Diff: main.cpp

Revision:

4:8fed3705384e

Parent:

3:5dceee1c49fc

--- a/main.cpp	Tue Jun 11 00:24:59 2019 +0000
+++ b/main.cpp	Sun Sep 15 20:56:21 2019 +0000
@@ -1,84 +1,93 @@
 #include "main.h"
+#include <string>
 
 // 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
+//ESP8266Interface net(PTC17, PTC16);     //Con este objeto implementamos todas las funciones de red para la creacion de Sockets
 RFDecoder decoder = RFDecoder(D2,D3);   //tx rx
+Ticker firebasecheck;
+
 
 // Global variables
-char send[250]; // Strings for sending and receiving commands / data send / data receive / command received / status received
-char recv[250];
+char send[128]; // Strings for sending and receiving commands / data send / data receive / command received / status received
+char recv[128];
 char command[TCPCOMMSBYTESMAX];
 char status[TCPSTATSBYTESMAX];
 char controlcode[8];
 
+string comandofirebase;
+bool firebaseTimeoutExpired = false;
+
+
+
 int main()
 {
+
     //Inicializacion de los Perifericos
     led_azul = OFF;
     led_rojo = OFF;
     led_verde = OFF;
     pc.baud(115200);
 
+    esp01_en.mode(PullUp);
+    esp01_rst.mode(PullUp);
+
 
     //Inicializacion y Conexion al WiFi
+    //wifiInit();
+    //wifi.Quit();
     wifiInit();
-    //wifi.Quit();
     wifiConnect();
 
     //ESP8266Interface *net = new ESP8266Interface(); //Con este objeto implementamos todas las funciones de red para la creacion de Sockets para HTTPS
     //http_demo(net);
     //delete net;   //Necesario destruir el objeto cuando ya no se use para desocupar la interface de wifi.
 
+    ESP8266Interface *net = new ESP8266Interface(); //Con este objeto implementamos todas las funciones de red para la creacion de Sockets para HTTPS
+    //delete net;   //Necesario destruir el objeto cuando ya no se use para desocupar la interface de wifi.
 
-    //Iniciamos el servidor
-    startServer(SERVER_PORT);
-
-
+    //Tarea para revisar si hay algun comando en firebase, esta tarea se ejecuta cada x segundos.
+    firebasecheck.attach(&firebaseCheckTimeout, INTERVALFIREBASECHECK);
 
     while(1) {
-        //Revisamos si hay un dato por TCP disponible
-        if(wifi.TCPDataAvailable(recv)) {
-            pc.printf("%s", recv);
-            int socket = getTCPContent(recv,command,status);
+        if(firebaseTimeoutExpired) {
+            //Leemos la bsae de datos de firebase para revisar si hay algun comando disponible.
+            comandofirebase = getFirebaseCommand(net);
+
+            //Habilitamos el debugeo de la memoria
+            //print_all_thread_info();
+            //print_heap_and_isr_stack_info();
 
-            //Comando para registrar control
-            if(command[0] == NEW_CONTROL_REGISTER) {
+            if(comandofirebase.compare(AGREGARCONTROL) == 0) {
                 Timer t;
+                int tini;
                 t.start();
+                tini = t.read_ms();
+
+                pc.printf("Comando Agregar Control Recibido\r\n");
+                putFirebaseCommand(net, WAITING_RF_CODE, 0);
+                
                 LEDAMARILLO_ON;
-                while(t.read_ms() < 30000) {
+                while((t.read_ms()- tini) < MAXTIMERXCONTROL) {
                     if(decoder.available()) {
                         unsigned long numcode = decoder.getCode();
                         pc.printf("Codigo Recibido %x \n\r", numcode);
-
-                        convertToCharArray(&controlcode[0],numcode);
-
-                        send[0] = CONTROL_REGISTER_INFO;
-                        send[1] = controlcode[4];
-                        send[2] = controlcode[5];
-                        send[3] = controlcode[6];
-                        wifi.SendTCPData(socket,TCPCOMMSBYTESMAX,send);
-                        wifi.SendTCPData(socket,TCPCOMMSBYTESMAX,send);
+                        putFirebaseCommand(net, NEW_CONTROL_RESPONSE, numcode);
                         break;
                     }
                 }
-
                 LEDVERDE_ON;
-                command[0] = 0x00;
-            }
-
-            //Evaluar otros comandos
-            if(command[0] == HEARBEAT_REQUEST) {
-                send[0] = HEARBEAT_RESPONSE;
-                wifi.SendTCPData(socket,TCPCOMMSBYTESMAX,send);
-                wifi.SendTCPData(socket,TCPCOMMSBYTESMAX,send);
-                command[0] = 0x00;
+                firebaseTimeoutExpired = false;
+                comandofirebase = NINGUNCOMANDO;
+            } else {
+                pc.printf("Ningun comando recibido\r\n");
+                firebaseTimeoutExpired = false;
             }
 
