[BC19-02]LEDサイコロ

/* 7-LED-DICE

* Traget : ATTINY26/861

*

* Input :

 *  ADC3(PA4) <PIN14> : A-D Convertor ( optical transistor ) Input : bright->Low V, dark->High V

*  PB6(INT0) <PIN9>   :  Tact Switch   1:ON 0:OFF

* Output:

*  PA0123 <PIN20,19,18,17> : LED1,2,3,4

*  PB012  <PIN1,2,3> : LED5,6,7

*  PA7 <PIN11> : Buzzer

*

*  # LED layout

*   PA0  PA1  PA2

*        PA3

*   PB0  PB1  PB2

*

*/

#include <avr/io.h>

#define  led1_on()   ( PORTA |= (1<<PA0) )

#define led2_on()     ( PORTA |= (1<<PA1) )

#define led3_on()     ( PORTA |= (1<<PA2) )

#define led4_on()     ( PORTA |= (1<<PA3) )

#define led5_on()     ( PORTB |= (1<<PB0) )

#define led6_on()     ( PORTB |= (1<<PB1) )

#define led7_on()     ( PORTB |= (1<<PB2) )

#define led1_off()     ( PORTA &= ~(1<<PA0) )

#define led2_off()     ( PORTA &= ~(1<<PA1) )

#define led3_off()     ( PORTA &= ~(1<<PA2) )

#define led4_off()     ( PORTA &= ~(1<<PA3) )

#define led5_off()     ( PORTB &= ~(1<<PB0) )

#define led6_off()     ( PORTB &= ~(1<<PB1) )

#define led7_off()     ( PORTB &= ~(1<<PB2) )

#define led_b_on() ( PORTB |= 0b00000111 )

#define led_a_on() ( PORTA |= 0b00001111 )

#define led_b_off() ( PORTB &= ~0b00000111 )

#define led_a_off() ( PORTA &= ~0b00001111 )

#define buz()  ( PORTA ^= (1<<PA7) )

#define is_switch()   !( PINB & (1<<PB6) )

#define OFF 0x00

#define ON  0xff

#define TONE_LENGTH  100

#define PAUSE_LENGTH 5000

#define DARK_THRESHOLD 220

int adconv(void)

/* AD Convertor */

{

 int adata;

 /* Tiny26 */

 ADCSR |= (1<<ADEN) | (1<<ADSC); // A-D convertor enable,

 ADMUX = (1<<ADLAR) | (0b011); // Tyny26/861 : ADLAR=1, ADC3 SingleEndedInput

 while ( !(ADCSR & (1<<ADIF)) ); // Tiny26

 adata = ADCH;

 ADCSR &=~(1<<ADIF); // Tiny26

 /* Tiny 861

 ADCSRA |= (1<<ADEN) | (1<<ADSC); // Tiny861 A-D convertor enable,

 ADMUX = (1<<ADLAR) | (0b011); // Tyny26/861 : ADLAR=1, ADC3 SingleEndedInput

 while ( !(ADCSRA & (1<<ADIF)) ); // Tiny861

 adata = ADCH;

 ADCSRA &=~(1<<ADIF); // Tiny861

  */

 return adata;

}

uint8_t is_adc_switch(void)

// return value : bright -> dark : 0xff, else  : 0x00

{

 static uint8_t previous = 0x00; // Previous blightness 0xff: bright, 0x00:dark

 int d;

  uint8_t result;

 d = adconv();

  if (d > DARK_THRESHOLD) {

  // dark

  if (previous == 0xff) {

   result = 0xff;

  } else {

   result = 0x00;

  }

  previous = 0x00;

 } else {

  // bright

  result = 0x00;

  previous = 0xff;

 }

 return result;

}

uint8_t is_dark(void)

// return value : dark : 0, bright : 0xff

{

  int d;

  d = adconv();

  if (d > DARK_THRESHOLD) {

   //dark

   return 0xff;

  } else {

   return 0x00;

