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How to write an Hello world driver for linux

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linux-howto

http://stackoverflow.com – Recently I'm much excited about linux. I would like to learn how to write simple linux drivers.I know C and python . I'm using ubuntu 11.10 (3.0.0-12-generic kernal). My Doubts What are the requirements to need to develop and study simple linux driver programs I see may tutorials.But that all are not good in beginner level.Could you please suggest a better tutorial exactly for beginners. How compile , run and see whether my driver is working. (HowTos)

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Submitted by dadebian on 01/11/2013 – Made popular on 01/11/2013

Stories similar to How to write an Hello world driver for linux

Hi, I have to develop a driver for a custom FPGA we are developing. I'm cross compiling for an ARM processor (AT91SAM9G20 using uCLinux 2.6.30), but I think my question applies to Linux drivers generally.

Hi all,

Recently I got interested in Linux drivers and how they are developed.

I am a beginner to linux networking stack and kernel programming.

I want to learn more about 802.11mac and wireless driver development. Currently, I am looking at some code in /linux-3.6/drivers/net/wireless and linux-3.6/net/mac802.11.

I have a very good knowledge of networking protocols/theory and have very good C programming fundamentals too.

I have some doubt about Linux gadget printer. when I use device in windows,is correctly seen as printer, but what kind of driver I must insert?

must change linux-cdc-acm.inf?

must I insert a generic driver?

must write a driver? how I must do?

I'm confusing about use of g_printer!!

Thanks

I am trying to write linux i2c drivers for omap4460 panda board. Interfacing Hmc5883l sennsor to omap through i2c interface. Do I need to write only the client diver or both client and bus driver. I am using linux ubuntu on panda board. Kidly give me pointers where do i start with.

Thanks.

Hi, I am a beginner of linux driver development, now I am using Ubuntu 12.04 LTS, the core of linux is 3.2.0-31 Generic, when I compile my first linux driver, I met a conflict issue that my kernel source code is conflict with my current ubuntu version.

so, can anyone help me? where can I download the source code of 3.2.0-31 Generic?

I am trying to install the drivers for the Broadcom Crystal HD decoder card in my Asus EeePC. I'm following these instructions, which worked in 10.10, but aren't working now.

I have headphones with three buttons on them which allow me to control my music player with my phone. I want to write a driver for my headphones to make it control my music player on my pc (Ubuntu Linux).

So I think I should write a special program for my device. I have some basic knowledge about kernel programming and Linux device drivers.

android NDK driver 15 weeks 5 days ago

i need to compile android(linux) drivers using NDK. i could compile ordinary codes such as simple hello jni ,...

but when i tried to compile driver codes some error apears:

D:/Android/Android/MyProjects/test1/SPI-S3C/jni/linux/thread_info.h:26: error: expected specifier-qualifier-list before 'u32'

it seems that some *.h files are missing but all include files have been copied to local include