ovaris
Hi, I’m new to Nerves and as a first project I was planning to create project where Zero is used as “smart” USB drive. Host would be storing video files on the drive and I would have some sort of file watcher on Nerves and it would react (upload to some cloud storage) when new files appears on the drive etc. And maybe running Phoenix web server for browsing files by connecting to Zero wifi.
Any pointers that could get me started on right track?
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lucaong
You might want to look into
ConfigFS. Check out this article for a start on how to configure different USB gadgets, especially the “Mass Storage” section: Composite USB Gadgets on the Raspberry Pi Zero | iSticktoit.netThe article is written with Raspbian in mind, but you can do the same in Nerves. You can take inspiration from this proof-of-concept repo where I setup the RPi4 USB-C as a USB Keyboard gadget: GitHub - lucaong/nerves_rpi4_hid_gadget_poc: Proof of concept of enabling USB-C gadget mode on Raspberry Pi 4 with Nerves · GitHub
My repo is based on a RPi4, but it shows one possible approach to do what the article says on Nerves. In the case of the RPi Zero, the USB port is already configured in OTG mode, but you might to do something similar to this pull request to enable ConfigFS: Switch to ConfigFS for USB Gadgets by GregMefford · Pull Request #62 · nerves-project/nerves_system_rpi0 · GitHub
One thing: most Nerves systems do not include the Debian version of common command line utilities, and use BusyBox instead. For this reason, things like
echo -n ...orlndo not work exactly like in Raspbian. Pay attention to that when porting the scripts in the articleovaris
Thanks @lucaong, I’m too newbie with a) Nerves b) Linux systems to understand how to put all together
What would help me to get forward is some clear step-by-step guide howto pull this through.