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Found 1 result

  1. Hi all: I'm new to both Vivado and the Basys3 board. I've been working thru the initial tutorials to get myself familiar with the software and the board. The very 1st tutorial, Getting Started with Vivado, went fine. Everything worked as advertised. The problem I've run into is with the 2nd tutorial, Basys 3 Programming Guide Tutorial (https://reference.digilentinc.com/learn/programmable-logic/tutorials/basys-3-programming-guide/start). I have the latest version of Vivado (2018.3) and the tutorial was built with 2015.1. The tutorial even has a zip file to download both the sw_led.v file and a Basys3_sw_Demo.xdc constraint file. After downloading the files, building the project, then running the synthesis I get 26 critical warnings that cause the Implementation and Generate BitStream to fail. 22 of the critical warnings are "V17 is not a valid site or package pin name" (and each of the following 21 warnings change the "V17" to the next pin name in the constraint file. (I've checked the schematic and the Pin Names ARE VALID) The next critical warning is "Setting property "IOSTANDARD' is not allowed for GT Terminals and this error is flagging only a single line in the constraint file yet ALL of the switches in the constraint file all do a "set_property IOSTANDARD LVCM0S33......... The final 2 critical warnings are "Cannot set LOC property of ports. Site location is not valid. This error is flagging two of the LED settings in the contraint file yet, once again, all 16 of the LED's are using the same commands within the constraint file. I'm at a brick wall trying to figure out what the heck the problem is here. As I said...the 1st Tutorial went fine. This tutorial even included the constraint file needed for the project. I've attached a zip file containing the entire Vivado project. Any help/advice would be greatly appreciated. THANKS! project_2.zip