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PI M.1
PI M.1
Visitor II
March 18, 2020
Question

To know about CAN communication between two STM boards.

  • March 18, 2020
  • 2 replies
  • 994 views

Hello, I'm trying to communicate between two STM boards through CAN. I'm using STM32F103ZET6(as Transmitter) and STM32F103C8(as Receiver). I'm not getting the output,

can I get the code? or tell me the method to debug my code in STM32IDE.

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2 replies

pvo317
pvo317
Associate
March 19, 2020

Мне удало�?ь �?в�?зать 2 stm32f103 на �?коро�?ти 100000 без тран�?ивера. (MBED)​.

I managed to connect 2 stm32f103 at a speed of 100000 without a transceiver. (MBED).

Tesla DeLorean
Tesla DeLorean
Guru
March 19, 2020

Perhaps start with the wiring?

See Tiny CAN method described by Keil for a simple MCU to MCU connection using diodes rather than a transceiver. CAN expects to see feedback of CAN_TX on CAN_RX to know if it successfully driving the bus or conflicting with another controller.

http://www.keil.com/appnotes/files/apnt_236_v2.9.pdf

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