FriendlyELEC-Forum

Posted: **Tue Feb 28, 2017 5:12 am**

I'm trying to use the HardwareController and libfriendlyarm-hardware.so to get access to GPIO.
But it comes with this error: "D/FriendlyARM-HW-Lib: Unable to open file /sys/devices/virtual/gpio/gpio62/direction"
I guess the problem is with the library file which is trying to look into wrong location.
Any solution to this?

Posted: **Wed Mar 22, 2017 8:32 am**

Hi,
We updated the latest 2017-03-08 (4418,6818) img has support android 4 android 5 hardware access library, you can refer to
http://wiki.friendlyarm.com/wiki/index. ... are_Access
Thanks!

Posted: **Wed Mar 22, 2017 2:08 pm**

After installing android 4.4 the problem is solved, apparently the error occurs for Android 5.1

Posted: **Fri May 05, 2017 3:01 am**

Thanks Chensy. The problem is solved. The GPIOexport funtion is also working properly. SPI is working fine as well.

Posted: **Mon May 15, 2017 9:09 am**

chensy wrote:
Hi,
We updated the latest 2017-03-08 (4418,6818) img has support android 4 android 5 hardware access library, you can refer to
http://wiki.friendlyarm.com/wiki/index. ... are_Access
Thanks!

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FriendlyELEC-Forum

GPIO wrong access address

GPIO wrong access address

Re: GPIO wrong access address

Re: GPIO wrong access address

Re: GPIO wrong access address

Re: GPIO wrong access address