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bors[bot] bde0b0a4be
Merge #352 
352: Refactoring lockin binaries r=ryan-summers a=ryan-summers

This PR merges `lockin-external` and `lockin-internal` into a single binary.

This has also refactored the output configuration to make it more configurable. This was needed to work well with the reference signal generation, as that output should necessarily just override a different setting.

Co-authored-by: Ryan Summers <ryan.summers@vertigo-designs.com>
Co-authored-by: Robert Jördens <rj@quartiq.de>
 		2021-05-06 14:57:26 +00:00
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README.md

QUARTIQ Matrix Chat Continuous Integration Stabilizer HITL [Nightly]

Stabilizer Firmware

Hardware

Hardware

Applications

The Stabilizer firmware offeres a library of hardware and software functionality exposing input/output, timing, and digital signal processing features. An application can compose and configure these hardware and software components to implement different use cases. Several applications are provides by default

Dual-IIR

Flow diagram

  • dual channel
  • SPI ADC
  • SPI DAC
  • up to 800 kHz rate, timed sampling
  • down to 2 µs latency
  • f32 IIR math
  • generic biquad (second order) IIR filter
  • anti-windup
  • derivative kick avoidance

Lockin

Minimal bootstrapping documentation

  • Clone or download this
  • Get rustup
  • rustup target add thumbv7em-none-eabihf
  • cargo build --release
  • When using debug (non --release) mode, increase the sample interval significantly. The added error checking code and missing optimizations may lead to the code missing deadlines and panicing.

Using Cargo-embed

  • Install cargo-embed: cargo install cargo-embed
  • Program the device: cargo embed --bin dual-iir --release

Using GDB/OpenOCD

  • Get a recent openocd, a JTAG adapter ("st-link" or some clone) and everything connected and permissions setup. Most Nucleo boards have a detachable ST-Link v2 and are cheap.[^swd]
  • Get a multiarch gdb (or a cross arm gdb and edit .cargo/config accordingly)
  • openocd -f stabilizer.cfg and leave it running
  • cargo run --release

Using USB-DFU

  • Install the DFU USB tool (dfu-util)
  • Connect to the Micro USB connector below the RJ45
  • Short JC2/BOOT
  • Get cargo-binutils
  • cargo objcopy --release --bin dual-iir -- -O binary dual-iir.bin or arm-none-eabi-objcopy -O binary target/thumbv7em-none-eabihf/release/dual-iir dual-iir.bin
  • dfu-util -a 0 -s 0x08000000:leave -D dual-iir.bin

Using ST-Link virtual mass storage

  • Get cargo-binutils
  • cargo objcopy --release --bin dual-iir -- -O binary dual-iir.bin or arm-none-eabi-objcopy -O binary target/thumbv7em-none-eabihf/release/dual-iir dual-iir.bin
  • Connect the ST-Link debugger
  • copy dual-iir.bin to the NODE_H743ZI USB disk

Protocol

Stabilizer can be configured via MQTT. Refer to miniconf for more information about topics. A basic command line interface is available in miniconf.py.