Tag Archives: pravjot sir

DEVICE DRIVER

Posted on January 6, 2014 by u.sravan

head    1.3; access; symbols; locks root:1.3; strict; comment @ * @; 1.3 date    2014.01.07.05.55.57;    author root;    state Exp; branches; next    1.2; 1.2 date    2014.01.07.04.44.27;    author root;    state Exp; branches; next    1.1; 1.1 date    2014.01.07.03.22.24;    author root;    state Exp; branches; next    … Continue reading →

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DEVICE DRIVER SCULLDEV ALLOCATION & DEALLOCATION

Posted on January 6, 2014 by u.sravan

module initialization log_file head    1.2; access; symbols; locks root:1.2; strict; comment @ * @; 1.2 date    2014.01.07.04.44.27;    author root;    state Exp; branches; next    1.1; 1.1 date    2014.01.07.03.22.24;    author root;    state Exp; branches; next    ; desc @device driver registerd using alloc_chrdev_region … Continue reading →

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device driver module registration

Posted on January 6, 2014 by u.sravan

module initialization log_file head    1.1; access; symbols; locks root:1.1; strict; comment @ * @; 1.1 date    2014.01.07.03.22.24;    author root;    state Exp; branches; next    ; desc @device driver registerd using alloc_chrdev_region @ 1.1 log @Initial revision @ ______________________________________________________________________________________________________________________________________________________________________ module clean_up log_file … Continue reading →

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Bizarre condition

Posted on October 18, 2013 by Himalaya Batra

whenever i open terminal, this ~~ automatically starts printing on my screen continuously…… it also create very much problem while typing….. and main thing is this is not a hardware problem of my laptop… because this problem was not there … Continue reading →

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Olinuxino:

Posted on October 12, 2013 by Jatinder Kumar

How can i install flex2bin in my host? I tried but getting error in installiation of the this tooll.

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Jatinder Kumar : Porting

Posted on October 10, 2013 by Jatinder Kumar

can anyone tell me how can i set console during loading rootfile system via NFS . I compiled my kernel and set the commandline string as root=/dev/nfs rootwait console=ttyS0,115200n8 and i also try bootargs environment varible of u boot but … Continue reading →

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Taruna : Porting Linux

Posted on October 7, 2013 by taruna

I am porting linux on beaglebone and booting it via network.. I am able to get the uImage via tftp successfully , but when I fetch the rootfs through nfs , I am unable to get the output on the … Continue reading →

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Taruna

Posted on October 1, 2013 by taruna

Able to fetch the uImage using tftp on beaglebone… and boot it finally

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Character Driver Article

Posted on July 21, 2013 by ashish.verma

Article On Character Driver This Article is based on how I implemented character driver till now. First of all we have to know actually what a driver Is. Let take a example in real world we have a man who … Continue reading →

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30.1.30: Jatinder Kumar

Posted on July 20, 2013 by Jatinder Kumar

From last two weeks i am working on Character Driver. What is device driver and need of driver? From my knowledge device driver is nothing but piece of code that runs the device . Every device need that code to … Continue reading →

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30.01.30 : Taruna

Posted on July 20, 2013 by taruna

Character-driven drivers are device drivers that operate on characters (bytes) as the basic unit of input and output. They are accessed in a sequential, non-random manner.   I started writing my first character driver by writing the simplest module – … Continue reading →

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30.01.30 : Taruna

Posted on July 17, 2013 by taruna

RCS file: lkm.c,v Working file: lkm.c head: 1.18 branch: locks: strict access list: symbolic names: keyword substitution: kv total revisions: 18; selected revisions: 18 description: Created the base module. Used alloc_chrdev_region and register_chrdev_region to register the driver and unregistered it … Continue reading →

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Character Driver

Posted on July 15, 2013 by ashish.verma

Done with write call RCS File head 1.8; access; symbols; locks; strict; comment @ * @; 1.8 date 2013.07.14.10.18.16; author Ashish; state Exp; branches; next 1.7; 1.7 date 2013.07.13.07.47.07; author Ashish; state Exp; branches; next 1.6; 1.6 date 2013.07.11.08.29.33; author … Continue reading →

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Character Driver

Posted on July 11, 2013 by Om Parkash

RCS file: chard.c,v Working file: chard.c head: 1.5 branch: locks: strict access list: symbolic names: keyword substitution: kv total revisions: 5;     selected revisions: 5 description: registered and unregistered devices using alloc_chrdev_region and unregis_chrdev_region. implemented scull_setup function. implemented scull_open routine. started … Continue reading →

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Ranjeet Singh

Posted on July 8, 2013 by pratap.ashish

RCS file: header2.h,v Working file: header2.h head: 1.9 branch: locks: strict access list: symbolic names: keyword substitution: kv total revisions: 9; selected revisions: 9 description: This is the header file for loadable kernel module. —————————- revision 1.9 date: 2013/07/09 18:01:36; … Continue reading →

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