File content as of revision 1:082b9b2c7935:

#define _DEBUG 1

#if _DEBUG
//Enable debug
#define __DEBUG__
#include <cstdio>
#define DBG(x, ...) printf("[HTTPS : DBG] "x"\r\n", ##__VA_ARGS__);
#define WARN(x, ...) printf("[HTTPS : WARN] "x"\r\n", ##__VA_ARGS__);
#define ERR(x, ...) printf("[HTTPS : ERR] "x"\r\n", ##__VA_ARGS__);

#else
//Disable debug
#define DBG(x, ...) 
#define WARN(x, ...)
#define ERR(x, ...) 
#endif

#include "HTTPSConnection.h"

char* response;
char *bearer;

HTTPSConnection::HTTPSConnection(PinName tx, PinName rx, int baudrate) // ATSerial
: sim800_HTTPS(tx, rx, baudrate)
{
    
}


// Function that initializes the SIM900 module with the proper network provider parameters
void HTTPSConnection::HTTPS_initialization(const char* gprs_apn){
    
    // Check Communication with SIM900
    response = sim800_HTTPS.sendCmdAndWaitForResp("ATE0\r\n", 100); 
    //response = sim800_HTTPS_HTTPS.sendCmdAndWaitForResp("AT+CGMR=?\r\n", 2000);
    //response = sim800_HTTPS_HTTPS.sendCmdAndWaitForResp("AT+CGMR\r\n", 2000);
    DBG("%s", response);
    
    // Status of the network connection
    DBG("AT+CREG?");
    response = sim800_HTTPS.sendCmdAndWaitForResp("AT+CREG?\r\n", 100);
    DBG("%s", response);
    
    DBG("AT+SAPBR=3,1, CONTYPE");
    response = sim800_HTTPS.sendCmdAndWaitForResp("AT+SAPBR=3,1,\"CONTYPE\",\"GPRS\"\r\n", 2000);
    DBG("%s", response);
    
    // Set Network Provider APN
    // Freedompop
    // response = sim800_HTTPS_HTTPS.sendCmdAndWaitForResp("AT+SAPBR=3,1,\"APN\",\"freedompop.foggmobile.com\"\r\n", "OK", 200);
    // Vodafone ES
    DBG("AT+SAPBR=3,1, APN");
    char comm_apn[50]; sprintf(comm_apn,"AT+SAPBR=3,1,\"APN\",\"%s\"\r\n", gprs_apn);
    response = sim800_HTTPS.sendCmdAndWaitForResp("AT+SAPBR=3,1,\"APN\",\"airtelwap.es\"\r\n", 500);
    DBG("%s", response);
    
    // Open bearer
    DBG("AT+SAPBR=1,1");
    response = sim800_HTTPS.sendCmdAndWaitForResp("AT+SAPBR=1,1\r\n", 2000);
    DBG("%s", response);
    
    
    // Query bearer
    DBG("AT+SAPBR=2,1");
    response = sim800_HTTPS.sendCmdAndWaitForResp("AT+SAPBR=2,1\r\n",2000);
    DBG("%s", response);
    
    // Enable HTTP functions
    DBG("AT+HTTPINIT");
    response = sim800_HTTPS.sendCmdAndWaitForResp("AT+HTTPINIT\r\n", 2000);
    DBG("%s", response);
    
    // Does SSL functionality exist on our current firmware?
    //DBG("AT+HTTPSSL=?");
    //response = sim800_HTTPS.sendCmdAndWaitForResp("AT+HTTPSSL=?\r\n", 2000);
    //DBG("%s", response);
    
    // Is SSL function enabled?
    //DBG("AT+HTTPSSL?");
    //response = sim800_HTTPS.sendCmdAndWaitForResp("AT+HTTPSSL?\r\n", 2000);
    //DBG("%s", response);
    
    // Enable SSL functionality for HTTP
    DBG("AT+HTTPSSL=1");
    response = sim800_HTTPS.sendCmdAndWaitForResp("AT+HTTPSSL=1\r\n", 2000);
    DBG("%s", response);

}

// Function to set our Azure account parameters
void HTTPSConnection::HTTPS_setAzureParameters(const char* gprs_url, const char* gprs_sas, char* gprs_data){

    // Set bearer profile identifier
    DBG("AT+HTTPPARA=CID,1");
    response = sim800_HTTPS.sendCmdAndWaitForResp("AT+HTTPPARA=\"CID\",1\r\n", 2000);
    DBG("%s", response);
    
    // Set the URL and the Shared Access Signature
    DBG("AT+HTTPPARA=URL");
    char comm_url[200]; sprintf(comm_url,"AT+HTTPPARA=\"URL\",\"%s\"\r\n", gprs_url);
    response = sim800_HTTPS.sendCmdAndWaitForResp(comm_url, 2000);
    DBG("%s", response);
    DBG("AT+HTTPPARA=USERDATA");
    char comm_sas[200]; sprintf(comm_sas,"AT+HTTPPARA=\"USERDATA\",\"%s\"\r\n", gprs_sas);
    response = sim800_HTTPS.sendCmdAndWaitForResp(comm_sas, 2000);
    DBG("%s", response);
    
    // Set Content-Type field in the HTTP header
    DBG("AT+HTTPPARA=CONTENT");
    response = sim800_HTTPS.sendCmdAndWaitForResp("AT+HTTPPARA=\"CONTENT\",\"application/json\"\r\n", 2000);
    DBG("%s", response);
    
    // Set Data length
    DBG("AT+HTTPDATA");
    char https_data[30]; sprintf(https_data,"AT+HTTPDATA=%d,20000\r\n", strlen(gprs_data));
    sim800_HTTPS.sendCmdAndWaitForResp(https_data, 200);
    
    // Set the JSON String
    char comm_data[1000]; sprintf(comm_data,"%s", gprs_data);
    response = sim800_HTTPS.sendCmdAndWaitForResp(comm_data, 1000);
    DBG("%s", response);

}

void HTTPSConnection::HTTPS_updateStringToSend(char* gprs_data){

    // Set Data length
    DBG("AT+HTTPDATA");
    char https_data[30]; sprintf(https_data,"AT+HTTPDATA=%d,20000\r\n", strlen(gprs_data));
    sim800_HTTPS.sendCmdAndWaitForResp(https_data, 200);
    
    // Set the JSON String
    char comm_data[1000]; sprintf(comm_data,"%s", gprs_data);
    response = sim800_HTTPS.sendCmdAndWaitForResp(comm_data, 1000);
    DBG("%s", response);

}

char* HTTPSConnection::HTTPS_post(int timeout){ 
    return sim800_HTTPS.sendCmdAndWaitForResp("AT+HTTPACTION=1\r\n", timeout);
}