// /0978/NTPClock_ESP32_MAX7219/NTPClock_ESP32_MAX7219.ino   ; update: 2024/01/22 14:31
//
// This software uses several open software,
// with each of different license declaration.
// Please use this software with understanding of
// each included software license
// Script by kinoene.jp

#include <WiFi.h>       //For WiFi Network Connection
#include <MD_Parola.h>  //For MAX7219 Matrix LED
#include <MD_MAX72xx.h> //For MAX7219 SPI LED Driver
#include <SPI.h>        //For SPI Communication
#include <time.h>       //For Time Based Application 
#include "GF3x8p.h"     // 3x8 font
#include "GF5x8p.h"     // 5x8 font

//Wi-Fi
#define SSID "ax50anotherZ"     //Use your own WiFi SSID
#define WIFIKEY "rock#tang@50Gpgw"  //Ise your own WiFi Key

#define JST     3600* 9

//MAX7219
#define MAX_DEVICES 4 // four modules   //MD_MAX72XX
#define CLK_PIN   27	//18              //13
#define DATA_PIN  12	//23              //11
#define CS_PIN    14	//5               //10

#define SPEED_TIME  25  //Small numbers are faster. Zero is the fastest.

#define HARDWARE_TYPE MD_MAX72XX::FC16_HW 

static struct tm timeinfo;
static char buf[30];//20
static char bufS[3], bufT[5]; // bufS = Sec, 'ss' + 1 = 3,  bufT = HourMinute, 'hhmm" + 1 = 5
static const uint8_t intensity = MAX_INTENSITY/15;//Darkest //LEDの輝度を調整0-15、0=MAX

static const char *wd[7] = {"Sun","Mon","Tue","Wed","Thr","Fri","Sat"};
static int wsec=-1;

// Hardware SPI connection
MD_Parola mx = MD_Parola(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);

void setup() {
  Serial.begin(115200);//115200
  delay(100);
  Serial.println("53: Run setup");

//WiFi Connection Setting
WiFi.begin(SSID, WIFIKEY);

  while ( WiFi.status() != WL_CONNECTED ) {
    Serial.print('.');
    delay ( 500 );
  }

  Serial.println();
  Serial.printf("Connected, IP address: ");
  Serial.println(WiFi.localIP());

  configTime( JST, 0, "ntp.nict.jp", "ntp.jst.mfeed.ad.jp");

// Matrix Display Setting
  mx.begin(2); // 2 zones
  mx.setZone(0, 1, 3);  //00011111 <- Zone 0  for HM display
  mx.setZone(1, 0, 0);  //11100000 <- Zone 1  for Sec display
  mx.setFont(0,GF5x8p);
  mx.setFont(1,GF3x8p);
  mx.setIntensity(intensity);  //Darkest
}

void loop() {

  time_t epTime = time(NULL); ///timeClient.getEpochTime();
  timeinfo = *localtime(&epTime);

//  if(wsec != timeinfo.tm_sec) {
//    wsec = timeinfo.tm_sec;
//  Serial.printf(" %04d/%02d/%02d(%s) %02d:%02d:%02d\n",
//        timeinfo.tm_year+1900, timeinfo.tm_mon+1, timeinfo.tm_mday,
//        wd[timeinfo.tm_wday],
//        timeinfo.tm_hour, timeinfo.tm_min, timeinfo.tm_sec);
//  }

  mx.displayAnimate();

//Zone 0 Time
  if (mx.getZoneStatus(0)) {
    strftime(bufT, sizeof(bufT), "%H%M", &timeinfo); // %T: hh:mm:ss
//    Serial.printf(" (%s) \n", bufT);//##############################
    mx.displayZoneText(0, bufT, PA_LEFT, SPEED_TIME, 0, PA_PRINT, PA_NO_EFFECT);
    mx.displayReset(0);
  }
//Zone 1 Time
  if (mx.getZoneStatus(1)) {
    strftime(bufS, sizeof(bufS), "%S", &timeinfo); // %T: hh:mm:ss
    mx.displayZoneText(1, bufS, PA_RIGHT, SPEED_TIME, 0, PA_PRINT, PA_NO_EFFECT);
    mx.displayReset(1);
  }
  delay(50); //Don't remove this delay, and don't make it too small
}