<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Wow Carl. You have had a wealth of FPGA experience.<div><br></div><div>Yesterday, I had my first hands on experience with FPGA on the ICEstick following Shawn Hymel’s video and got 5 LEDs on.</div><div><br></div><div><a href="https://youtu.be/gtkQ84Euyww">https://youtu.be/gtkQ84Euyww</a></div><div><br></div><div><img src="cid:1C4D2E7D-95CB-4863-9BCA-5FA15B3DC1DE-L0-001"><br><div dir="ltr"><br></div><div id="AppleMailSignature" dir="ltr">I have this feeling that possibly 2 channel encoder plus PID plus LIDAR based localization can be implemented on the FPGA.</div><div id="AppleMailSignature" dir="ltr"><br></div><div id="AppleMailSignature" dir="ltr">I do not have the necessary FPGA experience to know whether I am in the right track.</div><div id="AppleMailSignature" dir="ltr"><br></div><div id="AppleMailSignature" dir="ltr">I used Verilog and open source Apio tool chain as that is what Shawn used in his YouTube video.</div><div id="AppleMailSignature" dir="ltr"><br></div><div id="AppleMailSignature" dir="ltr">Love to kick ideas around with you Carl. I have a lot to learn.</div><div id="AppleMailSignature" dir="ltr"><br></div><div id="AppleMailSignature" dir="ltr">Regards.</div><div id="AppleMailSignature" dir="ltr">- Kumar</div><div id="AppleMailSignature" dir="ltr"><br></div><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Nov 24, 2021, at 5:17 PM, Carl Ott <carl.ott.jr@gmail.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="ltr">Hi Kumar,<div><br></div><div>FWIW - </div><div><br></div><div>I considered myself quite good with FPGAs - </div><div><br></div><div>Circa 1990 ~ 1997.</div><div><br></div><div>I coded relatively large (at the time) Xilinx and Altera FPGAs (e.g. 256 pins per device and thousands of gates) - and was able to run them at nearly full utilization and max speed over mil-spec temperature ranges - yet maintain pin assignments regardless of design changes...</div><div><br></div><div>I managed to do that with a mix of functional simulation and static timing analysis tools. At the time, that was using (ASIC focused) Mentor Graphics tools on SUN workstations (with mostly functional FPGA add-on tools)...</div><div><br></div><div>And then I veered away from that path when I moved to Nokia and learned to "design in PowerPoint" (teams/organizations/products/marketingAndProductLaunchCampaigns)..</div><div><br></div><div>I'm sure certain bits of that FPGA knowledge remain quite relevant - but - it's probably a safe bet to guess that a few things might have changed a little since then...</div><div><br></div><div>FWIW - after starting briefly via schematic entry, I quickly migrated to VHDL and highly recommend VHDL or similar language if you're interested. In retrospect, I imagine that coding hardware in VHDL could leverage quite similar / analogous design patterns to coding software in an asynchronous / event driven environment like node.js. That's a hypothesis I'd like to validate at some point...<br></div><div><br></div><div>I haven't yet hit a DPRG level robot target where I've seriously considered an FPGA. But I'm very interested to kick ideas around if you're willing...</div><div><br></div><div>Best,</div><div>Carl</div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Nov 24, 2021 at 4:46 PM Thalanayar Muthukumar via DPRGlist <<a href="mailto:dprglist@lists.dprg.org">dprglist@lists.dprg.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Has anyone used FPGAs in their robots?<br>
I got myself an ICEstick to learn FPGAs and wanted to check if anyone in the group has experience with FPGAs.<br>
<br>
Regards.<br>
- Kumar<br>
<br>
Sent from my iPhone<br>
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