ECET340 Week iLab Cover Sheet 2012

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After reading these directions, please delete them:

1 Go over ALL the recordings for iLab2

2 Understand the requirements for the design project (as outlined in the recording)

3 Use the start-up code that has been provided to you

4 Along with this document, please submit a .ZIP file containing the directory structure with all the project and source code files (in other words EVERYTHING that I need in order to run and download your design project). Name the file iLab2_YourLastName.zip, and upload it dropBox, along with this document

5 - Once you are sure your Lab Report is complete, remove these lines, save and upload your word document to the dropBox.

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Laboratory Report Cover Sheet DeVry UniversityCollege of Engineering and Information Sciences

Course Number: ECET 340

Professor:

Laboratory Number: 2

Laboratory Title: Interrupts in C

Submittal Date: Click here to enter a date.

Objectives (1pts):

Results (3pts) HALF a page at least (DELETE THIS WHEN SUBMITTING):

Conclusions (3pts):

Team:

Name

Program

Signature

Name

Program

Signature

Name

Program

Signature

Observations/Measurements:

I. 1. Paste a couple of pictures showing the LEDs as they respond to the External Interrupt (Lab2A) 1pt/picture (max 2 pictures)

I. 2. Paste a couple of pictures showing the LCD as it responds to the RTI Interrupt (Lab2B) 1pt/picture (max 2 pictures)

I. 3. Paste the source code for the file associated with your main() for the combined External and RTI interrupt design project (Lab2 Design Project) _ 16pts

I. 4. Paste a couple of pictures showing the LCD for the combined External and RTI interrupt design project (Lab2 Design Project) 1pt/picture (max 2 pictures)

Questions:

1. What distinguishes an external interrupt from a RTI interrupt? (1pt)

2. Describe what transpires when an interrupt occurs? (1pt)

3. What is an Interrupt Service Routine? What benefit does the ISR have over standard polling code? (1pt)

4. Discuss challenges experienced in developing the dual interrupt software code (1pts).

Course Number: ECET-340Laboratory Number: 2Page 1 of 4