ECE 473/573 - System Design with Microcontrollers
CRN 20796/20802 - Fall 2022

  Tuesday, Thursday 1600-1720 pm; LINC 314

   W 0900-1150 : Tingwei, Alyssa ; DEAR208
   W 1400-1650 : Tingwei, Alyssa ; DEAR208
   F 1100-1350 : Tingwei, Alyssa ; DEAR208
   F 1400-1650 : Tingwei, Alyssa ; DEAR208

(Note: Remove "SPAM" from email addresses)
  Roger Traylor
  Office: KEC3095
  Office Hours: email me

Alyssa Estenson
  Office: DB208
  Office hours by email appointment

Tingwei Zhang
  Office: DB208
  Office hours by email appointment

About This Class

The purpose of this course is to equip students to competently design small, embedded microcontroller systems. This course uses a microcontroller as a component in electronic system design. Our target microcontroller, the Atmel ATMega128, provides extensive I/O and peripherals. It will be considered as a flexible logic component to be embedded into a system.

This is a design course. This means that you will be expected to show considerable creativity, resourcefulness and persistence. You will need to read long datasheets, improvise around problems, and extract information from obscure sources. You will need to apply material from many of the courses you have already taken. You will have to find solutions on your own from incomplete specifications. Welcome to the real world of design.

There is a considerable reading load for this class. Consider this typical for doing non-trivial design work. The number of pages is large and the material can be obtuse. I will not be looking for recall of bit-by-bit details, but clear understanding of concepts and how to apply them.

Lab assignments will require a detailed design based on a general specifications. Step-by-step instructions are not provided. Detailed designs will be generated by the student. Complete designs to be graded include C and small bits of assembly language code, digital and analog circuit schematics, and documentation.

I will expect your in-class participation. Some of you will have innovative solutions and approaches that need to be shared. Be prepared to voice your opinion, show off your hardware and explain your code.

You may work in groups on homework and projects if you wish. Sharing of design approaches, philosophy, flow charts or coding ideas is strongly suggested. However, sharing of detailed information such as design calculations, or actual code is not approved and will meet with the strongest action that I can bring. Your project represents your individual work, not the product of group work.

A mail reflector (or list) for the class will be established by the beginning of class. The mailgroup is how I communicate with you outside the classroom. It can also be used as an interactive forum where you discuss problems and solutions. Such usage is encouraged. Students who register early for ECE473/573 are automatically added to the class mail list. You may initially not be on the if you register late. You should be added within a day or so. The name of the class list for ECE473/573 is: (NOSPAM = oregonstate). You will not be able to post to this list from any other than your engr account.

Wherever you do your code development, back it up. Many sad stories here. Back up disks are cheap.

Commit yourself to learning either vim or emacs. To write code, you need to use a programming editor. I can almost guarantee you are surely going to do a lot of programming in your career. So use an efficient tool. So,... don't fight it, once you catch on, you will never go back. I do all my writing in vim.

