Código do Open LED Race
Uma corrida de carro minimalista para fitas LED
Este é um programa grátis; você pode distribuir e/ou modificar pelos termos do GNU Gerneral Public License (Licença Pública Geral) publicando pela Free Software Foundation (Fundação de Software Gratuitos); e também pela versão 3 da Licença, ou (à sua escolha) qualquer versão recente. Por gbarbarov@singulardevices.com para Arduino day Seville 2019
https://www.hackster.io/gbarbarov/open-led-race-a0331a
https://twitter.com/openledrace
Mais alguns melhoramentos em:
https://gitlab.com/open-led-race
https://openledrace.net/open-software/
Adaptado de Open Led Race por César Bastos
#include <Adafruit_NeoPixel.h> // inclui a biblioteca Adafruit NeoPixel
#define MAXLED 300 // número máximo de leds da pista
//Pins Arduino Day 19 version
#define PIN_LED A0 // R 470 ohms para o pino DI da fita WS2812 e WS2813, CAP 1000 uF, VCC 5v/GND, fonte de energia de 5V 2A.
#define PIN_P1 7 // botão do jogador 1: PIN e GND
#define PIN_P2 6 // botão do jogador 2: PIN e GND
#define PIN_AUDIO 3 // Ligar um falante de 4 a 8 ohms, mas passando por um capacitor de 1uf
int NPIXELS=MAXLED;
#define COLOR1 track.Color(255,0,0) // Cor carrinho 1
#define COLOR2 track.Color(0,255,0) // Cor carrinho 2
int win_music[] = { // Música de vitória
2093, 2637, 3136, 2093,
2637, 3136, 2093, 2637,
3136
};
byte gravity_map[MAXLED];
int TBEEP=3;
float speed1=0;
float speed2=0;
float dist1=0;
float dist2=0;
byte loop1=0;
byte loop2=0;
byte leader=0;
byte loop_max=5; //total de voltas da corrida
float ACEL=0.2;
float kf=0.015; //constante de atrito
float kg=0.003; //constante de gravidade
byte flag_sw1=0;
byte flag_sw2=0;
byte draworder=0;
unsigned long timestamp=0;
Adafruit_NeoPixel track = Adafruit_NeoPixel(MAXLED, PIN_LED, NEO_GRB + NEO_KHZ800);
int tdelay = 5;
void set_ramp(byte H,byte a,byte b,byte c)
{for(int i=0;i<(b-a);i++){gravity_map[a+i]=127-i*((float)H/(b-a));};
gravity_map[b]=127;
for(int i=0;i<(c-b);i++){gravity_map[b+i+1]=127+H-i*((float)H/(c-b));};
}
void set_loop(byte H,byte a,byte b,byte c)
{for(int i=0;i<(b-a);i++){gravity_map[a+i]=127-i*((float)H/(b-a));};
gravity_map[b]=255;
for(int i=0;i<(c-b);i++){gravity_map[b+i+1]=127+H-i*((float)H/(c-b));};
}
void setup() {
for(int i=0;i<NPIXELS;i++){gravity_map[i]=127;};
track.begin();
pinMode(PIN_P1,INPUT_PULLUP);
pinMode(PIN_P2,INPUT_PULLUP);
if ((digitalRead(PIN_P1)==0)) // apertar o player 1 na incialização para ativar a física
{
//RAMPA
set_ramp(12,90,100,110); // rampa centrada no LED 100, com 10 LEDs de subida e 10 LEDs de decida
for(int i=0;i<NPIXELS;i++){track.setPixelColor(i, track.Color(0,0,(127-gravity_map[i])/8) );};
track.show();
//Para fazer novas rampas, basta copiar o set_ramp e atribuir novos valores: set_ramp(12, x, y, z)
// x = Início da rampa
// y = Pico da rampa
// z = final da rampa
};
start_race();
}
void start_race(){for(int i=0;i<NPIXELS;i++){track.setPixelColor(i, track.Color(0,0,0));};
track.show();
delay(2000);
track.setPixelColor(12, track.Color(0,255,0));
track.setPixelColor(11, track.Color(0,255,0));
track.show();
tone(PIN_AUDIO,400);
delay(2000);
noTone(PIN_AUDIO);
track.setPixelColor(12, track.Color(0,0,0));
track.setPixelColor(11, track.Color(0,0,0));
track.setPixelColor(10, track.Color(255,255,0));
track.setPixelColor(9, track.Color(255,255,0));
