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Questions tagged [nanopi]

use for programming questions specifics to NanoPi boards

36 questions
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Pyinstaller can't find target architecture when building bootloader

Let me explain what I did first. As most people do, I first used pip to install pyinstaller. pip3 install pyinstaller Everything seemed fine. It exited with "finished successfully" message. I then tested it with a simply python code. It went all…
Oliver
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Problem with using RPi.GPIO_NP python-lib on NanoPi NEO Air

I use NanoPi NEO Air Version: Linux version 4.19.20-sunxi (root@armbian.com) (gcc version 7.2.1 20171011 (Linaro GCC 7.2-2017.11)) and when I try to import this lib in my code I have an import error. root@PC_22:# sudo apt-get install…
MelioraHS
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How to make MPI sending cross platform

I have a program that I am writing in python that utilizes multiple different PI boards. The main one is a raspberry pi running on raspios-buster-lite-armhf. However, the nodes are all Nano Pi's running on sd-friendlycore-xenial-4.4-arm64. I would…
Sam Moldenha
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Can you Desolder and replace RAM in Pi boards?

Friendly Electronics has come out with a great small compact but very powerful board. It is called the Nano Pi fire 3. It has 8 cores which is great for programers like myself who want to utilize the cores for clusters and multiprocessing AI…
Sam Moldenha
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Is using swap space a good idea in a python program?

I am currently writing a python program that uses up a lot of RAM. I am aware that I could use the garbage collector to "free up" the ram and avoid this problem. However, I am using Numba to speed up my code, which makes the part where I would need…
Sam Moldenha
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How to add appArmor to linux distributions

I am trying to add appArrmor to my img (instructions). This is the .config file that my device use. I have add CONFIG_SECURITY_APPARMOR=y CONFIG_SECURITY_APPARMOR_HASH=y CONFIG_SECURITY_APPARMOR_HASH_DEFAULT=y…
Guy Luz
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Hardware and Network issue related to NanoPi NEO Core2

I am developing a video streaming device that streams video to youtube. For this, I am using NanoPi NEO Core2 as an SBC. It runs on "Base on UbuntuCore, Kernel: Linux-4.14" os version as mentioned on…
Shubham Bahl
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Image is greenish in opencv capture

I am using NanoPi-M4 board with friendly elec camera and in the guide manufacture tells to use rkisp not V4L2 in gstreamer pipeline in order to get the image. However, I encountered some problems install rkisp in docker container and want to use…
AlexKaravaev
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How to control GPIO without sysfs/library

I am playing with NanoPi NEO Core2 . I installed Ubuntu Core, sysfs is working for GPIO control. But, it seems slow to read/write gpio. I checked WiringNP, but that seems using sysfs system. Can I control the GPIO pin with C/C++/Assembly language?…
Wang Liang
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Copy/Transfer files from local mac to local linux using python

I am trying to automate copy/transfer a file from my local mac machine to a local nanopi-neo-linux machine. The two machine are connected via serial cable using VCP driver of Silicon Labs scp username@192.168.1.111:/path/to/myfile.txt…
Ricky Aguilar
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insmod: ERROR: could not insert module dvb-usb-it913x.ko: Unknown symbol in module

I am trying the device driver for nanopi. I can download the linux source code with git clone https://github.com/friendlyarm/linux.git -b sunxi-4.14.y --depth 1 Also, the make command is work, and genereated the dvb-usb-it913x.ko file, but, I…
Tom Woods
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How reset number of PiD

One thread in my python program check CPU use, in big simplification it look like this: import time import commands while 1: example=commands.getstatusoutput('iostat') time.sleep(1) after few days of work, program stop working,…
Cierniostwor
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How to connect Adafruit SPH0645 I2S to nanopi neo air board

I'm trying to connect an Adafruit SPH0645 I2S microphone to a nanopi neo air board. What are the steps to follow in order to get this mic working on this board? Thanks a lot!
Mihai
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Why is my OV5640 camera picture vertical bars when using Python and OpenCV?

I have a CAM500B OV5640 camera connected to a NanoPi NEO Air board. When using the mjpg-streamer demo that comes with the board, the camera output looks correct. However when trying to take a still picture using OpenCV in Python, the image output…
Nobody Special
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Cannot connect bluetooth remote control to SBC running linux

I am running a buildroot-generated linux image (kernel 4.11.2) on a nanopi NEO air board, and I struggle to connect to my ruwido remote control. I can see it when I scan the devices using hcitool : # hcitool lescan LE Scan…
Prewitt
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