I/O Setup

Info and examples on setting up I/O.

Button and Encoder input using iOC.: This project uses the Interrupt On Change (IOC) feature to determine when external buttons have been pressed.
I/O using interrupts.: Provides an example of Interrupt on Change processing with external I/O.
IDE interface for CD-ROM drive: This project provides an example of how to connect to a standard ATAPI CD-ROM drive using a 16 bit IDE buss.
Relay driver.: Quick and simple info and code to drive a relay using general purpose I/O.
Stepper and Actuator Control: Provides an example of controlling a stepper motor and various actuators in software.
Telco interface example: This project provides an example of how to connect to a standard telephone line.
Using a 2 bit rotary encoder.: This project provides code for decoding and debouncing a 2 bit rotary encoder.