Interfacing an Ultrasonic Rangefinder

Hi,

I'm having trouble interfacing an ultrasonic rangefinder pmod to the Zedboard.
My approach was to connect the ultrasonic rangefinder to the pmod inteface 'JA' and write the following code in the constraint file:
set_property PACKAGE_PIN C5 [get_ports {pwm_in}]
set_property IOSTANDARD LVCMOS33 [get_ports{pwml_in}]

When I synthesize the design, I'm getting an error that no 'object' has been defined for set_property.

I'm using Xilinx Vivado and trying to get the pwm signal from the pmod.

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0 Former Member over 9 years ago

That would depend on how you want to interface to the signal on the JA PMOD interface. If you want to use a GPIO interface you can either add an AXI GPIO IP block or connect to one of the PS GPIO via EMIO interface.

Based on your questions I would suggest that you spend some time learning more about how the Zynq device and the Vivado tools work. The Avnet Zynq SW and HW Speedway workshops are a good place to start:

http://zedboard.org/support/trainings-and-videos

Or you could take a look at Adam Taylor's MicroZed Chronicles:

http://zedboard.org/content/microzed-chronicles

If you are a student the Xilinx University program material is also a place to start:

http://www.xilinx.com/support/university.html

-Gary
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0 Former Member over 9 years ago

That would depend on how you want to interface to the signal on the JA PMOD interface. If you want to use a GPIO interface you can either add an AXI GPIO IP block or connect to one of the PS GPIO via EMIO interface.

Based on your questions I would suggest that you spend some time learning more about how the Zynq device and the Vivado tools work. The Avnet Zynq SW and HW Speedway workshops are a good place to start:

http://zedboard.org/support/trainings-and-videos

Or you could take a look at Adam Taylor's MicroZed Chronicles:

http://zedboard.org/content/microzed-chronicles

If you are a student the Xilinx University program material is also a place to start:

http://www.xilinx.com/support/university.html

-Gary
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