//********************************************************************
//*
//*   Часы na LED 8s4r - DeepSeek
//*   2026.03.28 - 2026.03.29
//*   v.003
//*
//*   DEC - HEX
//*      A - пусто
//*      B - минус
//*      C - градус
//*
//********************************************************************
#include <Arduino.h>
#include <Wire.h>

#include "RTClib.h"
RTC_DS3231 rtc;

#include <Adafruit_BME280.h>
Adafruit_BME280 bme;

uint8_t timeVis[] = {8, 3, 2, 2};

struct
{
  uint8_t rtc_hour = 0;
  uint8_t rtc_min = 0;
  uint8_t bme_temp = 0;
  uint8_t bme_pres = 0;
  uint8_t bme_hum = 0;
} dataOut;

uint32_t timeOld = 0;
uint32_t timeOldSec = 0;
bool flagSec = true;
String outData = "";

//**************************************************
void getTime()
{
  DateTime now = rtc.now();

  dataOut.rtc_hour = now.hour();
  dataOut.rtc_min = now.minute();
}

//**************************************************
void getTemp()
{
  dataOut.bme_temp = bme.readTemperature();
}

void getPres()
{
  dataOut.bme_pres = bme.readPressure() / 133.3224 - 700;
}

void getHum()
{
  dataOut.bme_hum = bme.readHumidity();
}

//**************************************************
void setup()
{
  Serial.begin(9600);
  Serial.println();

  Wire.begin();

  if (!rtc.begin())
  {
    dataOut.rtc_hour = 0xBB;
    dataOut.rtc_min = 0xBB;
  }
  else if (rtc.lostPower())
  {
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }
  // rtc.adjust(DateTime(2026, 3, 29, 1, 51, 0));

  if (!bme.begin(0x76, &Wire))
  {
    dataOut.bme_temp = 0xBB;
    dataOut.bme_pres = 0xBB;
    dataOut.bme_hum = 0xBB;
  }

  timeOld = millis();
  timeOldSec = millis();
}

//**************************************************
void loop()
{
  static uint8_t countVis = 0;
  outData = "";

  switch (countVis)
  {
  case 0:
    getTime();
    break;

  case 1:
    getTemp();
    outData += "A";
    outData += dataOut.bme_temp / 10;
    outData += "A";
    outData += dataOut.bme_temp % 10;
    outData += "C";
    break;

  case 2:
    getPres();
    outData += "A7A";
    outData += dataOut.bme_pres / 10;
    outData += dataOut.bme_pres % 10;
    break;

  case 3:
    getHum();
    outData += "AAA";
    outData += dataOut.bme_hum / 10;
    outData += dataOut.bme_hum % 10;
    break;

  default:
    break;
  }

  if (countVis > 0)
  {
    Serial.println(outData);
    delay(timeVis[countVis] * 1000);
  }
  else
  {
    while ((millis() - timeOld) < (timeVis[0] * 1000))
    {
      if (millis() - timeOldSec >= 500)
      {
        outData = "";
        if (dataOut.rtc_hour < 10)
        {
          outData += "A";
          outData += dataOut.rtc_hour;
        }
        else
        {
          outData += dataOut.rtc_hour / 10;
          outData += dataOut.rtc_hour % 10;
        }

        (flagSec) ? outData += "D" : outData += "A";

        outData += dataOut.rtc_min / 10;
        outData += dataOut.rtc_min % 10;
        flagSec = !flagSec;
        Serial.println(outData);
        timeOldSec = millis();
      }
    }
  }

  if (countVis < (sizeof(timeVis) - 1))
  {
    countVis++;
  }
  else
  {
    countVis = 0;
    timeOld = millis();
  }
}