track.show();
tone(PIN_AUDIO,600);
delay(2000);
noTone(PIN_AUDIO);
track.setPixelColor(9, track.Color(0,0,0));
track.setPixelColor(10, track.Color(0,0,0));
track.setPixelColor(8, track.Color(255,0,0));
track.setPixelColor(7, track.Color(255,0,0));
track.show();
tone(PIN_AUDIO,1200);
delay(2000);
noTone(PIN_AUDIO);
timestamp=0;
};
void winner_fx() {
int msize = sizeof(win_music) / sizeof(int);
for (int note = 0; note < msize; note++) {
tone(PIN_AUDIO, win_music[note],200);
delay(230);
noTone(PIN_AUDIO);
}
};
void burning1(){
//to do
}
void burning2(){
//to do
}
void track_rain_fx(){
//to do
}
void track_oil_fx(){
//to do
}
void track_snow_fx(){
//to do
}
void fuel_empty(){
//to do
}
void fill_fuel_fx(){
//to do
}
void in_track_boxs_fx(){
//to do
}
void pause_track_boxs_fx(){
//to do
}
void flag_boxs_stop(){
//to do
}
void flag_boxs_ready(){
//to do
}
void draw_safety_car(){
//to do
}
void telemetry_rx(){
//to do
}
void telemetry_tx(){
//to do
}
void telemetry_lap_time_car1(){
//to do
}
void telemetry_lap_time_car2(){
//to do
}
void telemetry_record_lap(){
//to do
}
void telemetry_total_time(){
//to do
}
int read_sensor(byte player){
//to do
}
int calibration_sensor(byte player){
//to do
}
int display_lcd_laps(){
//to do
}
int display_lcd_time(){
//to do
}
void draw_car1(void){for(int i=0;i<=loop1;i++){track.setPixelColor(((word)dist1 % NPIXELS)+i, track.Color(0,255-i*20,0));};
}
void draw_car2(void){for(int i=0;i<=loop2;i++){track.setPixelColor(((word)dist2 % NPIXELS)+i, track.Color(255-i*20,0,0));};
}
void loop() {
//for(int i=0;i<NPIXELS;i++){track.setPixelColor(i, track.Color(0,0,0));};
for(int i=0;i<NPIXELS;i++){track.setPixelColor(i, track.Color(0,0,(127-gravity_map[i])/8) );};
if ( (flag_sw1==1) && (digitalRead(PIN_P1)==0) ) {flag_sw1=0;speed1+=ACEL;};
if ( (flag_sw1==0) && (digitalRead(PIN_P1)==1) ) {flag_sw1=1;};
if ((gravity_map[(word)dist1 % NPIXELS])<127) speed1-=kg*(127-(gravity_map[(word)dist1 % NPIXELS]));
if ((gravity_map[(word)dist1 % NPIXELS])>127) speed1+=kg*((gravity_map[(word)dist1 % NPIXELS])-127);
speed1-=speed1*kf;
if ( (flag_sw2==1) && (digitalRead(PIN_P2)==0) ) {flag_sw2=0;speed2+=ACEL;};
if ( (flag_sw2==0) && (digitalRead(PIN_P2)==1) ) {flag_sw2=1;};
if ((gravity_map[(word)dist2 % NPIXELS])<127) speed2-=kg*(127-(gravity_map[(word)dist2 % NPIXELS]));
if ((gravity_map[(word)dist2 % NPIXELS])>127) speed2+=kg*((gravity_map[(word)dist2 % NPIXELS])-127);
speed2-=speed2*kf;
dist1+=speed1;
dist2+=speed2;
if (dist1>dist2) {leader=1;}
if (dist2>dist1) {leader=2;};
if (dist1>NPIXELS*loop1) {loop1++;tone(PIN_AUDIO,600);TBEEP=2;};
if (dist2>NPIXELS*loop2) {loop2++;tone(PIN_AUDIO,700);TBEEP=2;};
if (loop1>loop_max) {for(int i=0;i<NPIXELS;i++){track.setPixelColor(i, track.Color(0,255,0));}; track.show();
winner_fx();loop1=0;loop2=0;dist1=0;dist2=0;speed1=0;speed2=0;timestamp=0;
start_race();
}
if (loop2>loop_max) {for(int i=0;i<NPIXELS;i++){track.setPixelColor(i, track.Color(255,0,0));}; track.show();
winner_fx();loop1=0;loop2=0;dist1=0;dist2=0;speed1=0;speed2=0;timestamp=0;
start_race();
}
if ((millis() & 512)==(512*draworder)) {if (draworder==0) {draworder=1;}
else {draworder=0;}
};
if (draworder==0) {draw_car1();draw_car2();}
else {draw_car2();draw_car1();}
track.show();
delay(tdelay);
if (TBEEP>0) {TBEEP-=1;
if (TBEEP==0) {noTone(PIN_AUDIO);};
};
}