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I'd like to do something quite simple ... in my mind.
I've got an "old" photo frame with an usb port and SD card slot (but without networking) that I would like to keep in sync with my NAS "Photo folder"
Since I'm looking forward to buy a PI, I'd like to know how I could achieve this ... in a cheap way ($ and computing power).
My main guess would be to connect both on USB.
Looking at other answers I found Serve up PC hard drive as USB mass storage and USB WiFi dongle device that can emulate a virtual mass storage device for a home video player and on the PI board itself Emulate USB mass storage device
So from what I found so far I have two options : an Host-to-Host USB cable or a Wifi-to-USB adapter (Both as expensive as the PI itself)
The problem is that both device are Windows only and neither seem to allow to select a specific folder to share.
Getting back to my goal, does any of you have an idea on how to to connect both on USB ?
Bonus question : is there a way to do this multiple times on the same "server" to connect different folders to differents clients (other frames/radios/...) ?
Thanks for the time spent reading my (long) question !
The new IO board shipped with Compute Module Development Kit seems to have USB slave connector... how can one get it working? – Kozuch – 2014-10-01T09:47:57.090
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I know this is old, but it's easy nowadays: https://www.raspberrypi.org/magpi/pi-zero-w-smart-usb-flash-drive/
– multithr3at3d – 2018-12-30T17:21:04.360@MizukiOshiro I will but, from what I found yet, this won't be possible due to the USB specification design. I posted this question just in case I missed something – Cerber – 2012-05-30T13:19:49.200
Some photo frames have a "second monitor" feature, that allows pushing JPEG encoded frames from the PC to the photo frame trough it's slave port. I use this feature to display RRDTool-generated graphs for my server monitoring. Example: https://www.youtube.com/watch?v=OINZfcV7EQ0
– None – 2014-03-05T13:04:49.447