EmbLogic » salathia 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 To VARUN SIR — Board Bring Problem https://www.emblogic.com/blog/09/to-varun-sir-board-bring-problem/ https://www.emblogic.com/blog/09/to-varun-sir-board-bring-problem/#comments Thu, 13 Sep 2012 10:27:13 +0000 http://emblogic.org/blog/?p=5283 Continue reading →]]> i have already bring the board with the images given by you with 4GB and 2GB SD Card. Now I have got a delay after booting with 8GB SD Card….. as :

Starting Kernel……..

Uncompressing Linux…………………………………………………………………………………………………………………………………..

 

Plzzzz guide me where i m lacking…..

]]> https://www.emblogic.com/blog/09/to-varun-sir-board-bring-problem/feed/ 1 To Varun sir and Vaibhav Sir for Tool Chain https://www.emblogic.com/blog/08/to-varun-sir-and-vaibhav-sir-for-tool-chain/ https://www.emblogic.com/blog/08/to-varun-sir-and-vaibhav-sir-for-tool-chain/#comments Fri, 24 Aug 2012 11:18:27 +0000 http://emblogic.org/blog/?p=4912 Getting error in glibc-2.9 configuration 1st pass
Plzzzzzz search on blog for E-4 Tool Chain problem

]]> https://www.emblogic.com/blog/08/to-varun-sir-and-vaibhav-sir-for-tool-chain/feed/ 1 E-4 Toolchain problem https://www.emblogic.com/blog/08/e-4-toolchain-problem/ https://www.emblogic.com/blog/08/e-4-toolchain-problem/#comments Thu, 23 Aug 2012 11:08:28 +0000 http://emblogic.org/blog/?p=5010 I m facing error in the first pass while configuring the glibc-2.9 as:

Checking for suffix of object files… Configure: error: cannot compute suffix of object files: cannot compile

How to solve the problem?

]]> https://www.emblogic.com/blog/08/e-4-toolchain-problem/feed/ 0 E-4 Tool Chain Problem https://www.emblogic.com/blog/08/e-4-tool-chain-problem/ https://www.emblogic.com/blog/08/e-4-tool-chain-problem/#comments Mon, 13 Aug 2012 07:38:53 +0000 http://emblogic.org/blog/?p=4683  

 

]]> https://www.emblogic.com/blog/08/e-4-tool-chain-problem/feed/ 12 Serial Port Status To Pravjot Sir https://www.emblogic.com/blog/07/serial-port-status-to-pravjot-sir/ https://www.emblogic.com/blog/07/serial-port-status-to-pravjot-sir/#comments Fri, 27 Jul 2012 03:42:25 +0000 http://emblogic.org/blog/?p=4221
  • Implemented Serial Port DD for single byte with usage of 7 pins.
  • Implemented Serial Port DD with FIFO for multiple bytes with the usage of 7 pins …..
  • Reading Interrupts……….
    • ]]>     https://www.emblogic.com/blog/07/serial-port-status-to-pravjot-sir/feed/ 0     Parallel Port Status to Prabjot Sir https://www.emblogic.com/blog/07/parallel-port-status-to-prabjot-sir-3/ https://www.emblogic.com/blog/07/parallel-port-status-to-prabjot-sir-3/#comments Sat, 21 Jul 2012 16:41:57 +0000 http://emblogic.org/blog/?p=4110
  • Implemented Compatibility Mode.
  • Implemented Nibble mode for single and multiple bytes.
  • Implemented Byte mode for single byte.
  • Working on Byte mode for multiple bytes.
    • ]]>     https://www.emblogic.com/blog/07/parallel-port-status-to-prabjot-sir-3/feed/ 0     Parallel Port Status https://www.emblogic.com/blog/07/parallel-port-status/ https://www.emblogic.com/blog/07/parallel-port-status/#comments Fri, 20 Jul 2012 08:15:22 +0000 http://emblogic.org/blog/?p=4047
  • Implemented nibble mode for 1 byte.
  • working on Byte mode…
    • ]]>     https://www.emblogic.com/blog/07/parallel-port-status/feed/ 0     Parallel Port Device Driver Status(Nibble & Byte mode) https://www.emblogic.com/blog/07/parallel-port-device-driver-statusnibble-byte-mode/ https://www.emblogic.com/blog/07/parallel-port-device-driver-statusnibble-byte-mode/#comments Thu, 19 Jul 2012 13:09:54 +0000 http://emblogic.org/blog/?p=3996 Continue reading →]]> Before writing to the port i m setting the value of Control register by setting the its 5th bit at LOGIC 1. and after performing write operation i am checking the status of control register… I am surprised as the status of Control register is always incrementing as I incrementing the value from user side(eg. A, B, C…etc) …..

