#include <Wire.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 "Fonts.h"  
#include <MD_DS1307.h>
  
//=====MAX7219================================
#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW 
#define MAX_DEVICES 4 
#define CLK_PIN   13
#define DATA_PIN  11
#define CS_PIN    10
MD_Parola P = MD_Parola(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);
//MD_MAX72xx display = MD_MAX72xx(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);
#define SPEED_TIME  60  //数字越小越快,0最快
#define PAUSE_TIME  0
#define MAX_MESG  20

int Mode = 0;

// Global variables
char szTime[9];    // hh:mm
char szsecond[4];    // ss
char szMesg[MAX_MESG+1] = "";


char *mon2str(uint8_t mon, char *psz, uint8_t len)
// ==========月份----从PROGMEM获取一个标签到一个char数组中
{
  static const __FlashStringHelper* str[] =
    {
    F("Jan"), F("Feb"), F("Mar"), F("Apr"),
    F("May"), F("Jun"), F("Jul"), F("Aug"),
    F("Sep"), F("Oct"), F("Nov"), F("Dec")
  };
  strncpy_P(psz, (const char PROGMEM *)str[mon-1], len);
  psz[len] = '\0';
  return(psz);
}

char *dow2str(uint8_t code, char *psz, uint8_t len)
// ==========星期==========
{
  static const __FlashStringHelper*  str[] =
    {
    F("Sunday"), F("Monday"), F("Tuesday"),F("Wednesday"), 
    F("Thursday"), F("Friday"),
    F("Saturday")
  };
  strncpy_P(psz, (const char PROGMEM *)str[code-1], len);
  psz[len] = '\0';
  return(psz);
}


void getTime(char *psz, bool f = true)
// ==========时间==========
{
   RTC.readTime();
  sprintf(psz, "%02d%c%02d", RTC.h, ':', RTC.m);
  //sprintf(psz, "%02d%c%02d", RTC.h, (f ? ':' : ' '), RTC.m);  //冒号闪
}

void getDate(char *psz)
//========== 日期==========
{
  char  szBuf[10];

  RTC.readTime();
  sprintf(psz, "%d %s %04d", RTC.dd, mon2str(RTC.mm, szBuf, sizeof(szBuf)-1), RTC.yyyy); // m-d-y
    //sprintf(psz, " %d %s %d",RTC.yyyy, (RTC.mm, szBuf, sizeof(szBuf)-1), RTC.dd);   //y-m-d
}


void gethh(char *psz, bool f = true)
// Code for reading clock time
{
   RTC.readTime();
  sprintf(psz, "%c%02d%c%02d", (f ? ':' : ' '), RTC.h, (f ? ':' : ' '), RTC.m);
}


void getmin(char *psz, bool f = true)
// Code for reading clock time
{
   RTC.readTime();
  sprintf(psz, "%02d%c%02d%c", RTC.h, (f ? ':' : ' '), RTC.m, (f ? ':' : ' '));
}

void getsec(char *psz)
// Code for reading clock date
{
  char  szBuf[10];
  RTC.readTime();
  sprintf(psz, "%02d", RTC.s);
}

void getdyy(char *psz)
{
  char  szBuf[10];
  RTC.readTime();
  sprintf(psz, "%02d", RTC.dd);
}

void getmon(char *psz)
// Code for reading clock date
{
  char  szBuf[10];
  RTC.readTime();
  sprintf(psz, "%s", mon2str(RTC.mm, szBuf, sizeof(szBuf)-1));

}

void getyyyy(char *psz)
// Code for reading clock date
{
  char  szBuf[10];
  RTC.readTime();
  sprintf(psz, "%04d", RTC.yyyy);

}



void setup(void)
{
  
  P.begin(3);
  P.setInvert(false);
  P.setIntensity(0,1);   //（区域，亮度0-15）
  P.setZone(2, 0, 3);
  P.setZone(1, 1, 3);
  P.setZone(0, 4, 1);
  P.setFont(2, GYD_PHP5X7);
  P.setFont(1, Dig4x7p);
  P.setFont(0, Dig3x5p);
  P.displayZoneText(1, szTime, PA_LEFT, SPEED_TIME, PAUSE_TIME, PA_PRINT, PA_NO_EFFECT);
  P.displayZoneText(0, szsecond, PA_LEFT, SPEED_TIME, 0, PA_PRINT, PA_NO_EFFECT);
  P.displayZoneText(2, szMesg, PA_CENTER, SPEED_TIME, 0, PA_PRINT, PA_SCROLL_LEFT);
  
  RTC.control(DS1307_CLOCK_HALT, DS1307_OFF);
  RTC.control(DS1307_12H, DS1307_OFF);
  getTime(szTime);
}

void loop(void)
{
 

  if (Mode == 0) 
  { 
  static uint32_t lastTime = 0; // millis() memory
  static bool flasher = false;  // seconds passing flasher
  P.displayAnimate();
  P.setTextEffect(2, PA_PRINT, PA_NO_EFFECT);
  P.getZoneStatus(1);
  P.getZoneStatus(0);
    if (millis() - lastTime >= 1000)
  {
    lastTime = millis();
    getsec(szsecond);
    getTime(szTime, flasher);
    flasher = !flasher;
    P.displayReset(1);
    P.displayReset(0);
  } 
  }

if (Mode == 1) 
  {
    static uint8_t  display = 0;  // current display mode
    P.displayAnimate();
    P.getZoneStatus(2);
    if (P.getZoneStatus(2))
    {
      switch (display)
      {
      case 0: // Time
        P.setTextEffect(2, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
          display++;
         getTime(szMesg);
        break;

      case 1: // Day
        P.setTextEffect(2, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
        display++;
        dow2str(RTC.dow, szMesg, MAX_MESG);
        break;

      default:  // Calendar
        P.setTextEffect(2, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
        display++;
        getDate(szMesg);
        break;
        
    }
    P.displayReset(2);
    } 
  }


    if (Mode == 2)   //星期
  { 
    static uint8_t  display = 0;  // current display mode
    P.displayAnimate();
    P.getZoneStatus(2);
        P.setTextEffect(2, PA_PRINT, PA_SCROLL_LEFT);
        dow2str(RTC.dow, szMesg, MAX_MESG);
    P.displayReset(2);
  }
 
    if (Mode == 3)  //日
  { 
    P.displayAnimate();
    P.getZoneStatus(2);
    P.setTextEffect(2, PA_PRINT, PA_NO_EFFECT);
        getdyy(szMesg);
    P.displayReset(2);
  }

    if (Mode == 4)  //月份（简写）
  { 
    P.displayAnimate();
    P.getZoneStatus(2);
    P.setTextEffect(2, PA_PRINT, PA_NO_EFFECT);
        getmon(szMesg);
    P.displayReset(2);
  }

    if (Mode == 5)   //年
  { 
    P.displayAnimate();
    P.getZoneStatus(2);
    P.setTextEffect(2, PA_PRINT, PA_NO_EFFECT);
        getyyyy(szMesg);
    P.displayReset(2);
  }
  
}