432ff41d6a
* [FL-2844] desktop: removing slideshow file when leaving slideshow view; vscode: fix for BM port fetcher; fap api: more symbols for LL * desktop: actually removing slideshow file * desktop: moved slideshow removal to scene code; fbt: better blackmagic device handling * fbt: disabled pagination for gdb * vscode: restored blackmagic command line * fbt: fixed debug_other target; added debug_other_blackmagic * furi: added furi_thread_suspend API group; fixed null-pointer deref for thread name; cleaned up RTOS config * furi: changed thread state check to eTaskGetState
104 lines
6.7 KiB
Markdown
104 lines
6.7 KiB
Markdown
# Flipper Build Tool
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FBT is the entry point for firmware-related commands and utilities.
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It is invoked by `./fbt` in the firmware project root directory. Internally, it is a wrapper around [scons](https://scons.org/) build system.
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## Requirements
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Please install Python packages required by assets build scripts: `pip3 install -r scripts/requirements.txt`
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## NB
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* `fbt` constructs all referenced environments & their targets' dependency trees on startup. So, to keep startup time as low as possible, we're hiding construction of certain targets behind command-line options.
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* `fbt` always performs `git submodule update --init` on start, unless you set `FBT_NO_SYNC=1` in environment:
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* On Windows, that's `set "FBT_NO_SYNC=1"` in the shell you're running `fbt` from
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* On \*nix, it's `$ FBT_NO_SYNC=1 ./fbt ...`
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* `fbt` builds updater & firmware in separate subdirectories in `build`, with their names depending on optimization settings (`COMPACT` & `DEBUG` options). However, for ease of integration with IDEs, latest built variant's directory is always linked as `built/latest`. Additionally, `compile_commands.json` is generated in that folder, which is used for code completion support in IDE.
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## Invoking FBT
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To build with FBT, call it specifying configuration options & targets to build. For example,
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`./fbt COMPACT=1 DEBUG=0 VERBOSE=1 updater_package copro_dist`
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To run cleanup (think of `make clean`) for specified targets, add `-c` option.
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## VSCode integration
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`fbt` includes basic development environment configuration for VSCode. To deploy it, run `./fbt vscode_dist`. That will copy initial environment configuration to `.vscode` folder. After that, you can use that configuration by starting VSCode and choosing firmware root folder in "File > Open Folder" menu.
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* On first start, you'll be prompted to install recommended plug-ins. Please install them for best development experience. _You can find a list of them in `.vscode/extensions.json`._
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* Basic build tasks are invoked in Ctrl+Shift+B menu.
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* Debugging requires a supported probe. That includes:
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* Wi-Fi devboard with stock firmware (blackmagic),
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* ST-Link and compatible devices,
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* J-Link for flashing and debugging (in VSCode only). _Note that J-Link tools are not included with our toolchain and you have to [download](https://www.segger.com/downloads/jlink/) them yourself and put on your system's PATH._
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* Without a supported probe, you can install firmware on Flipper using USB installation method.
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## FBT targets
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**`fbt`** keeps track of internal dependencies, so you only need to build the highest-level target you need, and **`fbt`** will make sure everything they depend on is up-to-date.
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### High-level (what you most likely need)
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- `fw_dist` - build & publish firmware to `dist` folder. This is a default target, when no other are specified
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- `plugin_dist` - build external plugins & publish to `dist` folder
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- `updater_package`, `updater_minpackage` - build self-update package. Minimal version only inclues firmware's DFU file; full version also includes radio stack & resources for SD card
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- `copro_dist` - bundle Core2 FUS+stack binaries for qFlipper
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- `flash` - flash attached device with OpenOCD over ST-Link
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- `flash_usb`, `flash_usb_full` - build, upload and install update package to device over USB. See details on `updater_package`, `updater_minpackage`
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- `debug` - build and flash firmware, then attach with gdb with firmware's .elf loaded
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- `debug_other`, `debug_other_blackmagic` - attach gdb without loading any .elf. Allows to manually add external elf files with `add-symbol-file` in gdb
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- `updater_debug` - attach gdb with updater's .elf loaded
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- `blackmagic` - debug firmware with Blackmagic probe (WiFi dev board)
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- `openocd` - just start OpenOCD
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- `get_blackmagic` - output blackmagic address in gdb remote format. Useful for IDE integration
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- `lint`, `format` - run clang-format on C source code to check and reformat it according to `.clang-format` specs
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- `lint_py`, `format_py` - run [black](https://black.readthedocs.io/en/stable/index.html) on Python source code, build system files & application manifests
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### Firmware targets
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- `firmware_extapps` - build all plug-ins as separate .elf files
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- `firmware_snake_game`, etc - build single plug-in as .elf by its name
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- Check out `--extra-ext-apps` for force adding extra apps to external build
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- `firmware_snake_game_list`, etc - generate source + assembler listing for app's .elf
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- `flash`, `firmware_flash` - flash current version to attached device with OpenOCD over ST-Link
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- `jflash` - flash current version to attached device with JFlash using J-Link probe. JFlash executable must be on your $PATH
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- `flash_blackmagic` - flash current version to attached device with Blackmagic probe
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- `firmware_all`, `updater_all` - build basic set of binaries
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- `firmware_list`, `updater_list` - generate source + assembler listing
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- `firmware_cdb`, `updater_cdb` - generate `compilation_database.json` file for external tools and IDEs. It can be created without actually building the firmware.
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### Assets
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- `resources` - build resources and their Manifest
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- `dolphin_ext` - process dolphin animations for SD card
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- `icons` - generate .c+.h for icons from png assets
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- `proto` - generate .pb.c+.pb.h for .proto sources
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- `proto_ver` - generate .h with protobuf version
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- `dolphin_internal`, `dolphin_blocking` - generate .c+.h for corresponding dolphin assets
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## Command-line parameters
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- `--options optionfile.py` (default value `fbt_options.py`) - load file with multiple configuration values
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- `--with-updater` - enables updater-related targets and dependency tracking. Enabling this option introduces extra startup time costs, so use it when bundling update packages. _Explicily enabling this should no longer be required, **`fbt`** now has specific handling for updater-related targets_
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- `--extra-int-apps=app1,app2,appN` - forces listed apps to be built as internal with `firmware` target
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- `--extra-ext-apps=app1,app2,appN` - forces listed apps to be built as external with `firmware_extapps` target
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## Configuration
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Default configuration variables are set in the configuration file `fbt_options.py`.
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Values set on command-line have higher precedence over configuration file.
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You can find out available options with `./fbt -h`.
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### Firmware application set
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You can create customized firmware builds by modifying the application list to be included in the build. Application presets are configured with the `FIRMWARE_APPS` option, which is a map(configuration_name:str -> application_list:tuple(str)). To specify application set to use in a build, set `FIRMWARE_APP_SET` to its name.
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For example, to build a firmware image with unit tests, run `./fbt FIRMWARE_APP_SET=unit_tests`.
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Check out `fbt_options.py` for details.
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