I'm constantly expanding my understanding of all the options and systems within the APM 2.5 by re-reading the wiki and looking for things that have changed or things that I hadn't considered before.
One thing that has recently caught my eye was the section here in the ArduPlane wiki titled
'How to flash the Atmega32U2 (PPM encoder) through USB'
The downloads section title description states
The wiki page was most recently updated almost a year ago (Dec 29, 2011) and doesn't specify what versions it applies to.....I don't know why this text is coming out italicized....I don't have Italics on...anyway the wiki instructions specifically refer to APM 2.0 not 2.x and the images are all of an APM 2.0 board. I realize that this is just a representation of the board at the time but it doesn'tmake any reference to APM 2.5.The downloads section here states
APM 2.x ArduPPM Firmware v2.3.13 (recommended update for Futaba radio users)
ArduPPM v2.3.13 ATMega32U2 firmware for APM 2.x
So is the upgrade necessary for APM 2.5 or not, and is there a list of Futaba receivers known to
have n issue with the stock PPM encoder firmware? So perhaps if someone could clarify this itwould be great, also are the instructions in the wiki still applicable to an APM 2.5?