// driver for 6x 8xWS2812 led sticks
//raunbowflow down, MAX module and tasters to adjust speed
//lled sticks behind 4 layers laserprinting transparent Foil with MEOW letters :3
#include <SPI.h>
#include <bitBangedSPI.h>
#include <MAX7219.h>

const byte chips = 1;
// 1 chip, bit banged SPI on pins 6, 7, 8
MAX7219 display (chips, PA4, PA7, PA5);  // Chips / LOAD / DIN / CLK
String outzi = "Purrrrrr ";
#include <FastLED.h>
#define screeny   49 //bit longer than stripe
CRGBPalette16 currentPalette;
TBlendType    currentBlending;
#define UPDATES_PER_SECOND 5000
extern CRGBPalette16 myRedWhiteBluePalette;

CRGB leds[screeny];
uint16_t beat=2246;// need more time for adjusting

#define t1   PB14
#define t2   PB13
#define t3   PB15
#define t4   PA8
//7#define t5   PA8
void setup(){
pinMode(t1, INPUT); pinMode(t2, INPUT); pinMode(t3 ,INPUT); pinMode(t4 ,INPUT);//  pinMode(t5 ,INPUT);
FastLED.addLeds<WS2812, PB8, GRB>(leds, screeny);
FastLED.setBrightness(255);
currentPalette = RainbowColors_p;
currentBlending = BLEND;
delay(300);display.begin();zeigwort("boot",1);delay(100);
   }

uint8_t onpress[12];
uint8_t stepz=0;
uint16_t stepcount;
void loop(){zeitreise();}

long maintime=millis();long littletime=micros();long slowtime=millis();
void zeitreise(void){
  while ((millis()- maintime)  >=  5){maintime=millis();onpress[10]++;istinput();}
  while ((millis()- slowtime)  >=  100){slowtime = millis();}
  while ((micros()- littletime)  >=  (beat*10)){littletime = micros();
  stepz+=16;if (stepz>255){stepz=0;}if(stepz>230){zeigzahl(8888,2);}else{zeigzahl(1111,2);}

  stepcount=stepz;
    for( int y = 0; y < 8; y++) {stepcount+=32;
      leds[y] = ColorFromPalette( currentPalette,stepcount,255,currentBlending);
      leds[y+8] = ColorFromPalette( currentPalette,stepcount,255,currentBlending);
      leds[y+16] = ColorFromPalette( currentPalette,stepcount,255,currentBlending);
      leds[y+24] = ColorFromPalette( currentPalette,stepcount,255,currentBlending);
      leds[y+32] = ColorFromPalette( currentPalette,stepcount,255,currentBlending);
      leds[y+40] = ColorFromPalette( currentPalette,stepcount,255,currentBlending);
      }
  FastLED.show();}
  }

void istinput(void){
  if (onpress[10] >2) {
  if (digitalRead(t1) == HIGH && onpress[0] ==0 && beat <4076) { onpress[0] =1; beat+=20;}
  if (onpress[0] == 1) { onpress[1]++;} if (onpress[1] >= 10) { onpress[1] =0; onpress[0]=0; }
  if (digitalRead(t2) == HIGH && onpress[2] ==0 && beat <4086) { onpress[2] =1; beat++; }
  if (onpress[2] == 1) { onpress[3]++;} if (onpress[3] >= 5) { onpress[3] =0; onpress[2]=0; }
  if (digitalRead(t3) == HIGH && onpress[4] ==0 && beat >20) { onpress[4] =1; beat-=20; }
  if (onpress[4] == 1) { onpress[5]++;} if (onpress[5] >= 10) { onpress[5] =0; onpress[4]=0; }
  if (digitalRead(t4) == HIGH && onpress[6] ==0 && beat >1) { onpress[6] =1; beat--; }
  if (onpress[6] == 1) { onpress[7]++;} if (onpress[7] >= 5) { onpress[7] =0; onpress[6]=0; }
//  if (digitalRead(t5) == HIGH && onpress[8] ==0) { onpress[8] =1; }
//  if (onpress[8] == 1)  { onpress[9]++;}if (onpress[9] >= 5) { onpress[9] =0; onpress[8]=0; }
  onpress[10]=0;
  zeigzahl(beat,1);
}}

void zeigzahl(int zahlz,int daa) {
 outzi="";
 if(zahlz <=9) {outzi+="0";}
 if(zahlz <=99) {outzi+="0";}
 if(zahlz <=999) {outzi+="0";}
outzi+=String(zahlz);
 if (daa ==1) {for (byte ixx = 0; ixx < 4; ixx++){display.sendChar (ixx, outzi[ixx]);}}
 if (daa ==2) {for (byte ix2 = 0; ix2 < 4; ix2++){display.sendChar (ix2+4, outzi[ix2]);}}
  zahlz=0;}
void zeigwort(String woortz,int hier) {
 if (hier == 1){for (int iqq = 0; iqq < 4; iqq++){display.sendChar (iqq, woortz[iqq]);}}
 if (hier == 2){for (int iq2 = 0; iq2 < 4; iq2++){display.sendChar (iq2+4, woortz[iq2]);}}
 woortz="";
 }