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#rockbox log for 2021-11-18

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04:00:18aaronamm_bilgus Thank you so much so much for your suggestion. This is very useful. It time for me to learn Lua script.
04:00:27aaronammThanks again.
04:00:56aaronammBTW, I have post to the forum as well. I think I will post your suggest there.
04:01:25aaronammhttps://forums.rockbox.org/index.php/topic,54047.0.html
04:01:33aaronammIt can be useful for others.
04:02:15aaronamm@braewoods I agree with you that is not convenient. It just my personal hobby.
04:02:53aaronammHere is my website, most contents are in Thai, some are English but Google translator should be okay.
04:03:03aaronammhttps://onlyminidisc.com/
04:05:15aaronammUsing Net MD is a good way to transfer music. However, there are some people who believe transfer 1:1 is the best sound quality. This is my a little resource what if I can make auto tracking 1:1 correctly.
04:06:11aaronammIn fact, I usually use Net MD and here is my manual for Web MiniDisc.
04:06:27aaronammhttps://onlyminidisc.com/net-md/web-mini-disc-manual
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08:17:13munkiswell it took a year but someone complained about g#2960
08:17:16rb-bluebotGerrit review #2960 at https://gerrit.rockbox.org/r/c/rockbox/+/2960 : Quickscreen: don't apply glabal settings by Moshe Piekarski
08:18:32munkisaaalthough I think the bug in fs#13319 is the inverse of the report.
08:18:33rb-bluebothttps://www.rockbox.org/tracker/task/13319 Default Sleep Timer Duration shows different behavior when changed from a shortcut (bugs, unconfirmed)
08:18:56munkisoh wait nvm different par tof the code
08:19:21munkis(although I still think the expected behavior is strange)
08:46:10 Join massiveH [0] (~massiveH@ool-4a5862ee.dyn.optonline.net)
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09:48:00_bilgusmunkis not setting till later seems odd is it just missing the setting_save()
09:48:01_bilgus?
09:49:21 Join chris_s [0] (~chris_s@ip-95-223-74-199.hsi16.unitymediagroup.de)
09:49:40chris_sI think the Settings menu does additional work in the callback method to actually change the running timer duration
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09:56:25_bilgusI was thinking the current way where we emulate the menu item isn't so great but I don't know that pulling you to the menu is possible (currently not)
09:58:24_bilgusthe problem being that no one ever set a way to expand the menus without the user clicking them
10:00
10:03:11munkis_bilgus: i fell like changing the default timer length shouldn't suddenly affect a running timer.
10:05:11_bilgusIDK probably it should ask I think both might be desired depending on the user
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10:09:43chris_sWould probably make sense to change the name to "Sleep Timer Duration" (i.e. remove the "default")
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10:13:59_bilgusyeah default makes it sound like it should have the behaviour munkis is saying
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13:58:23amachronicspeachy: so the x3 is still panicking on USB insert and you got a log of that?
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13:59:55amachronici made a test build anyway which might give more useful logs if you'd like to try it
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14:00:03amachronichttps://drive.google.com/file/d/1bs6lMfekT9KF25AAWJCOix7T-x6FA46D/view?usp=sharing
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14:23:01speachyamachronic: yeah, I've been trying to wade into it. the screen's so tiny that there's only a handful of logged lines
14:23:17speachyso I've been trying to get hardware sniffs but my sniffer is being churlish.
14:23:42amachronicwell, the build I made hopefully won't panic so you can do a normal log file dump from the debug menu.
14:24:02amachronicdebugging via panic is a PITA.
14:24:19rb-bluebotBuild Server message: Build round completed after 563 seconds.
14:24:20rb-bluebotBuild Server message: Revision 701d4ba77e result: All green
14:24:53speachyI've been adding additonal instrumentation to try and sort out the flow
14:25:33speachyamachronic: https://www.shaftnet.org/~pizza/x3.txt
14:25:39speachythat's my WIP notes from this
14:27:06speachythat's one of two panic sequences (by far the most common)
14:27:55amachronicmost likely its all some tiny deviation from the old behavior which I unintentionally created
14:28:20speachy... and the driver is doing something "special"
14:28:32amachronicmy test build has all requests logged, i used it on fs13315/fs13316 to sort out the mess on ipod.
