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| 00:27:51 | Nyaa | nice, it worked |
| 00:28:19 | Nyaa | i made the piezo beeps match headphone beeps lol |
| 00:29:24 | Nyaa | except the maths in the existing function for calculating the beep frequency on ipodvideo seem wrong and they're slightly higher pitched than they should be |
| 00:33:41 | * | Nyaa changes the 91225 to a 125000 just out of a hunch and sees if that fixes it |
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| 00:39:35 | Nyaa | closer but still off lol, so not 1mhz/8 for piezo clock |
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| 00:59:08 | Nyaa | time to just set it to /10 and measure the frequency lol |
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| 01:29:39 | Nyaa | ah ha, piezo appears to be running at 1.536mhz |
| 01:32:24 | Nyaa | perfect |
| 01:35:47 | Nyaa | [or maybe 49.152mhz idk i can't be bothered to maths the source clock, it's a multiple of 192khz] |
| 01:43:11 | Nyaa | er wait 192khz is the half-period time at 50% duty cycle so it's a multiple of 96khz oops lol forgot i was measuring a square wave |
| 01:47:21 | * | Nyaa is confused because it sounds too high pitched again set to 96khz and sets it back to 192khz |
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| 02:27:51 | * | Nyaa going through other targets to adapt new piezo code |
| 02:34:15 | Nyaa | does anyone here know what kind of hardware generates the "click" on the philips targets |
| 02:38:25 | spork | a tiny man with a hammer |
| 02:38:30 | Nyaa | lol |
| 02:38:53 | Nyaa | i'm asking so i don't end up writing code that could damage the hardware |
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| 02:44:34 | * | Nyaa shrugs, decides she should just adjust the code to handle new changes as-is with no functionality change on that target and moves onto the others for now |
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| 02:54:53 | spork | i wonder if there are many of those philips targets still actively used |
| 02:55:24 | Nyaa | no idea, if anyone around here has one and wants to to try out code that might kill the click/feedback hardware let me know lol |
| 02:55:34 | spork | nice incentive |
| 02:55:56 | Nyaa | if it works, the upside is that it will beep instead of just clicking :p |
| 03:00 |
| 03:09:51 | Nyaa | anyway does anyone here have other ipod models they can test my changes on? works well on the ipodvideo i have but idk if i got the frequency/durations right for the 6g and nano2g [plus it might be the case that the 4g, colour, mini1g, and mini2g use a different piezo clock] |
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| 03:41:10 | Nyaa | hmm |
| 03:42:26 | * | Nyaa notices a slight unintentional behaviour change with her code but leaves it for the time being until getting feedback on if it's even worth putting the extra effort into it |
| 03:42:27 | Nyaa | lol |
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| 04:02:11 | Nyaa | here's my modified version if anyone wants to try it, https://git.spec.cat/Nyaaori/rockbox |
| 04:10:29 | Nyaa | i suspect beeps/clicks on ipodnano2g and ipod6g are going to be an octave higher than they should be and ~4x shorter than they should be |
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| 04:19:31 | Nyaa | hmm oh |
| 04:19:39 | Nyaa | i get how that timer works now |
| 04:19:41 | * | Nyaa fixes it |
| 05:00 |
| 05:24:16 | Nyaa | [if anyone wanted to test it, now it has the fixed code lol] |
| 05:24:41 | Nyaa | still might be an octave higher than it should be but duration should be correct |
| 05:30:35 | Nyaa | wait i see a bug in my maths lol |
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| 05:51:46 | Nyaa | ok _now_ it should be testable lol |
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| 09:05:33 | munkis | Do we host simulator builds? |
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| 11:34:58 | munkis | NVM found rashers sims from 2018. |
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| 14:51:20 | Nyaa | nice, made a build for myself with the older tinysid engine lol |
| 14:52:09 | Nyaa | maybe i could make a patch that builds it instead of crsid for targets without enough hardware specs for crsid |
