DCC++
- DCC is an Open Source Arduino-based Do-it-Yourself DCC Command Station. Note: DCC is a separate project from JMRI. If you have questions about building a DCC system, operating it, etc, you should get help via the DCC TrainBoard thread and the the DCC Documentation TrainBoard thread.
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- DCC Glossary, 22 The text in this section has been adapted from the following sources: “Digital Command Control - the comprehensive guide to DCC”, by Stan Ames, Rutger Friberg, Ed Loizeaux. Initialism of Distributed Checksum Clearinghouse. Link is a dashcorecomponents component.
- Hardware Support: Connecting to a Digitrax DCS52. JMRI may be connected to the Digitrax DCS52 in any of a wide variety of ways. Since the DCS52 has a built-in USB interface, it is possible to simply plug a USB cable into the computer and the DCS52, and configure JMRI to suit this connection.
Supported Hardware
Download my free, preconfigured image to your computer, unzip the image (.img) file and write it to a microSD card. Connect your supported DCC hardware, then simply turn on main power, and the RPi will start up and load JMRI, scanning for your layout hardware connection. It will also start up a dedicated wireless network on the RPi.
- WiFi Throttles
Applications
Tools
- Common Tools:
- Blocks:
- Routing and Control:
- Other:
Layout Automation
JMRI Help:
Contents/ Index
Glossary/ FAQ
Overview
DCC++ is an Open Source Arduino-based Do-it-Yourself DCC Command Station.
Note: DCC++ is a separate project from JMRI. If you have questions about building a DCC++ system, operating it, etc, you should get help via the DCC++ TrainBoard thread and the the DCC++ Documentation TrainBoard thread. There's also information on the DCC++ GitHub repository and associated documentation. There was also an older DCC++ Website and the DCC++ Trainboard discussion. The JMRI discussion groups can only provide limited support for DCC++ itself.
Features include:
- Fully compliant with NMRA DCC standards
- 2-byte and 4-byte locomotive addressing
- Simultaneous control of multiple locomotives
- 128-step speed control
- Control all cab functions F0-F28
- Activate/de-activate all accessory function addresses 0-2048
- Programming on the Programming Track
- Write configuration variable bytes
- Set/clear specific configuration variable bits
- Read configuration variable bytes
- Programming on the Main Operations Track
- Write configuration variable bytes
- Set/clear specific configuration variable bits
- Control DCC turnouts and sensors
- Directly access and control Arduino IO pins for accessory functions and sensors
Supported Hardware
Command Stations
Currently DCC++ Base Stations can be built from either the Arduino Uno or Arduino Mega platforms. JMRI should support either platform via USB or Network connection.
Computer Interfaces
Currently, four interfaces are supported:- Serial/USB: Direct connection to Arduino via a USB cable
- Simulator: Simulated Base Station for off-line operation and testing.
- Network: TCP/IP connection from JMRI to a Base Station with an Ethernet or WiFi Shield.
- DCC++ Over TCP: Remote network connection to a local JMRI instance connected to a Base Station
Simulator
To use the Simulator, simply choose that option in the JMRI Preferences. Note that some features do not work in the Simulator. For example, the Simulator does not (yet) support assigning, storing, and remembering Sensor and Turnout assignments. The Simulator interface is functional enough to keep JMRI 'happy' while working on offline projects such as Operations or Panel and Logix design, but is not intended to be a full-fledged Base Station Emulator.
DCC++ Over TCP
For the DCC++ Over TCP, a host computer must be connected to the Base Station over a Serial or Network connection (or a simulator). This host computer then runs the DCC++ Over TCP Server. A remote computer (or several remote computers) can then use the DCC++ Over TCP (Server) interface to remotely access and control the Base Station.
Limitations
JMRI currently supports the V1.1 Base Station Interface. Some V1.0 commands may not work.
Connecting
Configuring an Arduino for use as a DCC++ Base Station
Sprog Dcc Port Devices Driver Download 64-bit
In order to use an Arduino as a Base Station, you must first assemble the device and download the Base Station firmware to it. Please follow the instructional videos linked below under Other Info.
