Re: [Paparazzi-devel] Flashing problems

[Prof. Dr.-Ing. Heinrich Warmers]

Hello,
please check the usb voltage on your PC.
Sometimes we have found voltages up to 8 V.
The lpc2148 is very sensitive for static voltages.
Often the connection interface pin is dead.
You can program it on a other pin.
We had to change up to  3 processors.
You can flash by the normal  serial way,
if the USB connection pins are dead.
Regards

Heinirch Warmers

Loris Rion schrieb:

> Hi,
>
> We are a group of student at Isae/Supaero in Toulouse. We use a TWOG 
> v1 paparazzi system.
>
> Everything was going well until this morning, we tried to flash the 
> board but it did not work. We tried two USB cables and checked 
> connections and it looks good. When we click on update on the GCS and 
> then we power on paparazzi, the dotted line stops for one or two 
> seconds and then go on to the right. Then it said "No USB device". We 
> tried with an old airframe and flight plan and we have the same problem.
>
> Our board is still working (we have the datalink, GPS ...)
>
> Thank you very much.
>
> Loris Rion
>
>
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