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  #1  
Old 06-May-2008, 02:08
maximuz maximuz is offline
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For Burst Data Transfer


Hai Friends,
I would like to know whether is it possible to transfer the data in bursts of 8 words at a time. using basic C commands.
please let me know if some one have the idea for that.
the data is read from some address locations as bursts and are transferred to another locations as bursts...
Please help me in this...

Regards,
Maxiiiiiii
  #2  
Old 06-May-2008, 04:52
Peter_APIIT Peter_APIIT is offline
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Re: For Burst Data Transfer


I also want to know.
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  #3  
Old 06-May-2008, 07:37
davekw7x davekw7x is offline
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Re: For Burst Data Transfer


Quote:
Originally Posted by maximuz
Hai...I would like to know whether is it possible...
Data from where? To where? What is your definition of "words"?

If you are talking about to and from memory or a disk drive on a Linux or Windows workstation, there are some layers of software and hardware between standard C library functions and run-time operations and and physical data access.

For memory access, data caching does it in hardware at the CPU level.

For disk access, data caching in disk drive controllers does it at the hardware level.

So: What is it that you are really trying to do?

Regards,

Dave
  #4  
Old 06-May-2008, 17:19
Peter_APIIT Peter_APIIT is offline
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Re: For Burst Data Transfer


A specific question help us to target the problem for you.
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  #5  
Old 07-May-2008, 03:33
maximuz maximuz is offline
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Question

Re: For Burst Data Transfer


Hai,

I was trying to do something related to embedded systems..
here the data which is stored in the memory, the single data is simply a word32(32 bit unsigned integer) 8 of which has to be transfered at a time.
or consider like this...
reading eight 32bit data from memory at a time and transfering, or writing that data to a DDR RAM memory.
just i would like to know how the burst of data is transfered from a source to a destination..
  #6  
Old 07-May-2008, 11:48
davekw7x davekw7x is offline
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Re: For Burst Data Transfer


Quote:
Originally Posted by maximuz
... 8 of which has to be transfered at a time.
If the CPU (and/or the memory controller) has a data cache, it's handled in hardware.

The C language and libraries are deliberately ignorant of hardware considerations such as memory organization and data size. There is no concept of burst or other kinds of memory operations in C.


Regards,

Dave
 
 

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