14:28:56amachronicwhich turned out to be the ARC driver submitting endpoint completes for EP0 for every control packet
14:29:09amachronicor rather, setup packet
14:36:20amachronicdoing nothing on a zero-length send/recv sounds a bit odd though.
14:37:53amachronicbut I guess it must've worked before
14:44:52speachyok, I have a full logf if you want
14:45:02amachronicsure
14:46:17speachyhttps://www.shaftnet.org/~pizza/logf-1.txt
14:48:27speachywe get what appears to be a spurious interrupt, then one with OUTPKTRDY, which feeds into the ctrl received 751
14:49:13speachydrv_recv, drv_send, ctrl handled 751, then the null ctrl req (twice) with the same arguments
14:53:12amachronichuh. it's hard to see what's wrong since we're missing most of the usb_core API side of things.
14:53:33speachyhmm, a GET_DESCRIPTOR seems comes in before the GET_INTERFACE is apparently handled/responded to
14:54:01amachronici am only guessing but maybe a new packet is getting submitted before the last one has been properly acked?
14:54:58amachronicthat'd explain why zero-length send/recv being a no-op works −− the driver is acking the packet before the core has handled it
14:55:33speachyyeah... the driver/hardware would appear to be handling it.
15:00
15:00:24amachronicam I right that this is the jz47xx's USB controller?
15:00:28amachronichttps://dl.linux-sunxi.org/users/tom/musbmhdrc_pspgUSB.pdf
15:00:30speachy... 4760, yes
15:01:04amachronic(I'm trying to figure out how they think setup transactions should be handled)
15:01:26speachyyeah. I did a lot of work on this thing but I didn't change the control stuff at all
15:02:12amachronicok. i also noticed the 4740 seems to be the same controller, yet we have two drivers. :/
15:02:42speachyno ability to test the newer driver on the -40 hardware. :
15:03:06speachyok, just disabled the "if control ep and null packet, skip" test.
15:05:04amachronicit seems setting DataEnd is how you tell the controller the request is handled so I guess it's being set too early by the driver
15:09:59speachyhttps://www.shaftnet.org/~pizza/logf-2.txt
15:10:08amachronicyeah any non-data request won't wait until the usb stack acks so the driver will just proceed ahead with a new packet.
15:10:33speachystill see the two null reqs but now there's something sent over between 'em.
15:21:56amachronicthe order of things should always be "ctrl received" - "ctrl handled" - "ctrl response" and it looks like that isn't happening.
15:25:38speachymaking sense of this mess seems to be a necessary prereq for reworking it to use the new API natively
15:25:40amachronicctrl received 765, req=0x6 shouldn't happen until *after* the recv/send pair right below it
15:26:13speachyyeah, this is why I want to see traffic sniffs
15:27:10amachronicI'm pretty sure it's just an "obvious" driver bug. there's nothing too crazy going on.
15:27:43amachronicone look at that EP0_handler ... I'm not surprised you're afraid to touch it :D
15:27:43speachythe control endpoints have a ton of special casing
15:28:04amachronicyep, and every controller has some special snowflake way of doing it.
15:44:51speachyI don't see a SETUPEND ever triggered, and that's what triggers teh transfer_complete() call for blockning EP0 writes (which I think is all of them)
15:46:36speachyand we nver check solely for DATAEND for EP0....
15:47:10amachronicthe comment in SETUPEND explains it's only for retried packets
15:47:30amachronicie. only if from the controller perspective, the request is being handled and a new one from the host interrupts it.
15:47:47amachronicDATAEND is something the CPU sets, not the controller
15:48:22amachroniceg. L317 and L330
15:48:34amachronicalso L246
15:48:50speachyok.
15:49:18speachyREG_USB_INTRUSB has bit 3 set (ie 0x08) in some of the interrupts, that's not handled (or even documented) in the jz headers.
