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knight_rider.ino
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/**
* ****************************************************** *
* Arduino Knight Rider - Leds & Theme *
* Gamboa <gamboa AT_NO_SPAM pdvel.com> *
* First Arduino project (Yeah this is a disclaimer :P) *
* ****************************************************** *
*/
#include "pitches.h"
/* NOTES AND TONES */
const int pinTone = 8;
typedef struct {
int note;
int tempo;
} notesType;
const notesType aNotes[] = {
// 1
{NOTE_A4, 250}, {NOTE_AS4, 125}, {NOTE_A4, 125},
{NOTE_A4, 125}, {NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_GS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_A4, 250}, {NOTE_AS4, 125}, {NOTE_A4, 125},
{NOTE_A4, 125}, {NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_GS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_G4, 250}, {NOTE_GS4, 125}, {NOTE_G4, 125},
{NOTE_G4, 125}, {NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_FS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_G4, 250}, {NOTE_GS4, 125}, {NOTE_G4, 125},
{NOTE_G4, 125}, {NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_FS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
// 2
{NOTE_A4, 250}, {NOTE_AS4, 125}, {NOTE_A4, 125},
{NOTE_A4, 125}, {NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_GS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_A4, 250}, {NOTE_AS4, 125}, {NOTE_A4, 125},
{NOTE_A4, 125}, {NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_GS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_G4, 250}, {NOTE_GS4, 125}, {NOTE_G4, 125},
{NOTE_G4, 125}, {NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_FS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_G4, 250}, {NOTE_GS4, 125}, {NOTE_G4, 125},
{NOTE_G4, 125}, {NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_FS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
// 3
{NOTE_A4, 250}, {NOTE_AS4, 125}, {NOTE_A4, 125},
{NOTE_A4, 125}, {NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_GS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_A4, 250}, {NOTE_AS4, 125}, {NOTE_A4, 125},
{NOTE_A4, 125}, {NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_GS4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125}, {NOTE_A4, 125},
{NOTE_G4, 250}, {NOTE_GS4, 125}, {NOTE_G4, 125},
{NOTE_G4, 125}, {NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_FS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_G4, 250}, {NOTE_GS4, 125}, {NOTE_G4, 125},
{NOTE_G4, 125}, {NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_GS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
{NOTE_FS4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125}, {NOTE_G4, 125},
// solo
{NOTE_A4, 250}, {NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_E5, 1500},
{NOTE_A5, 250}, {NOTE_AS5, 125}, {NOTE_A5, 125}, {NOTE_E5, 1500},
{NOTE_A4, 250}, {NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_E5, 250}, {NOTE_A5, 250}, {NOTE_G5, 2000},
{NOTE_A4, 250}, {NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_E5, 1500},
{NOTE_A5, 250}, {NOTE_AS5, 125}, {NOTE_A5, 125}, {NOTE_E5, 1500},
{NOTE_A4, 250}, {NOTE_AS4, 125}, {NOTE_A4, 125}, {NOTE_E5, 250}, {NOTE_A5, 250}, {NOTE_AS5, 2500}, {NOTE_G5, 250}, {NOTE_A5, 500}
};
int noteIndex = -1;
int totalNotes;
unsigned long tonePrevTime = 0;