    ?????????????

    ]]>     https://www.emblogic.com/blog/07/parallel-port-device-driver-statusnibble-byte-mode/feed/ 0     Parallel Port Device Driver Status:- Compatibility Mode https://www.emblogic.com/blog/07/parallel-port-device-driver-status-compatibility-mode/ https://www.emblogic.com/blog/07/parallel-port-device-driver-status-compatibility-mode/#comments Thu, 19 Jul 2012 07:32:25 +0000 http://emblogic.org/blog/?p=3960 LED’s Are glowing properly with the user pattern…….

    ]]>     https://www.emblogic.com/blog/07/parallel-port-device-driver-status-compatibility-mode/feed/ 0     TASKLET Status to Pravjot Sir https://www.emblogic.com/blog/07/tasklet-status-to-pravjot-sir/ https://www.emblogic.com/blog/07/tasklet-status-to-pravjot-sir/#comments Fri, 13 Jul 2012 17:02:19 +0000 http://emblogic.org/blog/?p=3903 i have done tasklet in my device driver and it is working fine in driver…. Now working on workqueues……

    ]]>     https://www.emblogic.com/blog/07/tasklet-status-to-pravjot-sir/feed/ 0     Problem in KERNEL TIMER https://www.emblogic.com/blog/07/problem-in-kernel-timer/ https://www.emblogic.com/blog/07/problem-in-kernel-timer/#comments Thu, 12 Jul 2012 05:12:15 +0000 http://emblogic.org/blog/?p=3871 Continue reading →]]> In read_proc() fxn I am calling the timer fxn and in timer fxn I am using in_interrupt and in_atomic macros both are working fine….But when I call the timer fxn using for loop in read_proc, KERNEL crashes and display the bug for NULL pointer……..

    ]]>     https://www.emblogic.com/blog/07/problem-in-kernel-timer/feed/ 0     Character Device Driver Status To Pravjot Sir https://www.emblogic.com/blog/06/character-device-driver-status-to-pravjot-sir/ https://www.emblogic.com/blog/06/character-device-driver-status-to-pravjot-sir/#comments Sat, 30 Jun 2012 11:08:05 +0000 http://emblogic.org/blog/?p=3691 Continue reading →]]> I have done following:

    1. Write operation for multiple quantums…
    2. Read operation for single quantum.
    3. Implemented Semaphore in read and write operation

    Now I am working on spinlocks and completions ………….

    ###NOTE ——– SPIN LOCKS are heavy weight mechanism/process than what is the proper application of SPIN LOCKS

    ]]>     https://www.emblogic.com/blog/06/character-device-driver-status-to-pravjot-sir/feed/ 0     Today’s work Status To Pravjot Sir https://www.emblogic.com/blog/06/todays-work-status-to-pravjot-sir/ https://www.emblogic.com/blog/06/todays-work-status-to-pravjot-sir/#comments Wed, 27 Jun 2012 11:21:53 +0000 http://emblogic.org/blog/?p=3595 I have implemented :-

    1.  write_operation for single quantum(working on multiple quantums).
    2. Implemented Threads
    ]]>     https://www.emblogic.com/blog/06/todays-work-status-to-pravjot-sir/feed/ 0     Work status by Vijay Partap https://www.emblogic.com/blog/06/work-status-by-vijay-partap/ https://www.emblogic.com/blog/06/work-status-by-vijay-partap/#comments Mon, 25 Jun 2012 16:14:42 +0000 http://emblogic.org/blog/?p=3536 1. assignment no. 2 completed (unable to understand  Q. 14 and 15)

    2. assignment no. 4 completed

    3. working on assignment no. 3 (stacks and queues)

     

    ]]>     https://www.emblogic.com/blog/06/work-status-by-vijay-partap/feed/ 0     assignments status by Vijay Partap https://www.emblogic.com/blog/06/assignments-status-by-vijay-partap/ https://www.emblogic.com/blog/06/assignments-status-by-vijay-partap/#comments Sun, 24 Jun 2012 17:24:11 +0000 http://emblogic.org/blog/?p=3520 1. assignment no. 1 completed
    2. assignment no. 2(done upto quest no. 10)

    ]]>     https://www.emblogic.com/blog/06/assignments-status-by-vijay-partap/feed/ 0