EmbLogic » Subhash Duhan https://www.emblogic.com/blog Embedded System and ARM Training Tue, 03 Mar 2020 13:00:06 +0000 en-US hourly 1 http://wordpress.org/?v=3.9.1 Successfully done quick_sort https://www.emblogic.com/blog/04/successfully-done-quick_sort/ https://www.emblogic.com/blog/04/successfully-done-quick_sort/#comments Sun, 26 Apr 2015 11:20:32 +0000 http://www.emblogic.com/blog/?p=12636 Continue reading →]]> RCS file: ./quick_sort.c,v
Working file: ./quick_sort.c
head: 1.4
branch:
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keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
include the header file
then define fxn prototype named qsor fxn
start the main fxn and decare the integer varible and a arr[20],i,and size
printf the size of artay element
then give the array element using for loop
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revision 1.4 locked by: root;
date: 2015/04/26 13:41:24; author: root; state: Exp; lines: +2 -2
after sortinthe index the value assign the value to arr[pivot] to temp
and then arr[j]to arr[pivot]
and after this give the fxn to the main()
and print the value of sorted array
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revision 1.3
date: 2015/04/26 13:35:14; author: root; state: Exp; lines: +3 -3
compare the arr[i]arr[pivot] using another while loop
and decrease the value of j by 1;
then comapre if(i<j)and swap the aaray index using temp varible
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revision 1.2
date: 2015/04/26 13:31:47; author: root; state: Exp; lines: +4 -4
give the defination of qsort fxn and pass the arrgument throw the fxn
int fst ,last and mid,declare these varible
and also i,j for index and a pivot varible for sorting
assign the pivot value mid to it
then comapre the if(i<j)
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revision 1.1
date: 2015/04/26 13:29:54; author: root; state: Exp;
Initial revision

]]> https://www.emblogic.com/blog/04/successfully-done-quick_sort/feed/ 0 successfully Registering and Initialization of driver….. https://www.emblogic.com/blog/04/successfully-registering-and-initialization-of-driver/ https://www.emblogic.com/blog/04/successfully-registering-and-initialization-of-driver/#comments Sat, 25 Apr 2015 10:26:12 +0000 http://www.emblogic.com/blog/?p=12628 Continue reading →]]> RCS file: ./init.c,v
Working file: ./init.c
head: 1.6
branch:
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keyword substitution: kv
total revisions: 6; selected revisions: 6
description:
decalre the header.h and declerations.h
and decalre the dev_t dev nad a struct file_operation fp
and three integer type varibles
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revision 1.6 locked by: subhash;
date: 2015/04/25 12:55:00; author: subhash; state: Exp; lines: +2 -2
then add operation is adding to the device
and extract the minor and major number from the dev
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revision 1.5
date: 2015/04/25 12:52:50; author: subhash; state: Exp; lines: +2 -2
then sdev->cdev.ops=&fp with the file operation
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revision 1.4
date: 2015/04/25 12:47:19; author: subhash; state: Exp; lines: +2 -2
give the memeset call for initializing the aloccting memory with null
after initialize the cdev_init fxn
give the cdev.owner their on address space by the THIS_MODULE
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revision 1.3
date: 2015/04/25 12:44:22; author: subhash; state: Exp; lines: +2 -2
initialze the varibles with their macros that is declare in the header.h
and give the kmalloc call to allocate the memory space int the kernel memory
check it whether the meomory is allocating or not
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revision 1.2
date: 2015/04/25 12:42:09; author: subhash; state: Exp; lines: +4 -4
give the initialization fxn call
in it give alloc_chrdev_region to register the device
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revision 1.1
date: 2015/04/25 12:41:06; author: subhash; state: Exp;
Initial revision
=============================================================================

RCS file: ./clean.c,v
Working file: ./clean.c
head: 1.4
branch:
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keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
declare the header.h and decleration.h
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revision 1.4 locked by: subhash;
date: 2015/04/25 12:37:37; author: subhash; state: Exp; lines: +1 -1
give the cdev_del call for delete the add fxn to the device
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revision 1.3
date: 2015/04/25 12:36:11; author: subhash; state: Exp; lines: +3 -3
after allocating the memory to the device then in exit fxn give free call to realise the memory
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revision 1.2
date: 2015/04/25 12:33:47; author: subhash; state: Exp; lines: +1 -1
give the exit function call
and after that give the unregister call to the for the register device
and at last give exit function defination .
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revision 1.1
date: 2015/04/25 12:32:13; author: subhash; state: Exp;
Initial revision
=============================================================================

