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kirdy-firmware/README.md

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# 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](https://nixos.org) 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:
```shell
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.
2024-02-12 18:33:06 +08:00
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:
```shell
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:
```shell
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](https://st.com) DfuSe USB device firmware upgrade (DFU) software. [link](https://www.st.com/en/development-tools/stsw-stm32080.html).
- 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
```shell
openocd -f interface/stlink.cfg -f target/stm32f4x.cfg -c "program target/thumbv7em-none-eabihf/debug/kirdy verify reset; exit"
```