PlantCtrl/website/content/Software/1737993506015-Firmware-Upload/index.md

title	date	draft	description	tags
Firmware Upload	2025-01-27	false	a description	firmeware upload

Prebuild

1. Download image from
2. todo something espflash tool here

From source

Preconditions

• rustup with current version
• espup with current version
• npm /npx
• Connect the board via usb to the computer
• Ensure the esp is running (eg not in deepsleep if prior version was installed)

Compiling and uploading

1. Clone the gitea
2. go to the rust/src_webroot
3. npm -i
4. cd ..
5. cargo run

Depending on the setup of the cargo runner, either a OTA image is build or the firmware is directly flashed to the esp.

Note: If the bootloader is currently booting from ota_2, flashing ota_1 via usb will not make it switch. You might need to manually erase it in this case prior.