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Juliano Pimentel

PMOD CAN with UltraZed

Question

Hi

I am trying to use 2 PMOD CAN transceivers with a Ultrazed-EG IOCC card. I have got the vivado library 2018.2, but the problem is that my card is not supported.

Is there a way of changing the vivado_library files so I can include my card and have the synthesis and bistream generated?

Best regards, 

julianop99

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3 answers to this question

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Hi @Juliano Pimentel,

We currently do not have the bandwidth to alter the board files and Vivado library IP's to work with FPGA's not currently being used with our products. For the Pmod CAN IP Core i believe we altered the AXI_QUAD_SPI IP Core. You could configure the AXI_QUAD_SPI Ip Core to communicate with the Pmod CAN. At this point it should not be to difficult to make your own drivers using the Pmod CAN IP Core as a reference. Here is a forum thread that should be helpful with the process of making the Pmod IP core work with your board. 

thank you,

Jon  

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Hi @jpeyron, thanks for the quick turnaround. I am quite new with this platform, so you mean to add an IP in Vivado, AXI Quad SPI, and change it to  communicate it with the PMOD CAN.

Any hint how to connect he AXI QUAD SPI external connection (SPI_0) to communicate with the transceiver, please?

Best regards,

julianop99

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Hi @Juliano Pimentel,

Sorry for any confusion from my earlier post. You have 2 options. First option is to add the AXI_QUAD_SPI IP Core and configure  it to communicate with the Pmod CAN. At this point it should not be to difficult to make your own drivers using the Pmod CAN IP Core as a reference.

Second option is to open a project with a board selected from an already supported family (zynq, Artix-7), then add the IP to a BD, then edit in IP packager. Then go to the Compatibility Packaging step, "add family, check the "all families and parts" box and then to "review and package", repackage the IP. 

You should then be able to change the target board and add the IPs you upgraded. Once you have added the upgraded IP core to the block design you will right click on the pmod out of the ip core you are trying to use and select make external. Then after you have created a wrapper you will need to constrain the pmod out pin using the xdc for your board. m and export the hardware including the bitstream. Then launch sdk. Once sdk is open make a new application with the empty template. Then move the main.c file from the examples folder of the Pmod CAN drivers IP core( vivado-library/ip/Pmods/PmodCAN_v1_0/drivers/PmodCAN_v1_0/examples/) to the scr folder of the application. Then program the fpga and run the application.

Here is a forum thread that should be helpful with the second option of making the Pmod IP core work with your board.  

cheers,

Jon

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