File content as of revision 2:bc3973471585:

#include "mbed.h"
#include <string>
#include "ESP01.h"
#include "https_request.h"
#include "mbed_trace.h"
#include "TCPSocket.h"
#include "ESP8266Interface.h"
 
// Objects
Serial pc(USBTX, USBRX);
ESP01 wifi(PTC17, PTC16, 115200);       //Con este objeto implementamos los metodos que requieren comandos AT del modulo de WIFI
//ESP8266Interface net(PTC17, PTC16);     //Con este objeto implementamos todas las funciones de red para la creacion de Sockets

DigitalOut led_rojo(LED_RED);
DigitalOut led_verde(LED_GREEN);
DigitalOut led_azul(LED_BLUE);

#define ON  0;
#define OFF  1;

// Global variables
char snd[255], rcv[1000]; // Strings for sending and receiving commands / data / replies

void wifiInit(void);
bool isConnectedToWifi(void);
void wifiConnect(void);

void http_demo(NetworkInterface *net);


/* List of trusted root CA certificates
 * currently two: Amazon, the CA for os.mbed.com and Let's Encrypt, the CA for httpbin.org
 *
 * To add more root certificates, just concatenate them.
 */
const char SSL_CA_PEM[] =  
    "-----BEGIN CERTIFICATE-----\n"
    "MIIFmzCCBIOgAwIBAgIRAJRuZHok8dQjAQAAAAApJGwwDQYJKoZIhvcNAQELBQAw\n"
    "QjELMAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczET\n"
    "MBEGA1UEAxMKR1RTIENBIDFPMTAeFw0xOTAzMTMyMTMwNTdaFw0yMDAzMTEyMTMw\n"
    "NTdaMGgxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQH\n"
    "Ew1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgTExDMRcwFQYDVQQDEw5m\n"
    "aXJlYmFzZWlvLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALkd\n"
    "/jeM+PrwIYmM6IE28iN7CjKnBWy+tqNrs5z2AJwM5iLgtgcbc+THuXGElTN7zAWB\n"
    "SKWv+ezAGe5NiTEEUiWgX1z1VFDj85xpz+Cysn/Oi8MtoN6h8yCmYPtXv8YPInw0\n"
    "JLkSM5e2uuWVwc/tR1Fh+awpiYQFqGm6DvMq6yAYB/nuL3Gyc4XFgRrxje+VQ+g3\n"
    "oWE+9NVfqu4smFCutSIGlEdRhGdr/m2u+sc+dnBZNoVOqwSyyFyjpAZvMMvuE5Ip\n"
    "3ovfA1tq57nl9eQw8fcKsdXOeeXYHc1KBUUC7Xb8F/1+upVML8a5GMULpYkClLXt\n"
    "OKRRfCJa53YynILJdPkCAwEAAaOCAmQwggJgMA4GA1UdDwEB/wQEAwIFoDATBgNV\n"
    "HSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBS03YhV70g6\n"
    "+7MUxtOiluRi1T2GAzAfBgNVHSMEGDAWgBSY0fhuEOvPm+xgnxiQG6DrfQn9KzBk\n"
    "BggrBgEFBQcBAQRYMFYwJwYIKwYBBQUHMAGGG2h0dHA6Ly9vY3NwLnBraS5nb29n\n"
    "L2d0czFvMTArBggrBgEFBQcwAoYfaHR0cDovL3BraS5nb29nL2dzcjIvR1RTMU8x\n"
    "LmNydDArBgNVHREEJDAigg5maXJlYmFzZWlvLmNvbYIQKi5maXJlYmFzZWlvLmNv\n"
    "bTAhBgNVHSAEGjAYMAgGBmeBDAECAjAMBgorBgEEAdZ5AgUDMC8GA1UdHwQoMCYw\n"
    "JKAioCCGHmh0dHA6Ly9jcmwucGtpLmdvb2cvR1RTMU8xLmNybDCCAQIGCisGAQQB\n"
    "1nkCBAIEgfMEgfAA7gB1ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJUy3vi5Be\n"
    "AAABaXkuFzgAAAQDAEYwRAIgVssWhLEYItcpljMfJfkBhnxUrw32ik3C7IyBhkS6\n"
    "jQcCIAHzoq/0QsRXY8RITJ5z6pThPzJhiSeLhWb6v2MDs6+NAHUAXqdz+d9WwOe1\n"
    "Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFpeS4XEQAABAMARjBEAiBgwY3jVuyU\n"
