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| Onboard LEDs connected to the RK805-1 out1 and out2 GPIO pins |
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Posted by: prof7bit - 02-24-2018, 05:15 AM - Forum: Linux on Rock64
- Replies (8)
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Are the two LEDs (white and red) that are connected to the RK805-1 out1 and out2 pins (which seem to be general purpose IO pins according to the data sheet) controllable from user space somehow? I have noticed that at least the u-boot-spi flash tool can blink the red LED and also at least one of the available images I tried turned off the red LED after successful boot. The image I am currently running leaves both LEDs turned on all the time.
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| How to u-boot to HDD? |
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Posted by: AkiraSensei - 02-23-2018, 06:50 PM - Forum: Android on Rock64
- Replies (4)
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Well, there's this thread by the moderator called Luke instructing how to boot Linux and "some" Android images from a USB device. The link to it is this: https://forum.pine64.org/showthread.php?tid=5610
I followed the instructions. I downloaded and burned ayufan's u-boot-flash-spi.img.xz image to my SD, waited for the Rock64 to start blinking, and then turned off to take the SD out. I then tried Pine64's own Android image AND Ayufan's TV version but none will boot off an externally powered HDD OR USB flash drive. The screen on my monitor doesn't even turn black or anything (no signal).
According to Luke's guide, I have to go to this link here: https://github.com/ayufan-rock64/ to check which images can be booted from SPI but I do not understand these hub pages at all. I've no idea where to even find a list of Android images that mention SPI.
I found this hub page titled "u-boot Android" or something but I have no clue what this page is even about: https://github.com/rock64-android/u-boot . I'm not Linux savvy to understand at all.
BTW, running Android through SD runs perfectly fine. But as we all know, SDs wear out -- especially for what I'll want to use the Rock64 for.
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| LED's but no display |
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Posted by: le_moose1 - 02-23-2018, 02:28 PM - Forum: General Discussion on ROCK64
- Replies (7)
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Just picked up my Rock64-4GB from the mailbox and proceeded to boot up the latest Android OS.
When I plug it in, only the 2+1 LED lights come on and the display is dark.
The monitor(s) and television all do not detect a signal from the HDMI port of the unit.
Not much to the installation and cannot do too much without a display.
Is there a fix or is the board DOA?
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| Changing android build.props |
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Posted by: krystian - 02-23-2018, 09:33 AM - Forum: Android on Rock64
- Replies (2)
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Hello
I would like to use a touch screen I bought off aliexpress, but unfortunately, the input is rotated by 90 degrees. Rotating the image does not solve the issue - input rotates with it.
I have tried changing the build.props rotation to 90, but unfortunately it works just like regular rotation, input rotates as well.
In the android docs, I have found:
Quote:touch.orientationAware
Definition: touch.orientationAware = 0 | 1
Specifies whether the touch device should react to display orientation changes.
If the value is 1, touch positions reported by the touch device are rotated whenever the display orientation changes.
If the value is 0, touch positions reported by the touch device are immune to display orientation changes.
The default value is 1 if the device is a touch screen, 0 otherwise.
Since this is not in the build.props file, I have added this entry on my own, but unfortunately, ROCK64 will not boot after this change
Could anyone point me to some guide or something that could help me (open my eyes) on how to achieve this?
I am using the regular ROCK64 distro, since I have to use it from SDCard (still waiting for my emmc) and ayufan's android will not boot from sdcard for me.
Thank you
Krystian
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