Getting Started

Chapter 7: Microcontroller Interrupts and Timers

;

DDRB |= 0xD8;

dString("You are talking to the JoyStick demo.\r");

// Demonstrator.c Joystick version

#include "PC_Comm.h"
#include "Demonstrator.h"

// declare global variables
volatile char KEY = 0
volatile char KEY_VALID = 0;
volatile char ENABLED = 0;

void initializer()
{

// Calibrate the oscillator:

OSCCAL_calibration();

// Initialize the USART
USARTinit();

// Init port pins

PORTB |= PINB_MASK;

DDRE = 0x00;

PORTE |= PINE_MASK;

// Enable pin change interrupt on PORTB and PORTE
PCMSK0 = PINE_MASK;
PCMSK1 = PINB_MASK;
EIFR = (1<<6)|(1<<7);
EIMSK = (1<<6)|(1<<7);

DDRD = 0xFF; // set PORTD for output
DDRB = 0X00; // set PORTB for input

PORTB = 0xFF; // enable pullup on for input
PORTD = 0XFF; // set LEDs off

// say hello
sendString("\rPC_Comm.c ready to communicate.\r");
// identify yourself specifically
sen

}

void parseInput(char s[])
{