The Art of FPGA Design - Post 8/technologies/fpga-group/b/blog/posts/the-art-of-fpga-design---post-8The Universal DELAY Building Block This is the first post in this blog in which I will try to actually design something useful based on the ideas introduced so far. Also, instead of just short code snippets, the code examples in this post are co...en-USTelligent Community 12RE: The Art of FPGA Design - Post 8https://community.element14.com/technologies/fpga-group/b/blog/posts/the-art-of-fpga-design---post-8Thu, 05 Nov 2020 13:25:48 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:3d438328-e3c4-45da-a18b-49ff4c426740amkichu1<p>When I try to synthesize or simulate SDELY module, I receive the following error from Vivado.</p><p>[Synth 8-2190] illegal syntax for subtype indication ["K:/Projects/0_Personal/FPGA/Design/13_art/hdl/SDELAY.vhd":12]</p><p>=&gt; <span style="font-weight:inherit;font-style:inherit;">signal</span><span style="font-weight:inherit;font-style:inherit;"> D:SFIXED_VECTOR(</span><span style="font-weight:inherit;font-style:inherit;">0 </span><span style="font-weight:inherit;font-style:inherit;">to</span><span style="font-weight:inherit;font-style:inherit;"> SIZE)(I&#39;range):=(</span><span style="font-weight:inherit;font-style:inherit;">others</span><span style="font-weight:inherit;font-style:inherit;">=&gt;TO_SFIXED(</span><span style="font-weight:inherit;font-style:inherit;">0.0,I</span><span style="font-weight:inherit;font-style:inherit;">)); </span><span style="font-weight:inherit;font-style:inherit;">–- delay line signal is SIZE+1 in length </span></p><p>&nbsp;</p><p>What is this error and how can I fix it?</p><img src="https://community.element14.com/aggbug?PostID=5413&AppID=19&AppType=Weblog&ContentType=0" width="1" height="1">RE: The Art of FPGA Design - Post 8https://community.element14.com/technologies/fpga-group/b/blog/posts/the-art-of-fpga-design---post-8Tue, 28 Aug 2018 19:09:07 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:3d438328-e3c4-45da-a18b-49ff4c426740DAB0<p>Very nice example.</p><p>&nbsp;</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=5413&AppID=19&AppType=Weblog&ContentType=0" width="1" height="1">