Support and General Use > Hardware
AGPTEK Rocker
wodz:
--- Quote from: Dulus_No on June 21, 2018, 11:07:46 AM ---Hello!
On the latest dev. build (d64ff86) the display keeps working when backlight is off: https://imgur.com/ge7VyK6.gifv
--- End quote ---
Anyone can confirm this? I can't reproduce. Anyway which player (T6, Rocker v1, Rocker v2), which original firmware version? Are you able to hook ADB?
johnb:
It works for me (screen off).
Dulus_No:
--- Quote from: wodz on June 21, 2018, 02:49:03 PM ---
--- Quote from: Dulus_No on June 21, 2018, 11:07:46 AM ---Hello!
On the latest dev. build (d64ff86) the display keeps working when backlight is off: https://imgur.com/ge7VyK6.gifv
--- End quote ---
Anyone can confirm this? I can't reproduce. Anyway which player (T6, Rocker v1, Rocker v2), which original firmware version? Are you able to hook ADB?
--- End quote ---
Benjie T6, orig. firmware from 【AGPTEK】ROCKER UPT1.2 (AGPTEK_ROCKER(20171101).rar)
I think adb is working:
--- Code: ---C:\adb>adb devices
List of devices attached
0123456789ABCDEF device
--- End code ---
--- Quote from: wodz on June 21, 2018, 02:22:56 AM ---
--- Quote from: pizza on June 20, 2018, 07:25:04 PM ---BTW, one more for the bug/quirk list -- When audio playback starts (or resumes) there is sometimes an audible pop/click -- Several theories (codec automatically going into powersave mode?) but no way to really confirm anything since I still can't get ADB to work. (Is there some trick involved beyond launching it via the bootloader?)
--- End quote ---
I didn't spot this pop/click but I don't use Rocker daily. Anyway I am afraid there is nothing I can do about this.
There are reports that you need to use adb older than 1.0.37 on PC. Personally I use 1.0.32 without problems. Another thing is that you cannot use ADB and run original firmware. Hiby player seems to intentionally overwrite android usb gadget settings breaking adb.
--- End quote ---
I was able to run adb v1.0.40 after manual driver install (Android ADB Interface, 08/28/2014, 11.0.0000.00000).
wodz:
--- Quote from: Dulus_No on June 22, 2018, 05:06:14 AM ---Benjie T6, orig. firmware from 【AGPTEK】ROCKER UPT1.2 (AGPTEK_ROCKER(20171101).rar)
I think adb is working:
--- Code: ---C:\adb>adb devices
List of devices attached
0123456789ABCDEF device
--- End code ---
--- End quote ---
Ok, run adb shell and then issue echo 1 > /sys/class/graphics/fb0/blank. This should blank the screen obviously. Write 0 to unblank. Report if this works.
Dulus_No:
--- Quote from: wodz on June 22, 2018, 06:24:26 AM ---Ok, run adb shell and then issue echo 1 > /sys/class/graphics/fb0/blank. This should blank the screen obviously. Write 0 to unblank. Report if this works.
--- End quote ---
echo 1 - backlight off, screen still displays (usb plug image) and stops refreshing (time on status bar).
echo 0 - backlight on, screen is frozen (still displays usb image), can blindly navigate and play music.
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