How to start building own RTOS for PIC and Atmel MCU?

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swapgo

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building rtos

Hi All

I use PIC MCU and Have knowledgs in Atmel MCU
Can I Develop a Preemptive RTOS to be ported for both the MCUs. In fact I dream to develop a common RTOS for 8-bit MCUs. From Which point I should get started? I have worked in ucos-ii.

Gopi
 

Re: Building Own RTOS

Hi,

I am not sure if I understand what you exactly want, however you may try search for FreeRTOS, it is an open source RTOS, for 8-bit MCU.

Also, you might find this page useful
**broken link removed**

it is about all RTOS for most architectures
 

Re: Building Own RTOS

I made as RTOS in the past, but for a 16bit uC. It is in assembler, because the small overhead is very important. An RTOS would be in assembler because it has to be very small and the overhead must be very little.
To do one RTOS for two different small 8 bit micros, has not vantages for me.
Good luck
Lollo
 

Re: Building Own RTOS

Try to modify this smart preemptive RTOS, developed for an AVR and MSP430 **broken link removed**
Thanks to Harry Zhurov.
 

Building Own RTOS

u can use ucos and the ucos web have the assembly source code for hardware layer for all types cpu.
 
Building Own RTOS

hi lollobrigido,
You said u developed an RTOS earlier.So you might be the person who can help me !!!! What are the basics one must know to develop an RTOS??Can you please elaborate -what to know?where to start?what are the common prbs you ll face?
Thanks
Kareja
 
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