Connecting to a DCC++ Base Station via USB
- To connect your computer to a DCC++ Base Station, first install the appropriate drivers.
- For the DCC++ Base Station with JMRI, you may need to install a device driver on your computer. Please refer to the Arduino Getting Started pages for instructions.
- Windows (See Step 4)
- Mac: No drivers should be required
Note: If you have already installed the Arduino IDE software, the device drivers should already be installed.
When the device drivers are installed, connect the Arduino Base Station to your computer using a standard USB cable.
- For the DCC++ Base Station with JMRI, you may need to install a device driver on your computer. Please refer to the Arduino Getting Started pages for instructions.
- Once the drivers are installed, you are ready to configure JMRI. Start one of the JMRI-based programs, Then go to the preferences panel. This opens automatically the first time a program is run, or you can select it from the 'Edit' menu.
- Select 'DCC++' from the top selection box ('System Manufacturer').
- Select 'DCC++ Serial Port' from the second selection box ('System Connection')
- Select the appropriate USB/Serial port from the third selection box ('Serial Port')
- Click 'Save'. You'll be asked if it's OK for the program to quit, click 'Yes'.
- Restart the program. You should be up and running.
Connecting to a DCC++ System using Network
- First, connect the DCC++ Base Station to wired or WiFi network and record the IP Address and Port number. You may need to connect the Arduino to a host computer temporarily and use the Arduino Serial Monitor to get this information.
- Now you are ready to configure JMRI. Start one of the JMRI-based programs, then go to the Preferences panel. This opens automatically the first time a JMRI program is run, or you can select it from the 'Edit' menu (from the Application menu on OS X).
- Select 'DCC++' from the top selection box ('System Manufacturer').
- Select 'DCC++ Ethernet' from the second selection box ('System Connection').
- Input the IP Address and Port Number of the DCC++ Base Station.
- Click 'Save'. You'll be asked if it's OK for the program to quit, click 'Yes'.
- Restart the program. You should be up and running.
Connecting to a DCC++ System using DCC++ Over TCP
Sprog Dcc Port Devices Driver Download Windows 7
- First, connect the DCC++ Base Station to the host computer via the Serial or Network interface as described above.
- On the host computer select 'Load DCC++ Over TCP Server' from the DCC++ Menu. Check the settings, then press the 'Start Server' button. If you want the server to automatically start when JMRI is launched, click the checkbox provided.
- The Host computer must be running with the DCC++ Server active before launching the Client computer.
- On the client computer, launch JMRI on the Client computer.
- In the Connection Preferences, select DCC++ as the System Manufacturer.
- Select 'DCC++ Server' as the System Connection Type.
- Enter the network name or IP address of the host computer and verify that the port number is the same as on the host computer.
- Save your Preferences and restart.
Once both the Host and Client instances of JMRI are configured, you can use the Client JMRI just the same as if it were directly connected to the Base Station. The client JMRI instance can be on the same computer, in the same house, or across the country from the host.
Connecting to the DCC++ Simulator
- Start one of the JMRI-based programs, Then go to the preferences panel. This opens automatically the first time a program is run, or you can select it from the 'Edit' menu.
- Select 'DCC++ Simulator' from the top selection box. There are no additional configuration steps required to use the DCC++ Simulator.
- Click 'Save'. You'll be asked if it's OK for the program to quit, click 'Yes'.
- Restart the program. You should be up and running.
JMRI DCC++ Tools
The DCC++ menu contains 5 tools:
- DCC++ Traffic Monitor
- Send DCC++ Command
- Track Current Meter
- Configure Sensors and Turnouts
- Load DCC++ over TCP Server
Documentation
JMRI Help
Additional documentation will be provided on other pages linked here:
Sprog Dcc Port Devices Driver Downloads
Third Party info
For more information on how to construct and program a DCC++ Base Station, refer to the following:- DCC++ GitHub Repository
- Sparkfun - one of many places to acquire hardware