generic I/O pins but are not as reliable as hardware channels. Hardware channels use the selected peripheral on-board the target microcontroller. 
RX
Pin to be used for Receive data 
Baud Options
Baud rate option selector 
Baud Rate
 
DMX Properties
Data Channels
Number of data bytes to receive from the master, Max 512 bytes per transmission. 24 Bytes minimum from Master to match minimum 1204us timing requirements, not all channels need to be used. 
Start Channel
Channel from the master which we want to start taking our data channels 
Use Start Code
Do we wait for the start code or simply begin receiving data? 
Start Code
Start code value to listen out for, range 0-255 
Simulation
Scope Traces
Selects if the scope traces are automatically added to the data recorder window or not. Simulation - draws an approximation of the UART data onto the scope trace. ICT - sets up the scope trace for incoming data and adds UART packet decoding at the correct BAUD. 
Console Data
Selects if the console data is automatically generated or not 
Console Columns
Number of characters that can be displayed on a single line of the console. 
Data Source
Simulation data source used to allow the component to connect to various remote devices Nothing - Simulation data is ignored COM port - Routes the communication data to and from a physical or virtual COM port Injector - Routes the communication data via a data injector component on the Panel. 
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