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| # Building in Ubuntu | ||
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| Building for Ubuntu platform is remarkably easy. The only trick to understand is that the Ubuntu toolchain, | ||
| which they are downstreaming from Debian, is not compatible with Betaflight. We suggest that you take an | ||
| alternative PPA from Terry Guo, found here: | ||
| https://launchpad.net/~terry.guo/+archive/ubuntu/gcc-arm-embedded | ||
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| This PPA has several compiler versions and platforms available. For many hardware platforms (notably Naze) | ||
| the 4.9.3 compiler will work fine. For some, older compiler 4.8 (notably Sparky) is more appropriate. We | ||
| suggest you build with 4.9.3 first, and try to see if you can connect to the CLI or run the Configurator. | ||
| If you cannot, please see the section below for further hints on what you might do. | ||
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| Adjust the ARM_SDK_DIR variable in make/tools.mk file with the correct "gcc-arm-none-eabi-xxx" version. | ||
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| ## Setup GNU ARM Toolchain | ||
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| Note specifically the last paragraph of Terry's PPA documentation -- Ubuntu carries its own package for | ||
| `gcc-arm-none-eabi`, so you'll have to remove it, and then pin the one from the PPA. | ||
| For your release, you should first remove any older pacakges (from Debian or Ubuntu directly), introduce | ||
| Terry's PPA, and update: | ||
| ```bash | ||
| sudo apt-get remove binutils-arm-none-eabi gcc-arm-none-eabi | ||
| sudo add-apt-repository ppa:team-gcc-arm-embedded/ppa | ||
| sudo apt-get update | ||
| ``` | ||
| Building for Ubuntu platform is remarkably easy. | ||
| This document is tested and based on the latest Ubuntu 20.04 LTS release. | ||
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| For Ubuntu 14.10 (current release, called Utopic Unicorn), you should pin: | ||
| ```bash | ||
| sudo apt-get install gcc-arm-none-eabi=4.9.3.2014q4-0utopic12 | ||
| ``` | ||
| ### Clone betaflight repository and install toolchain | ||
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| For Ubuntu 14.04 (an LTS as of Q1'2015, called Trusty Tahr), you should pin: | ||
| ```bash | ||
| sudo apt-get install gcc-arm-none-eabi=4.9.3.2014q4-0trusty12 | ||
| ``` | ||
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| For Ubuntu 12.04 (previous LTS, called Precise Penguin), you should pin: | ||
| ```bash | ||
| sudo apt-get install gcc-arm-none-eabi=4.9.3.2014q4-0precise12 | ||
| sudo apt update | ||
| sudo apt upgrade | ||
| sudo apt install build-essential | ||
| git clone https://github.com/betaflight/betaflight.git | ||
| cd betaflight | ||
| make arm_sdk_install | ||
| ``` | ||
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| ## Building on Ubuntu | ||
| ### Updating and Rebuilding Firmware | ||
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| After the ARM toolchain from Terry is installed, you should be able to build from source. | ||
| ```bash | ||
| cd src | ||
| git clone git@github.com:betaflight/betaflight.git | ||
| cd betaflight | ||
| make TARGET=NAZE | ||
| ``` | ||
| Navigate to your local betaflight repository and use the following steps to pull the latest changes and rebuild your version of betaflight: | ||
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| You'll see a set of files being compiled, and finally linked, yielding both an ELF and then a HEX: | ||
| ``` | ||
| ... | ||
| arm-none-eabi-size ./obj/main/betaflight_NAZE.elf | ||
| text data bss dec hex filename | ||
| 97164 320 11080 108564 1a814 ./obj/main/betaflight_NAZE.elf | ||
| arm-none-eabi-objcopy -O ihex --set-start 0x8000000 obj/main/betaflight_NAZE.elf obj/betaflight_NAZE.hex | ||
| $ ls -la obj/betaflight_NAZE.hex | ||
| -rw-rw-r-- 1 pim pim 274258 Jan 12 21:45 obj/betaflight_NAZE.hex | ||
| git reset --hard | ||
| git pull | ||
| make clean TARGET=MATEKF722 | ||
| make TARGET=MATEKF722 [OPTIONS=RANGEFINDER] [DEBUG=DBG] | ||
| ``` | ||
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| You can use the Betaflight-Configurator to flash the `obj/betaflight_NAZE.hex` file. | ||
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| ## Bricked/Bad build? | ||
| Using the optional OPTIONS parameters you can specify options like RANGEFINDER. | ||
| Using the optional DEBUG parameter you can specify the debugger. | ||
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| Users have reported that the 4.9.3 compiler for ARM produces bad builds, for example on the Sparky hardware platform. | ||
| It is very likely that using an older compiler would be fine -- Terry happens to have also a 4.8 2014q2 build in his | ||
| PPA - to install this, you can fetch the `.deb` directly: | ||
| http://ppa.launchpad.net/terry.guo/gcc-arm-embedded/ubuntu/pool/main/g/gcc-arm-none-eabi/ | ||
| You'll see a set of files being compiled, and finally linked, yielding both an ELF and then a HEX. | ||
| You can use the Betaflight-Configurator to flash the `obj/betaflight_MATEKF722.hex` file. | ||
| Make sure to remove `obj/` and `make clean`, before building again. | ||
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| and use `dpkg` to install: | ||
| ```bash | ||
| sudo dpkg -i gcc-arm-none-eabi_4-8-2014q2-0saucy9_amd64.deb | ||
| ``` | ||
| ### Building Betaflight Configurator | ||
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| Make sure to remove `obj/` and `make clean`, before building again. | ||
| See [Betaflight Configurator Development](https://github.com/betaflight/betaflight-configurator#development) for how to build the Betaflight Configurator. | ||
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| ## Updating and rebuilding | ||
| ### Flashing a target with Betaflight Configurator on Ubuntu 20.04 | ||
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| Navigate to the local betaflight repository and use the following steps to pull the latest changes and rebuild your version of betaflight: | ||
| In most Linux distributions the user won't have access to serial interfaces by default. Flashing a target requires configuration of usb for dfu mode. To add this access right type the following command in a terminal: | ||
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| ```bash | ||
| cd src/betaflight | ||
| git reset --hard | ||
| git pull | ||
| make clean TARGET=NAZE | ||
| make | ||
| ``` | ||
| sudo usermod -a -G dialout $USER | ||
| sudo usermod -a -G plugdev $USER | ||
| sudo apt-get remove modemmanager | ||
| lsusb | ||
| (echo '# DFU (Internal bootloader for STM32 MCUs)' | ||
| echo 'ACTION=="add", SUBSYSTEM=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="df11", MODE="0664", GROUP="plugdev"') | sudo tee /etc/udev/rules.d/45-stdfu-permissions.rules > /dev/null | ||
| ``` | ||
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| Please log out and log in to active the settings. You should now be able to flash your target using Betaflight Configurator. | ||
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| Credit goes to K.C. Budd, AKfreak for testing, and pulsar for doing the long legwork that yielded the original content of this document. | ||
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| Credit goes to K.C. Budd, AKfreak for testing, and pulsar for doing the long legwork that yielded this very short document. |