Firmware for the Sinara 1550 Kirdy laser diode driver

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README.md

Testing Firmware for the Sinara 1550 Kirdy

This repo is for testing only. Not intended for production use.

Building

Reproducible build with Nix

kirdy firmware is packaged using the Nix Flakes system. Install Nix 2.4+ and enable flakes by adding experimental-features = nix-command flakes to nix.conf (e.g. ~/.config/nix/nix.conf).

Once you have Flakes enabled, you can use nix build to build the firmware.

Development environment

Clone this repository and with Nix Flakes enabled, use the following commands:

nix develop
cargo build

The resulting ELF file will be located under target/thumbv7em-none-eabihf/release/kirdy.

Alternatively, you can install the Rust toolchain without Nix using rustup; see the Rust manifest file pulled in flake.nix to determine which Rust version to use.

For building on FreeBSD or OpenBSD, see BSD.md.

Debugging

Connect SWDIO/SWCLK/RST/GND to a programmer such as ST-Link v2.1. Run OpenOCD:

openocd -f interface/stlink.cfg -f target/stm32f4x.cfg

You may need to power up the programmer before powering the device. Leave OpenOCD running. Run the GNU debugger:

gdb target/thumbv7em-none-eabihf/release/kirdy

(gdb) source openocd.gdb

Flashing

There are several options for flashing kirdy. DFU requires only a USB-C cable or RJ45 cable, whereas OpenOCD needs a JTAG/SWD adapter.

dfu-util on Linux

Install the DFU USB tool (dfu-util).
Convert firmware from ELF to BIN: arm-none-eabi-objcopy -O binary kirdy kirdy.bin (you can skip this step if using the BIN from Hydra)
Put STM32 into DFU Mode. You can either
- Connect to the USB Type C cable to kirdy next to the RJ45 Jack. After that, add BOOT0 jumper to kirdy near programming headers and then cycle board power to put it in DFU mode. OR
- Plug in RJ45 cable, which connect to a network that is accessible by your computer and send the corresponding dfu json command via TCP Socket to kirdy. Please see the python test script for the command.
Push firmware to flash: dfu-util -a 0 -s 0x08000000:leave -D kirdy.bin
If you plugged in the BOOT0 jumper, you will need to
1. Remove BOOT0 jumper
2. Cycle power to leave DFU update mode
If you plugged in the RJ45 cable, the MCU would start its application code automatically. No power cycle is needed.

st.com DfuSe tool on Windows

On a Windows machine install st.com DfuSe USB device firmware upgrade (DFU) software. link.

add jumper to kirdy across 2-pin jumper adjacent to JTAG connector
cycle board power to put it in DFU update mode
connect USB Type C to PC
use st.com software to upload firmware
remove jumper
cycle power to leave DFU update mode

OpenOCD

openocd -f interface/stlink.cfg -f target/stm32f4x.cfg -c "program target/thumbv7em-none-eabihf/debug/kirdy verify reset; exit"