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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.

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32
votes
4answers
42k views

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? ...
20
votes
3answers
28k 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 ...
12
votes
2answers
19k views

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?
3
votes
3answers
3k 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/...
6
votes
3answers
3k 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 ...
4
votes
2answers
3k 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 ...
3
votes
1answer
6k 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 ...
6
votes
3answers
5k 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/...
4
votes
1answer
1k views

Periodic task in kernel module

I currently developing a gpio based kernel module for a custom protocol. As per requirements of protocol, I have to send data, clock and enable signal to output device throgh gpio. This data is 16-bit....
5
votes
1answer
8k views

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 ...
4
votes
3answers
4k views

LIRC remote control won't send (irsend: hardware does not support sending)

I'm trying to build a TV remote control using Raspberry Pi, and I get the following error when I try to send a command: pi@raspberrypi:~$ irsend SEND_ONCE Samsung_BN59-00937A KEY_POWER irsend: ...
2
votes
1answer
4k 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 ...
1
vote
0answers
40 views

Raspbian is loading the wrong modules for wlan0 and wlan1 [duplicate]

I have a few Pis running Raspbian 4.4.50-v7+ with a USB module attached. I would like wlan0 to be the Wi-Fi chip and wlan1 to be the USB module. It seems that sometimes it works, but other times it ...
0
votes
1answer
120 views

It is possible to stack two different Add-Ons in Raspberry Pi 3?

I need to create a project that has GPRS/GSM and GPS, but there are no products with both functionalities. I found some Add-Ons that may work but I'm not sure if there is any way to stack both. I know ...