New example for ESP32 using SSL and AM2315

examples/AM2315_ESP32_SSL/AM2315_ESP32_SSL.ino

@@ -0,0 +1,194 @@
+/****************************************************************************************************************************
+ * AM2315_ESP32_SSL.ino
+ * For ESP32 boards
+ *
+ * Blynk_WM is a library for the ESP8266/ESP32 Arduino platform (https://github.com/esp8266/Arduino) to enable easy
+ * configuration/reconfiguration and autoconnect/autoreconnect of WiFi/Blynk
+ * Forked from Blynk library v0.6.1 https://github.com/blynkkk/blynk-library/releases
+ * Built by Khoi Hoang https://github.com/khoih-prog/Blynk_WM
+ * Licensed under MIT license
+ * Version: 1.0.2
+ *
+ * Original Blynk Library author:
+ * @file       BlynkSimpleEsp8266.h
+ * @author     Volodymyr Shymanskyy
+ * @license    This project is released under the MIT License (MIT)
+ * @copyright  Copyright (c) 2015 Volodymyr Shymanskyy
+ * @date       Jan 2015
+ * @brief
+ *
+ * Version Modified By   Date      Comments
+ * ------- -----------  ---------- -----------
+ *  1.0.0   K Hoang      28/10/2019 Initial coding
+ *  1.0.1   K Hoang      28/10/2019 Add features
+ *  1.0.2   K Hoang      21/11/2019 Fix bug. Add features.
+ *****************************************************************************************************************************/
+
+#define BLYNK_PRINT Serial
+
+// Not use #define USE_SPIFFS  => using EEPROM for configuration data in WiFiManager
+// #define USE_SPIFFS    false => using EEPROM for configuration data in WiFiManager
+// #define USE_SPIFFS    true  => using SPIFFS for configuration data in WiFiManager
+// Be sure to define USE_SPIFFS before #include <BlynkSimpleEsp8266_WM.h>
+
+#define USE_SPIFFS    true
+
+//You have to download Blynk WiFiManager Blynk_WM library at //https://github.com/khoih-prog/Blynk_WM
+// In order to enable (USE_BLYNK_WM = true). Otherwise, use (USE_BLYNK_WM = false)
+#define USE_BLYNK_WM   true
+//#define USE_BLYNK_WM   false
+
+#define USE_SSL     true
+//#define USE_SSL     false
+
+#if USE_BLYNK_WM
+  #if USE_SSL
+    #include <BlynkSimpleEsp32_SSL_WM.h>        //https://github.com/khoih-prog/Blynk_WM
+  #else
+    #include <BlynkSimpleEsp32_WM.h>            //https://github.com/khoih-prog/Blynk_WM
+  #endif
+#else
+  #if USE_SSL
+    #include <BlynkSimpleEsp32_SSL.h>
+    #define BLYNK_HARDWARE_PORT     9443
+  #else
+    #include <BlynkSimpleEsp32.h>
+    #define BLYNK_HARDWARE_PORT     8080   
+  #endif
+#endif
+
+#if !USE_BLYNK_WM
+  #define USE_LOCAL_SERVER    true
+  //#define USE_LOCAL_SERVER    false
+
+  // If local server
+  #if USE_LOCAL_SERVER
+    char blynk_server[]   = "yourname.duckdns.org";
+  #endif
+
+char auth[]     = "***";
+char ssid[]     = "***";
+char pass[]     = "***";
+
+#endif
+
+#include <Ticker.h>
+#include <Wire.h>
+#include <Adafruit_AM2315.h>        // To install Adafruit AM2315 library
+
+#define PIN_D21           21        // Pin D21 mapped to pin GPIO21/SDA of ESP32
+#define PIN_D22           22        // Pin D22 mapped to pin GPIO22/SCL of ESP32
+
+// Connect RED of the AM2315 sensor to 5.0V
+// Connect BLACK to Ground
+// Connect WHITE to i2c clock (PIN_D22 / SCL)
+// Connect YELLOW to i2c data (PIN_D21 / SDA)
+
+Adafruit_AM2315 AM2315;
+
+#define AM2315_DEBUG     true
+
+BlynkTimer timer;
+Ticker     led_ticker;
+
+#define READ_INTERVAL        60000L          //read AM2315 interval 30s
+
+void readAndSendData() 
+{
+  static float temperature, humidity;
+
+  temperature = AM2315.readTemperature();
+  humidity    = AM2315.readHumidity();
+
+  if (!isnan(temperature) && !isnan(humidity)) 
+  {
+    Blynk.virtualWrite(V1, String(temperature, 1));
+    Blynk.virtualWrite(V2, String(humidity, 1));
+
+    #if AM2315_DEBUG
+      Serial.println("Temp *C: " + String(temperature));
+      Serial.println("Humid %: " + String(humidity));
+    #endif    
+  }
+  else
+  {
+    Blynk.virtualWrite(V1, "NAN");
+    Blynk.virtualWrite(V2, "NAN");
+  }  
+}
+
+void set_led(byte status)
+{
+  digitalWrite(LED_BUILTIN, status);
+}
+
+void check_status()
+{
+  static unsigned long checkstatus_timeout = 0;
+
+#define STATUS_CHECK_INTERVAL     15000L
+
+  // Send status report every STATUS_REPORT_INTERVAL (10) seconds: we don't need to send updates frequently if there is no status change.
+  if ((millis() > checkstatus_timeout) || (checkstatus_timeout == 0))
+  {
+    // report status to Blynk
+    if (Blynk.connected())
+    {
+      set_led(HIGH);
+      led_ticker.once_ms(111, set_led, (byte) LOW);
+
+      Serial.println("B");
+    }
+    else
+    {
+      Serial.println("F");
+    }
+
+    checkstatus_timeout = millis() + STATUS_CHECK_INTERVAL;
+  }
+}
+
+void setup()
+{
+  Serial.begin(115200);
+  pinMode(LED_BUILTIN, OUTPUT);
+
+  Serial.println("\nStarting");
+
+  if (!AM2315.begin()) 
+  {
+    Serial.println("Sensor not found, check wiring & pullups!");
+  }
+
+  #if USE_BLYNK_WM
+    Blynk.begin();
+  #else
+    WiFi.begin(ssid, pass);
+
+    #if USE_LOCAL_SERVER
+      Blynk.config(auth, blynk_server, BLYNK_HARDWARE_PORT);
+    #else
+      Blynk.config(auth);
+    #endif
+
+    Blynk.connect();
+  #endif
+
+  timer.setInterval(READ_INTERVAL, readAndSendData);
+
+  if (Blynk.connected())
+  {
+     #if USE_SPIFFS     
+      Serial.println("\nBlynk ESP32 SSL using SPIFFS connected. Board Name : " + Blynk.getBoardName());
+    #else
+      Serial.println("\nBlynk ESP32 SSL using EEPROM connected. Board Name : " + Blynk.getBoardName());
+    #endif  
+
+  }
+}
+
+void loop()
+{  
+  Blynk.run();
+  timer.run();
+}