RCS file: ./header.h,v
Working file: ./header.h
head: 1.3
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total revisions: 3; selected revisions: 3
description:
declare the

and
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revision 1.3 locked by: root;
date: 2015/04/25 12:19:24; author: root; state: Exp; lines: +2 -2
initialize the major no macro with 0
and minor number macro with 0
and device name and numner of devices
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revision 1.2
date: 2015/04/25 12:17:40; author: root; state: Exp; lines: +2 -2
give the module license ,module aurhor name and module description
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revision 1.1
date: 2015/04/25 12:17:02; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: ./declerations.h,v
Working file: ./declerations.h
head: 1.3
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total revisions: 3; selected revisions: 3
description:
declare a struct qset
int we have one qset pointer and a doublr data pointer
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revision 1.3 locked by: root;
date: 2015/04/25 12:27:06; author: root; state: Exp; lines: +2 -2
take three extern unsigned int varible
and one dev_t dev
and a extern struct Dev with poniter varible
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revision 1.2
date: 2015/04/25 12:25:16; author: root; state: Exp; lines: +2 -2
declare another struct DEv
and init we srtuct Qset pointer and a struct cdev c_dev varible
—————————-
revision 1.1
date: 2015/04/25 12:24:46; author: root; state: Exp;
Initial revision
=============================================================================

]]> https://www.emblogic.com/blog/04/successfully-registering-and-initialization-of-driver/feed/ 0 connecting the server and client throw the socket…. https://www.emblogic.com/blog/04/connecting-the-server-and-client-throw-the-socket/ https://www.emblogic.com/blog/04/connecting-the-server-and-client-throw-the-socket/#comments Wed, 22 Apr 2015 05:38:48 +0000 http://www.emblogic.com/blog/?p=12587 Continue reading →]]> 4/22 07:57:28; author: root; state: Exp; lines: +2 -2
compute the size of stringRCS file: ./server_test.c,v
Working file: ./server_test.c
head: 1.5
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total revisions: 5; selected revisions: 5
description:
declare the header.h
declare two character array of bufsize
and also declare three integer varible
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revision 1.5 locked by: root;
date: 2015/04/22 08:02:57; author: root; state: Exp; lines: +2 -2
give the fork call
for the reading and writing the data from clint side
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revision 1.4
date: 2015/04/22 08:00:01; author: root; state: Exp; lines: +2 -2
give bind call and listen call for queue
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revision 1.3
date: 2015/0
also assign the type of network
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revision 1.2
date: 2015/04/20 08:36:04; author: root; state: Exp; lines: +2 -2
create socket and check its file descriptor
—————————-
revision 1.1
date: 2015/04/20 08:35:07; author: root; state: Exp;
Initial revision
=============================================================================

]]> https://www.emblogic.com/blog/04/connecting-the-server-and-client-throw-the-socket/feed/ 0 Implementing the socket programming using loopback https://www.emblogic.com/blog/04/implementing-the-socket-programming-using-loopback/ https://www.emblogic.com/blog/04/implementing-the-socket-programming-using-loopback/#comments Fri, 17 Apr 2015 12:02:36 +0000 http://www.emblogic.com/blog/?p=12568 Continue reading →]]> RCS file: ./server.c,v
Working file: ./server.c
head: 1.5
branch:
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total revisions: 5; selected revisions: 5
description:
declare all the header files
declare the integer and character varible
also give the varible name of the structure
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revision 1.5 locked by: root;
date: 2015/04/17 14:23:58; author: root; state: Exp; lines: +2 -2
use while loop for reading the data from clint side
after readind write it to the clint
—————————-
revision 1.4
date: 2015/04/17 14:21:40; author: root; state: Exp; lines: +2 -2
give the bind call
after binding give listen acll
after listen give accept call and accept make the new_fd for execlusively to the clint
—————————-
revision 1.3
date: 2015/04/17 14:19:55; author: root; state: Exp; lines: +2 -2
assign the family to the structure type
and give the port number
—————————-
revision 1.2
date: 2015/04/17 14:18:08; author: root; state: Exp; lines: +4 -4
create the socket
and check whether it is created or not
—————————-
revision 1.1
date: 2015/04/17 14:17:19; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: ./clint.c,v
Working file: ./clint.c
head: 1.5
branch:
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total revisions: 5; selected revisions: 5
description:
declare the headr files
declare the varibles
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revision 1.5 locked by: root;
date: 2015/04/17 14:32:06; author: root; state: Exp; lines: +2 -2
use while loop for writing the data for the server
after this the server respond the request and we read here
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revision 1.4
date: 2015/04/17 14:30:42; author: root; state: Exp; lines: +2 -2
give the connect call for giving the data to he server
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revision 1.3
date: 2015/04/17 14:28:18; author: root; state: Exp; lines: +2 -2
assign the type of structure family
then give the IP address of the server
and also give the port numbr of the server
—————————-
revision 1.2
date: 2015/04/17 14:27:05; author: root; state: Exp; lines: +4 -4
create a socket
and check that the socket is creat or not
—————————-
revision 1.1
date: 2015/04/17 14:26:17; author: root; state: Exp;
Initial revision

