i am new to iot and aws, i am facing a problem communicating with aws mqtt over gsm module
first i used an example to communicate with AWS MQTT using a WIFI library by setting the private,root,and certificate, using wifi client like this
wiFiClient.setCACert(rootCA);// GSM security API or GSM x509 certificate
wiFiClient.setCertificate(certificate_pem_crt);
wiFiClient.setPrivateKey(private_pem_key);
but now i want to use GSM module instead of wifi for communication so can any one help me with how to set these x509 codes with GSM client instead of WIFI client?
in other words the substitute of the above 3 lines of code by using GSM module
if there are any examples or documents or direct answers
following ia part of my code :
/* ESP32 AWS IoT
*
* Simplest possible example (that I could come up with) of using an ESP32 with AWS IoT.
*
* Author: Anthony Elder
* License: Apache License v2
*/
//#include <WiFiClientSecure.h>
#include <PubSubClient.h> // install with Library Manager, I used v2.6.0
//const char* ssid = "Labospace";
//const char* password = "Labospace20";
const char* awsEndpoint = "myurl.us-east-2.amazonaws.com";
//*****Author: Saja Saleem
#include <Arduino.h> // arduino library (optional)
#include <DHTesp.h> // Library for DHT
#include <SPI.h> // Library for SPI communication
#include <TinyGPS++.h> // Library for GPS
#include <SoftwareSerial.h>
#include <DHT.h> // Library for DHT
#include "SD_File_Record.h" // Library with SD card functions
#include <ArduinoJson.h>
#define TINY_GSM_MODEM_SIM800 // definition of the modem used (SIM800L)
#include <TinyGsmClient.h> // library with GSM commands
HardwareSerial SerialGSM(1); // SIM800L serial communication object
TinyGsm modemGSM(SerialGSM); // library object with GSM functions
TinyGsmClient client(modemGSM);//Create TinyGSM client instances
#define DHTPIN 25 //D15 of ESP32 DevKit
#define DHTTYPE DHT11 // DHT 11
DHT dht(DHTPIN, DHTTYPE);
TinyGPSPlus gps; // The TinyGPS object
static const uint32_t GPSBaud = 9600;
SoftwareSerial gpss(0,21); // The serial connection to the GPS device
String gpsData="";
// String that will be written to the txt file
String configLine,recordLine;
String reUpLoadData;
// serial speed of both the SIM800L and the serial monitor
const int BAUD_RATE = 9600;
// variables used to count time without crashing the loop function
// millis of reference
long int millisRefCon, millisUserResp;
// flag indicating the time count (used by the 'timeout' function)
bool flagCon = false, flagUserResp = false;
// pins where RX / TX where the SIM800L will be connected
const int RX_PIN = 2, TX_PIN = 4;
// ESP32-WROOM
#define TFT_DC 12 // A0
#define TFT_CS 13 // CS
#define TFT_MOSI 14 // SDA
#define TFT_CLK 27 // SCK
#define TFT_RST 0 // RESET
#define TFT_MISO 0 // MISO
const int MICROSD_PIN_CHIP_SELECT = 5; // Pino serial
const int MICROSD_PIN_MOSI = 23; // Pino serial
const int MICROSD_PIN_MISO = 19; // Pino serial
const int MICROSD_PIN_SCK = 18; // Clock pin
//Access point
const char *APN = "";
// User, if it doesn't exist, leave it empty
const char *USER = "";
// Password, if not, leave empty
const char *PASSWORD = "";
// number of cell phones,that will receive messages and calls and will be able to send SMS commands
String number = "+972593679079";
float temperature;
const int soundGate = 27;
float soundGateValue;
String arrOfStr [18];
String msg;
bool flag=true;
// Variable that stores an error message in the event of a problem with the SD card
String errorMsg;
// Instantiate an SD_File_Record object by sending the file name and the maximum size of the records (not counting the \ r \ r) in the constructor, that is, the actual size will be 3 + 2 = 5
SD_File_Record ObjSD( "s.txt");
//*****
// Update the two certificate strings below. Paste in the text of your AWS
// device certificate and private key. Add a quote character at the start