int noteDelay = aNotes[(noteIndex + 1)].tempo;
/* LEDS */
const int pinLed[] = {3, 5, 6, 9, 10, 11}; /* PWM pins */
int ledIndex = -2;
int ledOrder = 1;
const int ledHighValue = 255; /* not used */
const int ledFadeValue = 70;
const int ledOffValue = 0; /* not used */
int totalLeds;
unsigned long ledPrevTime = 0;
const int ledDelay = 125;
unsigned long curTime = 0;
/* CONTROLER/SWITCH */
int pinControlOut = 13;
int pinControlIn = 12;
int controlDelay = 1000;
unsigned long controlPrevTime = 0;
int isLedControlerOn = 0;
int _playLed = 0;
int _playNote = 0;
/* SETUP */
void setup() {
pinMode(pinTone, OUTPUT);
pinMode(pinControlOut, OUTPUT);
pinMode(pinControlIn, INPUT);
digitalWrite(pinControlOut, HIGH);
isLedControlerOn = 1;
resetLeds(1);
totalLeds = sizeof(pinLed) / sizeof(int);
totalNotes = sizeof(aNotes) / sizeof(notesType);
}
/* LOOP */
void loop() {
//unsigned long curTime = millis();
curTime = millis();
/* CONTROLER/SWITCH */
if(curTime - controlPrevTime > controlDelay) {
controlPrevTime = curTime;
if(digitalRead(pinControlIn) == HIGH) {
if(isLedControlerOn == 1) {
digitalWrite(pinControlOut, LOW);
isLedControlerOn = 0;
_playLed = 1;
_playNote = 1;
} else {
digitalWrite(pinControlOut, HIGH);
isLedControlerOn = 1;
resetLeds(0);
resetTones();
}
}
}
/* LEDS */
if(curTime - ledPrevTime > ledDelay && _playLed == 1) {
ledPrevTime = curTime;
if(ledIndex > -2 && ledIndex < (totalLeds - 1)) {
if(pinLed[(ledIndex + 1)] == 11 || pinLed[(ledIndex + 1)] == 3) { // hack to tone() & analogWrite on pin 3 & 11
digitalWrite(pinLed[(ledIndex + 1)], HIGH);
} else {
analogWrite(pinLed[(ledIndex + 1)], ledFadeValue);
}
//analogWrite(pinLed[(ledIndex + 1)], ledFadeValue);
}
if(ledIndex > -1 && ledIndex < totalLeds) {
//analogWrite(pinLed[ledIndex], ledHighValue);
digitalWrite(pinLed[ledIndex], HIGH);
}
if(ledIndex > 0 && ledIndex < (totalLeds + 1)) {
if(pinLed[(ledIndex - 1)] == 11 || pinLed[(ledIndex - 1)] == 3) { // hack to tone() & analogWrite on pin 3 & 11
digitalWrite(pinLed[(ledIndex - 1)], HIGH);
} else {
analogWrite(pinLed[(ledIndex - 1)], ledFadeValue);
}
//analogWrite(pinLed[(ledIndex - 1)], ledFadeValue);
}
if(ledOrder == 1 && ledIndex > 1 && ledIndex < (totalLeds + 2)) {
//analogWrite(pinLed[(ledIndex - 2)], ledOffValue);
digitalWrite(pinLed[(ledIndex - 2)], LOW);
} else if(ledOrder == -1 && ledIndex > -3 && ledIndex < (totalLeds - 2)) {
//analogWrite(pinLed[(ledIndex + 2)], ledOffValue);
digitalWrite(pinLed[(ledIndex + 2)], LOW);
}
ledIndex += ledOrder;
if(ledIndex == (totalLeds + 2) && ledOrder == 1) {
ledOrder = -1;
} else if(ledIndex == -3 && ledOrder == -1){
ledOrder = 1;
}
}
/* NOTES AND TONES */
if(curTime - tonePrevTime >= noteDelay && _playNote == 1) {
noteIndex++;
tonePrevTime = curTime;
noTone(pinTone);
tone(pinTone, aNotes[noteIndex].note, aNotes[noteIndex].tempo);
noteDelay = aNotes[noteIndex].tempo;
if(noteIndex >= totalNotes) {
noteIndex = -1;
noteDelay = 10;
}
}
}
/**
* Reset or init leds
*/
void resetLeds(int setPinMode) {
int i;
_playLed = 0;
for(i=0; i < (sizeof(pinLed) / sizeof(int)); i++) {
if(setPinMode == 1) {
pinMode(pinLed[i], OUTPUT);
}
//analogWrite(pinLed[i], 0);
digitalWrite(pinLed[i], LOW);
}
ledIndex = -2;
ledOrder = 1;
}
/**
* Reset tones
*/
void resetTones() {
_playNote = 0;
noteIndex = -1;
noteDelay = aNotes[(noteIndex + 1)].tempo;
}