topic Re: frdm k64 can bus query in Kinetis Microcontrollers

frdm k64 can bus query

kaushikvarma — Thu, 10 Jan 2019 12:59:47 GMT

Hi ,

I have 2 frdm k64 development boards and I am trying to use CAN bus for making communication happen between the boards. For this I tried flexcan_loopback example in MCUXpressoIDE_10.2.1_795. In the readme part it I saw that PTB16 and PTB17 are to be connected. I couldnt find the pins PTB16 and PTB17 in the board. Can I know from where the output of those pins## taken. Thank You.

Re: frdm k64 can bus query

mjbcswitzerland — Thu, 10 Jan 2019 15:08:45 GMT

There are no FlexCAN signals on PTB16 and PTB17 on the K64. Perhaps you need to interpolate the documentation to match your device(?)

Regards

Mark

Re: frdm k64 can bus query

Robin_Shen — Fri, 11 Jan 2019 01:42:08 GMT

If you want to use CAN bus for making communication happen between the FRDM-K64F boards, CAN Transceiver is needed.

There is flexcan interrupt_transfer example in SDK_2.5.0 of twrk64f120m.
You can see this example need Two TWR-SER boards in readme file.(The CAN Transceiver is on TWR-SER board)

Best Regards,

Robin

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Re: frdm k64 can bus query

vimalprasath — Thu, 17 Jan 2019 13:29:24 GMT

is there any way i can connect one of the boards to PC via CAN-USB Convertor?

do we have any CANBUS based serial terminal so that transmit data and check data received from one Board?

Thanks,

Vimal

Re: frdm k64 can bus query

mjbcswitzerland — Thu, 17 Jan 2019 20:19:09 GMT

See https://www.youtube.com/watch?v=Ha8cv_XEvco
for Komodo CAN-USB

Regards

Mark

Re: frdm k64 can bus query

vimalprasath — Fri, 18 Jan 2019 07:35:35 GMT

Thanks Mark Butcher,

This will really help me a lot.

but i feel like Komodo CAN-BUS is too costly.is there any similar product in low cost??

Re: frdm k64 can bus query

mjbcswitzerland — Fri, 18 Jan 2019 15:30:57 GMT

There are many such analysers available if you do a search, although you will need to check out what features you need and what they offer. See for example:

https://www.8devices.com/products/usb2can

Regards

Mark