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F103 CAN baud rate #44
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after 8603450 we have |
@blundar great news HW works with 250K version of FW |
I cannot explain it i just report my test results sorry |
don't you need some other devices on the bus? |
@thirstyone please consider using more words. We are trying to discuss pretty complex issues here and in my opinion short form is not effective. If you are looking to help please consider typing a bit more words to spell things out a bit more explicitly. @thirstyone stm32 uses TTL levels on RX and TX pins right? Are you saying that without a real transceiver and without loopback I would never see CAN peripheral TTLing anything readable? |
tie TX and RX together, with a 1k pullup to 3.3v, you don't need a CAN tranciever, but you may need a "bus" enough to fake it. |
@thirstyone thank you - with real bus I got 8MHz F103 to work! (alligator clips are wired to CANHacker with 120R) |
Steps to reproduce:
no real WBO hardware needed, blue pull and logic analyzer should be enough (?)
before 8603450 we had
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