GUI

Source code: https://github.com/fpgawars/icestudio

Menu

File

• New project: create a new project.
• Open project: show a file dialog to open a project (.ice).
• Examples: contains all stored examples depending on the selected board. A example is loaded as a project.
• Templates: contains all stored templates. A template is loaded as a project.
• Save: save the current project (.ice).
• Save as: show a save file dialog to save the current project (.ice).
• Import block: load a block file (.iceb) into the current project.
• Export as block: show a save file dialog to export the current project as a block file (.iceb).
• Export: show a save file dialog to export
  • Verilog: the current verilog code file (.v).
  • PCF: the current pcf file (.pcf).
  • Testbench: an auto-generated testbench (.v).
  • GTKWave: a GTKWave file with all signals showed (.gtkw).

Note

When a project is exported as a block, all FPGA I/O information is removed.

Hint

Examples and templates are stored in app/resources/examples and app/resources/templates respectively. To create a new examples/templates category just create a directory there. To create a new example/template copy and paste an .ice file.

Edit

• Reset view: reset pan and zoom to its default values.
• Clear all: remove all blocks and wires from the graph.
• Clone selected: clone the selected block. It can also be done with Ctrl + c key.
• Remove selected: remove the selected block. It can also be done with Ctrl + x and Supr keys.
• Preferences:
  • Image path: set the project’s relative image path. This image will be shown in the exported block. For example, a valid value can be: ‘resources/images/and.svg’.
  • Remote hostname: set the hostame of a remote device with a FPGA board connected. The format is user@host. For example, pi@192.168.0.22. Verify, Build and Upload functions will be executed in this host, that must have apio pre-configured.
  • Language: select the application language: English, Spanish, Galician, Basque and French. This selection is stored in the app profile.

View

• PCF: show the selected board PCF file in a new window.
• Pinout: show the selected board SVG pinout in a new window.
• Datasheet: open a web browser with the information of the selected board.

Boards

It contains the supported boards: IceZUM Alhambra, Go board, iCEstick, iCE40-HX8K, icoBOARD 1.0, Kéfir I. When a board is selected all I/O block combos are updated and its current values removed.

Hint

This information is stored in the app/resources/boards directory. To support a new board just create a new directory with the info.json, pinout.pcf and pinout.svg (optional) files with its information. Also, a generator.py script has been created to generate the pinout.json file from the pinout.pcf.

Tools

• Verify: check the generated verilog source code.
• Build: generate the bitstream from the graphic source.
• Upload: generate and upload the bitstream to the FPGA board.
• Toolchain:
  • Install/Update: install a python virtualenv in .icestudio/venv, apio and its packages in .icestudio/apio. It requires Python 2.7.
  • Remove: remove the .icestudio directory.
  • Reset default: restore the default toolchain distributed with Icestudio.
  • Apio version: show the current apio version.
• Drivers:
  • Enable: launch the FTDI drivers configuration. Each OS has a different process.
  • Disable: revert the FTDI drivers configuration. Each OS has a different process.

Hint

Generated files are stored in the _build directory.

Help

• View license: open the Icestudio’s license in a web browser.
• Version: show the current version.
• Documentation: open the Icestudio’s documentation in a web browser.
• Source code: open the Icestudio’s source code in a web browser.
• Community forum: open the FPGAwars forum in a web browser.
• About Icestudio: information about the application.

Blocks menu

Basic

It contains the basic blocks:

• Code: code block. Ports are asked in a prompt dialog.
• Info: info block. Text box for comments and notes.
• Input: input block. Block name is asked in a prompt dialog.
• Output: output block. Block name is asked in a prompt dialog.

Note

Multiple input and output blocks can be created using the comma separator. For example: x, y, z will create 3 blocks with those names. FPGA I/O ports values are set in the block combo box. These values can be set by searching and also unset by doing click on the cross. Double click over input and output blocks allows to modify the block label. In code block ports definition, multiple input and output ports can be created also using the comma separator.

Stored blocks

It contains all stored blocks sorted by categories. These menu is generated when the application starts.

Hint

Blocks are stored in app/resources/blocks. To create a new block category just create a directory there. To create a new block copy and paste an .iceb file.

Graph

This is the main panel. It contains the blocks and the wires.

Pan & Zoom

Pan is performed using the mouse left button over the background. Zoom is performed using mouse wheel. Both values can be reset in View > Reset view.

Select

Block selection is performed using the mouse right button. Blocks can be selected/unselected individually using right-click/Ctrl+right-click, respectively. In addition, several blocks can be selected by a selection box. Selection is cancelled when the background is clicked.

Blocks examination

Non-basic blocks can be read only examined by double clicking the block using the mouse left button. This is a recursive action. In order to go back, click on < back link.

During the examination, pan, zoom and code navigation are enabled.

Note

The examination path is stored in the breadcrumbs. This allows you to go back to any previous block.

Take snapshot

Taking a png snapshot of the application is as easy as press Ctrl+p. A save dialog appears to set the name and the path of the captured image.