Borja Tarazona / Mbed 2 deprecated Azure_SIM800_HelloWorld

This program sends data to your Azure IoT Hub account using SIMCOM Modules like SIM800 or SIM900. It establishes the communication via HTTPS. For this reason make sure that your module supports HTTPS.

Dependencies:   SIMInterface mbed

Fork of Azure_SIM800_HelloWorld by Borja Tarazona

main.cpp

Committer:
BorjaTarazona
Date:
2017-08-10
Revision:
1:85515946d42f
Parent:
0:60bc1892bfae

File content as of revision 1:85515946d42f:

#include "mbed.h"                 // mbed library
#include "HTTPSConnection.h"      // SIM800/SIM900 HTTPS library
#include "SIMInterface.h"         // SIM800/SIM900 interface
#include <string>                 // C string library 

#define SERIAL_TX PTC4            // SIM serial port TX pin
#define SERIAL_RX PTC3            // SIM serial port RX pin
#define SERIAL_BAUDRATE 19200     // SIM serial port baudrate
#define SIM_PWRKEY PTC6           // SIM PWRKEY pin 

char* POST_response;    // Response from Azure after a POST request
SIMInterface sim(SERIAL_TX,SERIAL_RX,SERIAL_BAUDRATE,SIM_PWRKEY);   // SIM Interface Definition
HTTPSConnection simHTTPS(SERIAL_TX,SERIAL_RX,SERIAL_BAUDRATE);      // SIM HTTPS Definition

// <apn>  A  string  parameter  to  indicate  the  GPRS  access  point  name.
// Ex: For VODAFONE ES it is "airtelwap.es"
static const char* gprs_apn = "";

// <URL>  A  string  parameter  to  indicate  the  connection URL.
// Ex: "https://XXXXXXXX.azure-devices.net/devices/XXXXX/messages/events?api-version=2016-02-03"
static const char* gprs_url = ""; 

// <SAS>  A  string  parameter  to  indicate  the  Shared Access Signature.
// Ex: "Authorization: SharedAccessSignature sr=XXXXX.azure-devices.net&sig=rCD5ZWvjblAl20djcEdtuL40vpKmdjvQH7lTphIRtJo%3D&se=1530094422"
static const char* gprs_sas = "";

// <SAS>  A  string  parameter  to  indicate  the  Shared Access Signature 
// Ex: "{\"temperature\":0.01123046875}\r\n"
char gprs_data [1000] = "";


// Main function
int main() 
{
    // Hello
    printf("Hola\r\n");
    
    // Wake up the module
    printf("Wake up, SIM!\r\n");
    sim.wakeUp();
    
    // Initializes HTTP and SSL on the module
    printf("Initializing HTTPS\r\n");
    simHTTPS.HTTPS_initialization(gprs_apn); 
    
    // Sets our Azure account parameters
    printf("Setting Azure IoT Hub Parameters\r\n");
    simHTTPS.HTTPS_setAzureParameters(gprs_url, gprs_sas, gprs_data); 
    
    // Infinite loop
    while (true)
    { 
        
        // HTTPS POST
        printf("HTTPS POST\r\n");
        POST_response = simHTTPS.HTTPS_post(10000);
        printf("%s\r\n", POST_response); 
        
        wait_ms(1000); // 1 second delay
        
    }
}