]]> https://www.emblogic.com/blog/04/implementing-the-socket-programming-using-loopback/feed/ 0 implimenting sockets by using AF_UNIX DOMAIN https://www.emblogic.com/blog/04/implimenting-sockets-by-using-af_unix-domain/ https://www.emblogic.com/blog/04/implimenting-sockets-by-using-af_unix-domain/#comments Thu, 16 Apr 2015 09:49:51 +0000 http://www.emblogic.com/blog/?p=12566 Continue reading →]]> RCS file: 1.c,v
Working file: 1.c
head: 1.6
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keyword substitution: kv
total revisions: 6; selected revisions: 6
description:
here declare the header file ,
give the struct variable name adresss
then declare the integer varible and two char type array variables
—————————-
revision 1.6 locked by: root;
date: 2015/04/16 12:09:10; author: root; state: Exp; lines: +2 -2
use while loop
read the data from new fd and that is come from clint side
then puts the data
after this get the data and write to the clint
—————————-
revision 1.5
date: 2015/04/16 12:07:27; author: root; state: Exp; lines: +2 -2
give the accept call
acept make the new fd for socket for execlusivly clint
—————————-
revision 1.4
date: 2015/04/16 12:05:17; author: root; state: Exp; lines: +2 -2
use strcpy function to give the name of socket
then give the listen call
—————————-
revision 1.3
date: 2015/04/16 12:00:27; author: root; state: Exp; lines: +2 -2
give the bind call
and check it whether it is bind or not
—————————-
revision 1.2
date: 2015/04/16 11:58:48; author: root; state: Exp; lines: +4 -4
give the socket call
and socket retrun the filedescriptor
and check whether the socket is made or not
—————————-
revision 1.1
date: 2015/04/16 11:57:42; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: 2.c,v
Working file: 2.c
head: 1.5
branch:
locks: strict
root: 1.5
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symbolic names:
keyword substitution: kv
total revisions: 5; selected revisions: 5
description:
declare the header file
then declare the struct varible name
declare the integer varible fd
and two character array buff
—————————-
revision 1.5 locked by: root;
date: 2015/04/16 12:18:36; author: root; state: Exp; lines: +2 -2
use while loop
and gets the data and write to the server
then read from the server ad puts the data
—————————-
revision 1.4
date: 2015/04/16 12:17:00; author: root; state: Exp; lines: +2 -2
give the connect call
—————————-
revision 1.3
date: 2015/04/16 12:15:33; author: root; state: Exp; lines: +2 -2
use strcpy function to give the socket name
then calculate the size of struct using a integer type varible
—————————-
revision 1.2
date: 2015/04/16 12:13:34; author: root; state: Exp; lines: +4 -4
creat the socket
check the socket if it is creat or not
then assign the structure varible to the domain
—————————-
revision 1.1
date: 2015/04/16 12:12:56; author: root; state: Exp;
Initial revision
=============================================================================

]]> https://www.emblogic.com/blog/04/implimenting-sockets-by-using-af_unix-domain/feed/ 0 creating nodes… https://www.emblogic.com/blog/03/creating-nodes/ https://www.emblogic.com/blog/03/creating-nodes/#comments Sun, 29 Mar 2015 09:54:23 +0000 http://www.emblogic.com/blog/?p=12494 Continue reading →]]> RCS file: ./linklist.c,v
Working file: ./linklist.c
head: 1.3
branch:
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root: 1.3
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keyword substitution: kv
total revisions: 3; selected revisions: 3
description:
declare the header file and also delcare the structure in the head.h file
co linklist.c
—————————-
revision 1.3 locked by: root;
date: 2015/03/29 12:21:00; author: root; state: Exp; lines: +2 -2
put the choice into while loop
and make switch cases here
int case first make a inesrt node function
and declare it
then invoke it into first case
then we create the nuber of nodes here
—————————-
revision 1.2
date: 2015/03/29 12:18:42; author: root; state: Exp; lines: +2 -1
take a integer varible choice
then create the a menu list
give the numbering to the choice that 1 for create a node
2 for insert the node
—————————-
revision 1.1
date: 2015/03/29 12:17:20; author: root; state: Exp;
Initial revision
=============================================================================

