gattai led hotaru 最近の更新履歴 kaimunantai gattai led hotaru

(1)

Bread board Challenge 2012

[BC12-02] Gattai LED Hotaru

#1 3-LED Module

(1) Parts

(2) Layout

(3) Schematic

1 ( ) 3-

a

LED Module

( )

b Assembled Modules

(2)

(4) Firmware Source Code

// Gattai LED Hotaru

// INT0 : Falling Edge Int. by Optical transistor 0:Blight 1:Dark // INT1 : Falling Edge Int. by Aux Input

// PD0 : Buzzer

// PD1 : Aux.Signal Output

// PB0, PB1, PB2 : LED1,2,3 1:OFF 0:ON

#include <avr/io.h> #include <avr/interrupt.h>

// Light Pattern ID

#define P_STANDBY 0x00 #define P_SHIFT 0x01 #define P_BLINK 0x02

// Buzzer Control ID #define ON 0x01 #define OFF 0x00

// Initial Light Pattern

volatile int PATTERN = P_STANDBY;

void wait(volatile long i) {

while (i-- > 0); }

void buz(char c) // buzzer control {

switch (c) { case ON:

PORTD |= (1<<PD0); break;

case OFF:

PORTD &= ~(1<<PD0); break;

} }

void beep(int length, int height) // beep !

{

volatile long i, j;

for ( i = 0; i <length; i++) { buz(ON);

for ( j = 0; j < height; j++); buz(OFF);

for ( j = 0; j < height; j++); }

(3)

}

void led(int led1, int led2, int led3) // led light on / off

// led1,2,3 : 0...OFF, 1...ON {

PORTB |= (1<<PB0) | (1<<PB1) | (1<<PB2) ;

PORTB &= ~( (led1<<PB0) | (led2<<PB1) | (led3<<PB2) ); }

void auxout(void)

// Output Auxiliary Signal {

PORTD |= (1<<PD1); wait(100); PORTD &= ~(1<<PD1); wait(10000); }

void pattern(int no) // Light Pattern Control {

int i; switch (no) {

case P_SHIFT:

led(1, 0, 0); wait(10000); led(1, 1, 0); wait(10000); led(1, 1, 1); wait(10000); led(1, 1, 0); wait(10000); led(1, 0, 0); wait(10000); led(0, 0, 0); wait(10000); break;

case P_BLINK:

for ( i = 0; i < 3; i++) {

led(0, 0, 0); wait(20000); led(1, 1, 1); wait(20000); }

break; default:

led(0, 0, 0); wait(200000); }

}

ISR(INT0_vect)

// Interrupt 0 : Optical Transistor input {

beep(100, 10); switch (PATTERN) {

case P_STANDBY:

PATTERN = P_SHIFT; auxout();

break; default :

PATTERN = P_STANDBY; }

pattern(PATTERN);

(4)

}

ISR(INT1_vect)

// Interrupt 1 : Arrival Auxiliary Signal from Another Module {

beep(50, 5); switch (PATTERN) {

case P_STANDBY:

PATTERN = P_SHIFT; break;

case P_SHIFT:

PATTERN = P_BLINK; break;

case P_BLINK:

PATTERN = P_SHIFT; break;

}

pattern(PATTERN); auxout();

}

int main(void) {

// Initialize I/O Port PORTD = 0xff;

DDRD = (1<<PD0) | (1<<PD1) | (0<<PD2) | (0<<PD3); DDRB = (1<<PB0) | (1<<PB1) | (1<<PB2) | (1<<PB4);

// Intialize Interrupt MCUCR |= (1<<ISC01); MCUCR &= ~(1<<ISC00); GIMSK |= (1<<INT0);

MCUCR |= (1<<ISC11); MCUCR &= ~(1<<ISC10); GIMSK |= (1<<INT1);

// STANDBY

led(1, 1, 1); wait(10000);

// Interrupt Enable sei();

// Start Sequence beep(400, 2); while (1); return 0; }