    "HTDrfXt7Hhq3AL9kD8hASq/qIXFvHAel1AIgV2DY0UI7PvVl2uHicvaL9BfUPQjP\n"
    "8/7b5W5jd6HEKbowDQYJKoZIhvcNAQELBQADggEBAAFG/f9zTyPTiYjjbPKpIC3T\n"
    "MMD8dWvny1DJpL2fQPMcpAkkduW7sFG8mLRh14mSBsWqAusj99nAKt6NJhxZewhp\n"
    "JKwbcawanW+w2DUzFr0FauVxNIs4xPxcgkCNAGeUj8ZI+cDcSaMOY4WxNrjOgbbI\n"
    "feOxHsCmIWxch6/vNVxh+54BZFCy723DL8Fo/tDRU73b+gxPJusJva4ABuXSqSFT\n"
    "EDaRGzdj8AKkoDmRkWLcEg/6a/2dfw8VV7fIAlqVxNQwZWZLtIsBGazxZ5xflrVz\n"
    "I5AHejNR7guDaWAimhkSOlG11W8BzPtdAo/xJ6JyI4K5kPGIXucniVRmQfmojxc=\n"
    "-----END CERTIFICATE-----\n"
    "-----BEGIN CERTIFICATE-----\n"
    "MIIESjCCAzKgAwIBAgINAeO0mqGNiqmBJWlQuDANBgkqhkiG9w0BAQsFADBMMSAw\n"
    "HgYDVQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMjETMBEGA1UEChMKR2xvYmFs\n"
    "U2lnbjETMBEGA1UEAxMKR2xvYmFsU2lnbjAeFw0xNzA2MTUwMDAwNDJaFw0yMTEy\n"
    "MTUwMDAwNDJaMEIxCzAJBgNVBAYTAlVTMR4wHAYDVQQKExVHb29nbGUgVHJ1c3Qg\n"
    "U2VydmljZXMxEzARBgNVBAMTCkdUUyBDQSAxTzEwggEiMA0GCSqGSIb3DQEBAQUA\n"
    "A4IBDwAwggEKAoIBAQDQGM9F1IvN05zkQO9+tN1pIRvJzzyOTHW5DzEZhD2ePCnv\n"
    "UA0Qk28FgICfKqC9EksC4T2fWBYk/jCfC3R3VZMdS/dN4ZKCEPZRrAzDsiKUDzRr\n"
    "mBBJ5wudgzndIMYcLe/RGGFl5yODIKgjEv/SJH/UL+dEaltN11BmsK+eQmMF++Ac\n"
    "xGNhr59qM/9il71I2dN8FGfcddwuaej4bXhp0LcQBbjxMcI7JP0aM3T4I+DsaxmK\n"
    "FsbjzaTNC9uzpFlgOIg7rR25xoynUxv8vNmkq7zdPGHXkxWY7oG9j+JkRyBABk7X\n"
    "rJfoucBZEqFJJSPk7XA0LKW0Y3z5oz2D0c1tJKwHAgMBAAGjggEzMIIBLzAOBgNV\n"
    "HQ8BAf8EBAMCAYYwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMBIGA1Ud\n"
    "EwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFJjR+G4Q68+b7GCfGJAboOt9Cf0rMB8G\n"
    "A1UdIwQYMBaAFJviB1dnHB7AagbeWbSaLd/cGYYuMDUGCCsGAQUFBwEBBCkwJzAl\n"
    "BggrBgEFBQcwAYYZaHR0cDovL29jc3AucGtpLmdvb2cvZ3NyMjAyBgNVHR8EKzAp\n"
    "MCegJaAjhiFodHRwOi8vY3JsLnBraS5nb29nL2dzcjIvZ3NyMi5jcmwwPwYDVR0g\n"
    "BDgwNjA0BgZngQwBAgIwKjAoBggrBgEFBQcCARYcaHR0cHM6Ly9wa2kuZ29vZy9y\n"
    "ZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAGoA+Nnn78y6pRjd9XlQWNa7H\n"
    "TgiZ/r3RNGkmUmYHPQq6Scti9PEajvwRT2iWTHQr02fesqOqBY2ETUwgZQ+lltoN\n"
    "FvhsO9tvBCOIazpswWC9aJ9xju4tWDQH8NVU6YZZ/XteDSGU9YzJqPjY8q3MDxrz\n"
    "mqepBCf5o8mw/wJ4a2G6xzUr6Fb6T8McDO22PLRL6u3M4Tzs3A2M1j6bykJYi8wW\n"
    "IRdAvKLWZu/axBVbzYmqmwkm5zLSDW5nIAJbELCQCZwMH56t2Dvqofxs6BBcCFIZ\n"
    "USpxu6x6td0V7SvJCCosirSmIatj/9dSSVDQibet8q/7UK4v4ZUN80atnZz1yg==\n"
    "-----END CERTIFICATE-----\n";
    

void dump_response(HttpResponse* res) {
    printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());

    printf("Headers:\n");
    for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
        printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str());
    }
    printf("\nBody (%lu bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str());
}
 
int main() {
    led_azul = OFF;
    led_rojo = OFF;
    led_verde = OFF;
    
    pc.baud(115200);
    wifi.Quit();
    wifiInit();
    wifiConnect();
    