]]> https://www.emblogic.com/blog/03/creating-nodes/feed/ 0 communication through fifo using one client https://www.emblogic.com/blog/03/communication-through-fifo-using-one-client/ https://www.emblogic.com/blog/03/communication-through-fifo-using-one-client/#comments Fri, 27 Mar 2015 11:42:13 +0000 http://www.emblogic.com/blog/?p=12491 Continue reading →]]> RCS file: fifo.c,v
Working file: fifo.c
head: 1.4
branch:
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root: 1.4
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keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
include all the headerfile and also declare the struct in the header.h file
—————————-
revision 1.4 locked by: root;
date: 2015/03/27 11:30:46; author: root; state: Exp; lines: +2 -2
open the fifo into write only mode and write result into the fifo
for requesting and in requesting read the result from fifo
—————————-
revision 1.3
date: 2015/03/27 11:27:13; author: root; state: Exp; lines: +3 -3
creat a pipe between server and clint process
give the execl call in the child secton
and pass the descriptor fir reading and writing
then write the structure into pipe for processing
affter processing reading the result from pipe into server
—————————-
revision 1.2
date: 2015/03/27 11:18:51; author: root; state: Exp; lines: +2 -2
declare the varible which is required
create a fifo and open the fifo in reading mode
read the structure from requesting fifo and close the fifo here.
—————————-
revision 1.1
date: 2015/03/27 11:17:00; author: root; state: Exp;
Initial revision
=============================================================================

]]> https://www.emblogic.com/blog/03/communication-through-fifo-using-one-client/feed/ 0 create pipe and pass a string threw it.. https://www.emblogic.com/blog/03/create-pipe-and-pass-a-string-threw-it/ https://www.emblogic.com/blog/03/create-pipe-and-pass-a-string-threw-it/#comments Sun, 01 Mar 2015 12:10:20 +0000 http://www.emblogic.com/blog/?p=12386 Continue reading →]]> CS file: pipe.c,v
Working file: pipe.c
head: 1.3
branch:
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total revisions: 3; selected revisions: 3
description:
include all the header file
declare the varible
open a file for rdwr operation
—————————-
revision 1.3 locked by: root;
date: 2015/03/01 14:29:46; author: root; state: Exp; lines: +3 -2
take switch statement and make case
the parent is initiate and the child is initiated
give the execl command after writing the string into pipe
—————————-
revision 1.2
date: 2015/03/01 14:28:14; author: root; state: Exp; lines: +3 -3
creat the pipe
and print the rfd and wfd
then call the fork
—————————-
revision 1.1
date: 2015/03/01 14:27:03; author: root; state: Exp;
Initial revision

]]> https://www.emblogic.com/blog/03/create-pipe-and-pass-a-string-threw-it/feed/ 0 replacing the file https://www.emblogic.com/blog/02/replacing-the-file/ https://www.emblogic.com/blog/02/replacing-the-file/#comments Thu, 26 Feb 2015 12:28:19 +0000 http://www.emblogic.com/blog/?p=12310 Continue reading →]]> RCS file: replace.c,v
Working file: replace.c
head: 1.4
branch:
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keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
include all the header file which are required
then take a file descriptor and a char type varible name as arry buff
then give the open command for a file
print the fd which is return by open commnd
—————————-
revision 1.4 locked by: root;
date: 2015/02/26 14:54:00; author: root; state: Exp; lines: +3 -3
here print the parent is active
the after the child is active
after that use the execl command for replacing the other file
and terminate the program
—————————-
revision 1.3
date: 2015/02/26 14:52:26; author: root; state: Exp; lines: +3 -2
put the switch case statement
—————————-
revision 1.2
date: 2015/02/26 14:47:51; author: root; state: Exp; lines: +2 -2
here we capture the fork into a varible
—————————-
revision 1.1
date: 2015/02/26 14:41:44; author: root; state: Exp;
Initial revision

