[create::Serial] serial error - End of file

[franciscodominguezmateos]

Hello
I am trying to use your lib but there any problem with the serial connection.
I have inserted some printing on the source code in order to track the error and the problem seems to be in the startReading method.
I get this error message:
[create::Serial] serial error - End of file
I am working with Ubuntu 16.04.
I have tried pycreate2 and it works fine with a Roomba 605.
Thank you.
Paco

[dcarpy]

Hi Paco.
This worked for me on the Raspberry Pi 4:
Grab #38 and #45 and set baud in the create_autonomy/ca_driver/config/default.yaml file.
Dave

[franciscodominguezmateos]

Hello Dave
You meant #54. don't you? I was trying to make the changes but I don't have a serial.hpp but a serial.h I found two bind in serial.cpp and did changes but now this error:
Port:/dev/ttyUSB0 baud:115200
Puerto abierto
[create::Serial] serial error - Operation canceled
[create::Serial] failed to receive data from Create. Check if robot is powered!
Failed to connect to robot on port /dev/ttyUSB0
The Spanish words are a cout to check that the port is actually open.
Paco

[dcarpy]

Hi Paco.
You are right I forgot about #54--I did make that change in addition to #38 and #45.
I forgot to mention I switched from kinetic to melodic because Raspbian for Pi4 is based on Debian 10.
Dave

[franciscodominguezmateos]

Hello Dave
I am not working with ROS yet, I cloned libcreate repo and compiled with traditional cmake commands. I don't see the point on #38 and #45. I have Ubuntu 16.04.
Paco

[dcarpy]

It is the only way I could get it to work.
Try setting your baud first for the 605 and if that still doesn't work then make the other changes.

[dcarpy]

I finally checked in my changes if you want to take a look:
https://github.com/dcarpy/libcreate

[franciscodominguezmateos]

Hello Dave
The same problem with your code.
I tested it on a Jetson Nano with Ubuntu 18.04 and same problem.
I seem not to be a SO version problem.
Thank you again.
Paco

[franciscodominguezmateos]

Hello Dave
I have just got a Raspberry Pi 4.
I have installed Raspian and Boost 1.67 compile your and original lib and same error.
On the other hand, pycreate2 works fine.
Any idea?
Thank you again.
Paco

[dcarpy]

Hi Paco.
Is is possible your 605 is on 19200?
I did update the firmware on the Pi4--but I doubt it is related.
Hmm...I can send you my bash history if you think it would help?
Thanks.
Dave

[franciscodominguezmateos]

Hello David
As I told you with pycreate2 works by default then it is not in 19200. Don't you?
I don't see the point of viewing your bash history. By the way, where do you get it from?
Thank you.
Paco

[shuhaowu]

I can confirm this problem with the example code compiled on a raspberry pi (ubuntu 18.04). Works fine on my amd64 desktop (ubuntu 20.04). So I suspect something to do with the architecture?