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| 20:14:37 | speachy | Nyaa: the PP-based ipods and various m68k targets are probably the only ones we have that are too slow to handle crSID. |
| 20:15:08 | Nyaa | there's the issue with ram too |
| 20:15:25 | Nyaa | i don't think there would be a build flag for not building it on small ram targets otherwise |
| 20:15:49 | speachy | the tinyRAM targets still have a couple hundred mhz arm9s to play with IIRC |
| 20:16:11 | speachy | it's the sub-100MHz ARM7TDMI stuff I'd be concerned about |
| 20:17:20 | Nyaa | tbf that multimedia chip runs at 150mhz apparently :p |
| 20:17:38 | Nyaa | i still haven't gotten around to emailing broadcom yet though lol |
| 20:17:40 | speachy | might be able to just say if (! (ARCH == m68k || (ARCH == arm && ARCH_VERSION < 5))) |
| 20:18:20 | Nyaa | eh, i'm looking at potentially making it faster |
| 20:18:47 | Nyaa | are there tools for doing code profiling on rockbox |
| 20:19:18 | Nyaa | oh it's in the advance configure options |
| 20:19:20 | Nyaa | advanced* |
| 20:22:05 | speachy | hmm, you might want to try the codec_benchmark tool on those SID files, to see just how underpowered the ipod is |
| 20:22:57 | Nyaa | i mean, lower cpu usage would improve all targets by lowering power usage so optimising it if possible would be good either way |
| 20:23:29 | speachy | of course |
| 20:23:55 | speachy | that would give you some hard numbers to compare against regardless |
| 20:24:25 | Nyaa | also "those SID files" is the entire HVSC so lol |
| 20:24:39 | speachy | hmm, more arm7tdmi targets than I remeembered but they seem to max out at 75MHz |
| 20:24:41 | Nyaa | i haven't tried 2sid or 3sid ones yet but i figure they'll be even worse |
| 20:24:51 | speachy | undoubtedly |
| 20:26:13 | Nyaa | hmmm |
| 20:26:17 | Nyaa | fails to build with profiling on |
| 20:26:18 | speachy | optimizing the crSID emulator is likely to be a bit of open-ended non-trivial work; a more short term solution IMO would be to make tinysid vs crsid a build-time option |
| 20:26:40 | Nyaa | lemme make sure it's not my toolchain breaking it lol |
| 20:27:20 | Nyaa | nope not related to that |
| 20:28:06 | Nyaa | eh i will do the benchmark instead for now and figure out compiling profiling in later |
| 20:29:09 | speachy | I think the codec benchmark plugin is gated behind the debug plugins configure option |
| 20:29:22 | Nyaa | plus with benchmark i can compare gcc 4.9 and 13.2 and see if that makes any difference too |
| 20:30:42 | speachy | munkis: And yes, there's no automatic repository of sim builds. That could probably be changed but I don't know how generally useful they'd be to make the bandwidth/disk usage worthwhile. |
| 20:31:39 | Nyaa | why do builds get done every day even if no code changes happened |
| 20:31:43 | speachy | (IMO only the windows builds are semi-useful but last time I tried to cross-compile one it ended very bnadly) |
| 20:31:46 | Nyaa | that alone seems like a waste |
| 20:32:09 | speachy | they don't. the nightly build script just collects the most recent per-commit builds. |
| 20:32:27 | speachy | it does, however, regenerate the voices and manuals, which is a bit of a waste. |
| 20:32:43 | Nyaa | oh, well i did open the website once while it was doing that and got confused for a second at like 80% of the links being missing lol |
| 20:33:42 | Nyaa | alright got the benchmark plugin compiled, though i do have changes to crsid i was making so i'll have to run it again after with those changes undone lol |
| 20:33:53 | speachy | this is the largest devleopment lull in a couple of years FWIW. |
| 20:34:54 | Nyaa | oh also idk if anyone has any of the other ipod targets and wants to test my [mostly proof of concept] piezo beep changes |
| 20:34:56 | Nyaa | https://git.spec.cat/Nyaaori/rockbox/commit/339f770b0cfa3a1a6b9952ae1cdb7ee23689a3c7 |
| 20:35:12 | speachy | I thought only the "fat" ipods had piezos? |
| 20:35:48 | Nyaa | nano 1g/2g, mini 1g/2g, standard 4g/5g/6g |
| 20:35:58 | Nyaa | at least according to rockbox code |
| 20:36:15 | Nyaa | i think 1g/2g/3g also have something but maybe not supported in rockbox idk |
| 20:36:52 | speachy | I have a 5.5g and a mini2g in my rockboxbox |
| 20:37:04 | Nyaa | the 5/5.5g is what i'm using now lol |
| 20:37:12 | speachy | (rock.box^2 ?) |