15:49:50speachyseems to happen after the drv_send()s
15:50:31amachronicaccording to the MUSB doc that's SOF = Set when a new frame starts.
15:54:18amachronicthis controller seems to provide a packet-at-a-time interface for EP0 much like the dwc2 controller.
15:55:01amachronicquestion is how do you figure out a setup packet arrived vs. a normal data packet or do you need to guess.
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16:02:56amachronic... and it sounds like the driver needs to track that state itself.
16:03:05speachyyep
16:03:12speachyand I suppose that's where things are going wonky
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16:09:24amachronicthat MUSBMHDRC manual is reasonably clear about how to handle things.
16:09:40amachronicshould be easy to map onto the new API
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16:12:31amachronicI'd just rip out all the EP0 handler bits and rewrite 'em. not worth the effort to refactor IMHO.
16:12:38speachyyeah
16:12:58speachyI was hoping to get it back to "working" first so it would be useful as a reference
16:13:01speachybut eh
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16:15:16amachronicjust removing the panic should put it back to "working"
16:16:01amachronici figure the OS would retry if it got bogus data so bugs were silently papered over by retrying the request
16:17:37speachywithout the panic it comes up with HID but mass storage isn't working.
16:18:00amachronicoh.
16:18:19speachy(it enumerates but doesn't find an actual drive)
16:19:28amachronicI did put in intentional deviations from the old behavior for control writes, which HID happens to exercise.
16:19:57amachronicturning off HID could make the drive appear
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16:30:14speachynope
16:33:08amachronicoh well
16:34:22wsahi, I just pushed an updated patch of RDS support for the Sansa Clip+
16:34:58wsaI'll be around a little more in case somebody wants to discuss it
16:38:52wsaand as the RDS polling is now generic, if someone could test the conversion of the Samsung YPR0/1 which I also pushed... that would be awesome
16:40:20speachythank you!
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16:43:47speachylet's change the ypr0|1 rds polling to the same as the clip
16:44:00speachydonig it on every tick seems excessive.
16:44:22rb-bluebotBuild Server message: New build round started. Revision de0346065b, 303 builds, 10 clients.
16:46:32speachywsa: can you do that with #3972 and resubmit?
16:46:47wsais one tick the same on every target?
16:46:54wsaspeachy: sure thing
16:52:01wsadone
16:53:40wsaspeachy: oh wow, you merged it already, thanks!
16:54:17speachyit was a much cleaner approach than the original IMO
16:54:34speachywith no obvious issues, so.. why let it sit?
16:54:58speachy(the original patch all of this was based on has been in gerrit since 2012...)
16:55:33wsaYes, the improvements from one version to the next were always good, I think
16:55:49wsajust a pity it was always 5 years between the versions :/
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16:56:20rb-bluebotBuild Server message: New build round started. Revision 336ea51af6, 303 builds, 9 clients.
16:56:22speachyI've been distrated by other stuff lately but what really got me involved with rockbox was not wanting to see a large pile of third-party contributions/patches/etc continue to languish
16:56:41wsaI wasn't sure if RDS_CFG_POLL was acceptable, I am glad it is...
16:57:13speachyit was that or add HAVE_RDS_POLL
16:57:20wsaspeachy: I am with you there
16:57:44speachysince we already had CONFIG_RDS as a bitmask, it was the right call IMO
16:58:01wsaI am definately not short of tasks, but having this device and seeing these RDS patches was an itch I just had to scratch
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17:08:38rb-bluebotBuild Server message: Build round completed after 739 seconds.
17:08:39rb-bluebotBuild Server message: Revision 336ea51af6 result: All green
17:10:59wsafor the record, I also checked the GPIO ports when receiving RDS data for some other pin toggling indicating an RDS interrupt
17:11:05wsano surprise, there was none
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17:30:06speachyamachronic: btw the 4740 vs 4760 share the same licensed core, but the -40 only has 5 endpoints and the -60 seems to have the full set of 16.
17:30:49speachy(another difference is that the -40 can't do an INTERRUPT OUT endpoint..)
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