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Train Modeling Digital Control (DCC)

admin    All projects, Electric Train     AVR, Control, DCC, Devices, Digital, Train Modeling

History

    This is a common project with my father, building a train modeling. One more time it could be simple, but I had decided to challenge myself once again.  The train modeling had changed with years, now you can have more than one engines on the same track and each one could have a different speed, direction "watch out".  It's done by sending data on the track by reversing the voltage on the track with an exact timing protocol. 

Like you can imagine it's not the output of your MCU who drive directly the track, you need a driver that will at lease give you 3 amps.  Those controllers already existed but it's costly and they don't do what I was looking for. You can find more info on the protocol and how it's work just by typing "+DCC+train" in Google, that's what I have done.

Features

• Control 4 engines simultaneously
• Control 30 switches
• Short track detection and power cutoff
• Side track programming engine registers
• Train head beam control
• Firmware upgradeable

Pictures

Download

Schematic DCC MCU Control in PDF format
Schematic DCC Driver in PDF format
Source Code
DCC protocol standard 1/2 in PDF format
DCC protocol standard 2/2 in PDF format

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4 Comments to “Train Modeling Digital Control (DCC)”

• 

  Zsolt November 18, 2010 at 11:32 am

  Hi,
  Could you upload the latest source code, becouse I can't compile it.
  Thx.
  Zs.
• 

  Sylvain Bissonnette November 18, 2010 at 1:46 pm

  With time the compiler had change, and I never modify this old code to work with the new compiler,

  Sylvain
• 

  Zsolt November 20, 2010 at 12:23 pm

  Hi,
  The "void Sound(unsigned char i);" implementation is missing from the Lcd.c source file. Without this I had to comment the sound from TrainControl, but I could to compile.
  Thanks,
  Zsolt
   
• 

  Sylvain Bissonnette November 22, 2010 at 2:23 pm

  I m not shure but I think this function is with the keypad function?