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kyawmyo
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PostSubject: RTOS   Tue Oct 31, 2006 7:12 pm

Hello,

ANybody has Real Time Operation System related Ebooks?

KM
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PostSubject: Re: RTOS   Wed Nov 01, 2006 3:51 am

kyawmyo wrote:
Hello,

ANybody has Real Time Operation System related Ebooks?

KM

uCos II will be a good choice for beginner. Although it is not a freeware, it is royalty free. uCos II became more populer in the last few years and has been ported to many different processors and architectures. The genius is Jean Labrose. You can find EBOOK of old version on the net. Although it doesn't explain much details about Real Time specs such as hard,soft or firm time requirements, the implementations can give you an idea of how they built the system. Any way, you better have had a basic understanding of OS things and implementations such task sheduling, critical sections, semaphores, mutex, mailboxes, IPC mechanisms, timers (OS timers) etc. It will help you a lot in understanding the RTOS.

Another choice could be freeRTOS. You can easily download source codes and read online book. You can even compile and run sample programs ( OS ) using GNU , IAR, KEIL, or Rowley tools.
Although there is not much drivers for freeRTOS , at least TCP/IP stack should be there by now. uCos II has a lot of driver modules.

eCos is another popluar OS you can think about. But you need to have linux box , or otherwise you will need a Cygwin and gnutools to compile eCos.

There are many RTOS.s still left. But the above three will give you enough knowledge on RTOS.

Linux Kernel 2.6.xx claims to be RTOS compliant by way of RTAI (real time application interface ). But I am not quite sure it is conformant to RTOS spec. In addition , other prerequisites make it not a good chice for starters.
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kyawmyo
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PostSubject: Re: RTOS   Wed Nov 01, 2006 5:02 pm

Thank you very much bro? How can I study to develop RTOS application on Microchip PICs?

Best Regards
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PostSubject: Re: RTOS   Thu Nov 02, 2006 3:40 am

kyawmyo wrote:
Thank you very much bro? How can I study to develop RTOS application on Microchip PICs?

Best Regards

Grab the document AN585 from microchip web site.
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kyawmyo
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PostSubject: Re: RTOS   Thu Nov 02, 2006 11:42 am

Really Really thank you bro. It is exactly what I am finding.

Thanks
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bobowaimg
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PostSubject: Re: RTOS   Sun Nov 05, 2006 7:22 am

I would suggest u free tinyOS… cos it is worth trying to test out if u r aiming for distributed environment… though it is not currently suitable for hard real time one... it is static one, no heap, no virtual memory, event based.., non-preemptive, only interrupts and associates can preempt tasks… but still difficult to predictively schedule high-priority tasks means…. Cos of its distributed nature, task execution is often segmented among many components… but anyhow.. Its application specific nature of MAC and routing protocols is quite touching to do the research… and u can still do deployment simulation with TOSSIM and TinyViz..
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