//little kote to driveone TM1839 (8taster,8digs,8led) module and some WS2812B leds with STM32F103C8T6 to show adjustable time running :3
//use it or parts if usefull

#include <TM1638.h>
#include <InvertedTM1638.h>
#define NO_MODULES  1
#define BOARD_LED_PIN PB1
#define spea PA1
#include <FastLED.h>
#define screeny   78 //bit longer than stripe
CRGBPalette16 currentPalette;
TBlendType    currentBlending;
#define UPDATES_PER_SECOND 5000
extern CRGBPalette16 myRedWhiteBluePalette;
CRGB leds[screeny];
uint8_t leddata[screeny][2];

// define a regular module and a inverted module
// datathinks PB12 - clockthinks PB13- Strobethinks PB14
TM1638 module(PB12, PB13, PB14);// 3wires to STM + gnd and 5V

TM1638* modules[NO_MODULES] = {&module,};
byte modes[NO_MODULES];

unsigned long runningSecs;
unsigned long startTime;
long startt  = 2400;
int leds1[8] = {0,2,4,6,8};
String cach="";
void setup() {
  delay(200);
  cach += "..";
  FastLED.addLeds<WS2812B, PB8, GRB>(leds, screeny);
  FastLED.setBrightness(255);
  currentPalette = RainbowColors_p;
  currentBlending = BLEND;
  startTime = millis();
    pinMode(BOARD_LED_PIN, OUTPUT);
  for (int i = 0; i < NO_MODULES; i++) {
    module.setupDisplay(true, 8);
    modes[i] = 0;
  }
}

void update(TM1638* module, byte* mode) {
  byte buttons = module->getButtons();
  // button pressed - change mode
  if (buttons != 0) {
    *mode = buttons >> 1;
  //  module->clearDisplay();

  }
  if (buttons ==1) {runningSecs++;}
  if (buttons ==2) {runningSecs+=60;}
  if (buttons ==4) {runningSecs+=3600;}
  if (buttons ==8) {startt --;}
  if (buttons ==16) {startt ++;}
  if (buttons ==32) {runningSecs-=3600;}
  if (buttons ==64) {runningSecs-=60;}
  if (buttons ==128) {runningSecs--;}
      cach ="";
     if ((((runningSecs/60)/60)%60) <=9){ cach+="0";}
     cach +=((runningSecs/60)/60)%60;
     cach += "-";
     if (((runningSecs/60)%60) <=9){ cach+="0";}
     cach +=(runningSecs/60)%60;
     cach += "-";
      if ((runningSecs%60) <=9){ cach+="0";}
     cach +=runningSecs%60;

      module->setDisplayToString(cach);


}

void loop() {
  zeitreise();

}
uint16_t merk,merk2,fadespeed;
int16_t positron;
long sectime  = micros();
long maintime  = millis();
long ledtime  = millis();
void zeitreise(void){
  while ((millis()- maintime) >=  91) {
  maintime = millis();
  for (int i = 0; i < NO_MODULES; i++) {update(modules[i], &modes[i]);}
  }
  while ((millis()- ledtime) >=  500) {
    ledtime = millis();
    positron--;if (positron <0) {positron=40;}
    for( int y = 0; y < (screeny/2); y++) {
      leds[screeny-y] = ColorFromPalette( currentPalette,leddata[y][0],leddata[y][1],currentBlending);
      leds[screeny-(y+(screeny/2))] = ColorFromPalette( currentPalette,leddata[y][0],leddata[y][1],currentBlending);
      }
    FastLED.show(); wuselzuled();}
  while ((micros()- sectime) >=  999999) {
    runningSecs++; if(runningSecs>=86400){runningSecs=0;}
  sectime = micros();
  }
}
void wuselzuled(void){
              for( int z = 0; z < (screeny/2); z++) {
if (z <positron) {
  leddata[z][0]=round(z*6);
  leddata[z][1]=255;}else{leddata[z][1]=0;}

    }
}