    
    
    //NextToDo: Crear un servidor y a la vez hacer get y post
    
    ESP8266Interface net(PTC17, PTC16);     //Con este objeto implementamos todas las funciones de red para la creacion de Sockets
    
    http_demo(&net);
    
    wifi.StartServerMode(333);
    wifi.RcvReply(rcv, 1000);
    pc.printf("%s", rcv);
    wait(20);
    
    http_demo(&net);
    
    
    
    

    while(1);
}

void wifiInit(void){
    pc.printf("Gateway Sistema de Control de Cotos\r\n");
    pc.printf("Resetting WiFi\r\n");
    wifi.Reset();
    wait(2);
    wifi.DisableEcho();
    pc.printf("Set mode to Station+AP\r\n");
    wifi.SetMode(BOTH);
    wifi.RcvReply(rcv, 1000);
    pc.printf("%s", rcv);
    wait(2);
    pc.printf("Configure for multiple sockets\r\n");
    wifi.SetMultiple();
    wifi.RcvReply(rcv, 1000);
    pc.printf("%s", rcv);
    wait(2);
    pc.printf("Enable DHCP\r\n");
    wifi.EnableDHCP();
    wifi.RcvReply(rcv, 1000);
    pc.printf("%s", rcv);
    wait(2);   
}

void wifiConnect(void){
    Timer t;
    if(isConnectedToWifi()){
        pc.printf("Gateway is already connected to wifi with the following IP address\r\n");
        wifi.GetIP(rcv);
        pc.printf("%s", rcv);
        led_azul = OFF;
        led_verde = ON;
        wait(2);      
    }else{
        t.start();
        pc.printf("Starting Smart Config\r\n");
        led_azul = ON;
        wifi.StartSmartConfig();
        wifi.RcvReply(rcv, 15000);
        pc.printf("%s", rcv);
        wait(5);
        while(!isConnectedToWifi()){
            if(t.read_ms() > 30000) {
                led_azul = OFF;
                led_rojo = ON;
                pc.printf("No se pudo conectar al Wifi");
                break;
            }          
        }          
    }   
}

bool isConnectedToWifi(void){
    bool status;
    wifi.GetConnStatusCode(rcv);
    //pc.printf("%s", rcv);
    if(strcmp(rcv,"STATUS:2\r")==0){
        led_azul = OFF;
        led_rojo = OFF;
        led_verde = ON;
        status=true;
    }else{
        status=false;
    }
    return status;
    
}

void http_demo(NetworkInterface *network){
    TLSSocket* socket = new TLSSocket();
 
    nsapi_error_t r;
    // make sure to check the return values for the calls below (should return NSAPI_ERROR_OK)
    r = socket->open(network);
    r = socket->set_root_ca_cert(SSL_CA_PEM);
    r = socket->connect("https://cotoceiba.firebaseio.com", 443);
    
    printf("\n----- HTTPS GET request -----\n");

        HttpsRequest* get_req = new HttpsRequest(socket, HTTP_GET, "https://cotoceiba.firebaseio.com/Condominos/94.json?auth=ZpXLLURU9KWmW5t1kzBYD2IuBE0V7wdv5vXwDgsH");

        HttpResponse* get_res = get_req->send();
        if (!get_res) {
            printf("HttpRequest failed (error code %d)\n", get_req->get_error());
            //return 1;
        }
        printf("\n----- HTTPS GET response -----\n");
        dump_response(get_res);
        delete get_req;     
        
        printf("\n----- HTTPS POST request -----\n");

        HttpsRequest* post_req = new HttpsRequest(socket, HTTP_POST, "https://cotoceiba.firebaseio.com/Condominos/52.json?auth=ZpXLLURU9KWmW5t1kzBYD2IuBE0V7wdv5vXwDgsH");
        post_req->set_header("Content-Type", "application/json");

        const char body[] = "{\"nombre\":\"Posteado por Wifi Perros\",\"numcasa\":\"64\"}";

        HttpResponse* post_res = post_req->send(body, strlen(body));
        if (!post_res) {
            printf("HttpRequest failed (error code %d)\n", post_req->get_error());
            //return 1;
        }

        printf("\n----- HTTPS POST response -----\n");
        dump_response(post_res);
        delete post_req;
}