  }

}

void wait(volatile int32_t i)

{

 while (i-- > 0);

}

void init_io(void)

{

 // Initialize I/O Port

 PORTB |= (1<<PB6); // Pull up ON PB6 (switch)

 DDRB &= ~(1<<PB6); // PB6 as input

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

 DDRA &= ~(1<<PA4); // PA4 (ADC3) as input

 DDRA |= (1<<PA0) | (1<<PA1) | (1<<PA2) | (1<<PA3) | (1<<PA7);

}

void tone(int16_t length)

{

 int16_t i;

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

  buz();

  wait(8);

 }

}

void dice1(void)

{

 led4_on(); tone(TONE_LENGTH * 10); wait(PAUSE_LENGTH);

}

void dice2(void)

{

 led1_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led7_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

}

void dice3(void)

{

 led1_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led4_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led7_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

}

void dice4(void)

{

 led1_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led3_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led5_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led7_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

}

void dice5(void)

{

 led1_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led3_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led4_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led5_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led7_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

}

void dice6(void)

{

 led1_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led2_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led3_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led5_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led6_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

 led7_on();   tone(TONE_LENGTH); wait(PAUSE_LENGTH);

}

void dice_off()

{

 led1_off();

 led2_off();

 led3_off();

 led4_off();

 led5_off();

 led6_off();

 led7_off();

}

int main(void)

{

 init_io();

 volatile uint8_t v = 0;

 while(is_adc_switch() || is_switch());

 dice_off();

 while(1) {

  if (is_adc_switch() || is_switch()) {

   dice_off();

   while(is_adc_switch() || is_switch() ) {

    // ready

    led_a_on();

    wait(500);

    led_b_on();

    wait(500);

    led_a_off();

    wait(500);

    led_b_off();

    wait(500);

    v++;

   }

   // dice

   switch (v % 6){

    case 0:

     dice6();

     break;

    case 1:

     dice1();

     break;

    case 2:

     dice2();

     break;

    case 3:

     dice3();

     break;

    case 4:

     dice4();

     break;

    case 5:

     dice5();

     break;

    default:

     dice_off();

   }

   while ( !is_switch() && is_dark() ) {

    v++;

   }

  } else {

   v++;

  }

 }

 return 0;

}

# AVR-GCC Makefile

PROJECT=dice-tiny26

SOURCES=$(PROJECT).c

CC=avr-gcc

OBJCOPY=avr-objcopy

MMCU=attiny26

TARGETDEV=t26

CFLAGS=-mmcu=$(MMCU) -Wall

$(PROJECT).hex: $(PROJECT).out

  $(OBJCOPY) -j .text -O ihex $(PROJECT).out $(PROJECT).hex

$(PROJECT).out: $(SOURCES)

 $(CC) $(CFLAGS)  -I./  -o $(PROJECT).out $(SOURCES)

program: $(PROJECT).hex

 sudo avrdude -p $(TARGETDEV) -P usb -c avrispmkII -e -U flash:w:$(PROJECT).hex

clean:

 rm -f $(PROJECT).out

 rm -f $(PROJECT).hex

# AVR-GCC Makefile

PROJECT=dice-tiny26

SOURCES=$(PROJECT).c

CC=avr-gcc

OBJCOPY=avr-objcopy

MMCU=attiny861

TARGETDEV=t861

CFLAGS=-mmcu=$(MMCU) -Wall

$(PROJECT).hex: $(PROJECT).out

  $(OBJCOPY) -j .text -O ihex $(PROJECT).out $(PROJECT).hex

$(PROJECT).out: $(SOURCES)

 $(CC) $(CFLAGS)  -I./  -o $(PROJECT).out $(SOURCES)

program: $(PROJECT).hex

 sudo avrdude -p $(TARGETDEV) -P usb -c avrispmkII -e -U flash:w:$(PROJECT).hex

clean:

 rm -f $(PROJECT).out

 rm -f $(PROJECT).hex