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| mithro | _florent_: ping? | 00:33 |
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| _florent_ | mithro: pong | 06:05 |
| mithro | _florent_: how hard would it be to make the firmware output the video "upside down"? It should just be the case of running the output DMA "backwards" right? | 06:06 |
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| _florent_ | what do you mean exactly with upside down: vertical flip or 180 degrees rotation? (that's not exactly the same) | 06:09 |
| mithro | _florent_: vertical flipped (but it could also be horizontally flipped at the same time) | 06:09 |
| _florent_ | OK, so this can probably be done by running the DMA backward, but with some precautions: DDR bursts will a still be done the same direction, so we would need to swap burst data for reads. | 06:14 |
| *** Bertl_oO is now known as Bertl | 06:33 | |
| Bertl | so it might be better to burst an entire line, then (resulting in vertical mirroring) | 06:34 |
| _florent_ | Bertl: yes it would probably be easier! | 06:45 |
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| seaLne | mithro: farnell think that mini dp connector is no longer manufactured? http://uk.farnell.com/webapp/wcs/stores/servlet/Search?catalogId=15001&langId=44&storeId=10151&gs=true&st=64l020s | 07:13 |
| tpb | Title: Search Results | Farnell element14 (at uk.farnell.com) | 07:13 |
| seaLne | and octopart seems to agree https://octopart.com/search?q=64L020S | 07:14 |
| tpb | Title: 64L020S - Octopart (at octopart.com) | 07:15 |
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| mithro | Ask Bertl | 08:05 |
| mithro | Bertl: that mini-DP connector you suggested we use appears to be no longer manufactured? | 08:11 |
| seaLne | https://octopart.com/47271-0011-molex-7671339 is full size but seems to be reasonably cheap and available | 08:12 |
| mithro | http://www.digikey.com/product-detail/en/2129320-3/A120537CT-ND/5021748 <- That is the only one on Digikey? | 08:13 |
| tpb | Title: 2129320-3 TE Connectivity AMP Connectors | A120537CT-ND | DigiKey (at www.digikey.com) | 08:13 |
| mithro | seaLne: needs to be mini-DisplayPort | 08:13 |
| seaLne | i thought that had been because of cost of dp connectors? | 08:13 |
| mithro | seaLne: ? | 08:14 |
| mithro | seaLne: There isn't enough space on the AXIOM for full size DP connectors | 08:14 |
| seaLne | ah, i wasn't fully paying attention when you were talking about that before | 08:15 |
| mithro | Bertl: why did you choose mini-DP rather then HDMI-Micro-D? | 08:16 |
| mithro | Bertl: guess easier to get mDP cables? | 08:16 |
| seaLne | uHDMI is pretty common for tablets etc | 08:17 |
| mithro | seaLne: but you need MiniDP -> MiniDP | 08:17 |
| mithro | seaLne: sorry mean mini-HDMI to mini-HDMI | 08:17 |
| seaLne | ah yeah they are probably not as common | 08:18 |
| mithro | seaLne: I think the Digikey part might be the best option? | 08:25 |
| mithro | Bertl: what do you think? | 08:25 |
| mithro | You can get it from mouser too | 08:27 |
| seaLne | would you not have a similar problem getting mDP to mDP cables? | 08:27 |
| Bertl | the problem with HDMI-D is twofold | 09:12 |
| Bertl | first, HDMI uses TMDS, so LVDS on a potential TMDS connector is a little risky (who knows what folks plug in there :) | 09:14 |
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| Bertl | secondly, the type D receptacles use two rows of tiny SMD connectors, which are not really simple/easy to connect without small structures | 09:14 |
| Bertl | not to mention the fact that most of the receptacles require plated slots very nearby the SMD pads, which is a problem for OSHpark | 09:16 |
| Bertl | mini HDMI doesn't have those problems, but cables (mini to mini) are not really simple to get, while the miniDP cables are slowly becoming a commodity | 09:17 |
| mithro | Bertl: is that miniDP receptacle I linked okay? | 10:26 |
| Bertl | looks fine to me, yes, let me check where we can get it (except for digikey) | 10:27 |
| Bertl | Mouser, Arrow, AvNet, so seems fine | 10:29 |
| mithro | seaLne: can you do that part? | 11:22 |
| mithro | seaLne: if you are around in an hour we can look at trying to figure out why your Opsis doesn't work, while mine does | 11:23 |
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| Bertl | mithro: just curious, why do you prefer digikey? | 12:14 |
| seaLne | mithro: ok, i'll make that part. unfortunatley not got time just now to look at the opsis | 12:22 |
| * seaLne prefers farnell :) | 12:22 | |
| seaLne | shipping probably effects peoples choices of supplier | 12:23 |
| mithro | digikey is cheapest for australia | 12:43 |
| mithro | farnell is like 3 times the price | 12:43 |
| Bertl | ah, interesting, good to know ... here it is the other way round | 12:43 |
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