Search found 3 matches

by Bartimaeus
Sun Jan 14, 2018 12:07 am
Forum: Hardware
Topic: About the CAN controller.
Replies: 174
Views: 132735

Re: About the CAN controller.

Thank you for the help, I looked at the R and D pins on the CAN transceiver and noticed that even though the D line (transmit) was changing the R line was not. It turns out that the Rs pin (mode select pin) on the CAN transceiver was connected to pin 27 (IO16) on the ESP-Wroom-32 module. Adding two ...
by Bartimaeus
Mon Jan 08, 2018 2:29 am
Forum: Hardware
Topic: About the CAN controller.
Replies: 174
Views: 132735

Re: About the CAN controller.

Did some more troubleshooting today, it looks like writes to MODULE_CAN->OCR have no effect (always 0). This would explain what I'm seeing, but I don't know why it's happening.
by Bartimaeus
Fri Jan 05, 2018 8:28 pm
Forum: Hardware
Topic: About the CAN controller.
Replies: 174
Views: 132735

Re: About the CAN controller.

Are there configuration changes that need to be done based on different ESP32 modules for the CAN bus? I'm not able to get any CAN bus functionality to work using the Arduino example from here: http://www.iotsharing.com/2017/09/how-to-use-arduino-esp32-can-interface.html I have this module board whi...

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