STE-EngTel (página)

Sistemas Embarcados

• Professor: Arliones Hoeller
• Encontros: quartas e sextas às 13:30 no Laboratório de Informática.
• Lista de discussão.

• Plano de Ensino.
• Cronograma.

• Repositório de arquivos.

Grades

Student	HW1	HW2	HW3	HW4	Final

Lab Experiments

The experiments in this course are based on the project Embedded Systems Experiments for the Telecommunication Engineering Undergraduate Program. See this page for the Experimental Setup. We will use the Arduino Uno board as hardware platform, and will be developing software in C/C++ using the GNU compiler with the avrlibc. We have plenty of Arduinos for use in the classroom, but if you can afford, you are encouraged to buy one for yourself to work on the extra-class assignments. They are available for less than R$50. check MercadoLivre.

Arduino's microcontroller is Atmel's ATMega328P. Download its manual here.

Adafruit Protoshield Datasheet [1]

Syllabus

Unit 01 - Get In: Hands on Microcontroller Software

Unit 01 - Get In: Hands on Microcontroller Software Introduction to Embedded Systems Read chapters 1 and 7 of Lee and Seshia, Introduction to Embedded Systems Embedded Systems Development: Design Principles Embedded Systems Development: Design Principles General Porpuse Input Output and External Interrupts I/O Basics Lab 01: GPIO - Hello LED Lab 02: GPIO Interrupts Lab 03: More GPIO Interrupts Serial Communication Read chapter 10 of Lee and Seshia, Introduction to Embedded Systems Lab 04: UART - Serial Communication Input/Output Buffers Read chapter 5 of Wolf, Computers as Components Lab 05: UART - Interrupts and Circular Buffer Analog-to-Digital Conversion Read chapter 7 (sections 1 and 2) of Lee and Seshia, Introduction to Embedded Systems Lab 06: Analog-to-Digital Converters Lab 07: NTC - Negative Temperature Coeficient Digital-to-Analog Conversion Read chapter 7 (section 3) of Lee and Seshia, Introduction to Embedded Systems Lab 08: Pulse Width Modulation (PWM);

Unit 02 - Get Right: Introduction to Real-Time Systems

Unit 02 - Get Right: Introduction to Real-Time Systems Multitasking Read chapter 11 of Lee and Seshia, Introduction to Embedded Systems Read chapter 6 (sections 1-4) of Wolf, Computers as Components Read about FreeRTOS Real-Time Scheduling Read chapter 12 of Lee and Seshia, Introduction to Embedded Systems Read chapter 6 (sections 5-12) of Wolf, Computers as Components Lab 08: Real-Time Operationg System

Unit 03 - Get Out: Networked Embedded Systems
Unit 03 - Get Out: Networked Embedded Systems Embedded Networks and Multiprocessors Read chapter 8 of Wolf, Computers as Components Embedded Networks Seminar Will be covered by seminars. See Homework 04.

Unit 04 - Get Done: Embedded System Design
Unit 04 - Get Done: Embedded System Design Running Linux on NIOSII

Homework

Homework 01: Mandrake Voltage Detector

The gerenal design of this project was carried out with the students during class. To complete the assignment, each student will use an Arduino UNO platform and deliver: UML model of the application; Arduino implementatino of the application; C++/GCC implementation of classes for AVR's: GPIO; UART (with interrupts and input/output buffers); ADC (with interrupts and circular buffer). C++/GCC implementation of voltage detector application as described in class.

Homework 02: Static Program Analysis

In this experiment, in doubles, students will perform an static analysis to specify time and power consumption profile of the Mandrake VD application (homework 1). To complete the assignment, each student must: Instrument an Arduino UNO with an Osciloscope to measure, via a shunt resistor, current and voltage inputs for the board during program execution; Identify application's basic blocks; Measure average power (P=V.i) and execution time of each basic block; Write report describing the methodology and presenting the measurement results.

Homework 03: Real-Time Operating System

In groups, each using different boards: Group 1: Gustavo, Iago, Fernando, Stephany - Intel Edison Group 2: Mathias, Ronaldo, Marcus - BeagleBone Black Group 3: Roicenir, João - Xilinx MicroZed Group 4: Giulio, Walter - Intel Galileo Gen 2 Group 5: Guilherme, Vinicius - RaspberryPi 3 Each group must, initialy, generate a Yocto Linux Image with the following characteristics: Generate compact image (core-image-minimal); Generate toolchain (meta-toolchain); Use preempt-rt kernel type; Document additional Yocto layers and configurations used. Suggestion: Yocto 2.2 (morty) has just been released and there seems to be a few issues with it. Use Yocto 2.1 (krogoth) instead. A few references to help you to get through: General doc: http://www.yoctoproject.org/docs/2.1/mega-manual/mega-manual.html Kernel types (for preempt-rt): http://www.yoctoproject.org/docs/2.1/mega-manual/mega-manual.html#kernel-types Atom (Intel Edison): http://git.yoctoproject.org/cgit/cgit.cgi/meta-intel-edison/about/ BeagleBone: https://www.yoctoproject.org/downloads/bsps/krogoth21/beaglebone Xilinx Zynq (MicroZed): http://www.wiki.xilinx.com/Yocto Quark (Intel Galileo): https://www.yoctoproject.org/downloads/bsps/krogoth21/intel-core2-32-0 RaspberryPi: http://git.yoctoproject.org/cgit/cgit.cgi/meta-raspberrypi/about/

Homework 04: Embedded RT Linux Application

Deliver a report and source code of your RT application running on Linux with preempt_rt. The application can be either any application defined by your team (in agreement with the lecturer), or a evaluation of Linux performance in your board. If you choose to evaluate Linux performance, you can use the CyclicTest tool in both preempt_rt and ordinary Linux kernels and report a comparison. There is a paper bellow showing an example of performance comparisson among RT and non-RT versions of Linux, using the CyclicTest tool. Documents: Real-Time Linux wiki: https://wiki.linuxfoundation.org/realtime/start How to Simple RT Linux Application: https://wiki.linuxfoundation.org/realtime/documentation/howto/howto_rt_application_base CyclicTest: https://rt.wiki.kernel.org/index.php/Cyclictest Paper from Prof. Brandenburg: https://people.mpi-sws.org/~bbb/papers/pdf/ospert13.pdf