Modules extend the functionality of the kernel by loading/unloading into the kernel upon demand and without the need to reboot the system. Device drivers are a prominent example of modules that allow the kernel to access hardware.

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Cross compile hello world module for RPi 2

After downloaded RPi2 kernel $ git clone --depth=1 https://github.com/raspberrypi/linux I've compiled it: $ KERNEL=kernel7 $ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- bcm2709_defconfig $ ...
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65 views

Very Cheap Camera Module or Lens for Raspberry Pi

I have been looking around for any cheap (less than $7) alternative to the official Rasberry Pi camera module. Is there any extremely cheap camera module/feature/extension available for Rasberry Pi? ...
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24 views

How to get UAS driver module

The uas driver module seems to be missing in Raspbian Jessie: pi@raspberrypi:~ $ uname -a Linux raspberrypi 4.1.19-v7+ #858 SMP Tue Mar 15 15:56:00 GMT 2016 armv7l GNU/Linux pi@raspberrypi:~ $ ...
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1answer
74 views

raspberry camera module cannot be opened with device ID

i am trying to run this face recognition code from here! i successfully installed OpenCV on the raspberry, and i used the code before on windows. but here i have the problem with the raspberry ...
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0answers
99 views

ImportError: No module named RPi.GPIO

I have installed RPi.GPIO. The RPi.GPIO works on python independently, but when I try to import RPi.GPIO on opencv2, I get an error: Traceback (most recent call last): File "cam.py", line 2, in <...
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2answers
122 views

Unable to install SimpleCV on Raspberry Pi 3

I've tried multiple times and different ways to install SimpleCV for Python2 on my Raspberry Pi 3. I was able to do this with no problem on RP2. The first method I tried was using pip: sudo pip ...
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17 views

Kernel module still in use afther executing `$ echo 3 > /dev/tlc5947` (reference counting error)

Hellow I'm tring to learn writing kernel modules and device drivers. As a begginig I decided to start by making a driver for my tlc5947 led matrix. From simple kernel module with parameters I moved to ...
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1answer
70 views

How to set pull up/down resistors in a kernel module

Hellow I'm enthusiast newbie in linux kernel modules development. I started writing basic kernel modules that control Pi's gpio. But i came in to sticky situation i need to set pull up/down of pins ...
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1answer
28 views

Error when execute sudo vi /etc/modules

I am following this tutorial I want to enable I2C feature on Raspi2. I need to write some line on modules.conf (.conf ? I don't remember the extension). But executing sudo vi /etc/modules on ...
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1answer
206 views

Verified 4G USB dongles

Is it possible that there are no verified 4G USB dongles for RPI, or the following link is out of date? If so, why is it? If not, where are they listed?
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1answer
74 views

Modules not loaded at boot time

I am currently using Ubuntu 15.10 server (RPi optimized edition) on my RPi2 B. I also bought a display, as suggested in another question. I got the display working by hand, namely activating SPI and ...
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1answer
32 views

Python Winapi Equivalent for Raspbian? (For automatic mouse movements)

I am trying to use Python to generate automatic mouse movements and clicks etc, however on windows I did this by importing winapi. Is there a way I can do this in raspbian? Would love a response, ...
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29 views

My USB2VGA is working - How do I configure X to use that screen?

I have a green screen on my USB2VGA connection (DisplayLink). How do I configure X to use the screen /dev/fb1 which exists? I do not find an xorg.conf.
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188 views

How to load modules on startup?

I have bought a touch LCD from waveshare and am trying to set it up. I have changed my config.txt to enable SPI and set up the touch device: ... dtparam=spi=on dtoverlay=ads7846,cs=1,penirq=17,...
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3answers
62 views

Module loads with modprobe but doesn't in boot

I'm trying to get the 3.5"spotspear Waveshare display working following the guide, (can't have more than 2 links,the name of the guide is "I'd like to have some LCD on my Pi") Problem is that when I'...
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2answers
53 views

RPIO Module installation

I've been trying to install the RPIO module onto my pi. so far, no luck because my pi is without internet at the moment (I only have internet on my laptop through mobile tethering). Does anybody know ...
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1answer
94 views

Can I use an FT232RL USB to TTL adapter with Raspberry Pi for a GPS module?

