init: So I don't lose it again

.gitignore

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+.pio
+.ccls-cache
+lib
+include
+test

platformio.ini

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+;PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:uno]
+platform = atmelavr
+board = uno
+framework = arduino
+

src/main.cpp

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+/*
+LEDs: 3 - 12
+Punkte: Register
+
+(Buttons)
+Player 1: A0, 1-4 in Reg
+Player 2: A1, 5-7,15 in Reg
+ */
+#include "Arduino.h"
+#define LMAX 13
+#define LMIN 3
+#define LMID 8
+
+typedef enum direction { up = 1, down = -1 } dir;
+
+typedef struct p {
+  int id;
+  int binarynum;
+  int punkte;
+  int pressed;
+} player;
+
+player p1, p2;
+int speed = 10;
+// Pin connected to ST_CP of 74HC595
+int latchPin = 18;
+// Pin connected to SH_CP of 74HC595
+int clockPin = 17;
+////Pin connected to DS of 74HC595
+int dataPin = 16;
+
+void gameLoop();
+int pressLoop(player *p);
+void ledActive(int l, dir d);
+void ledOn(int l);
+void ledOff(int l);
+void anticheat(int l);
+void release(int l, dir d);
+void setPoints(int p);
+void gameEnd(player *p);
+void endAnimation();
+void startupAnimation();
+void resetPlayer();
+
+void setup() {
+  // Serial.begin(9600);
+
+  // init pins
+  for (int i = 3; i <= LMAX; ++i) {
+    pinMode(i, OUTPUT);
+  }
+
+  pinMode(14, INPUT);
+  pinMode(15, INPUT);
+
+  pinMode(latchPin, OUTPUT);
+  pinMode(clockPin, OUTPUT);
+  pinMode(dataPin, OUTPUT);
+
+  resetPlayer();
+
+  randomSeed(analogRead(6));
+  startupAnimation();
+}
+
+// int a = 0;
+// void test() {
+//   if (digitalRead(p1.id)) {
+//     ledOn(8);
+//   }
+//   delay(25);
+//   ledOff(8);
+//   if (digitalRead(p2.id) && a == 0) {
+//     a = 1;
+//     digitalWrite(latchPin, LOW);
+//     shiftOut(dataPin, clockPin, MSBFIRST, 16);
+//     digitalWrite(latchPin, HIGH);
+//     delay(300);
+//   }
+//   if (digitalRead(p2.id) && a == 1) {
+//     a = 0;
+//     digitalWrite(latchPin, LOW);
+//     shiftOut(dataPin, clockPin, MSBFIRST, 0);
+//     digitalWrite(latchPin, HIGH);
+//     delay(200);
+//   }
+// }
+
+
+void loop() {
+  setPoints(0);
+  gameLoop();
+}
+
+// Setzt Status des Playerbuttons
+void anticheat(int l) {
+  if (digitalRead(p1.id) && l != LMAX) {
+    p1.pressed = 1;
+  }
+  if (digitalRead(p2.id) && l != LMIN) {
+    p2.pressed = 1;
+  }
+}
+
+void release(int l, dir d) {
+  if (l == LMAX - 1 && d == down)
+    p1.pressed = 0;
+  if (l == LMIN + 1 && d == up)
+    p2.pressed = 0;
+}
+
+void ledOn(int l) { digitalWrite(l, HIGH); }
+
+void ledOff(int l) { digitalWrite(l, LOW); }
+
+void ledActive(int l, dir d) {
+  // Rand speed in der Mitte
+  if (l == LMID) {
+    speed = random(30, 120);
+    // speed = 800;
+  }
+
+  if (d == up) {
+    ledOff(l - 1);
+  } else {
+    ledOff(l + 1);
+  }
+  ledOn(l);
+
+  // Abfrage was zu tun ist (warten oder Knopf checken)
+  if (l == LMIN) {
+    if (pressLoop(&p2)) {
