main.cpp

00001 #include "mbed.h"
00002 #include <string>
00003 #include "ESP8266.h"
00004  
00005 // Objects
00006 Serial pc(USBTX, USBRX);
00007 ESP8266 wifi(PTC17, PTC16, 115200);
00008 
00009 DigitalOut led_rojo(LED_RED);
00010 DigitalOut led_verde(LED_GREEN);
00011 DigitalOut led_azul(LED_BLUE);
00012 
00013 #define ON  0;
00014 #define OFF  1;
00015 
00016 // Global variables
00017 char snd[255], rcv[1000]; // Strings for sending and receiving commands / data / replies
00018 
00019 void wifiInit(void);
00020 bool isConnectedToWifi(void);
00021 void wifiConnect(void);
00022  
00023 int main() {
00024     led_azul = OFF;
00025     led_rojo = OFF;
00026     led_verde = OFF;
00027     
00028     pc.baud(115200);
00029     wifi.Quit();
00030     wifiInit();
00031     wifiConnect();
00032     
00033     
00034 
00035     while(1);
00036 }
00037 
00038 void wifiInit(void){
00039     pc.printf("Gateway Sistema de Control de Cotos\r\n");
00040     pc.printf("Resetting WiFi\r\n");
00041     wifi.Reset();
00042     wait(2);
00043     wifi.DisableEcho();
00044     pc.printf("Set mode to Station\r\n");
00045     wifi.SetMode(1);
00046     wifi.RcvReply(rcv, 1000);
00047     pc.printf("%s", rcv);
00048     wait(2);
00049 }
00050 
00051 void wifiConnect(void){
00052     Timer t;
00053     if(isConnectedToWifi()){
00054         pc.printf("Gateway is already connected to wifi with the following IP address\r\n");
00055         wifi.GetIP(rcv);
00056         pc.printf("%s", rcv);
00057         led_azul = OFF;
00058         led_verde = ON;
00059         wait(2);      
00060     }else{
00061         t.start();
00062         pc.printf("Starting Smart Config\r\n");
00063         led_azul = ON;
00064         wifi.StartSmartConfig();
00065         wifi.RcvReply(rcv, 5000);
00066         pc.printf("%s", rcv);
00067         wait(5);
00068         while(!isConnectedToWifi()){
00069             if(t.read_ms() > 30000) {
00070                 led_azul = OFF;
00071                 led_rojo = ON;
00072                 pc.printf("No se pudo conectar al Wifi");
00073                 break;
00074             }          
00075         }          
00076     }   
00077 }
00078 
00079 bool isConnectedToWifi(void){
00080     bool status;
00081     wifi.GetConnStatus(rcv);
00082     //pc.printf("%s", rcv);
00083     if(strcmp(rcv,"STATUS:2\r")==0){
00084         led_azul = OFF;
00085         led_rojo = OFF;
00086         led_verde = ON;
00087         status=true;
00088     }else{
00089         status=false;
00090     }
00091     return status;
00092     
00093 }