I am just starting to scratch the surface and attempt to understand TTL and serial data ports in general, and am really just trying to put the pieces together and see if I'm on the right path. First, ...
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0answers
40 views

Making a matplotlib work in an cv environment

I am trying image analysis on the Rpi using opencv and python. For this I am using the two commands source ~/.profile workon cv before doing the work. In this environment, when I try to import ...
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1answer
1k views

How compile a loadable kernel module without recompiling kernel

I have read quite a bit about how to compile a kernel module on (and for) the Raspberry Pi, but I'm still not quite able to figure out why it's not working. I have been able to build the module, but ...
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1answer
4k views

Where do I find the linux headers for an image?

I started with Raspbian 3.18.5 (Wheezy?) and did an rpi update and ended up with 4.1.10 (Jessie?). When I did a sudo apt-get install linux-headers the following packages were available: linux-...
3
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1answer
3k views

RPI2 Kernel module compilation (kernel 3.18.11+ vs 3.18.11-v7+)

I want to recompile a kernel module/driver on my RPI2 for my RPI2. The command uname -a gives me: Linux cpf 3.18.11-v7+ #781 SMP PREEMPT Tue Apr 21 18:07:59 BST 2015 armv7l GNU/Linux Q1) What ...
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692 views

Can I use I2C to connect multiple Arduinos with Wireless Connection

I am very new to stackoverflow and new to using raspberry pi and am in the process of learning how to use it properly. I am currently working with a partner on a project that requires a wireless ...
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2answers
398 views

How do I get the configuration and Module.symvers for a Raspbian kernel to compile a loadable module for my RPI 2?

I installed Raspbian using NOOBS_lite_v1_4.zip on a new microSD. After the initial install I ran sudo apt-get update sudo apt-get upgrade Running "uname -r" tells me I am running Linux version ...
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1answer
191 views

camera board colors issue

i'm using the camera module of the raspberry pi v2 , it's pi NoIR https://www.raspberrypi.org/products/pi-noir-camera/ the problem is that the black color appeared as a purple and other colors are ...
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1answer
134 views

Seeing “modprobe: not found” using nodejs and raspi-io

I'm trying to use the johnny-five Node.js framework with raspi-io to do a hello world example based on this tutorial. Here's my code: var five = require("johnny-five"); var Raspi = require("raspi-io")...
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1answer
434 views

lens for raspberry pi 2 to expand the field of view

Hi all i'm using raspberry pi 2 with raspbian , i'm working on face and eyes detection using opencv and c++ , i want to expand the field of view for the pi official camera module any suggestions will ...
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1answer
575 views

Firmware modules not available in rasbian os

I am working on a project. I have rasbian installed on my raspberry pi. When i do sud lsmod i have no output. I cannot use lirc and i2c module has this require firmware modules.I have to submit the ...
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139 views

Error is raised when I compile simple driver module on Pi itself with a corss-compiled Kernel

I cross-compiled a new Kernel(3.18.10) on Debian Jessie amd64 for RPi2. Later, when I compile a simple Hello-World module with this kernel, however, an error is raised: make -C /lib/modules/3.18.10-...
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61 views

The wifi module stops working [duplicate]

I try to make a line follower using a Pi camera and a Raspberry Pi. But for the beginning I must control the robot on the route. Everything works as it supposed to until yesterday, after doing a ...
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3answers
2k views

NRF24l01 Raspberry Pi and Arduino

I've been trying to make work the NRF24l01 RF module with Raspberry and Arduino, but I can't. This is the version of the module I have: NRF24l01 Module I'm trying to send the data from the Arduino, ...
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1answer
1k views

LIRC - Unable to load module

I have rasbian installed and I'm trying to use LIRC to read from a remote control following this tutorial. http://mvartan.com/2014/11/25/controlling-your-tv-or-any-ir-device-with-raspberry-pi/ I ...
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3answers
3k views

Compile linux module on Raspbian error

I am trying to compile a simple helloworld module on my Raspberry Pi B+ under the 3.18.7+ Kenel. I did it after THIS tutorial. When I try to build my module I have this error : make[1]: *** /lib/...
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1answer
148 views

Raspberry Pi as a PS3 controller

I want to make my raspberry pi to automate GT6 B-spec when I am away from my PS3 however, I cannot find a way how to get my raspberry pi to act as a PS3 controller (I have only found how to use my ps3 ...
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0answers
341 views

