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stabilizer: add building and flashing instructions

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mwojcik 2024-04-17 15:04:50 +08:00
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* [QUARTIQ Manual](https://quartiq.de/stabilizer/)
* [Firmware](https://github.com/quartiq/stabilizer)
EEM is used for power only, and it can be alternatively powered by 12V barrel jack or PoE.
## JSON
No JSON modifications required.
Not present in the JSON.
## Building
Pick your poison - firmware version: older with Pounder support or newer with USB serial console - the first works with a hardcoded MQTT broker and (static or dynamic) IP address, the latter is configured like the booster - through a serial console.
There is no Nix Flake support to make things easier, so you need to set up rust and cargo manually. Start with cloning the stabilizer repository and opening a new shell with dfu-util (for flashing) and rustup (for building).
```
nix-shell -p dfu-util rustup
```
Set up the toolchain, this should be done only once:
```
rustup target add thumbv7em-none-eabihf
cargo install cargo-binutils
rustup component add llvm-tools-preview
rustup update
rustup default stable
```
Building the older version:
```
BROKER="MQTT BROKER IP" cargo build --release
BROKER="MQTT BROKER IP" cargo objcopy --release --bin dual-iir -- -O binary dual-iir.bin
```
Building the newer version:
```
cargo build --release
cargo objcopy --release --bin dual-iir -- -O binary dual-iir.bin
```
The newer version must be configured with USB console later (try ``help`` command first).
## Flashing
Once you have the binary (either built, or received from someone), you can now flash it.
Without firmware on the device or with older firmware, you need to use the jumper method:
1. Have the Stabilizer disconnected from power.
2. Use a jumper of some sort to short BOOT pins on the board.
3. Turn on the power.
4. You can remove the jumper after few seconds.
With newer firmware with USB serial console:
1. Connect the Stabilizer to power.
2. Connect USB cable to the Stabilizer.
3. Connect with a serial console emulator, usually at ``/dev/ttyACM0``.
4. Input ``platform dfu`` in the console.
And for both:
5. The device is now in DFU mode.
6. Flash the device with the following command:
```
dfu-util -a 0 -s 0x08000000:leave -R -D dual-iir.bin
```
7. Look for "File downloaded successfully".
## Testing