From 85b34f52da9af8cb1a32d8030b078c71a2bbeab0 Mon Sep 17 00:00:00 2001 From: lahirumenik <115687865+lahirumenik@users.noreply.github.com> Date: Sun, 28 Jan 2024 10:03:19 +0530 Subject: [PATCH] add iot connect testing --- code/iotconnect/main.ino | 118 ++++++++++++++++++++++++++++++++++++++ code/iotconnect/secrets.h | 111 +++++++++++++++++++++++++++++++++++ 2 files changed, 229 insertions(+) create mode 100644 code/iotconnect/main.ino create mode 100644 code/iotconnect/secrets.h diff --git a/code/iotconnect/main.ino b/code/iotconnect/main.ino new file mode 100644 index 0000000..51729b6 --- /dev/null +++ b/code/iotconnect/main.ino @@ -0,0 +1,118 @@ +#include "secrets.h" +#include +#include +#include +#include + +#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); +} \ No newline at end of file diff --git a/code/iotconnect/secrets.h b/code/iotconnect/secrets.h new file mode 100644 index 0000000..ec44a5d --- /dev/null +++ b/code/iotconnect/secrets.h @@ -0,0 +1,111 @@ + + +#include + +#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 +MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJv +b3QgQ0EgMTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALJ4gHHKeNXj +ca9HgFB0fW7Y14h29Jlo91ghYPl0hAEvrAIthtOgQ3pOsqTQNroBvo3bSMgHFzZM +9O6II8c+6zf1tRn4SWiw3te5djgdYZ6k/oI2peVKVuRF4fn9tBb6dNqcmzU5L/qw +IFAGbHrQgLKm+a/sRxmPUDgH3KKHOVj4utWp+UhnMJbulHheb4mjUcAwhmahRWa6 +VOujw5H5SNz/0egwLX0tdHA114gk957EWW67c4cX8jJGKLhD+rcdqsq08p8kDi1L +93FcXmn/6pUCyziKrlA4b9v7LWIbxcceVOF34GfID5yHI9Y/QCB/IIDEgEw+OyQm +jgSubJrIqg0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMC +AYYwHQYDVR0OBBYEFIQYzIU07LwMlJQuCFmcx7IQTgoIMA0GCSqGSIb3DQEBCwUA +A4IBAQCY8jdaQZChGsV2USggNiMOruYou6r4lK5IpDB/G/wkjUu0yKGX9rbxenDI +U5PMCCjjmCXPI6T53iHTfIUJrU6adTrCC2qJeHZERxhlbI1Bjjt/msv0tadQ1wUs +N+gDS63pYaACbvXy8MWy7Vu33PqUXHeeE6V/Uq2V8viTO96LXFvKWlJbYK8U90vv +o/ufQJVtMVT8QtPHRh8jrdkPSHCa2XV4cdFyQzR1bldZwgJcJmApzyMZFo6IQ6XU +5MsI+yMRQ+hDKXJioaldXgjUkK642M4UwtBV8ob2xJNDd2ZhwLnoQdeXeGADbkpy +rqXRfboQnoZsG4q5WTP468SQvvG5 +-----END CERTIFICATE----- + +)EOF"; + +// Device