Invalid module format error on Raspberry. Kernel 3.10.25+

I am trying to install a module on my Raspberry Pi B+ running with Raspbian. To know the version of the Kernel I run the command uname -a and i got this: Linux raspberrypi 3.10.25+ #622 PREEMPT Fri ...
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2answers
70 views

Modular Raspberry Pi Model

Is there a modular, interchangeable (phone-blocks like) Raspberry Pi out there? I'd like to add and remove stuff from my Raspbery Pi when the prossesor becomes old for example ...
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2answers
7k views

ImportError: No module named GPIO

I have install RPi.GPIO 5.3a from here: https://pypi.python.org/pypi/RPi.GPIO I ran the next code: sudo python setup.py install there are no fails on the installing. I will run the next script: ...
2
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1answer
690 views

Can Compute Modules clustering and availability?

I am very interested in Compute Modules, but have a few concerns: The main press release (linked above) for Compute Modules states that these systems are "primarily designed for those who are going ...
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1answer
136 views

Where can I buy Compute Units?

I see a lot of media hype surrounding Raspberry Pi Compute Units circa April 2014, but to my surprise, I can find no websites (even Ada Fruit) that actually sell them. Additionally, because I can't ...
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2answers
1k views

insmod segmentation fault error each time I insert a basic module

I'm trying to build some kernel modules on RPI, the ismond work fine for some times, now the insmod command crash each time I try to insert a simple module. the kernel module compile without any error ...
2
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1answer
3k views

Designing Raspberry Pi Compute Module with Ethernet capability

I recently got the new Raspberry Pi Compute Module due to the small size and ability to create custom board attaching with it. The application requirement I need is just USB, some I/Os and LAN. I ...
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3answers
1k views

Can the GPIO`s pins be used as another RX and TX?

I am entering the world of Raspberry PI. The reason I write, I require Raspberry connect the GSM / GPRS and GPS Fruit Adan (The 3 together) module. So far, I've only managed to connect the GPS and RPI ...
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0answers
64 views

Why were camera and display adapters not incorporated into official IO board?

Camera and display adapters have to be used with the official IO board in the "Raspberry Pi Compute Module Development Kit" (see product page). When I look at the schematics of the adapter boards they ...
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0answers
284 views

Jasper Problems

I trying to run the Jasper Platform which is an open source platform for voice-controlled applications. It enables anyone with a Raspberry Pi to create always on, Siri-like applications with just a ...
2
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0answers
617 views

pcm512x module problem, blacklisting it doesn't help

I keep having the following message during boot, reboot and I see in dmesg log. pcm512x 1-004c: Failed to reset device: -5 I'm on the ArchLinux ARM. I've been googling, found this, unfortunately ...
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0answers
139 views

Radio connection - NRF2401A

I am struggling to create the radio connection between RPi (rev 2.0, latest Raspbian Wheezy) and Atmega8A. I have modules based on NRF2401 (TLX2401 datasheet). The library on RPi side is RF24, ...
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2answers
5k views

Connection for 6 raspberry pi camera modules? [closed]

Any ideas, I want to configure 6 cameras for 360 degree view
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2answers
443 views

Trouble with rpi-source (hello world kernel module)

the first time I ran rpi-source (https://github.com/notro/rpi-source/wiki) I had no trouble at all getting the hello world kernel module to run. I deleted the kernel headers, and when I now run rpi-...
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78 views

What's the difference between Rpi kernel source and Rpi distro kernels?

I need a specific kernel module (driver for a USB grabber), which is included in kernel 3.12. So, I went for Pidora, which features kernel 3.12 but was surprised, that the module wasn't included in ...
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3answers
2k views

DHT11 module compilation error

I try to compile the source code of DHT11 module given in [https://www.endian.se/content/?p=127] . I have followed the step of KERNEL compilation in [[http://bchavez.bitarmory.com/archive/2013/01/16/...
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1answer
622 views

GPS module IM131227001 only logging

i buy RPI GPS Add-on IM131227001 and when i connect it into RPI then GPS module start logging this: May 8 13:57:53 raspi kernel: [ 554.811792] SysRq : HELP : loglevel(0-9) reboot(b) crash(c) ...