Questions tagged [modules]

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.

126 questions
35
votes
4 answers

How do I load a module at boot time?

As stated in Why is my Audio (Sound) Output not working? , to initialise the sound driver, you must run sudo modprobe snd_bcm2835 every time you want to output sound. How do I get this to run on boot? (i.e. before logging in and without any input)
Alex Chamberlain
  • 15,648
  • 15
  • 70
  • 115
23
votes
3 answers

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 it reports Invalid module format when I try to…
Edward
  • 961
  • 1
  • 6
  • 25
15
votes
6 answers

Installed pyusb, still: 'ImportError: no module named core'

On my Raspberry Pi I installed libusb and pyusb via sudo apt-get install libusb-dev python-usb . But running some Python code ( pyrow , to read data from a rowing machine) gives me this error at import usb.core : ImportError: no module named core…
A. Goossens
  • 293
  • 1
  • 2
  • 9
15
votes
2 answers

How to make raspbian load the i2c-dev module on boot up

I have installed 2012-07-15-wheezy-raspbian, and the i2c-dev module and i2c_bcm2708 are there and work with i2c-tools. How do I get the i2c-dev module etc. to load at bootup?
John La Rooy
  • 12,025
  • 9
  • 50
  • 78
9
votes
2 answers

Cannot Use SPI frequency above 500 kHz

I am running Arch Linux ARM on a Raspberry Pi 2 Model B, and I am attempting to communicate with a TFT display. I am writing a kernel module to interface with the display using SPI, and it works, but I cannot get the SPI frequency to go above 500…
j_lentini
  • 149
  • 1
  • 6
9
votes
3 answers

Enabling audible terminal bell/beep on wheezy

I am trying to enable an audible terminal bell/beep through the 1/8" mini-rca audio out (headphone jack) on debian wheezy with the rapsberry pi model b. Normal audio works as expected, when playing a shockwave file in Midori with gnash for example.…
humbolight
  • 251
  • 1
  • 2
  • 8
9
votes
3 answers

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 realised the module development kit doesn't not come…
Dennis
  • 383
  • 1
  • 6
  • 14
8
votes
5 answers

How to make PCM5102 DAC work on Raspberry Pi ZeroW?

I purchased a PCM5102 for my PiZeroW, but having problems finding complete driver software information voltage information wiring information. I chose this particular unit because they seemed very popular on Ebay when talking about adding I2S sound…
null
  • 207
  • 1
  • 2
  • 9
6
votes
3 answers

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/modules/3.18.7+/build: No such file or directory. Stop…
EngineerN
  • 81
  • 1
  • 5
6
votes
3 answers

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 or GSM / GPRS and RPI, previous TTL-USB wire. Is…
Enrique Marin
  • 61
  • 1
  • 2
5
votes
1 answer

Docker Daemon fails to run - containerd will not start

Fairly new to Linux. Trying to run Docker on a raspberrypi. sudo service docker status docker.service: Job docker.service/start failed with result 'dependency'. sudo systemctl list-dependencies docker container.d not started sudo systemctl start…
Sidereal
  • 161
  • 1
  • 5
5
votes
1 answer

How can I setup the video / graphics on the Raspberry Pi 3?

There seem to be redundant accelerated video module options for the Raspberry Pi 3. I read that the Raspberry Pi uses a device tree (a rather clever solution for ARM systems which do not have the standardized PCI bus). There are two different kernel…
Jonathan Komar
  • 512
  • 2
  • 5
  • 15
5
votes
2 answers

Can Compute Modules provide clustering and high 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 to create their own PCB ". Does this mean it is…
smeeb
  • 645
  • 3
  • 10
  • 22
5
votes
2 answers

Connection for 6 raspberry pi camera modules?

Any ideas, I want to configure 6 cameras for 360 degree view
Papirus747
  • 51
  • 1
  • 2
5
votes
2 answers

how to access to the configuration of my raspberry pi os lite

Hello I want to access the menuconfig of the raspberry pi os lite, but I had this error root@raspberrypi:/# make menuconfig make: *** No rule to make target 'menuconfig'. Stop. root@raspberrypi:/# I want to see the configuration of this os is it…
mina
  • 395
  • 2
  • 5
  • 14
1
2 3
…
8 9