Getting Started

Chapter 7: Microcontroller Interrupts and Timers

d Control version

#include "PC_Comm.h"

1<<PINB6)|(1<<PINB7))

2)|(1<<PINE3))

second

= 0; // IR detector count per second

astspeed = 0; // IR detector count per second

d initializer()

the oscillator:

OSCCAL_calibration();

SART

(1 << 7); // flag for PCINT15-8

PORTB for input

nable pullup on for input

tput

(1 << PIND0); // set pin 0 to enable pullup

lliS gnal

PC_Comm.c ready to communicate.\r");
elf specifically
are talking to the Motor Speed Control
r");
sendString("setxxx to set speed\r");

// Demonstrator.c Motor Spee

#include "Demonstrator.h"

#define PINB_MASK ((1<<PINB4)|(
#define PINE_MASK ((1<<PINE

unsigned char milliseconds = 0;
unsigned int second = 0; // count to 1000 and trigger one
event
unsigned int speed
unsigned int l

voi
{
// Calibrate

// Initialize the U
USARTinit();

// Set for pin change on PINB0
PCMSK0 = (1 << PINB0); //
EIFR =
EIMSK = (1 << 7); // mask for PCINT15-8

DDRB = 0X00; // set
PORTB = 0xFF; // e

// set PORTD for output
//DDRD = 0xFF;
DDRD = (1 << PIND0); // set pin 0 to ou
PORTD =

mi ecInit(127); // 50% duty cycle 1kHz si

// say hello
sendString("\r
// identify yours
sendString("You
demo.\

}