By dave | May 1, 2021

From tcMenu 2.1 onwards the designer download also has a CLI available. This CLI can be used to completely round trip menus for those with a UI dislike, or even for small changes for the rest of us. We’ve optimized the flow so that it works really well with Visual Studio code (VS-code), but most editors would work fairly well. In the youtube video above, the later half of it demos how to use the CLI.

The below guide is broken down into the workflows that are supported, we’d recommend that the first time around you add the TcMenuDesigner app directory to set your path, so you can access the tcmenu command, and add the JSON schema that’s in the directory to VS-code at the same time as it makes EMF file editing easier.


Initial setup and overview

At any time you can type one of the sub-commands with no options to get help for example tcmenu create-item, you can also type tcmenu --help and get a list of sub-commands. Any option in square brackets can be omitted.

To access the CLI on Windows, add the following to your local path (assuming default location):

"C:\Program Files (x86)\TcMenuDesigner\app"

To access the CLI on Linux/macOS, add the following to your start up profile script:

# macOS - default location
alias tcmenu=/Applications/tcMenuDesigner.app/Contents/MacOS/tcMenuDesigner
# Linux - default location
alias tcmenu=/opt/tcmenudesigner/bin/tcMenuDesigner

To start a UI from the command line

tcmenu

Run the command with no parameters to start the UI with a new project.

tcmenu gui [--emf-file file.emf] 

Run the command with the gui parameter to start the UI with the first emf in the directory loaded, or the provided emf file.

Get the application version

tcmenu version

Prints the version information and release quality to the console.

Create a new project from the CLI

tcmenu create-project --platform ARDUINO_AVR [--cpp] [--directory a/directory] projectName

Creates a project in either the entered directory, or the default directory otherwise, in a folder called projectName, with an EMF file and main code file of the same name. You can then change directory into this folder to run the other commands.

Create a template menu item in the EMF file

tcmenu create-item --type analog --parent id --eeprom AUTO --name "Item Name" [--callback onCallback] [--variable OverrideVarName] [--readonly] [--localonly] [--hide] [--emf-file file.emf]

Create the shell of a new menu item that will be in the right place in the file relative to the provided parent for easy editing. It will be of the type specified (listed below). Eeprom can be provided as either NONE, AUTO or a numeric value. You can optionally set up the callback, override the menu item variable name, and change the attributes. If no emf-file is provided, the first in the project is used.

Delete a menu item from the EMF file

tcmenu delete-item --id id [--recurse] [--emf-file file.emf]

Remove the menu item from the EMF file by its ID. If the item is a submenu, you must provide the recurse option. Be careful! If no emf-file is provided, the first EMF in the project is used.

Verify if there is any overlap in EEPROM storage

tcmenu verify [--verbose] [--emf-file file.emf]

Verifies if there is any overlap between menu items EEPROM storage location. If no emf-file is provided, the first EMF in the project is used.

Generate the code from the command line

tcmenu generate [--verbose] [--emf-file file.emf]

Runs full code generation including the evaluation of any plugins that are included in the project. If no emf-file is provided on the command line, the first EMF in the project is used. This is the equivalent of running code generator from within the UI.

EMF file format

An EMF file is nothing more than a JSON file, there is a schema JSON packaged with the designer, check the directory that you installed it to. You can install this schema into VS code and many other editors.

The absolute core of the document is shown below. The version should always be 1.00, but other than this the other fields can be edited, be careful changing the applicationUUID though as it can have unintended consequences when using with IoT. The codeOptions may also contain plugin definitions if you use plugins, it’s best to use the UI to change these at the moment, or work with plugin code manually yourself.

{
    "version": "1.00",
    "projectName": "C:\\Users\\dave\\temp\\projTest\\davesProject1\\davesProject1.emf",
    "author": "dave",
    "items": [],
    "codeOptions": {
        "embeddedPlatform": "ARDUINO",
        "applicationUUID": "6fe22458-29cd-4b5d-b4bb-ddc6acd1f971",
        "applicationName": "davesProject1",
        "lastProperties": [],
        "namingRecursive": false,
        "saveToSrc": false,
        "useCppMain": false
    }
}

Each item will appear within the items block, and is structured as follows:

{
  "parentId": 0,
  "type": "subMenu",
  "item": {
    "secured": false,
    "name": "Accelerometer",
    "id": 4,
    "eepromAddress": -1,
    "functionName": "",
    "readOnly": false,
    "localOnly": false,
    "visible": true
  }
}

The above example shows a subMenu item, that has a parent of ROOT (root always has an id of 0). It’s best to add new items using the create-item command, as it will put them in the right place and expose all the fields you need. Likewise, to delete items it’s best to use the delete-item command.

There is a template create item request for each item type, along with a discussion of the fields in the menu item types documentation. Just scroll to the bottom of that document, and a page for each type is linked.

Other pages within this category

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