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8devices Community - View topic - usb2can unstable on raspi
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View unanswered posts | View active topics It is currently 27 Apr 2024, 20:01



Reply to topic  [ 6 posts ] 
 usb2can unstable on raspi 
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Joined: 18 Mar 2018, 13:52
Posts: 3


18 Mar 2018, 13:56
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Joined: 07 Dec 2011, 16:01
Posts: 525
Location: Lithuania
Hi,
how you decided that you have unstable connection ?
usb2can LED is still green after data error ?
Did you attach only 2wire CAN bus data or GND wire too ?

Try to connect Wireshark and PC for the first time:
https://punktwissen.blog/tag/can-bus/


18 Mar 2018, 15:03
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Joined: 18 Mar 2018, 13:52
Posts: 3


21 Mar 2018, 07:35
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Joined: 18 Mar 2018, 13:52
Posts: 3


27 Mar 2018, 07:22
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Joined: 07 Dec 2011, 16:01
Posts: 525
Location: Lithuania
hmmm... if greed led is blinking maybe something wrong with can bus speed...
Or converter is broken.Write 8devices message for exchanging to new device.


27 Mar 2018, 08:51
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Joined: 07 Dec 2011, 16:01
Posts: 525
Location: Lithuania
CAN bus signals connected right ? CAN_H to can bus high and CAN_L to can bus low ?


27 Mar 2018, 09:10
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