#include <WiFi.h>
// 取得網路時間相關參數設定
const char* ntpServer = "time.google.com";	 // Google - NTP Server
const long  gmtOffset_sec = 28800; 		//台灣時區+8hr,28800=8*60*60
const int   daylightOffset_sec = 0; 		//台灣無日光節約時間



void loop() {
 printLocalTime();	// 自定輸出時間函式
 
}



// 自定輸出時間函式
void printLocalTime(){
  struct tm timeinfo;
  if(!getLocalTime(&timeinfo)){
    Serial.println("Failed to obtain time");
    return;
  }
  Serial.print("Hour: "); 		//顯示 時(24小時制)
  Serial.println(timeinfo.tm_hour);
  Serial.print("Minute: "); 		//顯示 分
  Serial.println(timeinfo.tm_min);
  Serial.print("Second: "); 		//顯示 秒
  Serial.println(timeinfo.tm_sec);
  int num1=timeinfo.tm_hour / 10;
  int num2=timeinfo.tm_hour % 10;
  int num3=timeinfo.tm_min / 10;
  int num4=timeinfo.tm_min % 10;
  int num5=timeinfo.tm_sec / 10;
  int num6=timeinfo.tm_sec % 10;
  display(num1, num2, num3, num4, num5, num6, 200);
}
// 七段顯示器腳位設定
#define pin_DIG1 14
#define pin_DIG2 23
#define pin_DIG3 22
#define pin_DIG4 19
#define pin_DIG5 27
#define pin_DIG6 26
#define pin_A 12
#define pin_B 21
#define pin_C 5
#define pin_D 2
#define pin_E 15
#define pin_F 13
#define pin_G 18
#define pin_DP 4
int digitPins[6]={pin_DIG1,pin_DIG2,pin_DIG3,pin_DIG4,pin_DIG5,pin_DIG6};
int segmentPins[8]={pin_A,pin_B,pin_C,pin_D,pin_E,pin_F,pin_G,pin_DP};
// 共陰極、共陽極設定
#define hardwareConfig 0 //COMMON_ANODE=1 COMMON_CATHODE=0
// 條件編譯
#if hardwareConfig==0   
      // 共陰極
#define digitOn 0
#define digitOff 1
#define light 1
#define dark 0
#else 
       // 共陽極
#define digitOn 1
#define digitOff 0
#define light 0
#define dark 1
#endif  


int num[10][8]={
{light,light,light,light,light,light,dark,dark},
  {dark,light,light,dark,dark,dark,dark,dark},
  {light,light,dark,light,light,dark,light,dark},
  {light,light,light,light,dark,dark,light,dark},
  {dark,light,light,dark,dark,light,light,dark},
  {light,dark,light,light,dark,light,light,dark},
  {light,dark,light,light,light,light,light,dark},
  {light,light,light,dark,dark,dark,dark,dark},
  {light,light,light,light,light,light,light,dark},
  {light,light,light,light,dark,light,light,dark},
};

void displayNum(int pos, int number){
  for(int i=0; i<6; i++){
    digitalWrite(digitPins[i], digitOff); 
  }
  for(int i=0; i<8; i++){
    digitalWrite(segmentPins[i], num[number][i]);
  }
  digitalWrite(digitPins[pos], digitOn);
}

double scanTime = 1.0/(16*6) * 1000;
void display(int num1, int num2, int num3,int num4,int num5,int num6,int ms){
  for(int i=0;i < ms/(scanTime*6);i++){
  displayNum(0, num1); delay(scanTime);
  displayNum(1, num2); delay(scanTime);
  displayNum(2, num3); delay(scanTime);
  displayNum(3, num4); delay(scanTime);
  displayNum(4, num5); delay(scanTime);
  displayNum(5, num6); delay(scanTime);
}
}
// 網路設定
const char* ssid     = "Your wifi ssid"; // ESP32
const char* password = "Your password";  // 12345678
void setup() {
  Serial.begin(115200);
  // Connect to Wi-Fi
  Serial.print("Connecting to ");
  Serial.println(ssid);
  //WiFi.begin(ssid, password); // 以STA(網路終端)模式連接到WiFi基地台
  WiFi.begin("Wokwi-GUEST", "", 6); //wokwi提供的虛擬 WiFi 接入點
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected.");
  Serial.print("IP位址: ");
  Serial.println(WiFi.localIP()); // 回傳分配到的IP位址
  Serial.print("WiFi RSSI: ");
  Serial.println(WiFi.RSSI());  // 回傳接收訊號強度（以 dBm 為單位）
  // Init and get the time
  configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
  printLocalTime();	// 自定輸出時間函式
  for(int i = 0; i < 6; i++){
    pinMode(digitPins[i],OUTPUT);
  }
    for(int i = 0; i < 8; i++){
    pinMode(segmentPins[i],OUTPUT);
  }
}