The actual time during which a process or event occurs: "information updated in real time". This topic covers how to control the Raspberry Pi in real time, how to use software in real time, and any other use of the Raspberry Pi in which real time control is needed.

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Raspberry Pi to iPhone Audio Streaming

I am trying to figure out how to get as close to real time streaming as possible from Raspberry Pi to an iPhone (more particularly just an HTTP stream so iPhone or Android could use it). The Raspberry ...
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Pi for real time video processing

A project I'm working on involves wireless transmission of images from a camera to a host computer in real time. Can the Pi be used as a DSP for the camera for image acquisition and Pre-processing?
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Xenomai RTDM Skins for I2C, SPI

In another post I read that Xenomai could be used for real-time tasks like control loops. I'd need to implement a real-time task which also talks to I2C and SPI. In this mailing list message I read ...
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PREEMPT_RT and RPi Drivers

I'm planning to do some realtime control loop tasks with the RPi. In this post PREEMPT_RT and Xenomai were proposed. I'm thinking about trying PREEMPT_RT, as I'd like to keep it as simple as possible. ...
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Interfacing external device using accurate high-speed clock signal

I need to interface device using specific synchronous protocol that requires clock signal within 1..2MHz. Period instability shouldn't exceed 10%. Also, in certain condition protocol requres clock ...
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Where does the Raspberry Pi get the time from?

I don't have to set the clock (besides the timezone) on the Raspberry Pi. Where is it getting the time from? About how accurate is it?
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Should I buy an external device to store data on

I'm planning to use my pie 24/7, but SD cards are not made for this. Because of that I want to reduce the read and write jobs on the card so it will last longer. There are several options to do this; ...
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Is it possible to run real time software?

I know it runs Linux and there are real time patches available for Linux. Would those patches work? Has anybody tried another real-time-os on the Raspberry Pi? The idea is to use the board for ...