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jitkasem
Joined: 09 Feb 2006
Posts: 26
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 06 Nov 2007 14:51 pic18 |
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I heard that pic18F4550 can use with several rtos such as PICOS16 , freertos , or salvo??
Because I'm new to RTOS and I don't know how to choose RTOS for pic18f4550. Everyone familiar with RTOS please help me to select above rtos that.....
- provide source code.
- free to download.
- easy to used because I want to learn the besic of using RTOS in microcontroller.
- stable and almost used.
Thank you very much....
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darukur
Joined: 05 Jul 2006
Posts: 8
Location: Mar del Plata - Buenos Aires - Argentina
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15 Jul 2008 21:24 pic18 code |
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Hi jitkasem
Looking at the constraint that you give (free download and source code provided) you should think in FreeRtos.
Salvo is a nice and simple RTOS but its commercial and the version with source code is much more expensive, also not as powerful as others.
I've have no expertise in PICOS18 but you should use an RTOS that can be portable trough different architectures, like ucos-II, freertos or salvo.
if you are new to RTOSes I would recommend you FreeRTOS, is preemptive and cooperative with multiple priorities with round robin also.
The documentation on the page is very good if you familiarize with it.
Also a preemptive RTOS is more friendly if you need to recycle code from C standard programs (like I suspect you would need on Microchip USB implementation  )
I hope it helps, best regards.
Marcelo Lorenzati
http://www.sistemasembebidos.com.ar/
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Nandulal
Joined: 23 Feb 2006
Posts: 98
Helped: 1
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04 Oct 2008 9:36 freertos usb pic18 |
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Can you prepare and post a document for porting FreeRTOS on dsPIC in English?
Thanks in Advance.
Nandu
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Google
AdSense
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04 Oct 2008 9:36 Ads |
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darukur
Joined: 05 Jul 2006
Posts: 8
Location: Mar del Plata - Buenos Aires - Argentina
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16 Jun 2009 4:54 compare pic18f series |
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Hi Nandulal, if you see in the freertos page, you have a fully documented RTOS.
Also if you like, you can buy its book for a small fee.
Regards,
Darukur
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vijay s
Joined: 14 Jun 2008
Posts: 67
Helped: 5
Location: Coimbatore,India
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17 Jun 2009 14:00 ucos pic18 |
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| you can use ucOS for PIC18. it comes with PIC18 port and you can download the source code and example program from it's website www.micrium.com.
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nikhil_damle
Joined: 15 Dec 2005
Posts: 103
Helped: 2
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27 Jun 2009 12:18 source program pic18 |
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| if u consider pic18 for development, then hitec pic18 series tool along with salvo rtos is a better option, u can have ucos-ii also
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