How to write DD-WRT C app?

Question

I want to write a small proxy as a user-level program for the DD-WRT environment.

The proxy will read/write between a USB HID device (Arduino) attached to the DD-WRT box and a specific web server. The USB device will use an AT-style code. The web server uses HTTP.

I'm new to the DD-WRT environment.

Pointers to useful sample apps, GIT repos, blog posts, etc would be appreciated. Anything about getting started writing a DD-WRT app.

Googling has not been successful.

Answer 1

More Googling and reading has led me to:

• Apparently, OpenWRT packages can be loaded onto DD-WRT systems. "Note that you can install any OpenWRT package, using ipkg." -- from a DD-WRT page
• An intro to writing an OpenWRT package.