mirror of
https://github.com/trezor/trezor-firmware.git
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53 lines
1.9 KiB
Markdown
53 lines
1.9 KiB
Markdown
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# Build instructions for Embedded (ARM port)
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First clone, initialize submodules and install Pipenv as defined [here](index.md).
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## Requirements
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You will need the GCC ARM toolchain for building and OpenOCD for flashing to a device.
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You will also need Python dependencies for signing.
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### Debian/Ubuntu
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```sh
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sudo apt-get install scons gcc-arm-none-eabi libnewlib-arm-none-eabi
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```
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### OS X
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1. Download [gcc-arm-none-eabi](https://developer.arm.com/open-source/gnu-toolchain/gnu-rm/downloads)
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2. Follow the [install instructions](https://launchpadlibrarian.net/287100883/readme.txt)
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3. To install OpenOCD, run `brew install open-ocd`
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4. Run `pipenv run make vendor build_boardloader build_bootloader build_firmware`
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## Building
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```sh
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pipenv run make vendor build_boardloader build_bootloader build_firmware
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```
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## Uploading
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Use `make upload` to upload the firmware to a production device. Do not forget to [enter bootloader](https://wiki.trezor.io/User_manual-Updating_the_Trezor_device_firmware__TT) on the device beforehand.
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## Flashing
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For flashing firmware to blank device (without bootloader) use `make flash`,
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or `make flash STLINK_VER=v2-1` if using a ST-LINK/V2.1 interface.
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You need to have OpenOCD installed.
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## Building in debug mode
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You can also build firmware in debug mode to see log output or run tests. To avoid building firmware in debug mode accidentally, we do not provide a _make_ target. You need to rewrite `PYOPT` variable to `0` in `SConscript.firmware` file and then build the same way. The change is intentionally not _gitignored_.
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```sh
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sed -i "s/^PYOPT = '1'$/PYOPT = '0'/" SConscript.firmware
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pipenv run make build_firmware
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```
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You can then use `screen` to enter the device's console. Do not forget to add your user to the `dialout` group or use `sudo`. Note that both the group and the tty name can differ, use `ls -l` to find out proper names on your machine.
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```sh
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screen /dev/ttyACM0
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```
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