Re: [Paparazzi-devel] Problem on ubuntu 12.04

[Árni Þorvaldsson]

Hi guys

I am still trying to fix the serial communication on my tiny v/2.11

I still get the error

 Read Socket : Connection reset by peer
Run '/home/notandi/paparazzi/sw/ground_segment/tmtc/link  -d /dev/ttyUSB0 -s 
57600'
Failure("Error opening modem serial device : fd < 0 (/dev/ttyUSB0)")
Broadcasting on network 127.255.255.255, port 2010
 Read Socket : Connection reset by peer
 Read Socket : Connection reset by peer
 
dmesg says:

[50051.244116] usb 4-1: new full-speed USB device number 10 using uhci_hcd
[50081.536205] usb 4-1: USB disconnect, device number 10
[60657.432062] usb 4-1: new full-speed USB device number 11 using uhci_hcd
[60663.448275] usb 4-1: USB disconnect, device number 11
[63671.680234] usb 4-1: new full-speed USB device number 12 using uhci_hcd
[63673.424290] usb 4-1: USB disconnect, device number 12
[63702.772215] usb 4-1: new full-speed USB device number 13 using uhci_hcd
[63709.632278] usb 4-1: USB disconnect, device number 13
[63733.392186] usb 4-1: new full-speed USB device number 14 using uhci_hcd
[63733.598209] ftdi_sio 4-1:1.0: FTDI USB Serial Device converter detected
[63733.598281] usb 4-1: Detected FT232RL
[63733.598285] usb 4-1: Number of endpoints 2
[63733.598289] usb 4-1: Endpoint 1 MaxPacketSize 64
[63733.598294] usb 4-1: Endpoint 2 MaxPacketSize 64
[63733.598298] usb 4-1: Setting MaxPacketSize 64
[63733.600228] usb 4-1: FTDI USB Serial Device converter now attached to ttyUSB0

And the Datalink is:
/home/notandi/paparazzi/sw/ground_segment/tmtc/link  -d /dev/ttyUSB0 -s 57600

I already copied the 50-paparazzi rules like described on wiki but I am not 
quite sure what to do with it then.

If you could give some helps or tips how to troubleshoot it would be higly 
appreciated :)

regards Arni 

________________________________________
Frá: address@hidden address@hidden fyrir h&#246;nd Árni Þorvaldsson 
address@hidden
Sent: 26. júní 2012 12:35
To: address@hidden
Efni: Re: [Paparazzi-devel] Problem on ubuntu 12.04

Hi Gareth
Thanks for the reply.

here is the dmesg
[ 9460.624738] ftdi_sio 5-1:1.0: device disconnected
[ 9462.848206] usb 5-1: new full-speed USB device number 9 using uhci_hcd
[ 9468.560276] usb 5-1: USB disconnect, device number 9
[ 9481.120202] usb 5-1: new full-speed USB device number 10 using uhci_hcd
[ 9481.325344] ftdi_sio 5-1:1.0: FTDI USB Serial Device converter detected
[ 9481.325424] usb 5-1: Detected FT232RL
[ 9481.325430] usb 5-1: Number of endpoints 2
[ 9481.325437] usb 5-1: Endpoint 1 MaxPacketSize 64
[ 9481.325443] usb 5-1: Endpoint 2 MaxPacketSize 64
[ 9481.325449] usb 5-1: Setting MaxPacketSize 64
[ 9481.327362] usb 5-1: FTDI USB Serial Device converter now attached to ttyUSB0

it´s using ttyUSB0 so that shouldn´t be an issue.
any other ideas, think it could help to reinstall everything from scratch?

regards Arni
________________________________________
Frá: address@hidden address@hidden fyrir h&#246;nd Gareth Roberts address@hidden
Sent: 26. júní 2012 12:16
To: address@hidden
Efni: Re: [Paparazzi-devel] Problem on ubuntu 12.04

Hi Arni,

Can you post the output of running 'dmesg' in a terminal window just after
plugging in your usb to serial convertor?
It's possible your other laptop has an internal modem or something which
is assigned /dev/ttyUSB0, in which case your xbee would be /dev/ttyUSB1.
dmesg will show the device file that is assigned to your xbee.

The warnings mean exactly what they say :) - the direction of control
gains was recently changed to match aerospace convention.  If you aren't
using an old airframe file you made it shouldn't be an issue.  If you are,
double check all your control surfaces before flight.

Cheers,
Gareth

On Tue, 26 Jun 2012 11:23:53 +0100, Árni Þorvaldsson <address@hidden>
wrote:

> serial.
>>                 *Works for the table computer and the GCS loads up.
>>                 *doesn´t work for the laptop, get the error
>>                      Failure("Error opening modem serial device : fd < 0
>> (/dev/ttyUSB0)")



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