/*#include <WiFi.h>
 #include "ThingSpeak.h" // always include thingspeak header file after other header files and custom macros
#define WIFI_SSID "Wokwi-GUEST"   // replace MySSID with your WiFi network name
#define WIFI_PASSWORD ""  // replace MyPassword with your WiFi password
#define WIFI_CHANNEL 6
#define SECRET_CH_ID 2350557      // replace 0000000 with your channel number
#define SECRET_WRITE_APIKEY "7RCP9BJ1ODDPQPD4"   // replace XYZ with your channel write API Key
#include "DHTesp.h"

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 // OLED 寬度像素
#define SCREEN_HEIGHT 64 // OLED 高度像素

 const int DHT_PIN = 17;
 DHTesp dhtSensor;

WiFiClient  client;
 
unsigned long myChannelNumber = SECRET_CH_ID;
const char * myWriteAPIKey = SECRET_WRITE_APIKEY;
 
int number = 0;

//pir-motion-sensor
int pirdata = 34;
int pirstate =LOW ;
int value =0;
int r = 23;
int g = 18;
int b = 5;

// 設定OLED
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

static const uint8_t degreeIcon[] PROGMEM = {
   B0000000,
  B0001100,
  B0010010,
  B0010010,
  B0010010,
  B0001100,
  B0000000
};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);//Initialize serial

  pinMode(pirdata, INPUT);
  pinMode(r , OUTPUT);
  pinMode(g , OUTPUT);
  pinMode(b , OUTPUT);
  
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for (;;);
  }
 
  display.clearDisplay();
  // 偵測是否安裝好OLED了
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // 一般1306 OLED的位址都是0x3C
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }
   display.setTextColor(WHITE); 
  display.clearDisplay(); // 清除畫面
 // testdrawstyles();    // 測試文字
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  delay(1000);
}


void loop() {
  int value = digitalRead(pirdata);  
  if (value == HIGH) {     
  
    analogWrite(r , 100);
    analogWrite(g , 0);
    analogWrite(b , 0);
    if (pirstate == LOW) {
      Serial.print(value);
      Serial.print(" ");
      Serial.println("Motion detected!");
      
      pirstate = HIGH;
    }
  } else {
     analogWrite(g , 100);
    analogWrite(r , 0);
    analogWrite(b , 0);
    if (pirstate == HIGH) {
      Serial.print(value);
      Serial.print(" ");
      Serial.println("Motion ended!");
     
      pirstate = LOW;
    }
  }

    TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  //Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  //Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  //Serial.println("---");
  
  display.clearDisplay();
  display.setTextSize(1.5);          // 設定文字大小
  display.setTextColor(WHITE);         // 1:OLED預設的顏色(這個會依該OLED的顏色來決定)
  display.setCursor(0,0);          // 設定起始座標
  display.print("Temperature=");     // 要顯示的字串
  display.print(String(data.temperature, 2));
  //display.drawCircle(108,1,1,WHITE);
    display.drawBitmap(display.getCursorX(), display.getCursorY() - 1.5, degreeIcon, 7, 7, SSD1306_WHITE);
  display.setCursor(display.getCursorX() + 9, display.getCursorY());
  
  display.print("C");

  display.setCursor(0,10);        // 設定起始座標
  display.print("Humidity=");        // 要顯示的字串
  display.print(String(data.humidity, 2));
  display.print("%");
  display.display();               // 要有這行才會把文字顯示出來
 
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD, WIFI_CHANNEL);
  Serial.print("Connecting to WiFi ");
  Serial.print(WIFI_SSID);
  // Wait for connection
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.println(" Connected!");
 
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());
 
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  delay(2000); // Wait for a new reading from the sensor (DHT22 has ~0.5Hz sample rate)
  int x = ThingSpeak.writeField(myChannelNumber, 1, number, myWriteAPIKey);
  if(x == 200){
    Serial.println("Channel update successful.");
  }
  else{
    Serial.println("Problem updating channel. HTTP error code " + String(x));
  }
 