Certificate //change this +static const char AWS_CERT_CRT[] PROGMEM = R"KEY( +-----BEGIN CERTIFICATE----- +MIIDFDCCAfwCFGU2z949uv1HP8riFmv6Dz8A7hG7MA0GCSqGSIb3DQEBCwUAMEgx +CzAJBgNVBAYTAlNMMRMwEQYDVQQIDApTb21lLVN0YXRlMREwDwYDVQQKDAhhcmNv +bWJhdDERMA8GA1UEAwwIYXJjb21iYXQwHhcNMjQwMTI2MTM1NDA2WhcNMjUwMTI1 +MTM1NDA2WjBFMQswCQYDVQQGEwJTTDETMBEGA1UECAwKU29tZS1TdGF0ZTERMA8G +A1UECgwIYXJjb21iYXQxDjAMBgNVBAMMBWd1bi8xMIIBIjANBgkqhkiG9w0BAQEF +AAOCAQ8AMIIBCgKCAQEAuvpavNKBHa5iuDXbccEQ4Z+Bp0T4v+I/gr4jXuIlZxS8 +LD9Z0Zj/axlUb9Uzp0RMWQ84WPNvhVIrS2Xw69BYslzvfOZcvX+10PRmHp9Bk4eL +6h4N1MXgy1BQqrlc4b0xvngei2spcw0kGkSvTkSbjQGDzMqS8meUD+EBrtHUg1Gm +Uhrvx1qMI5dxLDnW95gSfxT3UcYhXjgMH7Fn+Y+kwLwGgxZpGuoDdeLkAwDW015c +CbUV8iHm3TjUa6DE6fLgT5WRe9i6H5RITN1sDOeEhhZ1OCV67XC6iKsl9Qq/zkJK +W3ELjGLr5DBrhk9gHfdmWUc/md3eUQkUrOqPZ/CQWwIDAQABMA0GCSqGSIb3DQEB +CwUAA4IBAQAHovSMV5yKMyxuAZz60TYnfoHAz92wIQT4OSX5lhugBHHT3TeWvOUC +bh/HAX0SDLyJYy1qVbmkcf7sOxIo7ga/6aesA4BZ5ZTabJpSkd+ANtk4aVJgilzt +4TzbJZvtaSpTHGdHtNLJ5StL9w9glAaxo5M8urZvGBjpxXVDs4aUbSN4Uaa2/TA2 +joZl7vKaJWD9ngb6vlj7skoHhCyA4atMtYdgVb8jVfJg2XLy7xMvL30Z8H8ox7zW +CuYkOIzfQ/wMaOLZaoOnYCK1AxyiQX42/8M0+oQ1d5OoumCeOjFAeHihjGuih2Fe +9Akq/EgLfBgcXekccEmeU10wHFOEH7Qo +-----END CERTIFICATE----- +-----BEGIN CERTIFICATE----- +MIIDcTCCAlmgAwIBAgIUXJjdI/YD28+QJagw9JNUSYzlvzIwDQYJKoZIhvcNAQEL +BQAwSDELMAkGA1UEBhMCU0wxEzARBgNVBAgMClNvbWUtU3RhdGUxETAPBgNVBAoM +CGFyY29tYmF0MREwDwYDVQQDDAhhcmNvbWJhdDAeFw0yNDAxMTMwNjU4MjlaFw0z +NDAxMTAwNjU4MjlaMEgxCzAJBgNVBAYTAlNMMRMwEQYDVQQIDApTb21lLVN0YXRl +MREwDwYDVQQKDAhhcmNvbWJhdDERMA8GA1UEAwwIYXJjb21iYXQwggEiMA0GCSqG +SIb3DQEBAQUAA4IBDwAwggEKAoIBAQCazSiNESFFAhFTcLL0GuYhqugjU1IZmP95 +RaB6QuNAMK8OQ754yF6tDlWxc6ZN7l49nSJuHuKPs4PoAGJr+ydokQQh+1zX4Q4s +PbW44rsfc3gE5b4jZda5b7E/J5cy2hQjNnzfQwiwpAemL+ye3HcESwY9VXMEEXCB +oqKeFqSAsghKMYdKlB71qsL8koAXbETEwbutVYnXBa02FGUhVd6m/0QAuMdY8dK3 +2oIshSBVVzIbwN/u/Ofj+FCoT+HN72k0QFXLUlHr03/eKyKeIBcVJxOLgy7AgzCD +oa/I1ERPxfcBK1l2MYSHirIidboizaR7tw6ZBCx3PYEyeSD7BQPbAgMBAAGjUzBR +MB0GA1UdDgQWBBTK/LIGqAK29+fp6WmHreTCEnVaOzAfBgNVHSMEGDAWgBTK/LIG +qAK29+fp6WmHreTCEnVaOzAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUA +A4IBAQBr/LXSOWrocuEyDuwP4VzrDaYmsDpRZ0AGc71so889F2jUsof3MJSn0iap +Dpw3t/YaREAr3ytuXM188tQYHMMrFzdZRTg7C8SWbmvsGqYCq4nkbwDOPVuL4iPS +3+5Tex6MKPdROQLvmUiMc5O6NmE6tJU4nh965H8q0jwZQfGSXOwDo0tQ0DSN2OzB +6DSvlKA38raArCvMqfQiK+D2N79kk5We+pLh1f92yPV2vbEEN+QWUTyvsu4l5MOn +GMRjV4n9HgZEXQjjcHm64mHGkZZHXZ87xZ7vTzLOrN+xoBhaOaM7iblxSAL9nQ0O +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 +ZfDr0FiyXO985ly9f7XQ9GYen0GTh4vqHg3UxeDLUFCquVzhvTG+eB6LaylzDSQa +RK9ORJuNAYPMypLyZ5QP4QGu0dSDUaZSGu/HWowjl3EsOdb3mBJ/FPdRxiFeOAwf +sWf5j6TAvAaDFmka6gN14uQDANbTXlwJtRXyIebdONRroMTp8uBPlZF72LoflEhM +3WwM54SGFnU4JXrtcLqIqyX1Cr/OQkpbcQuMYuvkMGuGT2Ad92ZZRz+Z3d5RCRSs +6o9n8JBbAgMBAAECggEAGGRPkQFvGZWlyD0yZvkWQDDEQ7NyNeoIegBe8eJTmcpx +L96F05t/epO/2aT5C5GT2ixrn+MGAeDxx/DBCKpR39bS4TrWD1yJNfykE8uXzOyq +WnzYNhEoXa2ZEGSFEufRBPV7mpl8u0cUFh8utWmq1y7C6GTm3ZuYi6fBRfKWpBi6 +GYWHGo233JpjPaF1vxZnw8VT+cVtlQG2pO6otWePu3a4V84cklxoaSiy5zn4Urnh +LpLsD0cR7O6H4pc2sicCPouqI48p+5nrh3ZZIIUqlWh2UM4Q+wza2at12AyvM/MT +DKYOcd/twO3OP1zwIghk6GgFPfeKZFA3jH0/xu98PQKBgQDiZqqkzhSSnfRTLMVd +NqHqfgTkWeZVURiwM/jqYhFI2DMafgVHoKABuNsBWBBU8IhyOgA50npJls5VIswP +1D6o0VDXVYw52IhDQZTMLlxY3Bjh8aV7gQYN6iLPt8PAoKTgjwY3Fn/S+0t5IEr1 +wZ05BvO+K0kXAk3fCiYxdHlIVwKBgQDTbEAzQZd3xKkJIHn1elnMA12a1Te+rvyq +TtLldoxDeU/e7w9aU2iKcUGN5oucre9LAjPj41Cu1jR0gFPpq080y/WBtv2ZbAPL +3vTTWII+jlYn4Dehm5UP3ZGebqr8GuCH+YI6UIliJ75UaaoueZ75NheCgqJ7WIjR +saeojJaFnQKBgQC50gYxKivcguRr+A0tio+uxSwCuH7Ce8NFrAKbbU4+eaTIE7MF +rSJnB3BJVBxjeuCi0FQrIUPZbnt/iQXv4AZlzRcLBl4HhF+ixAr64vpMvKl3mTx3 +d9ieRxO3ZV63laJ95SX2xPK5GiRCEG019Gm0yq334dMlnXCIpe3fHXgGFQKBgFxX +W3MHovBcpLenx5y/45iHn8qQddiC9TgtVU+Dh5+wzIHCSCJba72L2eXwW+oCzhEk +1SUjk4nJZP+9TOkyOVYF/yS4l+r6km3o42Wrsrc/08F23NVo7qIPVBqum1+hHZBG +Ger+YgLM+QRFYl8KH7UZOwt1oyHceWWdAm1LejLBAoGAXVv4VvzJ9/Nvr7/zfI5j +BICk8pdAX/FWM65qAoMf/pvppuFU3/WZVQYB2BZXak35Cda7vjQs0bhWMh31xyh4 +rLIxkR7HkWmmmflKRNOSbj9KCeflwuhI/EkndG1wo6OfaHsFw159hugc06RDN55q +Cx4QBXG9s3Z4aziJNsWj3iU= +-----END PRIVATE KEY----- +)KEY"; \ No newline at end of file