An RTOS is a Real-Time Operating System, a type of operating system that is designed to satisfy, possibly hard or firm, timing constraints. An RTOS is most likely to be used in in verifiable or safety critical systems. Such systems arise most frequently in the medical, automotive and defense industries
Questions tagged [rtos]
650 questions
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RTOS supported by STM32 L1 series
Which all are the RTOS supported by STM32L151 micro controller. From the Web sites I can understand that it support FreeRTOS but is there any other RTOS which can be used with this series?

Ginu Jacob
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C - unsigned char * to char
I'm not an expert in C and have some understanding problems regarding char conversion. I've written some code which is working just fine, but I don't like it that much...
I was hoping one you guys can come up with an better, more optimized version.…

Wuuzzaa
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where is the udp_deliver api in linux kernel?
I tried to find the above api in linux kerenl. If I go to this path: net/ipv4/udp.c and search for udp_deliver. It is not there at that place. What is the reason for not finding the udp_deliver api ??
please someone help me. I dont have the above…

user3635707
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about the definition of small or micro RTOS
I am confused about small or micro RTOS, is it equivalent to RTOS with micro kernel?
And what are other types of RTOS except micro RTOS?
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votes
2 answers
ARM processor based board for beginners
I want to buy a ARM microprocessor based board, Can any one tell
which is the best(in terms of functionality) and cost effective?
What hardware/Software tools and cables I need to buy (For
debugging, IDE, etc)?
(Note: Multi-thread code to be…

user2071394
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Calculating the Stack usage in RTOS application
I am currently working on a project to develop an application in STM32 microcontroller using RTOS (micrium).
Are there any tools to calculate the stack usage of a particular thread in RTOS application?

Adithyan
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What is the difference between bare metal, RTOS and SoC?
Having just recently gotten into embedded programming using PIC microcontrollers, I am trying to understand the difference between Bare metal, RTOS and SoC.
Online searches reveal contradictory definitions and meanings.
For example, Semiengineering…

aLoHa
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What is porting in RTOS
I recently started learning about RTOS’s and came across the subject “porting”. I always tought that I could copy the RTOS files from github, paste it in my project and use it without any problems on any device. So I am a little confused about…

Arjon Arts
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Should HMI devices have RTOS on them?
I know that PLC devices must have RTOS such as VxWorks, but is the same true with HMI devices that connect with PLC?

datum
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network loop detection in network
I have a network application which uses Vxworks TCP stack. Here if we have network loop in network.
I am aware of network loop causes broad cast storm. How do I detect this programmatically?
Thanks for the help

venkysmarty
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I would like to know about backup policy in any RTOS
I am studying RTOS and its backup policy.
Is there any RTOS which has backup policy like save data from SRAM to non-volatile memory before power failure?
It does not have to be an RTOS. any OS is ok :)
Does anybody have an documentation about it?…
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how to find the status of socket descriptor in vxworks
How can I check the status of remote end with the help of socket descriptor in vxworks. I am using TCP connection.

Thangaraj
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Identifying possibility of interference
In multi tasking environment. If a task has the expression y = x + x; is there a possibility of an interrupt(task switching) occurring between the two reads of x.

Anuj Priyadarshi
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build real time operating system on microcontroller
Now I try to write RTOS by my self.
I have a question: in RTOS concept, we have "context switch" theory.
From what I know, context switch is to describe that when some task is running and the other task has a higher priority, the higher priority…

JackABC
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How to prevent Lua using stdio or redirect stdio in a rtos
I am trying to port Lua to ucos on a arm9 cpu. lua source code has usd stdio lib at many place. Yet, no uart is left for stdin/sdout ect in my hardware. More worse, the compile of ADS use the semihosting if stdio is used.
So I wanto to avoid using…

vinge
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