[Gpio questions on useage]

I am looking for some recommendations for using the Gpio on the opi PC ( with uname -r 5.7.15-sunxi )

The project is to open and close a glass house door using a temperature probe ( ds18B20 ) and a relay control board ( opto coupled with active low input ).
Later I will add automatic watering relay board.

 

The pins I would like to use are

Inputs

PC0     used for ds18B20   (SPI0_MOSI)    because it is an Input

PC4    Door closed switch         Internal pullup            
PC7    Door is fully open switch     Internal pullup
PC3     Input to be used later(SPI0_CS) Innternal pullup

 

Outputs
PD14            output  MC  motor close door
PC1     (SPI0_MISO)    output  MC  motor close door    because it is an output

Proposed outputs to be used later

PA0    (UART2_TX/JTAG_MS/PA_EINT0)    
PA11    (TWI0_SCK/DI_TX/PA_EINT11)
PA13 (SPI1_CS/UART3_TX/PA_EINT13)
    
PG6    (UART1_TX/PG_EINT6)

 

Data  from Allwinner H3 Datasheet

 

I am using these commands to set inputs
echo 71 > /sys/class/gpio/export
echo "in" > /sys/class/gpio/gpio71/direction

 

My questions are:
1) what do you think of the chosen pins?
2) Do I need to do anything to configure inputs to use pullups?
3) How can I set output pins to start out as high so as not to trigger the relay on startup?
    I am trying to use  for outup
                  echo 110 > /sys/class/gpio/export                #    pin12    PD14    MCD o/p relay    110
                  echo "out" > /sys/class/gpio/gpio110/direction
                  echo 1 > /sys/class/gpio/gpio110/value    
which causes the relay to turn ON then OFF

 

Thanks for all of your advice
Dave
 

[opi+2e how do i install mainline kernel to check out containers]

opi+2e

What is the best way to install a mainline kernel so that I can check out containers?

I tried to install mainline kernel and ended up with a blank screen

I then installed a nightly and it is just cli so I installed open box by

ssh root@10.x.x.x9 apt-get install openbox obconf

and now i get a blank screen also

what is the best way to get a gui with mainline kernel?

 

Thanks for your help

Dave

 

[OrangePi plus2e how do I get hardware acceleration to work in smplayer?]

Thanks for all of your  help

 

Dave

 

[OrangePi plus2e how do I get hardware acceleration to work in smplayer?]

Thanks Bozden

mpv --fs --vo=vdpau --hwdec=vdpau /path/to/file

 

works very well

 

The problem is a lack of an easy to use interface.

as well as the video is on all desktops that is why I prefer to use smplayer

is it posible to use --vo=vdpau --hwdec=vdpau in smplayer?

 

Dave

[OrangePi plus2e how do I get hardware acceleration to work in smplayer?]

I had looked at http://linux-sunxi.org/Cedrus  before. That is why I am confused with the video playback.

I just noticed that it talks about dev/mainline kernel.

I am still using the legacy kernel

 

Linux orangepiplus2e 3.4.113-sun8i #18 SMP PREEMPT Thu Jun 15 02:16:06 CEST 2017 armv7l armv7l armv7l GNU/Linux

 

Dave

[OrangePi plus2e how do I get hardware acceleration to work in smplayer?]

I Installed    armbian_5.25_orangepiplus2e_ubuntu_xenial_default_3.4.113_desktop.7z

 

How can I find out which codec is being used?

 

Thanks for your help

Dave

 

[OrangePi plus2e how do I get hardware acceleration to work in smplayer?]

OrangePi plus2e

how do I get hardware acceleration to work in smplayer?

I am recording tv using tvheadend  and trying to play back using smplayer.

I have tried the available options for video output driver and X11 (slow) is by far the best but is not useable as there is still alot of stuttering.

top shows 138% mpv usage

vdpau is colored almost horizontal lines

 

All help is appreciated

 

Dave

 

[Orange Pi Plus 2e How do I clone the SD card]

Thanks igor for the link

I assume there is no other menu program to choose which boot option is available?

Dave

[Orange Pi Plus 2e How do I clone the SD card]

Orange Pi Plus 2e How do I clone the SD card and both have boot capability?

 

I am new to the concepts of Pi's so I am looking to slowly add abilities to the pi and have a working clone which I can use when I stuff it up.

 

I have also seen no mention of grub being used anywhere.

My main computer is a amd 64 with Debian running but I can use my laptop with win 8.1 on it but would prefer a solution which I can use on Debian

 

Thanks for your help

Dave

[How do I set up the time?]

How do I close the topic?

Dave

[How do I set up the time?]

Thanks for your help martinayotte

It is running.

The problem was I changed Routers and it blocked access.

New router is now reconfigured.

What a waste of 4 hours.  LOL

 

Dave

[How do I set up the time?]

I have a orange pi plus 2e

The time  was ok a few days ago but now it is off by - 12 hrs +53 minutes which is before gmt

thanks for your help

Dave

Do I need to open a port in the router?