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Recycling pinephone as ho...
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BT PAN - we need iptables...
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black cursos background
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slight bumps causing phon...
Forum: PinePhone Pro Hardware
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Star64 Irradium (based on...
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Switching cameras on PPpr...
Forum: Mobian on PinePhone
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Battery connector dead
Forum: PinePhone Hardware
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No touch KB after update(...
Forum: Mobian on PinePhone
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compass pdf link expired:...
Forum: General Discussion on PinePhone
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| boot option document confusion |
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Posted by: gene83 - 02-15-2018, 09:19 PM - Forum: Linux on Rock64
- Replies (4)
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I managed to get a decent printout of the boot option document, but what I read is very confusing.
In booting from an sd card, a list of addresses and what goes where seems quite grossly at odds when totalled with a simple calculator.
For instance, the kernel image (I am assuming is vmlinux,) which in the version v4.14I.15-rt13 I just built, is 147871544 bytes, or 0x8D05738, and would extend quite some megabytes past the location that begins the file system image.
Do I have the wrong document, or what do I not understand?
Gene83
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| Bricked my Rock64 |
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Posted by: CJM - 02-15-2018, 09:08 PM - Forum: General Discussion on ROCK64
- Replies (11)
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I just got my Rock 64, loaded ubuntu mate and it was working fine. I was wanting to add storage (i boot from the micro sd). I read a post that you could load u-boot onto a micro sd, put it into the Rock64, power it up, and wait for the lights to start blinking steadily. Then you were to shut down, remove the sd card, and attached an ssd via usb. I did so, but now it powers up and nothing whatsoever happens visually on the screen. I tried loading the sd card with a fresh version of ubuntu mate and nothing happens. I'm a total novice to this, but it seems that I've altered the firmware or something so that my machine won't work. Can anyone help? Can I restore the board to factory settings and pretend this never happened? Have I ruined my board?
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| USB HDD and Android TV |
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Posted by: JeffsNetflixPassword - 02-15-2018, 07:38 PM - Forum: General Discussion on ROCK64
- Replies (2)
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I've had my Rock64 4GB board about a week. My primary use will be as an android TV box. My problem is that my USB hard drive doesn't work when attached to any USB port.
The drive is a western digital 3TB USB2.0 drive, model WDBAAU0030HBK. It is externally powered and formatted in NTFS, so it shows up as 2TB.
When I try to access it in ES explorer it says "Operation Failed". It does not show up when I try to access it through VLC. The drive works when attached to my windows PC, my smart TV and my Roku.
I am using Android TV Image "android-7.1-rock-64-rock64_atv-v0.3.13-r115-raw.img.gz"
Any suggestions are welcome, as this is one of the main reasons I bought the board, to play videos from my USB HD on my smart TV through the Rock64
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| alpha wifi rt3572 |
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Posted by: cinaed - 02-15-2018, 03:04 PM - Forum: Linux on Rock64
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How to get a loadable driver for the alpha RT3572?
I'm running jessie using the
4.4.77-rockchip-ayufan-136
kernel.
It also has the
linux-rock64-package
installed which I presume are the build tools.
I have an old alpha RT8187 I borrowed working
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| Will EPOLL C or PIGPIO C work on pine64? |
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Posted by: dkebler - 02-15-2018, 10:43 AM - Forum: Pi2, Euler and Exp GPIO Ports
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I write in nodejs exclusively and on RPI I use this library to control GPIOs
https://github.com/fivdi/pigpio
This module creates bindings to the excellent PIGPIO C library here https://github.com/joan2937/pigpio
and with it and this i2c bus module https://github.com/fivdi/i2c-bus I can anything on the GPIO bus.
I am sure I can get the PIGPIO C library to compile but will it be compatible with the "Pi2" bus on the Pine64?
If so tada I can use my nodejs code directly from RPI to Pine64 without alteration (well except maybe for some pin number translations as pointed out in other posts????)
If PIGPIO C won't work the same dev has a library that uses EPOLL.
So the EPOLL C should compile but will it work with the PINE64 pi2 bus???
https://github.com/fivdi/epoll
I'd much rather use PIGPIO C library as I have discovered it's much more robust than the EPOLL
What are my options here?
I understand I can just write sysfs calls directly in nodejs but I've discovered that's not very robust.
One thing I definitely do frequently on the Pi is use pins as interrupts and that is easy with PIGPIO or EPOLL. As far as I understand if only using sysfs then you have to manually poll the pin state in your code continuously (in nodejs that would be setInterval) looking for a state change (which is really not robust at all).
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| Question on the power resistors |
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Posted by: bergera - 02-15-2018, 08:04 AM - Forum: Clusterboard
- Replies (2)
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I just got my board yesterday and noticed that it can with two large power resistors. Looking at the schematic they would be R373 and R351. They look to be that they would provide a load to the ATX connector/power supply. Is this correct? I'm in using the the barrel connector so I wouldn't need them? Is there any hard soldering them in place even if I don't use an ATX power supply? It doesn't look like it from the schematic.
Thanks for any in-site I'm hoping to get mine fired up with 2 sopines over lunch.
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| Clusterboard Pinouts |
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Posted by: xalius - 02-15-2018, 05:36 AM - Forum: Clusterboard
- Replies (4)
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I made an overview of the GPIO header for the nodes while playing with my Clusterboard prototype, maybe it helps others working on this...
Maybe someone can verify this against the schematics again...
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