Merge pull request #133 from lahirumenik/main

iot connection cloud -testing

code/iotconnect/main.ino

@@ -0,0 +1,118 @@
+#include "secrets.h"
+#include <WiFiClientSecure.h>
+#include <PubSubClient.h>
+#include <ESP8266WiFi.h>
+#include <WiFiClient.h>
+
+#define DHTPIN 14     // Digital pin connected to the DHT sensor
+#define DHTTYPE DHT11   // DHT 11
+
+#define AWS_IOT_PUBLISH_TOPIC   "gun/1/test"
+#define AWS_IOT_SUBSCRIBE_TOPIC "esp32/sub"
+
+
+float h ;
+float t;
+
+
+
+WiFiClient net;;
+PubSubClient client(net);
+
+void connectAWS()
+{
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
+
+  Serial.println("Connecting to Wi-Fi");
+
+  while (WiFi.status() != WL_CONNECTED)
+  {
+    delay(500);
+    Serial.print(".");
+  }
+
+  // Configure WiFiClientSecure to use the AWS IoT device credentials
+
+  // size_t privateKeySize = AWS_CERT_CA.size();
+  // char *privateKey = new char[privateKeySize + 1];
+
+  // AWS_CERT_CA.readBytes(privateKey, privateKeySize);
+  // privateKey[privateKeySize] = '\0'; 
+
+  // net.loadCACert(privateKey);
+  // net.loadCertificate(AWS_CERT_CRT);
+  // net.loadPrivateKey(AWS_CERT_PRIVATE);
+
+  net.setCACert(AWS_CERT_CA);
+  net.setCertificate(AWS_CERT_CRT);
+  net.setPrivateKey(AWS_CERT_PRIVATE);
+
+  // Connect to the MQTT broker on the AWS endpoint we defined earlier
+  client.setServer(AWS_IOT_ENDPOINT, 8883);
+
+  // Create a message handler
+  client.setCallback(messageHandler);
+
+  Serial.println("Connecting to AWS IOT");
+
+  while (!client.connect(THINGNAME))
+  {
+    Serial.print(".");
+    delay(100);
+  }
+
+  if (!client.connected())
+  {
+    Serial.println("AWS IoT Timeout!");
+    return;
+  }
+
+  // Subscribe to a topic
+
+
+  Serial.println("AWS IoT Connected!");
+}
+
+void publishMessage()
+{
+
+  client.publish(AWS_IOT_PUBLISH_TOPIC, "he");
+}
+
+void messageHandler(char* topic, byte* payload, unsigned int length)
+{
+  Serial.print("incoming: ");
+  Serial.println(topic);
+
+}
+
+void setup()
+{
+  Serial.begin(115200);
+  connectAWS();
+
+}
+
+void loop()
+{
+  h = 9;
+  t =7;
+
+
+  if (isnan(h) || isnan(t) )  // Check if any reads failed and exit early (to try again).
+  {
+    Serial.println(F("Failed to read from DHT sensor!"));
+    return;
+  }
+
+  Serial.print(F("Humidity: "));
+  Serial.print(h);
+  Serial.print(F("%  Temperature: "));
+  Serial.print(t);
+  Serial.println(F("°C "));
+
+  publishMessage();
+  client.loop();
+  delay(1000);
+}

code/iotconnect/secrets.h

@@ -0,0 +1,111 @@
+
+
+#include <pgmspace.h>
+
+#define SECRET
+#define THINGNAME "gun1"                         //change this
+
+const char WIFI_SSID[] = "HUAWEI nova 7i";               //change this
+const char WIFI_PASSWORD[] = "04131107";           //change this
+const char AWS_IOT_ENDPOINT[] = "a2leuqp8y2i70g-ats.iot.ap-southeast-1.amazonaws.com";       //change this
+
+// Amazon Root CA 1
+static const char AWS_CERT_CA[] PROGMEM = R"EOF(
+-----BEGIN CERTIFICATE-----
+MIIDQTCCAimgAwIBAgITBmyfz5m/jAo54vB4ikPmljZbyjANBgkqhkiG9w0BAQsF
+ADA5MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6
+b24gUm9vdCBDQSAxMB4XDTE1MDUyNjAwMDAwMFoXDTM4MDExNzAwMDAwMFowOTEL
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+rqXRfboQnoZsG4q5WTP468SQvvG5
+-----END CERTIFICATE-----
+
+)EOF";
+ 
+// Device Certificate                                               //change this
+static const char AWS_CERT_CRT[] PROGMEM = R"KEY(
+-----BEGIN CERTIFICATE-----
+MIIDFDCCAfwCFGU2z949uv1HP8riFmv6Dz8A7hG7MA0GCSqGSIb3DQEBCwUAMEgx
+CzAJBgNVBAYTAlNMMRMwEQYDVQQIDApTb21lLVN0YXRlMREwDwYDVQQKDAhhcmNv
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+9Akq/EgLfBgcXekccEmeU10wHFOEH7Qo
+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
+MIIDcTCCAlmgAwIBAgIUXJjdI/YD28+QJagw9JNUSYzlvzIwDQYJKoZIhvcNAQEL
+BQAwSDELMAkGA1UEBhMCU0wxEzARBgNVBAgMClNvbWUtU3RhdGUxETAPBgNVBAoM
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+UhhnT477jo51rwYv4uvzfLvrQvX6
+-----END CERTIFICATE----- 
+)KEY";
+ 
+// Device Private Key                                               //change this
+static const char AWS_CERT_PRIVATE[] PROGMEM = R"KEY(
+-----BEGIN PRIVATE KEY-----
+MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQC6+lq80oEdrmK4
+NdtxwRDhn4GnRPi/4j+CviNe4iVnFLwsP1nRmP9rGVRv1TOnRExZDzhY82+FUitL
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+Cx4QBXG9s3Z4aziJNsWj3iU=
+-----END PRIVATE KEY-----
+)KEY";