Re: [Paparazzi-devel] USB converter problem...

[Pascal Brisset]

Hi,

on which port do you plug your cable ?
- If it is a standard serial port, it's probably /dev/ttyS0 (or S1)
- If you use a USB converter, it's probably /dev/ttyUSB0 (you can see 
it in /var/log/syslog while you plug the converter)

The port is written in the load command in the Makefile, line 124. 
Change it if needed.

You also need some permissions: You have to be part of the 'dialout' group.
The "groups" command will give you the list of groups you are member:

address@hidden % groups
pascal adm dialout cdrom floppy audio dip video plugdev scanner netdev 
lpadmin powerdev admin

If you are not member of dialout, add it using the graphical interface 
(Administration -> Users)
or simply with the command

   sudo adduser <your login> dialout

It will be effective only on your next login or after the command

   newgrp dialout

Hope it helps

--Pascal


Alexis Lussier Desbiens wrote:
> Hi,
>
> I am just done soldering all the part on a Classix paparazzi board. I
> powered it with 5V, connected P0.14 to ground and RX from the AP chip
> to TX of the computer and Tx from the AP chip to Rx from the computer
> (with the TTL-232R-3V3 cable). I reset the board and then I download
> the USB bootloader with "make upload_bl PROC=GENERIC" and I get this
> error:
>
> Can't open COM-Port /dev/ttyUSB0
>
> The only way I can get around is by plugging the USB cable just after
> I type the make command and then I get a few :
>
> ioctl get ok, status = 6
> ioctl get ok, status = 6
> ioctl get ok, status = 6
> ioctl get ok, status = 4
> ioctl get ok, status = 4
> ioctl get ok, status = 0
> ioctl get ok, status = 0
> Synchronizing.ioctl get ok, status = 0
>
> but it always end up with:
>
> ioctl get failed
>
> Any idea of what I am doing wrong? Should I program the FBW chip
> first? It seems that the problem is in the USB converter...
>
> Thanks for your help, I am anxious to try flying something with this board! :-)
>
>      Alexis
>
>
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