Embedded SystemsThe Challenge of Real-Time Operations

Soheil Gholami

soheilgholami28@gmail.com

Software Freedom DaySharif University of Technology

29th September 2016

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Outline

• Real-Time Operations

• Embedded systems

• Solutions to Real-Time Problem

• Sample Challenge

• Presented Solution

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Real-time concept

• Real-time computing (RTC)• Real-time operating system (RTOS)

Library

Hardware

Application

Linux Kernel

C Library

Read

/Writ

e Re

ques

t

Resp

onse

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Embedded systems

• Operating systems

• Jitter time

Jitter

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Solutions

1 Interface• Serial, I2C, ISP, . . .• USB, Ethernet, Wi-Fi, Bluetooth

2 Co-hardware

3 Driver

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Example 1: Servo motor control with Raspberry Pi

What you need:

• Raspberry Pi 3

• Servo Motor SG92R

USB

EthernetPower HDMI

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Example 1, Cont’d

• Servo Motor

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Example 2: Solution for Example 1

• Using a free hardware such as Arduino Due

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Do-Time

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