Getting Started

Chapter 7: Microcontroller Interrupts and Timers

sendString("The joystick position is: ");

break;

break;

SH:
sendString("PUSH");
break;
default:

}

re

e to the correct

irector

e:

PC_Comm.c ready to communicate.

k = KEY_INVALID; // No key stroke available

sei(); // enable interrupts

if(k != KEY_INVALID)
{

switch(k)
{
case KEY_UP:
sendString("UP");
break;
case KEY_DOWN:
sendString("DOWN");

case KEY_LEFT:
sendString("LEFT");

case KEY_RIGHT:
sendString("RIGHT");
break;
case KEY_PU

sendString("?");
break;
}

sendChar('\r');

turn k;
}

Compile it and download to the Butterfly (remembering to brows
d y).

Using joystick

Using HyperTerminal, you should se