Would somebody please direct me to some resources for creating and installing a home-brewed version of Linux onto an unsupported device with USB capabilities, like an insulin pump?
Basically, I need to create a Linux OS for my insulin pump, the Tandem t:slim. (tandemdiabetes.com), because I am working on a DIY Artificial Pancreas (automated insulin delivery based on Continuous Glucose Monitor readings--such as from this device, the Dexcom--dexcom.com). The insulin pump has a bluetooth chip that will work only with a firmware upgrade. I do know the chip used in the pump, which will be useful.
We have already got the continuous glucose readings into the cloud via mobile phones, using USB OTG (on-the-go) cables, for continuous monitoring (http://nightscout.github.io/). This can all be viewed using an Internet connection or a Pebble watch.
Obviously it is a lot of work, but it's for my health. I have a very complicated medical situation (not directly due to diabetes--I have two rare autoimmune diseases) that complicates my diabetes control. This is one of the reasons I am doing this, and I am not waiting for a release of a product that is sub-par. I am certain I can do a better job than the device manufacturers. I know that this will void the warranty of my insulin pump, but I am OK with that.
I hope this question is coherent and that you understand my situation. I am also a senior electrical engineering student, which is a good attribute to have, as I have relevant skills.