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| promach | ZipCPU: what do you mean by "n8" ? | 02:37 |
|---|---|---|
| awygle | promach: it's an abbreviation of "night" or "good night" | 02:38 |
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| ZipCPU | promach: Do you want to see how I handled that portion of the test within my own UART receiver? | 12:06 |
| ZipCPU | It's a work in progress, but maybe this will give you an idea: https://github.com/ZipCPU/wbuart32/blob/dev/rtl/rxuartlite.v#L531-L562 | 12:13 |
| tpb | Title: wbuart32/rxuartlite.v at dev · ZipCPU/wbuart32 · GitHub (at github.com) | 12:13 |
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| promach__ | ZipCPU: are you there ? | 12:45 |
| ZipCPU | Yo | 12:45 |
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| ZipCPU | I'm here promach__ | 12:48 |
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| promach__ | ZipCPU: what is wrong with "no driver" issue for my generate loop ? | 13:06 |
| promach__ | https://gist.github.com/promach/454cba2c790db7925e176eee61bb1fe5#file-test_uart-v-L138-L169 | 13:08 |
| tpb | Title: test_UART.v · GitHub (at gist.github.com) | 13:08 |
| promach__ | Warning: Wire test_UART.\Tx_shift_g_index is used but has no driver. | 13:09 |
| promach__ | ZipCPU | 13:09 |
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| promach__ | Warning: Identifier `\Tx_shift_g_index' is implicitly declared at ../rtl/test_UART.v:149. | 13:15 |
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| daveshah | promach__: I think you meant to type Tx_shift_**re**g_index | 13:27 |
| ZipCPU | promach__: Surely you can see that the identifier is named in error, and can see what it should've been? | 13:27 |
| promach__ | it is a genvar and it is driven by the for loop | 13:28 |
| ZipCPU | Did you see my note where I posted the code I have to accomplish the same check? | 13:29 |
| promach__ | your note ?? | 13:30 |
| ZipCPU | "promach: Do you want to see how I handled that portion of the test within my own UART receiver?" | 13:30 |
| ZipCPU | "It's a work in progress, but maybe this will give you an idea: https://github.com/ZipCPU/wbuart32/blob/dev/rtl/rxuartlite.v#L531-L562" | 13:30 |
| tpb | Title: wbuart32/rxuartlite.v at dev · ZipCPU/wbuart32 · GitHub (at github.com) | 13:30 |
| promach__ | ZipCPU: that is a lot of magic number | 13:35 |
| ZipCPU | Yeah, well ... it works if the clocks are identical, that should count for something. | 13:36 |
| ZipCPU | promach__: Let me know if you need an explanation of any of those "magic numbers" | 13:45 |
| promach__ | daveshah: do you have any idea why I am having that "no driver" issue ? | 14:22 |
| promach__ | ZipCPU: let me focus on solving that "no driver" issue | 14:22 |
| ZipCPU | promach__: The "no driver" issue is simple. | 14:23 |
| ZipCPU | It basically means you have an item in your design for which nothing is setting its value. | 14:23 |
| ZipCPU | It's a common enough error. As I understand, the reason why you have this issue is because you have a typo in the code you are working with. | 14:24 |
| ZipCPU | To find or fix this error, search on the identifier it says has no driver. | 14:24 |
| ZipCPU | Then notice that the identifier has nothing assigning a value to it, and you'll see the problem. | 14:25 |
| promach__ | ZipCPU: that is not a typo issue | 14:25 |
| ZipCPU | Even better, place a `default_nettype none at the top of your file. This will help you avoid typo's as well, by not assuming a variable when there shouldn't be one. | 14:25 |
| ZipCPU | promach__: Post your code, then. These things are really easy to find. | 14:26 |
| promach__ | ZipCPU: found it !! | 14:27 |
| ZipCPU | Do tell. | 14:28 |
| promach__ | it is really typo issue | 14:28 |
| promach__ | I am sorry | 14:28 |
| ZipCPU | "<promach__> ZipCPU: that is not a typo issue" <==== :P | 14:29 |
| promach__ | I am sorry, I am not careful enough | 14:30 |
| ZipCPU | lol | 14:30 |
| ZipCPU | "Have no fear: programming isn't actually debugging 100% of the time. There's some time set aside for creating new bugs." -- Kelly Vaughn, on twitter | 14:31 |
| ZipCPU | Software development process: 0. I can't fix this, 1. Crisis of confidence, 2. Questions career, 3. Questions life, 4. Oh, it was a typo, cool. :P | 14:32 |
| ZipCPU | 99 little bugs in the code, 99 little bugs, take one down, patch it around, 127 little bugs in the code ... ;) | 14:34 |
| promach__ | yeah | 14:38 |
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| awygle | I found that true for a long time, then I started hitting *real* bugs but it took me forever to find them, and now I'm pretty good at sorting "I am misusing this library" and "this is a compiler bug" into different buckets | 15:46 |
| awygle | Someday I might even figure out how to fix them in a timely manner... :-P | 15:48 |
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| pie_ | found this single thing on youtube about the reduceron https://www.youtube.com/watch?v=0wT5pobsIaM | 20:06 |
| pie_ | audio seems kind of horrible | 20:06 |
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| pie_ | transparencies tho omg xD | 20:11 |
| pie_ | ok this worked a bit better https://www.youtube.com/results?search_query=%22reduceron%22 | 20:13 |
| philtor | pie_, what's the context? | 20:19 |
| philtor | pie_, for reduceron? | 20:19 |
| pie_ | just some short discusion on it yesterday i think | 20:19 |
| pie_ | dont know how it came up | 20:19 |
| philtor | lots of graph-reduction going on in the deep learning space | 20:20 |
| philtor | I also see in the "up next" videos this talk here from StrangeLoop: https://www.youtube.com/watch?v=GawiQQCn3bk | 20:21 |
| philtor | "An Introduction to Combinator Compilers and Graph Reduction Machines" | 20:21 |
| pie_ | yeah thats also in the search list | 20:22 |
| pie_ | i mean maybe just read the papers or something i dunno | 20:22 |
| * pie_ 's efficiency is not very good | 20:22 | |
| philtor | pie_, are you doing any work in this space? (Graph Reduction) | 20:23 |
| pie_ | no | 20:23 |
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