Test.Gpio.Chaser

Test.Gpio.Chaser is a sample console program for Raspberry.IO.GeneralPurpose features.

It must be started, with elevated privileges, as follow:

mono Test.Gpio.Chaser.exe [-loop] [-roundTrip] [-width ww] [-speed ss] [-driver memory|file]

That is, under Raspbian, if not running as root:

sudo mono Test.Gpio.Chaser.exe [-loop] [-roundTrip] [-width ww] [-speed ss] [-driver memory|file]

Pin settings

Test.Gpio.Chaser is targeted to run with a revision 2 board having the following pins (as numbered on connector) wired:

• P1-03 : Input (button). Acts as a switch that toggle round-trip mode.
• P1-26 : Output (led 1)
• P1-24 : Output (led 2)
• P1-22 : Output (led 3)
• P1-15 : Output (led 4)
• P1-13 : Output (led 5)
• P1-11 : Output (led 6)

On the breadboard model below, led 1 is at right and led 6 at left.

Parameters

• loop: if set, chaser movement is made only once. If not, the chaser movement loops indefinitely.
• roundTrip: if set, chaser movement is a round-trip between first and last led. If not, it runs from led 1 to led 6
• width: the number of leds involved in the chaser
• speed: the chaser movement speed, in milliseconds between two steps
• driver: the connection driver, either memory or file