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| RPi.GPIO with C |
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Posted by: Wolfenstein - 08-14-2016, 02:26 PM - Forum: Pi2, Euler and Exp GPIO Ports
- Replies (4)
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Related to this thread http://forum.pine64.org/showthread.php?tid=723 I am trying to build and use the functions in C. I copied all files from RPi.GPIO-PineA64/source and I made these files
test.c
Code: #include "c_gpio.h"
#include "test.h"
int main(void)
{
printf("testfunktoin()=%i\n", testfunktion());
setup();
return 0;
}
Code: HEADERS = test.h c_gpio.h
OBJECTS = test.o c_gpio.o
default: test
%.o: %.c $(HEADERS)
gcc -c $< -o $@
test: $(OBJECTS)
gcc $(OBJECTS) -o $@
clean:
-rm -f $(OBJECTS)
-rm -f test
Code: int testfunktion(void)
{
return 44;
}
And I get this compile error:
Code: $ make
gcc test.o c_gpio.o -o test
c_gpio.o: In function `setup':
c_gpio.c:(.text+0x40): undefined reference to `pinea64_found'
c_gpio.c:(.text+0x44): undefined reference to `pinea64_found'
c_gpio.c:(.text+0x2cc): undefined reference to `pinea64_found'
c_gpio.c:(.text+0x2d0): undefined reference to `pinea64_found'
c_gpio.o: In function `clear_event_detect':
c_gpio.c:(.text+0x378): undefined reference to `pinea64_found'
c_gpio.o:c_gpio.c:(.text+0x37c): more undefined references to `pinea64_found' follow
collect2: error: ld returned 1 exit status
makefile:12: recipe for target 'test' failed
make: *** [test] Error 1
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| What should I see on login? (Missing stuff, I think) |
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Posted by: TheGear - 08-14-2016, 01:45 PM - Forum: Debian
- Replies (2)
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First, thanks to Lenny for his answers in thread 1143, regarding changing screen resolution.
I want to make sure I'm seeing everything on the screen that I'm supposed to. My guess is that something is being truncated off the top and/or bottom. I haven't been able to accomplish useful work yet except via the terminal.
Here's what's on the screen when I log in:
the Pine64 logo
Computer
Debian's home
Trash
A couple of these are truncated on the left side by the edge of the screen. Nothing else. No menu bars, no shutdown buttons, nothing. Is this correct?
Similar to another person in thread 1143, my monitor does not have controls to allow adjusting width and height of the image.
Thanks for your help
Bill in SoFla
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| New to the Pine64 : Distro recommendation |
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Posted by: Charles_2016 - 08-14-2016, 12:51 PM - Forum: Getting Started
- Replies (5)
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I am new to the world of one board computer and the Pine64 is my first experience.
I have purchase a 1GB and a 2GB model with one Wifi board.
I have put small heatsinks on both processor
Using the linux dd command, I successfully burned a RemixOs on a 16GB class 10 micro-SD card and I am able to boot busing my HDMI TV
But they are is very slow. Much slower than expected.
I am looking for a suggestion for another distribution that would be faster (more responsive) than RemixOs.
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| For packet loss in 1GbE |
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Posted by: kometchtech - 08-14-2016, 05:17 AM - Forum: Ubuntu
- Replies (1)
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Hi, all
Also on the debian image it is to reproduce in Ubuntu image, but if you use the Ethernet in the 1GbE, packet loss will occur as follows.
Code: 64 bytes from nrt12s13-in-f196.1e100.net (172.217.25.196): icmp_seq=31 ttl=55 time=4.20 ms
64 bytes from nrt12s13-in-f196.1e100.net (172.217.25.196): icmp_seq=33 ttl=55 time=4.12 ms
64 bytes from nrt12s13-in-f196.1e100.net (172.217.25.196): icmp_seq=34 ttl=55 time=3.90 ms
64 bytes from nrt12s13-in-f196.1e100.net (172.217.25.196): icmp_seq=35 ttl=55 time=4.03 ms
^C
--- www.google.com ping statistics ---
35 packets transmitted, 32 received, 8% packet loss, time 34055ms
rtt min/avg/max/mdev = 3.864/4.070/4.478/0.189 ms
Code: $ uname -a
Linux dns02.kometch.local 3.10.102-2-pine64-longsleep #66 SMP PREEMPT Sat Jul 16 10:53:13 CEST 2016 aarch64 aarch64 aarch64 GNU/Linux
When secured to the 100MbE, but the problem is to eliminate, what this problem is a known problem?
Best regards .
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| ABS cases - shipping news |
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Posted by: janeku - 08-14-2016, 02:06 AM - Forum: Shipment Related Discussion
- Replies (1)
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Hello to every one.
I did not see any information regarding missing ABS cases except info that they will be shipped starting end of July. Today is August 14th.
Has any one received confirmation e-mail his ABS case has been shippdor still nothing ?
Sending e-mail to Pine company is useless knowing their response time and pattern answer we get every time on our questions.
Regards,
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| Losing WiFi Connection on Android Everytime |
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Posted by: mribunal - 08-13-2016, 03:33 PM - Forum: Wifi/BT Module
- Replies (4)
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My Pine64+ 2GB (Android) & wifi module worked out of the box. There was no problem for the first 2 weeks or so.
But I am recently having a problem with losing internet connection. What has been working is reseating the module & the SD card. When I do those, the wifi connection works fine, although poorly.
The wifi is ok for the duration of my use session. The next time I use my Pine64 again, I'm back to square one with my wifi connection problem.
My Pine64+ & Verizon FiOS Quantum router can see each other. Attempt to ping the Pine64 from the router is unsuccessful, though.
Is there any troubleshoot I can do to address the issue. Obviously, the WiFi module works, but does not work all the time. I hope this is just a software issue.
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| Audio quality |
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Posted by: ctigs - 08-13-2016, 02:04 PM - Forum: Getting Started
- Replies (3)
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Hello everyone.
Just got my 2G board with wifi module. Took me a while to get it stable (bad power cable).
I finally got remix to load and run but when I plug in external speakers and try youtube, the audio os horrible.
It's got bass, but there's a reverb/echo to it, almost no midrange, and very emphasized high end. My speakers are dual port, and are the same ones on my main pc.
They are plugged into both systems (works fine with the PC and a phone at the same time, don't say that's why it's doing it).
I use the youtube app and play a video and the audio is so bad I can't listen to it. The HDMI output *seems* ok but that's a really cheap 32" tv with cheesy speakers, so . . .
I play the very same video on my pc, it sounds great. I try the chrome browser and youtube.com, and it's "a little better" but still really bad.
it's the most recent remix OS from the pine64.com website.
I'll try linux to see if it's the OS or the board.
Any ideas would be greatly appreciated.
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