I have scoured the internet for at least a week before posting this.
I have an existing PLC with a TMS320VC33 and I am trying to add the function of reading/writing from/to a USB pen drive from it.
What I know:
I have a working knowledge of how USB is supposed to work.
I need to make this existing PLC a host.
What I don't know:
What chip do I need to connect to the DSP to get host functionality?
How I can get help with developing my own host controller stack or getting one that will work with my implementation?
What the best implementation of USB would be. USB-OTG, USB 2.0, 3.0, etc.?