+      p2.binarynum >>= 1;
+      p2.punkte += p2.binarynum;
+      setPoints(p1.punkte + p2.punkte);
+    }
+  } else if (l == LMAX) {
+    if (pressLoop(&p1)) {
+      p1.binarynum >>= 1;
+      p1.punkte += p1.binarynum;
+      setPoints(p1.punkte + p2.punkte);
+    }
+  } else {
+    delay(speed);
+    anticheat(l);
+    release(l, d);
+  }
+}
+// ret 1 wenn in zeit gedrückt, 0 sonst
+int pressLoop(player *p) {
+  // Falls gecheated wurde, aussetzen
+  if (p->pressed) {
+    delay(speed);
+    return 0;
+  }
+
+  // Abfrageloop
+  for (int i = 0; i < speed; ++i) {
+    if (digitalRead(p->id)) {
+      return 1;
+    }
+    delay(1);
+  }
+  return 0;
+}
+
+void gameLoop() {
+  int led = LMID;
+  dir d = (random(0,11) < 5) ? up : down;
+  // dir d = up;
+
+  while (true) {
+    // Richtung bei erreichen von letzter LED wechseln
+    if (led == LMAX && d == up) {
+      d = down;
+    } else if (led == LMIN && d == down) {
+      d = up;
+    }
+    // Je nach Richtung inc oder dec
+    led = (d == up) ? led + 1 : led - 1;
+    // LED aktivieren und buttons checken
+    ledActive(led, d);
+    // GAME OVER
+    if (p1.punkte == 15) {
+      gameEnd(&p1);
+      return;
+    }
+    if (p2.punkte == 240) {
+      gameEnd(&p2);
+      return;
+    }
+  }
+}
+
+void setPoints(int p) {
+  digitalWrite(latchPin, LOW);
+  // shift out the bits:
+  // 1, 2, 4, 8, 16, 32, 64, 128
+  shiftOut(dataPin, clockPin, MSBFIRST, p);
+  // take the latch pin high so the LEDs will light up:
+  digitalWrite(latchPin, HIGH);
+}
+
+void resetPlayer() {
+  // Player 1 Init
+  p1.id = 15; // Analog 1
+  p1.binarynum = 16;
+  p1.punkte = 0;
+  p1.pressed = 0;
+
+  // Player 2 Init
+  p2.id = 14; // Analog 0
+  p2.binarynum = 256;
+  p2.punkte = 0;
+  p2.pressed = 0;
+}
+
+void gameEnd(player *p) {
+  for (int i = 0; i < 5; ++i) {
+    digitalWrite(latchPin, LOW);
+    shiftOut(dataPin, clockPin, MSBFIRST, 0);
+    digitalWrite(latchPin, HIGH);
+    delay(80);
+    digitalWrite(latchPin, LOW);
+    shiftOut(dataPin, clockPin, MSBFIRST, p->punkte);
+    digitalWrite(latchPin, HIGH);
+    delay(80);
+  }
+  endAnimation();
+
+  digitalWrite(latchPin, LOW);
+  shiftOut(dataPin, clockPin, MSBFIRST, 0);
+  digitalWrite(latchPin, HIGH);
+  delay(80);
+
+  resetPlayer();
+}
+
+void endAnimation() {
+  int speed = 25;
+  for (int i = 0; i < 10; ++i) {
+    for (int i = 0; i < 6; ++i) {
+      ledOn(LMID + i);
+      ledOn(LMID - i);
+      delay(speed);
+      ledOff(LMID + i);
+      ledOff(LMID - i);
+    }
+    for (int i = 0; i < 6; ++i) {
+      ledOn(LMIN + i);
+      ledOn(LMAX - i);
+      delay(speed);
+      ledOff(LMIN + i);
+      ledOff(LMAX - i);
+    }
+  }
+}
+
+void startupAnimation() {
+  for (int j = 0; j < 2; j++) {
+    for (int i = 1; i < 200; i *= 2) {
+      digitalWrite(latchPin, LOW);
+      shiftOut(dataPin, clockPin, MSBFIRST, i);
+      digitalWrite(latchPin, HIGH);
+      delay(100);
+    }
+  }
+}