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Embedded Systems
The Challenge of Real-Time Operations
Soheil Gholami
soheilgholami28@gmail.com
Software Freedom Day
Sharif University of Technology
29th September 2016
Soheil Gholami 9/29/2016 Embedded Systems 1 / 9
Outline
• Real-Time Operations
• Embedded systems
• Solutions to Real-Time Problem
• Sample Challenge
• Presented Solution
Soheil Gholami 9/29/2016 Embedded Systems 2 / 9
Real-time concept
• Real-time computing (RTC)
• Real-time operating system (RTOS)
Library
Hardware
Application
Linux Kernel
C Library
Read/WriteRequest
Response
Soheil Gholami 9/29/2016 Embedded Systems 3 / 9
Embedded systems
• Operating systems
• Jitter time
Jitter
Soheil Gholami 9/29/2016 Embedded Systems 4 / 9
Solutions
1 Interface
• Serial, I2C, ISP, . . .
• USB, Ethernet, Wi-Fi, Bluetooth
2 Co-hardware
3 Driver
Soheil Gholami 9/29/2016 Embedded Systems 5 / 9
Example 1: Servo motor control with Raspberry Pi
What you need:
• Raspberry Pi 3
• Servo Motor SG92R
USB
EthernetPower HDMI
Soheil Gholami 9/29/2016 Embedded Systems 6 / 9
Example 1, Cont’d
• Servo Motor
Soheil Gholami 9/29/2016 Embedded Systems 7 / 9
Example 2: Solution for Example 1
• Using a free hardware such as Arduino Due
Soheil Gholami 9/29/2016 Embedded Systems 8 / 9
Do-Time
Soheil Gholami 9/29/2016 Embedded Systems 9 / 9

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بررسی چالش کارکردهای بی‌درنگ در سیستم‌های نهفته

  • 1. Embedded Systems The Challenge of Real-Time Operations Soheil Gholami soheilgholami28@gmail.com Software Freedom Day Sharif University of Technology 29th September 2016 Soheil Gholami 9/29/2016 Embedded Systems 1 / 9
  • 2. Outline • Real-Time Operations • Embedded systems • Solutions to Real-Time Problem • Sample Challenge • Presented Solution Soheil Gholami 9/29/2016 Embedded Systems 2 / 9
  • 3. Real-time concept • Real-time computing (RTC) • Real-time operating system (RTOS) Library Hardware Application Linux Kernel C Library Read/WriteRequest Response Soheil Gholami 9/29/2016 Embedded Systems 3 / 9
  • 4. Embedded systems • Operating systems • Jitter time Jitter Soheil Gholami 9/29/2016 Embedded Systems 4 / 9
  • 5. Solutions 1 Interface • Serial, I2C, ISP, . . . • USB, Ethernet, Wi-Fi, Bluetooth 2 Co-hardware 3 Driver Soheil Gholami 9/29/2016 Embedded Systems 5 / 9
  • 6. Example 1: Servo motor control with Raspberry Pi What you need: • Raspberry Pi 3 • Servo Motor SG92R USB EthernetPower HDMI Soheil Gholami 9/29/2016 Embedded Systems 6 / 9
  • 7. Example 1, Cont’d • Servo Motor Soheil Gholami 9/29/2016 Embedded Systems 7 / 9
  • 8. Example 2: Solution for Example 1 • Using a free hardware such as Arduino Due Soheil Gholami 9/29/2016 Embedded Systems 8 / 9
  • 9. Do-Time Soheil Gholami 9/29/2016 Embedded Systems 9 / 9