Schedule and Assignments

Period Date Lecture Topics Lab Work Supplental Reading
1 Thursday
Sept 22
Intro to ECE473
Differences in Embedded Design
Mega128 Overview
Schematic Diagrams
Lab 1 - Tool Testdrive
  -Due in lab, 9/28,9/30 (1 wk)
ATmega128 Datasheet
  -pgs. 0-11, (upto ALU section)
AVR brings RISC to 8-bit World
C compiler for AVR
Efficient C Coding for AVR
2 Tuesday
Sept 27
Editing with vim
  -Getting in and out of Vim
  -Moving around in Vim
  -Adding and deleting in Vim
  -Dot, make, split, shell commands
Inclass exercise:
  -newkeyer.c .vimrc
Port I/O
Video: ESD Diode chalktalk
Video: ESD Diode conduction chalktalk
Inclass Demo:
  -Floating inputs, ESD diodes, Schematics
Lab 2 - LED & Pushbuttons
  -Due in lab, 10/12,10/14 (2 wks)
Lab 2 Skeleton code
Schematic Notes
Example LED display test code
Prototyping Techniques
AVR Datasheet
  -pgs. 5-7, Pin Descriptions
  -pg. 318, DC Characteristics
  -pgs. 66-70, I/O Ports
About ESD Diodes
What is ESD? (pgs2-3)
Basic vi help
Vim for C programmers
3 Thursday
Sept 29
Switch Debouncing
Inclass Demo:
  -Switch bounce on scope
  -Switch bounce effect on software
Inclass Exercise: download_script
Debugging Techniques
Discussion of Lab 2
  -Time multiplexing LED display
  -Scanning switches
A Guide to Debouncing
A DSP-style debouncer
Developing a good bedside manner
4 Tuesday
Oct 4
GNU Compiler
Assembly Language & GCC
GNU Make
Inclass Exercise tar file
Automatic makefile dependencies
5 Thursday
Oct 6
Lab 1 Code differences
Embedded Programming
Killer Apps
Git Lecture/Inclass work
Git Quick Reference
  -Character Operations
  -Busy-wait loops
  -Standard Integer Types
  -General Utilities
Using a2ps
Write great code (article only)
Debugging Embedded C
Programming uCs in C
C usage in embedded apps
6 Tuesday
Oct 11
Debugging Interrupts
Inclass Exercise:   Download script
Avr-libc, interrupts section
AVR Datasheet
  -pgs 15-17, Interrupt and reset handling
  -pgs 11-12, Status register GIE bit
  -pgs 60-62, Interrupts
Break code with volatile
7 Thursday
Oct 13
Serial Peripheral Interface (SPI)
Lab 3 Discussion
Inclass Exercise
AVR Datasheet
  -pgs. 163-170 SPI
Introduction to SPI
8 Tuesday
Oct 18
8-Bit Timer/Counters, TCNT0 & TCNT2
Encoder Usage
In-class Programming Work
Lab 3 - Interrupts and SPI
  -Due in lab, 11/2,11/4 (2 wks+)
AVR Datasheet
  -pgs. 93-111 TCNT0
  -pgs. 145-160 TCNT2
AVR130 setup, use of AVR Timers
DN024 Timer/Counter Basics
9 Thursday
Oct 20
16-Bit Timer/Counters TCNT1, TCNT3
Inclass Exercises:
  -how heartbeat should work
AVR Datasheet
Sine waves from uCs
  -pgs. 112-142 TCNT1 and TCNT3
  -pgs. 143-144 TCNT1-3, Prescalers
10 Tuesday
Oct 25
Inclass Exercise - Stimulus Reaction Timer   -wget_script
Stimulus Reaction Timer Instructions
11 Thursday
Oct 27
Industry Overview
  -2018 EE Salary Survey
12 Tuesday
Nov 1
Analog Comparator, ADC
Inclass Exercise - ADC voltmeter - wget_script
AVR Datasheet
  -pgs. 227-229 Analog Comparator
  -pgs. 230-245 A to D Converter
  -pgs. 54-55 Voltage Reference
  -pgs. 171-197 USART
Bandgap References
DN021 Using the ADC
13 Thursday
Nov 3
Class canceled AVR Datasheet
  -pgs. 198-226, TWI
I2C overview
Network Peripherals with I2C
I2C Bidirectional level shifter
Phillips I2C Manual (pgs. 2-25)
Phillips I2C Usage with a uC
14 Tuesday
Nov 8
Two Wire Serial Interface (I2C)
Inclass coding - UART - wget_script
AVR Datasheet
  -pgs. 19-24, EEPROM Memory
Accessing the EEPROM
15 Thursday
Nov 10
Inclass coding - Thermometer  - wget_script
Power Management and Sleep Modes
Reset Sources
XDIV/Sleep code
Discussion of Lab 4
Lab 4 - Alarm Clock
Scratch Amplifier
  -Due in lab, 11/17,11/22 (2 wks)
AVR Datasheet
  -pages 52-56, Watchdog Timer
  -page 50, Brownout Detection
Great Watchdogs
Power Management
Nov 11
Veterans day - No classes or labs. We'll catch up lab next week.
Thanks to all who serve and have served our country.
16 Tuesday
Nov 15
Reset/Brownout code
Watchdog code
17 Thursday
Nov 17
Lock bits and Fuse bits
18 Tuesday
Nov 22
Architecting the Final Project
  -How to approach the final project.
  -Class Presentations - TBA
Nov 24
Thanksgiving - No Classes
  -Give thanks
  -Code while you feast
19 Tuesday
Nov 29
Class Presentation?
Design of Capacitance Meter
Final Project - Capacitance Meter
Capacitor Meter
20 Thursday
Dec 1
Class Recap - TBA
Final Project Due Thursday
Dec 8, by 5pm
Implied By Design