Jeremy Janella
62 lines
2.1 KiB
Markdown
62 lines
2.1 KiB
Markdown
# UTAT Firmware Development Environment
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My firmware development environment for the University of Toronto Aerospace Team
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https://docs.zephyrproject.org/latest/develop/getting_started/index.html
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```sh
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west init zephyrproject
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cd zepyhrproject
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west update
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west zephyr-export
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cd zepyhr
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west sdk install
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west build -p always -b nucleo_g431rb samples/basic/blinky
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west flash --runner pyocd # had to su root first to run this (after running nix develop)
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# MCUBoot
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cd ~/utat-dev/zephyrproject
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# Configure the DTS for partition sizes: https://docs.zephyrproject.org/latest/build/dts/intro-scope-purpose.html
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# https://docs.zephyrproject.org/latest/build/dts/api/bindings/mtd/fixed-partitions.html
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nvim "zephyr/boards/st/nucleo_g431rb/nucleo_g431rb.dts"
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# Create a private key: https://docs.mcuboot.com/readme-zephyr.html
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./scripts/imgtool.py keygen -k mykey.pem -t rsa-2048
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# Create its public key
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openssl rsa -in mykey.pem -pubout > pubkey.pem
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# Set up signing: https://docs.mcuboot.com/readme-zephyr.html
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# ./bootloader/mcuboot/samples/zephyr/Makefile
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python scripts/imgtool.py sign \
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--key mykey.pem \
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--header-size 0x200 \
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--align 8 \
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--version 1.2 \
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--slot-size 0x8000 \
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./
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# Add the key file path to the KConfig https://docs.zephyrproject.org/latest/build/kconfig/setting.html
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echo "
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# Set the key file
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CONFIG_BOOT_SIGNATURE_KEY_FILE=pubkey.pem" >> "./zephyr/boards/st/nucleo_g431rb/nucleo_g431rb_defconfig"
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west build -p always -b nucleo_g431rb bootloader/mcuboot/boot/zephyr -d build/mcuboot -- -DEXTRA_CONF_FILE=mcuboot-nucleo-g431rb.conf
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west flash -d build/mcuboot --runner pyocd # (as root, with nix develop)
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cd zephyr
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# Package 1
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west build -p always -b nucleo_g431rb samples/basic/blinky -d build/app -- -DCONFIG_BOOTLOADER_MCUBOOT=y -DCONFIG_MCUBOOT_GENERATE_UNSIGNED_IMAGE=y
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west flash -d build/app --runner pyocd # (as root, with nix develop)
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# Package 2
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west build -p always -b nucleo_g431rb samples/basic/blinkyslow -d build/blinkyslow -- -DCONFIG_BOOTLOADER_MCUBOOT=y -DCONFIG_MCUBOOT_GENERATE_UNSIGNED_IMAGE=y
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pyocd flash --target stm32g431rbtx --base-address 0x08014800 build/blinkyslow/zephyr/zephyr.signed.hex
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``` |