UART not communicating with the laptop USB

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UART not communicating with the laptop USB

NIKHIL
Hi,

I have flashed the mav framework of the firmware on the humming bird. However, when I try to run the fcu.launch file from the asctec_hl_interface package it gives the following error:

[ INFO] [1469730312.462890291]: INFO: opened serial port /dev/ttyUSB0 with baudrate 57600
[ INFO] [1469730312.463013045]: configured serial port(s), checking connection ...
waiting for acknowledged packet timed out
rx timeout
waiting for acknowledged packet timed out
waiting for acknowledged packet timed out
rx timeout
waiting for acknowledged packet timed out
waiting for acknowledged packet timed out
[ERROR] [1469730314.966253576]: failed
[ERROR] [1469730314.966344337]: unable to connect
rx timeout
rx timeout
[fcu-2] process has died [pid 12486, exit code 255, cmd /home/nikhil/Controls/ROS_C++/ros_ws/devel/lib/asctec_hl_interface/hl_node __name:=fcu __log:=/home/nikhil/.ros/log/9eef4d7e-54f0-11e6-911b-74de2ba43af1/fcu-2.log].
log file: /home/nikhil/.ros/log/9eef4d7e-54f0-11e6-911b-74de2ba43af1/fcu-2*.log


Kindly, help solve the problem.

Regards,
Nikhil
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Re: UART not communicating with the laptop USB

Zdenek Boucek
Hi, maybe stupid question, but do you have the xbee connected to the HL processor UART? Originally, it is connected to the LL.

2016-07-29 3:59 GMT+02:00 NIKHIL [via asctec-users] <[hidden email]>:
Hi,

I have flashed the mav framework of the firmware on the humming bird. However, when I try to run the fcu.launch file from the asctec_hl_interface package it gives the following error:

[ INFO] [1469730312.<a href="tel:462890291" value="+420462890291" target="_blank">462890291]: INFO: opened serial port /dev/ttyUSB0 with baudrate 57600
[ INFO] [1469730312.<a href="tel:463013045" value="+420463013045" target="_blank">463013045]: configured serial port(s), checking connection ...
waiting for acknowledged packet timed out
rx timeout
waiting for acknowledged packet timed out
waiting for acknowledged packet timed out
rx timeout
waiting for acknowledged packet timed out
waiting for acknowledged packet timed out
[ERROR] [1469730314.<a href="tel:966253576" value="+420966253576" target="_blank">966253576]: failed
[ERROR] [1469730314.<a href="tel:966344337" value="+420966344337" target="_blank">966344337]: unable to connect
rx timeout
rx timeout
[fcu-2] process has died [pid 12486, exit code 255, cmd /home/nikhil/Controls/ROS_C++/ros_ws/devel/lib/asctec_hl_interface/hl_node __name:=fcu __log:=/home/nikhil/.ros/log/9eef4d7e-54f0-11e6-911b-74de2ba43af1/fcu-2.log].
log file: /home/nikhil/.ros/log/9eef4d7e-54f0-11e6-911b-74de2ba43af1/fcu-2*.log


Kindly, help solve the problem.

Regards,
Nikhil


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Re: UART not communicating with the laptop USB

NIKHIL
I am using a wired connection for now which is connected to the HL Serial 0 port (ports beside the JTAG).
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Re: UART not communicating with the laptop USB

NIKHIL
In reply to this post by NIKHIL
Finally, figured the error out. So, firstly we cannot use the Xbee for communication on a single channel, as it will give baud rate issues. Secondly, the cable for USB - UART(HL serial 0 ) communication is a 4 wired connection, while the one for Xbee communication is a 5 wired connection (additional power supply wire). I was using the 5 pin wire for the USB-UART (HL serial 0 ) communication.
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