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Firmware and Windows Client are made from a modified version of the orginal one found here : arducam-osd

Update 30 January 2013, new version include :

• Possibility to choose what parameter to tune with CH6
  

To enable this feature and display selectable parameter screen (screen 1)  :

• motors must be disarmed
• CH7 switch is engaged
• Full throttle and full pitch

After you'll we see a check screen (screen 2) where you have to :

• Put throttle in low position
• Put pitch in middle position
• Put CH6 in middle position

Then you can select parameter (screen 3) to tune with CH6, those parameters are :

• STABILIZE_KP
• RATE_KP
• RATE_KI
• LOITER_KP
• LOITER_RATE_KP
• LOITER_RATE_KI
• NAV_KP
• NAV_KI

1. Move pitch stick to move between parameter list
2. Select with full throttle a parameter to be tune with CH6
3. Quit screen and start tuning the selected paramter with CH7 switchin off position

After tuning a paramter, go back to screen 3, and save new parameter value with yaw stick to the left.

Compiled firmware : 20130129_ArduCAM_OSD_.rssi.time.status.climb.current.tuning.mavlink1.0.hex

Firmware sources : Arducam_osd_src.zip

Update 16 August  2012, new version include :

• Mavlink 1.0 support
• Flying time (count when throttle is above 20%)

Compiled firmware : ArduCAM_OSD_.rssi.time.status.mavlink1.0.hex

Firmware sources : Arducam_osd_src.zip

Windows client sources : OSD_IDE.zip

Update 23 May 2012, new version include :

• RSSI Display
• T° display (maybe useless :) )
• Climb rate
• Armed / Disarmed status (with Flight Mode)
• Speed in km/h
• No more "Charset update"
• Battery remaining (not tested)

"Charset update" was removed hardcoded, so to upload a new charset, you'll have to use the orginal firmware to do it and after you can use this firmware.

This new version need a new charset (MinimOSD_20.mcm) and the new client

Firmware : ArduCAM_OSD.rssi.amp.status.hex

Client : OSD_Config_RSSI_Status_Amp.exe

Charset : MinimOSD_20.mcm