EmbLogic » Mandar 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 how mutex is different from binary semaphore ? https://www.emblogic.com/blog/03/how-mutex-is-different-from-binary-semaphore/ https://www.emblogic.com/blog/03/how-mutex-is-different-from-binary-semaphore/#comments Fri, 02 Mar 2012 20:41:32 +0000 http://emblogic.org/blog/?p=2054 Hello,
I just googled and found like their are some ownership issue which differentiate Mutex and Binary semaphore.
Still I am confused !!
(Also where should I use Mutex and where Binary semaphore ??)

]]> https://www.emblogic.com/blog/03/how-mutex-is-different-from-binary-semaphore/feed/ 0 Stepper Motor Interfacing with Parallel Port https://www.emblogic.com/blog/01/stepper-motor-interfacing-with-parallel-port/ https://www.emblogic.com/blog/01/stepper-motor-interfacing-with-parallel-port/#comments Wed, 18 Jan 2012 08:26:44 +0000 http://emblogic.org/blog/?p=1674 Continue reading →]]> We have Successfully Interfaced stepper motor with parallel port and tested following modes of operation:

1. Half step sequence Clockwise and Anti-clockwise.

2.Full step sequence Clockwise and Anti-clockwise.

3.Eight step sequence Clockwise and Anti-clockwise

and successfully controlled the speed of motor according to the need of application

]]> https://www.emblogic.com/blog/01/stepper-motor-interfacing-with-parallel-port/feed/ 5 Status: Serial port and MDC https://www.emblogic.com/blog/12/status-serial-port-and-mdc/ https://www.emblogic.com/blog/12/status-serial-port-and-mdc/#comments Sat, 31 Dec 2011 09:36:01 +0000 http://emblogic.org/blog/?p=1452 I have completed bidirectional DTE to DTE communication using serial port cross cable

MDC: multiple data compression and decompression is also done for case 4

]]> https://www.emblogic.com/blog/12/status-serial-port-and-mdc/feed/ 0 Serial_Port_Status https://www.emblogic.com/blog/12/serial_port_status/ https://www.emblogic.com/blog/12/serial_port_status/#comments Thu, 29 Dec 2011 14:06:21 +0000 http://emblogic.org/blog/?p=1430 I have completed Serial Port Loop back mode

]]> https://www.emblogic.com/blog/12/serial_port_status/feed/ 0 STATUS: Development_Tools https://www.emblogic.com/blog/12/status-development_tools/ https://www.emblogic.com/blog/12/status-development_tools/#comments Sat, 24 Dec 2011 12:12:23 +0000 http://emblogic.org/blog/?p=1401 I have successfully completed all three assignments associated with development tools.

]]> https://www.emblogic.com/blog/12/status-development_tools/feed/ 0 update: Termios https://www.emblogic.com/blog/12/update-termios/ https://www.emblogic.com/blog/12/update-termios/#comments Sat, 24 Dec 2011 07:57:14 +0000 http://emblogic.org/blog/?p=1391 I have successfully completed all the assignments associated with General Terminal Interface

]]> https://www.emblogic.com/blog/12/update-termios/feed/ 0 Linux environment assignment status: https://www.emblogic.com/blog/12/linux-environment-assignment-status/ https://www.emblogic.com/blog/12/linux-environment-assignment-status/#comments Thu, 22 Dec 2011 13:43:50 +0000 http://emblogic.org/blog/?p=1370 I successfully completed following topics,

1.Successfully extracted current environment variable using getenv.

2.Changed current env var using putenv.

3.Extracted all env var using Environ.

4.successfully used syslog,openlog,closelog,setlogmask.

5.working on redirection of portion of output to file.

 

]]> https://www.emblogic.com/blog/12/linux-environment-assignment-status/feed/ 1 Parallel port driver status https://www.emblogic.com/blog/12/parallel-port-driver-status/ https://www.emblogic.com/blog/12/parallel-port-driver-status/#comments Mon, 19 Dec 2011 08:56:23 +0000 http://emblogic.org/blog/?p=1357 Continue reading →]]> I am currently working on Nibble mode of parallel port and we successfully transferred bytes of information from one PC to another using delay method but, facing problems in handshaking(unable to change control bits  )….i want some information about handshaking techniques….HELP ME.

]]> https://www.emblogic.com/blog/12/parallel-port-driver-status/feed/ 1 status on character driver https://www.emblogic.com/blog/10/status-on-character-driver/ https://www.emblogic.com/blog/10/status-on-character-driver/#comments Fri, 07 Oct 2011 14:16:05 +0000 http://emblogic.org/blog/?p=1050 i have completed registration, initialization, open, release, and working on trim.

]]> https://www.emblogic.com/blog/10/status-on-character-driver/feed/ 0 how to rotate bits of unsigned integer to left/right by specific number of bits??? https://www.emblogic.com/blog/09/how-to-rotate-bits-of-unsigned-integer-to-leftright-by-specific-number-of-bits/ https://www.emblogic.com/blog/09/how-to-rotate-bits-of-unsigned-integer-to-leftright-by-specific-number-of-bits/#comments Tue, 06 Sep 2011 13:17:39 +0000 http://emblogic.org/blog/?p=837 https://www.emblogic.com/blog/09/how-to-rotate-bits-of-unsigned-integer-to-leftright-by-specific-number-of-bits/feed/ 3