]]> https://www.emblogic.com/blog/02/replacing-the-file/feed/ 0 compress the file https://www.emblogic.com/blog/02/compress-the-file/ https://www.emblogic.com/blog/02/compress-the-file/#comments Fri, 13 Feb 2015 12:45:43 +0000 http://www.emblogic.com/blog/?p=12160 Continue reading →]]> RCS file: mdc.c,v
Working file: mdc.c
head: 1.9
branch:
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keyword substitution: kv
total revisions: 9; selected revisions: 9
description:
file compressing prg
—————————-
revision 1.9 locked by: root;
date: 2015/02/13 07:28:40; author: root; state: Exp; lines: +2 -2
readinn another varible and compare it to the master arry and put into the varible
then throw sprintf we convert into char
fist we left shift it the right shift
and both two byt varible captured into a third vrible
print the third varible
—————————-
revision 1.8
date: 2015/02/13 07:25:32; author: root; state: Exp; lines: +83 -29
here we read the file again and take while loop
after this we compare the master array variable to the file content
after find take it in a varible and convert into character
after it shifts leftside
—————————-
revision 1.7
date: 2015/02/12 00:48:40; author: root; state: Exp; lines: +2 -2
hare we find the code length
and comparing the code length
—————————-
revision 1.6
date: 2015/02/12 00:46:01; author: root; state: Exp; lines: +5 -5
if the character is not match then realloc the the size of master array
and the character is stored in the master array
and increase the ndc
and also increase the varible comparing wid i
—————————-
revision 1.5
date: 2015/02/12 00:43:19; author: root; state: Exp; lines: +5 -2
here we use the whilr loop for count the number of character
and also use to match the distungih char to the master aarry
if it macht then the loop is going outside
—————————-
revision 1.4
date: 2015/02/12 00:41:17; author: root; state: Exp; lines: +2 -2
hera we read the file and each character of file is assign to master array
—————————-
revision 1.3
date: 2015/02/12 00:38:47; author: root; state: Exp; lines: +2 -2
declaring main fumction and also declaring a char varinbland declaring a master arry ,,and open the file wid file descrptor fd
—————————-
revision 1.2
date: 2015/02/12 00:35:50; author: root; state: Exp; lines: +13 -5
here we include the required header file and declare the variable flobally
—————————-
revision 1.1
date: 2015/02/06 05:25:39; author: root; state: Exp;
Initial revision

]]> https://www.emblogic.com/blog/02/compress-the-file/feed/ 0 making master array and finding the code length https://www.emblogic.com/blog/02/making-master-array-and-finding-the-code-length/ https://www.emblogic.com/blog/02/making-master-array-and-finding-the-code-length/#comments Thu, 12 Feb 2015 09:10:25 +0000 http://www.emblogic.com/blog/?p=12142 Continue reading →]]> RCS file: mdc.c,v
Working file: mdc.c
head: 1.7
branch:
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keyword substitution: kv
total revisions: 7; selected revisions: 7
description:
file compressing prg
—————————-
revision 1.7 locked by: root;
date: 2015/02/12 00:48:40; author: root; state: Exp; lines: +2 -2
hare we find the code length
and comparing the code length
—————————-
revision 1.6
date: 2015/02/12 00:46:01; author: root; state: Exp; lines: +5 -5
if the character is not match then realloc the the size of master array
and the character is stored in the master array
and increase the ndc
and also increase the varible comparing wid i
—————————-
revision 1.5
date: 2015/02/12 00:43:19; author: root; state: Exp; lines: +5 -2
here we use the whilr loop for count the number of character
and also use to match the distungih char to the master aarry
if it macht then the loop is going outside
—————————-
revision 1.4
date: 2015/02/12 00:41:17; author: root; state: Exp; lines: +2 -2
hera we read the file and each character of file is assign to master array
—————————-
revision 1.3
date: 2015/02/12 00:38:47; author: root; state: Exp; lines: +2 -2
declaring main fumction and also declaring a char varinbland declaring a master arry ,,and open the file wid file descrptor fd
—————————-
revision 1.2
date: 2015/02/12 00:35:50; author: root; state: Exp; lines: +13 -5
here we include the required header file and declare the variable flobally
—————————-
revision 1.1
date: 2015/02/06 05:25:39; author: root; state: Exp;
Initial revision
=============================================================================

]]> https://www.emblogic.com/blog/02/making-master-array-and-finding-the-code-length/feed/ 0 CREATING MASATER ARRAY https://www.emblogic.com/blog/02/creating-masater-array/ https://www.emblogic.com/blog/02/creating-masater-array/#comments Fri, 06 Feb 2015 10:50:16 +0000 http://www.emblogic.com/blog/?p=12078 Continue reading →]]> RCS file: mdc.c,v
Working file: mdc.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
file compressing prg
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revision 1.1 locked by: root;
date: 2015/02/06 05:25:39; author: root; state: Exp;
Initial revision
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