11 juillet 2009

The next goal is to fly an aerobatic glider (4 wing servos, 2.50m wing span) with the summer version of RCHv2.
Many changes and bug fixes have been done in the software. The USB-serial communication between PC and TX is very convenient, but can be a headache in some cases to debug. Hopefully, it now works pretty well, even with large model configuration.
The PC configuration now support names for Channel and smix/trans. Several parameters have been added to smix type "straight" such as offset, inhibit, switch, rate , etc... This smix "straight" is the most simple one, but already permit a lot of things, as the following mixes below.
The aerobatic glider (Jedi) is now ready to fly with those mixes (in addition to the aileron/elevator/rudder):

- flaps (with flaps to ailerons),
- snap flap (elevator to ailerons+flaps)
- butterfly with elevator compensation.

Flap and snap flap can be triggered by a switch. Only 2 switch are installed on the TX currently anyway.

To recap the possibilities of the RCHv2 radio, based on an Atmega 644:
- 8 analog channel
- 6 switches (or more)
- high number of "smix" or "trans" function can be configured. Right now the only limit is the SRAM more than the CPU,
- support various transmission types: PPM, O24RCPv1 (XBee), RCHv2,
- TX configuration through PC with a graphical user interface.

More on fly test soon.

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