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Re: [Paparazzi-devel] Getting my TWOG working

From: Todd Sandercock
Subject: Re: [Paparazzi-devel] Getting my TWOG working
Date: Sat, 8 May 2010 00:23:46 -0700 (PDT)

What power source are you using??? I have had issues using 2 cell lipo's. I know it's meant to work at that voltage but simply putting 3 cell on the board fixes everything.


From: Nathan Aherne <address@hidden>
To: paparazzi-devel <address@hidden>
Sent: Sat, 8 May, 2010 4:43:51 PM
Subject: [Paparazzi-devel] Getting my TWOG working

I fixed up my last issue doing the fixes you gave, a big THANKYOU.

I am able to load firmware on my TWOG and have done many different uploads successfully including the Flash lights testing firmware. I initially used the Funjeteth1 but changed to the Microjet5 because it has less extras in the code to confuse me. I changed the GPS setup so I can use the LEA-5H and the rest looks correct to my untrained eye.

I have tested the voltage at the GPS and other sensors to make sure they are all getting power.

When I try to connect to the TWOG via the USB to serial cable (FTDI utility board), I get a completely blank GCS and there are no errors. It seems there is no data connection between the TWOG and computer, but this is just a stab in the dark by me. I am pretty sure the baud rates are correct because I changed them and the Autopilot crashed (no lights or solid red light). I followed the compiling guide on the Paparazzi wiki exactly from start to finish two times, but I still got no output from my TWOG. When I select tools messages the window is blank on both computers.

One thing I am unsure about, if I plug the modem into the FTDI board, a red light comes on at the back of it, but doesn't come on if I plug directly into the TWOG board (no modem on FTDI utility).

I never get the green GPS fix light coming on, I am unsure how to test the thermopiles.

I have tried this on two different computers with two different Paparazzi versions, just in case it was an update issue, nothing changed.

I bought my hardware from as a pack.

Would anyone have an idea of where I am going wrong. I seem to be so close to getting this working, but there is no GPS fix and the GCS and TWOG wont talk.

Kindest regards,

Nathan Aherne
Reddog Technology
Email: address@hidden
Mob: 0402 555 080

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