// of each line and a backslash, n, quote, space, backslash at the end
// of each line:
// xxxxxxxxxx-certificate.pem.crt
const char* certificate_pem_crt = \
"-----BEGIN CERTIFICATE-----\n" \
"MIIDWjCCAkKgAwIBAgIVAIyLqQv38ap5b/mlN74946CuYoEIMA0GCSqGSIb3DQEB\n" \
"CwUAME0xSzBJBgNVBAsMQkFtYXpvbiBXZWIgU2VydmljZXMgTz1BbWF6b24uY29t\n" \
"IEluYy4gTD1TZWF0dGxlIFNUPVdhc2hpbmd0b24gQz1VUzAeFw0yMDA4MTkwMzIz\n" \
"MjFaFw00OTEyMzEyMzU5NTlaMB4xHDAaBgNVBAMME0FXUyBJb1QgQ2VydGlmaWNh\n" \
"dGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDlbSHE7CkQNwxB0Esk\n" \
"g2OSmRaORD4hcLsusAEa1/7kxzWnvUFYUiVHNHF85Lmr/uf5fM6R0nfshd5ezemn\n" \
"9277Kl6ELSfxpqpHMSQwVT5G34GtJQhVsqN1lprYqCoaD7zBxtvsRBT4ovTvSGKF\n" \
"YX12c19shM1aaN3r8qxooYBKxKd0ViAjPinlNzXknEzzU9xc50kMdBkuLtNFIe4x\n" \
"RUPOPKmoNi/N0DxxW6wsXG4OMD6SKAMCo/z7jqm3pXQtHojLtmY7PXc/zQeb4Epj\n" \
"c6fiUA9oqSMB6SIWTVdvU/QstY0Fyrtmr6O2iGxeKTREU/WfJDrdVAOBIEofQaCe\n" \
"4H73AgMBAAGjYDBeMB8GA1UdIwQYMBaAFJLvcxjxXLvXCMCRWITgoz9wFW2LMB0G\n" \
"A1UdDgQWBBSBjEdVFqD43lzK8q85f4S70ig07jAMBgNVHRMBAf8EAjAAMA4GA1Ud\n" \
"DwEB/wQEAwIHgDANBgkqhkiG9w0BAQsFAAOCAQEAJJAFriwrAhAE2dh5mKisXwPo\n" \
"aRexLGO1Xn8x8hDMXF/COYyN+QXX7/+/gakG/gxCGXrxNVAflUJeNBvrP032DWUB\n" \
"dWKZKMpUy+wN3eDRXVYw5Q1eGJNYIhHPTuj/xUucGyhZjWfP2BeD7ZbCQ9ZcxgsS\n" \
"0r2DolZ/0iYZsfsDEOp1DubkuVRWmDh8/4zrs9CC1dl6cZfsm3Z/y+9+1WiSDTgd\n" \
"194SlQqkpSA7Q27OyPcYUM399H8HMbL4NpfMF8S8x0N0LyKC72PZCU+zbQkxbs2q\n" \
"FA4vFGizf1HLL4pflUrUnzVMtuZ/KWlV7mTv9mP3cHlP6jIesLnucQTjTGfdOg\n" \
"//-----END CERTIFICATE-----\n";
// xxxxxxxxxx-private.pem.key
const char* private_pem_key = \
"-----BEGIN RSA PRIVATE KEY-----\n" \
".... my private key goes here ...\n" \
"-----END RSA PRIVATE KEY-----\n";
/* root CA can be downloaded in:
https://www.symantec.com/content/en/us/enterprise/verisign/roots/VeriSign-Class%203-Public-Primary-Certification-Authority-G5.pem
*/
const char* rootCA = \
"-----BEGIN CERTIFICATE-----\n" \
"MIIDQTCCAimgAwIBAgITBmyfz5m/jAo54vB4ikPmljZbyjANBgkqhkiG9w0BAQsF\n" \
"ADA5MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6\n" \
"b24gUm9vdCBDQSAxMB4XDTE1MDUyNjAwMDAwMFoXDTM4MDExNzAwMDAwMFowOTEL\n" \
"MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJv\n" \
"b3QgQ0EgMTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALJ4gHHKeNXj\n" \
"ca9HgFB0fW7Y14h29Jlo91ghYPl0hAEvrAIthtOgQ3pOsqTQNroBvo3bSMgHFzZM\n" \
"9O6II8c+6zf1tRn4SWiw3te5djgdYZ6k/oI2peVKVuRF4fn9tBb6dNqcmzU5L/qw\n" \
"IFAGbHrQgLKm+a/sRxmPUDgH3KKHOVj4utWp+UhnMJbulHheb4mjUcAwhmahRWa6\n" \
"VOujw5H5SNz/0egwLX0tdHA114gk957EWW67c4cX8jJGKLhD+rcdqsq08p8kDi1L\n" \
"93FcXmn/6pUCyziKrlA4b9v7LWIbxcceVOF34GfID5yHI9Y/QCB/IIDEgEw+OyQm\n" \
"jgSubJrIqg0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMC\n" \
"AYYwHQYDVR0OBBYEFIQYzIU07LwMlJQuCFmcx7IQTgoIMA0GCSqGSIb3DQEBCwUA\n" \
"A4IBAQCY8jdaQZChGsV2USggNiMOruYou6r4lK5IpDB/G/wkjUu0yKGX9rbxenDI\n" \
"U5PMCCjjmCXPI6T53iHTfIUJrU6adTrCC2qJeHZERxhlbI1Bjjt/msv0tadQ1wUs\n" \
"N+gDS63pYaACbvXy8MWy7Vu33PqUXHeeE6V/Uq2V8viTO96LXFvKWlJbYK8U90vv\n" \
"o/ufQJVtMVT8QtPHRh8jrdkPSHCa2XV4cdFyQzR1bldZwgJcJmApzyMZFo6IQ6XU\n" \
"5MsI+yMRQ+hDKXJioaldXgjUkK642M4UwtBV8ob2xJNDd2ZhwLnoQdeXeGADbkpy\n" \
"rqXRfboQnoZsG4q5WTP468SQvvG5\n" \
"-----END CERTIFICATE-----\n";
//WiFiClientSecure wiFiClient;
void msgReceived(char* topic, byte* payload, unsigned int len);
//PubSubClient pubSubClient(awsEndpoint, 8883, msgReceived, wiFiClient);
void setup() {
Serial.begin(BAUD_RATE);
Serial.println("Starting...");
delay(50); Serial.println();
Serial.println("ESP32 AWS IoT Example");
Serial.printf("SDK version: %s\n", ESP.getSdkVersion());
/* Serial.print("Connecting to "); Serial.print(ssid);
WiFi.begin(ssid, password);
WiFi.waitForConnectResult();
Serial.print(", WiFi connected, IP address: "); Serial.println(WiFi.localIP());
wiFiClient.setCACert(rootCA);// GSM security API or GSM x509 certificate
wiFiClient.setCertificate(certificate_pem_crt);
wiFiClient.setPrivateKey(private_pem_key);
*/
