// /0978/ESP32_MAX7219_clock_Single/ESP32_MAX7219_clock_Single.ino   ; update: 2024/02/03 11:41
//ESP32 Dev Module
//
#include <WiFi.h>
#include <MD_Parola.h>
#include <MD_MAX72xx.h>
#include <SPI.h>
#include <time.h>       //For Time Based Application
#include "GF4x8p.h"     // 4x8 font
#include "GF3x5p.h"     // 3x5 font //#include "GF3x8p.h" // 3x8 font

//Wi-Fi
#define SSID "ax50anotherZ"
#define WIFIKEY "rock#tang@50Gpgw"

#define JST     3600 * 9     //tzOffset

#define tzOffset JST        //32400 = 3600 * 9

#define DSPZONE0  0        //
#define DSPZONE1  1        //

//MAX7219
#define MAX_DEVICES 4 // modules
#define CLK_PIN   27
#define DATA_PIN  12
#define CS_PIN    14

#define SPEED_TIME    25  //Small numbers are faster. Zero is the fastest.
#define SPEED_TIMESLOW  70  //Small numbers are faster. Zero is the fastest.

#define HARDWARE_TYPE MD_MAX72XX::FC16_HW

#define PAUSE_TIME_L  1200 //1200ms for month/day long pause
#define PAUSE_TIME_S  300 //300ms for month/day short pause

static struct tm timeinfo;
static char buf[30];
//static char bufD[15], bufT[9]; // "yyyy mm/dd aaa" + 1 = 15,  "hh:mm:ss" + 1 = 9   
static const uint8_t intensity = MAX_INTENSITY/15;//Darkest //LEDの輝度を調整0-15、0=MAX

static char bufS[3], bufT[7]; // bufS = Sec, 'ss' + 1 = 3,  bufT = HourMinute, 'hhmm" + 1 = 5
static int wsec=-1;

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

void setup() {
  Serial.begin(115200);//115200
  delay(100);

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

  while ( WiFi.status() != WL_CONNECTED ) {
    delay ( 1000 );
  }

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

  Serial.println("73: Run setup");

// Matrix Display Setting
  mx.begin(2); // 2 zones
  mx.setZone(DSPZONE1, 1, 3);  //00011111 <- Zone 1  for HM display
  mx.setZone(DSPZONE0, 0, 0);  //11100000 <- Zone 0  for Sec display
  mx.setFont(DSPZONE1,GF4x8p);//GF5x8p);
  mx.setFont(DSPZONE0,GF3x5p);//GF3x8p);//
  mx.setIntensity(intensity);  //Darkest
}

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

  mx.displayAnimate();

  //Zone 1 Time
  if (mx.getZoneStatus(DSPZONE1)) {
    strftime(bufT, sizeof(bufT), "%H:%M:", &timeinfo); // %T: hh:mm:ss
    mx.displayZoneText(DSPZONE1, bufT, PA_RIGHT, SPEED_TIME, 0, PA_PRINT, PA_NO_EFFECT);
    mx.displayReset(DSPZONE1);
  }
  //Zone 0 Time
  if (mx.getZoneStatus(DSPZONE0)) {
    strftime(bufS, sizeof(bufS), "%S", &timeinfo); // %T: hh:mm:ss
    mx.displayZoneText(DSPZONE0, bufS, PA_RIGHT, SPEED_TIME, 0, PA_PRINT, PA_NO_EFFECT);
    mx.displayReset(DSPZONE0);

  }
  delay(50); //Don't remove this delay, and don't make it too small
}