Led Race Code
/*
* ____ _ ______ _____ _____
/ __ \ | | | ____| __ \ | __ \
| | | |_ __ ___ _ __ | | | |__ | | | | | |__) |__ _ ___ ___
| | | | '_ \ / _ \ '_ \ | | | __| | | | | | _ // _` |/ __/ _ \
| |__| | |_) | __/ | | | | |____| |____| |__| | | | \ \ (_| | (_| __/
\____/| .__/ \___|_| |_| |______|______|_____/ |_| \_\__,_|\___\___|
| |
|_|
Open LED Race
An minimalist cars race for LED strip
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
by gbarbarov@singulardevices.com for Arduino day Seville 2019 https://www.hackster.io/gbarbarov/open-led-race-a0331a https://twitter.com/openledrace Code made dirty and fast, next improvements in: https://gitlab.com/open-led-race https://openledrace.net/open-software/
- /
- include <Adafruit_NeoPixel.h>
- define MAXLED 180 // MAX LEDs actives on strip
//Pins Arduino Day 19 version
- define PIN_LED 27 // R 500 ohms to DI pin for WS2812 and WS2813, for WS2813 BI pin of first LED to GND , CAP 1000 uF to VCC 5v/GND,power supplie 5V 2A
- define PIN_P1 16 // switch player 1 to PIN and GND
- define PIN_P2 18 // switch player 2 to PIN and GND
- define PIN_AUDIO 21 // through CAP 2uf to speaker 8 ohms
//Pins Maker Faire Roma 19 version //#define PIN_LED 2 // R 500 ohms to DI pin for WS2812 and WS2813, for WS2813 BI pin of first LED to GND , CAP 1000 uF to VCC 5v/GND,power supplie 5V 2A //#define PIN_P1 G34 // switch player 1 to PIN and GND //#define PIN_P2 A2 // switch player 2 to PIN and GND //#define PIN_AUDIO 3 // through CAP 2uf to speaker 8 ohms
int NPIXELS=MAXLED; // leds on track
- define COLOR1 track.Color(255,0,0)
- define COLOR2 track.Color(0,0,255)
int win_music[] = {
2637, 2637, 0, 2637, 0, 2093, 2637, 0, 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 laps race
float ACEL=0.2;
float kf=0.015; //friction constant
float kg=0.003; //gravity constant
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)) //push switch 1 on reset for activate physic
{
set_ramp(12,90,100,110); // ramp centred in LED 100 with 10 led fordward and 10 backguard
for(int i=0;i<NPIXELS;i++){track.setPixelColor(i, track.Color(0,0,(127-gravity_map[i])/8) );};
track.show();
};
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);}; // lib conflict !!!! interruption off by neopixel
};
}