  // change the value
  number++;
  if(number > 99){
    number = 0;
  }
 
  delay(2000); // Wait 20 seconds to update the channel again
}*/
#include <WiFi.h>
#include "ThingSpeak.h"
#include "DHTesp.h"
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

// WiFi配置
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""

#define WIFI_CHANNEL 6

// ThingSpeak 配置
#define SECRET_CH_ID 2350557
#define SECRET_WRITE_APIKEY "7RCP9BJ1ODDPQPD4"

unsigned long myChannelNumber = SECRET_CH_ID;
const char *myWriteAPIKey = SECRET_WRITE_APIKEY;

// 人體紅外線感測器
const int DHT_PIN = 17;
const int PIR_PIN = 34;

// LED
const int LED_R = 18;

int p = LOW;

// OLED 配置
#define OLED_RESET -1
Adafruit_SSD1306 display(128, 64, &Wire, OLED_RESET);


DHTesp dhtSensor;
WiFiClient client;


int number = 0;

int buzzer = 19;

//度的符號圖案
static const unsigned char PROGMEM O[]
{
   B0000000,
  B0001100,
  B0010010,
  B0010010,
  B0010010,
  B0001100,
  B0000000
};

void WF() {
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD, WIFI_CHANNEL);
  Serial.print("Connecting to WiFi ");
  Serial.print(WIFI_SSID);

  while (WiFi.status() != WL_CONNECTED) {
    delay(1500);
    Serial.print("."); //連線中顯示
  }

  Serial.println(" Connected!");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP()); //連線成功會顯示wifi IP
}


void setup() {
  Serial.begin(115200);

  pinMode(PIR_PIN, INPUT);
  pinMode(LED_R, OUTPUT);

  ThingSpeak.begin(client);//上傳到thingspeak
  WF();//連接wifi
  // 初始化 OLED
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("OLED N."));//失敗顯示
  } else {
    Serial.println(F("OLED Y."));//成功顯示
  }

  display.clearDisplay();
  display.setTextColor(WHITE);
  //display.clearDisplay();
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);//初始化DHT，設定腳位
  delay(1000);
}

void TH(float temperature, float humidity) {   //在OLED顯示溫度濕度
  display.clearDisplay();
  display.setTextSize(1.5);
  display.setCursor(0, 0);
  display.print("Temperature=");  //在OLED顯示溫度
  display.print(String(temperature, 2));
  display.drawBitmap(display.getCursorX(), display.getCursorY() - 1.5, O, 7, 7, SSD1306_WHITE); 
  display.setCursor(display.getCursorX() + 9, display.getCursorY());
  display.print("C");

  display.setCursor(0, 10);
  display.print("Humidity="); //在OLED顯示濕度
  display.print(String(humidity, 2));
  display.print("%");
  display.display();
}


void d() { //人體紅外線感測器
  int value = digitalRead(PIR_PIN);

  if (value == HIGH) {  //如果感測器檢測到運動 那就顯示LED燈
    digitalWrite(LED_R, HIGH);

    if (p == LOW) { //如果之前狀態是低電平（表示之前未檢測到運動）
      p = HIGH; //pirstate設置高電平

     
      display.setTextSize(1.5);
      display.setTextColor(WHITE);
      display.setCursor(0, 30);
      display.print("S!");
      display.display();
      delay(2000);

      // Write to ThingSpeak
      int x = ThingSpeak.writeField(myChannelNumber, 1, number, myWriteAPIKey);
      if (x == 200) {
        Serial.println("Channel update successful."); //傳送到thingspeak成功顯示
      } else {
        Serial.println("Problem updating channel. HTTP error code " + String(x));//傳送到thingspeak失敗顯示
      }
      // change the value
      number++;
      if (number > 99) {
        number = 0;
      }
    }
  } else {
    digitalWrite(LED_R, LOW);

    if (p == HIGH) {
      p = LOW;

      // Display on OLED
      display.setTextSize(1.5);
      display.setTextColor(WHITE);
      display.setCursor(0, 40);
      display.print("N!");
      display.display();
      delay(2000);
    }
  }
}


void loop() {
  d();
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  TH(data.temperature, data.humidity);
}