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| | |-+  AGPTEK Rocker
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Author Topic: AGPTEK Rocker  (Read 150481 times)

Offline coacharnold

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Re: AGPTEK Rocker
« Reply #330 on: June 18, 2019, 08:33:38 AM »
I'm ready to roll on this.  I'm a linux user if that helps ... so I can trouble shoot and help out with testing if needed.  Also ... if someone can help me ... I'd be happy to help out with a wiki/install guide.

This player looks REALLY cool ...   my guess is that the Blutooth is just a matter of enabeling it in the code.    Has any Rockbox port utilized blutooth before this?

Rockbox still has my favorite interface for DAP's.

Let me know
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Offline psychic_quark

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Re: AGPTEK Rocker
« Reply #331 on: June 18, 2019, 06:54:02 PM »
Quote from: coacharnold on June 18, 2019, 07:54:11 AM
Hi .....  without spending a lot of time looking this up .... can someone tell me, is this the player :

AGPTEK ROCKER Bluetooth 4.0 MP3 Player, High Resolution Lossless Music Player for Audiophile(up to 256GB), black /sliver

And does blue tooth work with rock box?  Is there a wiki for the install process??

I see it on wallmart's site for 50$,   I'll buy one today if it works.

Thank you

Tim

Yep, that's the device.

No BT via rockbox AFAIK.

You can clone the repository using GIT (git://git.rockbox.org/rockbox.git), the detailed build instructions (via docker) can be found in README file located at path: ./tools/agptek_rocker within the cloned rockbox repo.
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Offline coacharnold

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Re: AGPTEK Rocker
« Reply #332 on: June 18, 2019, 07:14:55 PM »
cool .... found it all a few pages back ... with the exception of the info on BT >... thats a bummer.  AM I right in saying it's dual boot?

THanks for the help

T
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Offline psychic_quark

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Re: AGPTEK Rocker
« Reply #333 on: June 18, 2019, 08:27:13 PM »
Yeah, it's dual boot.
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Offline psychic_quark

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Re: AGPTEK Rocker
« Reply #334 on: June 19, 2019, 04:34:53 PM »
Quote from: wodz on June 18, 2019, 07:45:24 AM
The difference is insignifican't unfortunately.

Yep about ~7 minutes runtime in my battery benches.
* battery_bench_190618_NH.txt (29.73 kB - downloaded 107 times.)
* battery_bench_190617_NH.txt (30 kB - downloaded 106 times.)
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Offline cesium

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Re: AGPTEK Rocker
« Reply #335 on: June 19, 2019, 10:25:53 PM »
I don't know how, but I got 9 hours of battery life on the new build in this thread as opposed to the 6 and a half hours I usually get on the old build. Could it be due to other factors such as the bit-rate of the file?
* battery_bench_new_build.txt (48.9 kB - downloaded 95 times.)
* battery_bench_old_build.txt (26.16 kB - downloaded 93 times.)
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Offline Milardo

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Re: AGPTEK Rocker
« Reply #336 on: June 19, 2019, 11:01:26 PM »
 agptek rocker v2

I can still see the display, it may not be moving though.

i didn't see any change in battery life.
* battery_bench-1.txt (26.52 kB - downloaded 108 times.)
* battery_bench-testbuild.txt (25.48 kB - downloaded 102 times.)
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Offline Milardo

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Re: AGPTEK Rocker
« Reply #337 on: June 20, 2019, 02:10:19 AM »
Quote from: cesium on June 19, 2019, 10:25:53 PM
I don't know how, but I got 9 hours of battery life on the new build in this thread as opposed to the 6 and a half hours I usually get on the old build. Could it be due to other factors such as the bit-rate of the file?

Hi, may i ask if you did anything with the test build that is different than regular build? Did you change a setting and what type of music files were you playing?
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Offline cesium

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Re: AGPTEK Rocker
« Reply #338 on: June 20, 2019, 03:27:30 AM »
Quote from: Milardo on June 20, 2019, 02:10:19 AM
Quote from: cesium on June 19, 2019, 10:25:53 PM
I don't know how, but I got 9 hours of battery life on the new build in this thread as opposed to the 6 and a half hours I usually get on the old build. Could it be due to other factors such as the bit-rate of the file?

Hi, may i ask if you did anything with the test build that is different than regular build? Did you change a setting and what type of music files were you playing?

I didn't do anything to the test build, I just downloaded and unzipped it to my player's SD card. I use my Benjie T6 mostly as an audiobook device at night so I use MP3 128kbps files. My LCD brightness, however, is 5. No other settings were changed.
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Offline Gomas

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  • I couldn't find the presentation thread so hi :D
Re: AGPTEK Rocker
« Reply #339 on: June 21, 2019, 11:37:38 AM »
Quote from: coacharnold on June 18, 2019, 08:33:38 AM
Id be happy to help out with a wiki/install guide.
If you want to make a tutorial, I reunited all I found on this post. I think the only thing it changed was the build, since they're testing the battery life right now.
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Offline mittorn

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Timer/threading issues
« Reply #340 on: October 26, 2019, 02:54:30 PM »
First, i tried to reduce battery usage.
I've found that rockbox use 10-30% cpu when updating display
After disabling display update when backlight off i've got 1% cpu usage in idle and 3-15% when playing.
It is very strange: on same file it may use only 1.5-2% and may 30%. It just changes randomy on every rockbox start.
I tried to reduce timer frequences, but it only reduced idle usage to 0.7 and playing to 2%.
On "successful" launch (with 2-3% cpu usage), it may work about 11 hours from full battery change (after reducing timer freqs).

Of cause i have some questions:
1. Why not stop timers when no modules using it (when running in idle)?
2. Why use separate thread to run timer? i do not think that constantly switching process context is good for battery usage. Maybe just use signals for interrupts and nanosleep/select for wfi?
3. By default, audio buffer size is larger that used in rockbox. You may increase buffer size to reduce cpu activations while playing. Is it possible to fill buffer only every 2-3 seconds in rockbox?
It seems that firmware kenrel implementation is good, but hosted is very poor.
« Last Edit: October 26, 2019, 03:29:02 PM by mittorn »
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Offline Bilgus

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Re: AGPTEK Rocker
« Reply #341 on: October 27, 2019, 11:14:16 PM »
Are you running a recent dev version?
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Offline mittorn

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Re: AGPTEK Rocker
« Reply #342 on: October 28, 2019, 09:05:26 PM »
Yes, it is 1da2708a7c48c144605d84da94d0184209713683
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Offline Dromedary

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Re: AGPTEK Rocker - firmware update fails
« Reply #343 on: November 23, 2019, 11:02:29 AM »
I bought a Rocker from Amazon. Came with firmware v 1.31 beta
It falls to update firmware. Gives me messages
 "Updater V 1.1"
 and then
 "v_v Failed"
Anyone familiar with this?
So far tried different SD cards, resetting player, writing to the card using separate card reader. No firmware update works. Not even the AGPTEK's own.
Thanks
« Last Edit: November 24, 2019, 09:33:13 PM by Dromedary »
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Offline Njones

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Re: AGPTEK Rocker
« Reply #344 on: November 23, 2019, 05:46:26 PM »
The latest firmware version for the Rocker is 1.2
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