         }
 
+
     }
 }
 
@@ -91,59 +100,57 @@
     wifi.DisableEcho();
     pc.printf("Set mode to Station\r\n");
     wifi.SetMode(STATION);
-    wifi.RcvReply(recv, 1000);
+    wifi.RcvReply(recv, 3000);
     pc.printf("%s", recv);
     wait(2);
     pc.printf("Configure for multiple sockets\r\n");
     wifi.SetMultiple();
-    wifi.RcvReply(recv, 1000);
+    wifi.RcvReply(recv, 3000);
     pc.printf("%s", recv);
     wait(2);
+    /*
     pc.printf("Enable DHCP\r\n");
     wifi.EnableDHCP();
-    wifi.RcvReply(recv, 1000);
+    wifi.RcvReply(recv, 1500);
     pc.printf("%s", recv);
     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(recv);
-        pc.printf("%s", recv);
-        led_azul = OFF;
-        led_verde = ON;
-        wait(2);
-    } else {
-        pc.printf("Starting Smart Config\r\n");
-        led_azul = ON;
-        wifi.StartSmartConfig();
-        wifi.RcvReply(recv, 15000);
-        pc.printf("%s", recv);
-        wait(5);
-        t.start();
-        while(!isConnectedToWifi()) {
-            //Timeout para hacer la conexion
-            /*
-            if(t.read_ms() > 30000) {
-                led_azul = OFF;
-                led_rojo = ON;
-                pc.printf("No se pudo conectar al Wifi\r\n");
-                while(1);
-                break;
-            }
-            */
+    char connCheckCounter = 0;
+
+    while(!isConnectedToWifi()) {
+        if(connCheckCounter > MAXWIFICONNCHECKS) {
+            //pc.printf("Starting Smart Config\r\n");
+            led_azul = ON;
+            wifi.StartSmartConfig();
+            wifi.RcvReply(recv, 15000);
+            //pc.printf("%s", recv);
+            wait(5);
+            connCheckCounter=0;
         }
+        connCheckCounter++;
+        pc.printf("Gateway no conectado, intento de reconexion %d\r\n",connCheckCounter);
+        wait(1);
     }
+
+    pc.printf("Gateway is already connected to wifi with the following IP address\r\n");
+    wifi.GetIP(recv);
+    pc.printf("%s", recv);
+    led_azul = OFF;
+    led_verde = ON;
+    wait(2);
+
 }
 
+
 bool isConnectedToWifi(void)
 {
     bool status;
     wifi.GetConnStatusCode(recv);
-    //pc.printf("%s", recv);
+    //pc.printf("El estado de la conexion es %s", recv);
     if(strcmp(recv,"STATUS:2\r")==0) {
         led_azul = OFF;
         led_rojo = OFF;
@@ -158,10 +165,10 @@
 
 void startServer(int port)
 {
-    pc.printf("Iniciando servidor en el puerto %d\r\n",port);
+    //pc.printf("Iniciando servidor en el puerto %d\r\n",port);
     wifi.StartServerMode(port);
     wifi.RcvReply(recv, 1000);
-    pc.printf("%s", recv);
+    //pc.printf("%s", recv);
     //wait(2);
 }
 
@@ -204,6 +211,80 @@
 }
 
 
+string getFirebaseCommand(NetworkInterface *network)
+{
+    TLSSocket* socket = new TLSSocket();
+    string comando = NINGUNCOMANDO;
+
+    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----- Conectando con la base de datos de Firebase -----\n");
+    //HttpsRequest* get_req = new HttpsRequest(socket, HTTP_GET, "https://cotoceiba.firebaseio.com/Comandos/AppToGateway/Request/Comando.json?auth=ZpXLLURU9KWmW5t1kzBYD2IuBE0V7wdv5vXwDgsH");
+    HttpsRequest* get_req = new HttpsRequest(socket, HTTP_GET, "https://cotoceiba.firebaseio.com/Comandos/AppToGateway/Request/Comando.json?");
+
+    HttpResponse* get_res = get_req->send();
+    if (!get_res) {
+        printf("HttpGetRequest failed (error code %d)\n", get_req->get_error());
+        comando = NINGUNCOMANDO;
+        //return 1;
+    } else {
+        //printf("\n----- Respuesta de Firebase -----\n");
+        //printf("Status: %d - %s\n", get_res->get_status_code(), get_res->get_status_message().c_str());
+
+        comando = get_res->get_body_as_string();
+        //pc.printf("%s\r\n",comando.c_str());
+        //printf("\nBody (%lu bytes):\n\n%s\n", get_res->get_body_length(), get_res->get_body_as_string().c_str());
+    }
+
+
+    delete get_req;
+    socket->close();
+    delete socket;
+
+    return comando;
+}
+
+void putFirebaseCommand(NetworkInterface *network, char comando, unsigned long numcode)
+{
+    TLSSocket* socket = new TLSSocket();
+    char body[100];
+
+    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----- Enviando datos a la base de datos de Firebase -----\n");
+    HttpsRequest* post_req = new HttpsRequest(socket, HTTP_PATCH, "https://cotoceiba.firebaseio.com/Comandos/GatewayToApp/Response.json?auth=ZpXLLURU9KWmW5t1kzBYD2IuBE0V7wdv5vXwDgsH");
+    post_req->set_header("Content-Type", "application/json");
+
+    sprintf(body, "{\"Comando\":\"%d\",\"Valor1\":\"%X\"}",comando,numcode);
+    HttpResponse* post_res = post_req->send(body, strlen(body));
+
+    if (!post_res) {
+        printf("HttpPatchRequest failed (error code %d)\n", post_req->get_error());
+    }
+
+//    printf("\n----- HTTPS PATCH response -----\n");
+//    dump_response(post_res);
+    socket->close();
+    delete socket;
+    delete post_req;
+}
+
+void firebaseCheckTimeout()
+{
+    firebaseTimeoutExpired = true;
+
+}
+
+
 void http_demo(NetworkInterface *network)
 {
     TLSSocket* socket = new TLSSocket();
@@ -254,4 +335,4 @@
         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());
-}
\ No newline at end of file
+}