Lumenier RB2205C-12 2400KV SKITZO Ceramic Bearing Motor
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Old Dec 11, 2011, 03:52 AM
gbvideo is offline
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Calle .... you think is a problem due to the quartz is located on the G-osd?? and how should it be?
I remind you that before upgrading my G-osd worked well and you could superimpose the data, the only drawback that I had the GPS data began to work after 30-35 min ... too much to wait for a flight. ... you think .... so I decided to update the firmware ....
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Old Dec 11, 2011, 03:55 AM
gbvideo is offline
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I think the problem is somewhere else .... we have the information but do not align with the scanning of the video signal
Old Dec 11, 2011, 05:17 AM
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i like more, how do it?
Old Dec 11, 2011, 05:43 AM
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Resolve?


DO YOU think that i can return to the original firmware on g-osd?
Old Dec 11, 2011, 05:50 AM
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result


hi i like more your code but i have put it in my g-osd and the end this is the result....can you help me to resolve this problem....or return to old firmware of original g-osd...
if you can help me show me step by step how i resolve....thanks
Old Dec 11, 2011, 06:02 AM
chatch15117 is offline
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lol we don't know and NO you cannot revert to original firmware
Old Dec 11, 2011, 06:42 AM
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Are you guys sure you flashed the correct firmware? There are three different .hex and .eep files. One for G-OSD, one for E-OSD and one for E-OSD with GPS. Are you positive, that you took the right one?
Old Dec 11, 2011, 08:15 AM
callelj is offline
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Also are you sure you haven't changed the fuses? I don't remember the command to print the fuses now. Maybee someone else do?
Edit: found it!
avrdude -c usbasp -p m88 -U hfuse:r:high.txt -U lfuse:r:low.txt
Upload the files here.

Also could you try this firmware?:
http://code.google.com/p/ardupirates...eOSD.zip?r=767
Old Dec 11, 2011, 12:19 PM
Elthi is offline
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Hi Callej,

When I entered the command line, I had:

C:\Prog\avrdude>avrdude -c usbasp -p m88p -U hfuse:r:high.txt -U lfuse:r:low.txt


avrdude: warning: cannot set sck period. please check for usbasp firmware update
.
avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.03s

avrdude: Device signature = 0x1e930f
avrdude: current erase-rewrite cycle count is -25413616 (if being tracked)
avrdude: reading hfuse memory:

Reading | ################################################## | 100% 0.01s

avrdude: writing output file "high.txt"
avrdude: output file high.txt auto detected as invalid format
avrdude: invalid output file format: -1
avrdude: write to file 'high.txt' failed

avrdude: safemode: Fuses OK

avrdude done. Thank you.
Old Dec 11, 2011, 12:57 PM
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i have used only code .eep and .hex for G-OSD, i have read that if i use the E-OSD code can broken chip....
I HAVE FOLLOW attempt the pdf....
Old Dec 11, 2011, 12:58 PM
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very sorry but what the FUSE?
Old Dec 11, 2011, 01:03 PM
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Fuse????


Perhaps you meant this for FUSE
Old Dec 11, 2011, 01:56 PM
callelj is offline
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Elthi: Try this:
avrdude -c usbasp -p m88pa -U hfuse:r:high.txt:h -U lfuse:r:low.txt:h

Quote:
Originally Posted by gbvideo View Post
Perhaps you meant this for FUSE
Yes, that will work as well. Did you press "Read all" before taking a picture?
Old Dec 11, 2011, 02:37 PM
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Quote:
Originally Posted by callelj View Post
Elthi: Try this:
avrdude -c usbasp -p m88pa -U hfuse:r:high.txt:h -U lfuse:r:low.txt:h
With m88pa it doesn't work but I tried m88p and now you can find the 2 files in attachment.

Thanks for your help.
Old Dec 11, 2011, 03:44 PM
callelj is offline
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Elthi: It looks as if your fuses are wrong.
But changing the fuses might brick your board.
On the other hand it's kind of bricked right now anyway...

Try this:
avrdude -p m88pa -c usbasp -U lfuse:w:0xF7:m -U hfuse:w:0xDC:m -U efuse:w:0xFF:m


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