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Error in rosserial communication between Jetson Nano and STM32 Discovery board

asked 2022-01-01 04:29:42 -0500

omkar_a_k gravatar image

I am not sure if this is the right place to post this question, so let me know the relevance.

Device: Nvidia Jetson Nano and STM32 Discovery board F407VG Package: rosserial_stm32

Errors:
1. Lost sync with device, restarting..
2. Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserial_python with groovy Arduino

Issue:
I have been trying to setup rosserial between my jetson and stm32 board. I followed the steps given on the package's website and set USART2 on stm32 for communication and using J41 UART pins on my Jetson. I then run serial_node.py on /dev/ttyTHS1. But I am getting the two errors mentioned above. I have checked all my connections, I have verified that the baud rates match and I have also verified that I am calling nh.spinOnce().

Some Details (if it helps):
On running debugger on stm, I noticed that in nh.spinOnce() function, there is a call to hardware_.read() which returned -1 everytime causing the while loop in the spinOnce function to break at the start itself. This makes me wonder if the issue is from STM side or Jetson side.

Please let me know if the question is relevant for ROS Answers, and if not let me know where should I post it.

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answered 2022-01-01 04:57:09 -0500

duck-development gravatar image

updated 2022-01-01 04:59:37 -0500

If the error happens without the running jetzt, then it ist thin it is more the problem of your stm Code. If you Provider an Exemplar we can may help you

You may watch https://youtu.be/cq0HmKrIOt8 msy thid help

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Asked: 2022-01-01 04:29:42 -0500

Seen: 89 times

Last updated: Jan 01