I recently received my brand new Arducopter quad D direct from udrones as listed here. I got the OSD/FPV option. My FPV seems to be working fine, but the minimOSD doesn't appear to be getting APM updates. It does initialize and connect to the apm, but it never updates its data values.
I did read on one of the wikis here that since I don't currently have a telem radio connected and the OSD tx isn't connected to the APM telem RX, I need to tell the APM to auto send updates. I think I did that - here's my config params for SR3:
I'm starting to wonder if this is wired correctly?
I know it's hard to see here, but the pinouts look like this:
apm telem pin1 -> osd +5
apm telem pin2 -> osd rx
apm telem pin5 -> osd gnd
I can't find anything that tells me what the apm2.5 telemetry pinouts are, so that's why I just wrote pinX, where 1 is the leftmost pin when looking at apm2.5 with the writing right side up (that is, output pins are at the top). This is how it came wired from udrones, so I was assuming it's correct, but I'm not sure what else it could be.
My OSD thinks it's running 2.0:
and it does seem to get it's initial connection with apm working, but then it never gets updates:
I can't try updating the minimOSD firmware as I don't have the ftdi->usb connector. I just ordered one from 3dr, but I don't know how long that will take to get here (incidentally, Chris - why don't you guys ship that cable with the OSD package from udrones? Or at least suggest it as an add on when somebody buys the minimOSD - we're going to need it at some point for firmware updates). It doesn't really seem to me like that would be the problem though, as it is getting a connection to APM.
If I knew which pin on the apm2.5 telemetry port was the rx I could try wiring that up to the OSD tx and see if that works - does anybody know which pin that would be?
Thanks for reading. Any suggestions appreciated!