| 20:37:32 | Nyaa | it seems to work fine here but i'm not 100% sure i measured the frequency right, still sounds like funny harmonics but that might just be square wave shenanigans |
| 20:38:01 | Nyaa | changes i made cause the piezo to make all the interface beep sounds instead of just keyclicks |
| 20:38:48 | speachy | heh, fwiw the fat 1g-3g are going to be _way_ too slow for SID if the 5g barfs on 'em, as they have the older PP that effectively runs at half the clock freq |
| 20:39:10 | Nyaa | i think mini 2g uses the same code that the 5.5g uses so it will probably work the same |
| 20:39:27 | speachy | mini2g is the same as the 4g grey IIRC |
| 20:39:32 | Nyaa | it's the 6g and nano 2g that use different piezo code and i'm very unsure about that |
| 20:40:08 | Nyaa | all i know is that the maths seemed to check out and that it compiled lol |
| 20:40:26 | speachy | nano1g is PP, nano2g is samsung (along with 6g) |
| 20:41:08 | Nyaa | targets i have i can test against are the uh, cowon d2 and ipod 5/5.5g |
| 20:41:18 | Nyaa | i might have a sansa clip motherboard in a box somewhere but no other parts of it lol |
| 20:41:59 | speachy | I don't recall if anyone with a Cowon ever confirmed that the newer-toolchain builds even worked. |
| 20:43:51 | Nyaa | time to run codec text |
| 20:43:54 | speachy | heh, the D2 is 48MHz. |
| 20:44:06 | Nyaa | is that base or after boost |
| 20:45:09 | Nyaa | speed test running |
| 20:45:32 | speachy | ah, 192 max. that's respectable. |
| 20:46:34 | Nyaa | oh i also have an ipod shuffle 2g that i've been meaning to try to do shenanigans with |
| 20:46:54 | Nyaa | would need to find a way to execute arbitrary code on it first |
| 20:47:32 | Nyaa | and i doubt the specs are anywhere good enough to run rockbox on it even if i figure that out lol |
| 20:49:49 | speachy | a voice-only UI would be an interesting endeavour |
| 20:51:34 | Nyaa | hmm it has a STMP3550 |
| 20:52:35 | Nyaa | i guess it depends on if it has enough SDRAM attached or not lol |
| 20:57:17 | Nyaa | tbh the most interesting thing would be to find a way to inject an opus decoder into the shuffle 2g to be able to fit more/higher quality music on it lol |
| 20:57:34 | speachy | might be a combined SDRAM+flash chip |
| 20:57:48 | speachy | but there's not a whole lot of flash on there regardless |
| 20:58:34 | Nyaa | yeah i think the one i have is a 1GB model |
| 20:59:41 | Nyaa | honestly the only reason i have it was because it's purple lol |
| 21:00 |
| 21:00:02 | Nyaa | it was going to get thrown out [it had never even been opened lmao] but i thought it looked pretty |
| 21:00:57 | speachy | yay, another iFashionAccessory |
| 21:01:41 | Nyaa | lol |
| 21:01:59 | Nyaa | well i also don't like stuff becoming e-waste, especially if it's completely functional |
| 21:02:19 | Nyaa | this ipod 5g only had like 40 hours of use before i got it |
| 21:02:40 | Nyaa | i think the battery degradation it has was from being stored at 0% charge |
| 21:03:08 | Nyaa | [well, 0% to the firmware, it cuts off at like 10% actual charge] |
| 21:03:18 | speachy | the hdd-based (or external card-based) players are the ones holding up |
| 21:03:36 | Nyaa | the hdd has a couple bad sectors but i'm hoping they're just factory |
| 21:04:05 | Nyaa | oh also i also have a half-written change to add SMART status reporting to the ipod 5/5.5g lol |
| 21:04:21 | Nyaa | the diagnostics menu shows the SMART status, not 100% sure how to fetch it otherwise though |
| 21:05:12 | Nyaa | also i don't think the benchmark tool works with SID playback |
| 21:05:21 | Nyaa | because i think it will play back the SID indefinitely |
| 21:05:32 | Nyaa | it just says "0 of 0" |
| 21:06:34 | Nyaa | let me test with an aac file |
| 21:07:02 | Nyaa | just to confirm the benchmark tool works lol |
| 21:07:38 | Nyaa | 240% realtime on the aac file i tested |
| 21:08:34 | Nyaa | lemme see if it works with a gbs file |
| 21:10:06 | Nyaa | hmmm, seems to but i think the results are gonna be wrong because of the way the multitrack files report position |
| 21:15:23 | Nyaa | yeah, the benchmark tool does not work on multitrack files because each track is reported as 1 second |
| 21:20:58 | Nyaa | maybe they could be modified to report each track as if it was cuesheet info |
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