A Real Time Operating System - one used typically in industrial control systems. characterized by a predicable response time to interrupts and system requests. Designed in such a way that the developer can be sure of meeting timing requirements of industrial processes.
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Do I need a RTOS?
My hardware would have a DSP with the following characteristics:
Sound generation (internal parameter will generate pure tones, white noise, filtered white noise or the sum of them).
I2C ...
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Is there any Real time clock (RTC) which provides time resolution in microseconds?
I've been searching for high precision RTCs on Google but almost all RTCs like DS12C887, DS1307 provide time resolution in seconds which is ok for general use. But is there any RTC IC which can ...
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What features distinguishes a real-time core from other types of os?
I'm experimenting with a small so-called real-time core that basically can do nothing but counting to the next prime. It uses interrupt-driven I/O. But why is it a real-time core?
I read that Linux ...
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RTOS Datalogger example
I'm trying to develop a datalogger on a Cortex M0 (LPC11U14), and I was thinking of using a real-time OS like FreeRTOS, so that I can have one low-priority task that writes the data to SD, and ...
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How does an embedded application and RTOS communicate with each other?
I am working on a project which uses ARM 7 processor and a micrium - os II RTOS.
Kindly help me out in understanding the fundamental questions that have come to me regarding this project.
Below are ...
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What development boards have good RTOS support?
I'm looking for a relatively low-cost (<$50 would be ideal) development board with real support for an RTOS. It doesn't matter if the RTOS is manufacturer-supported or a separate project, but I'd ...
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What is the reason my PIC16 multitasking RTOS kernel doesn't work?
I am trying to create a semi-pre-emptive (co-operative) RTOS for PIC x16 microcontrollers. In my previous question, I've learnt that accessing hardware stack pointer is not possible in these cores. I ...
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3answers
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How to implement simple stack switching in PIC12/16 cores?
I am trying to understand how real time operating systems work. I have looked at the source codes of some RTOSes. I want to learn by creating my simple RTOS, something like FLIRT.
I am using PIC16 ...
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Porting Linux Drivers to RTOS
Everybody is probably going the other direction, moving their systems etc. to linux. I have the following problem. I like to use a WiFi chipset along with its Linux driver on my RTOS (FreeRtos). If I ...
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RTOS + Virtual Memory
Given a device that incorporates an embedded processor (MIPS), MMU, small RAM and larger flash memory, is there an RTOS with small memory footprint that has a built in support for "virtual memory", ...
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Change Timer Tick of RTOS - ThreadX
This question is specifically targeted to a RTOS -- ThreadX.
We are using it for our project. Problem with this is default RTOS tick time is 10ms which is very high. We need to change it to 1ms.
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Replacement for Queues in RTOS
For Inter-task communication or to share data between two tasks of RTOS, We use Queues.
But Problem with Queues is that they are slow.... They copy data in Buffer then Mutex Handling and then Data ...
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Has anyone evaluated NuttX RTOS?
While reading Linux User's Journal today, I stumbled across a little blurb about NuttX RTOS. I checked out their website and was fairly impressed with it's feature set and it's ability to put it in ...
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9answers
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RTOS for Embedded Systems
I have seen many articles that tell me I should be using RTOS for time management and resource management. My time has not permitted my own research, so I come to chiphacker for advice.
I use low ...
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5answers
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