File content as of revision 10:99392075e1d0:

#include "mbed.h"
#include <stdio.h>
#include "WifiControl.h"

WifiControl::WifiControl(){
    
    pc =  new Serial(USBTX, USBRX);
    esp = new Serial(p28, p27); // tx, rx

    pc->baud(115200); 
    pc->printf("SERIAL WIFI OPENED\n");

    strcpy(snd, "AT+CIOBAUD=115200\r\n");
    SendCMD();

    
    
}

void WifiControl::wifiGo()
{
    DigitalOut reset(p26);
    reset=0; //hardware reset for 8266
    pc->baud(115200);  // set what you want here depending on your terminal program speed
    pc->printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r");
    wait(0.5);
    reset=1;
    timeout=2;
    getreply();
 
    esp->baud(115200);   // change this to the new ESP8266 baudrate if it is changed at any time.
 
    //ESPsetbaudrate();   //******************  include this routine to set a different ESP8266 baudrate  ******************
 
    ESPconfig();        //******************  include Config to set the ESP8266 configuration  ***********************
 
 
 
    // continuosly get AP list and IP
    while(1) {
        pc->printf("\n---------- Listing Acces Points ----------\r\n");
        strcpy(snd, "AT+CWLAP\r\n");
        SendCMD();
        timeout=15;
        getreply();
        pc->printf(buf);
        wait(2);
        pc->printf("\n---------- Get IP and MAC ----------\r\n");
        strcpy(snd, "AT+CIFSR\r\n");
        SendCMD();
        timeout=10;
        getreply();
        pc->printf(buf);
        wait(2);
    }
 
}

void WifiControl::ESPsetbaudrate()
{
    strcpy(snd, "AT+CIOBAUD=115200\r\n");   // change the numeric value to the required baudrate
    SendCMD();
}
 
//  +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
void WifiControl::ESPconfig()
{
    

    
    strcpy(snd, "AT+CIOBAUD=115200\r\n");   // change the numeric value to the required baudrate
    SendCMD();
    wait(5);
    strcpy(snd,"AT\r\n");
    SendCMD();
    wait(1);
    strcpy(snd,"AT\r\n");
    SendCMD();
    wait(1);
    strcpy(snd,"AT\r\n");
    SendCMD();
    timeout=1;
    getreply();
    wait(1);
    pc->printf("\f---------- Starting ESP Config ----------\r\n\n");
 
    pc->printf("---------- Reset & get Firmware ----------\r\n");
    strcpy(snd,"AT+RST\r\n");
    SendCMD();
    timeout=5;
    getreply();
    pc->printf(buf);
 
    wait(2);
 
    pc->printf("\n---------- Get Version ----------\r\n");
    strcpy(snd,"AT+GMR\r\n");
    SendCMD();
    timeout=4;
    getreply();
    pc->printf(buf);
 
    wait(3);
 
    // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station)
    pc->printf("\n---------- Setting Mode ----------\r\n");
    strcpy(snd, "AT+CWMODE=1\r\n");
    SendCMD();
    timeout=4;
    getreply();
    pc->printf(buf);
 
    wait(2);
 
    // set CIPMUX to 0=Single,1=Multi
    pc->printf("\n---------- Setting Connection Mode ----------\r\n");
    strcpy(snd, "AT+CIPMUX=1\r\n");
    SendCMD();
    timeout=4;
    getreply();
    pc->printf(buf);
 
    wait(2);
 
    pc->printf("\n---------- Listing Access Points ----------\r\n");
    strcpy(snd, "AT+CWLAP\r\n");
    SendCMD();
    timeout=15;
    getreply();
    pc->printf(buf);
 
    wait(2);
 
    pc->printf("\n---------- Connecting to AP ----------\r\n");
    pc->printf("ssid = %s   pwd = %s\r\n",ssid,pwd);
    strcpy(snd, "AT+CWJAP=\"");
    strcat(snd, ssid);
    strcat(snd, "\",\"");
    strcat(snd, pwd);
    strcat(snd, "\"\r\n");
    SendCMD();
    timeout=10;
    getreply();
    pc->printf(buf);
 
    wait(5);
 
    pc->printf("\n---------- Get IP's ----------\r\n");
    strcpy(snd, "AT+CIFSR\r\n");
    SendCMD();
    timeout=3;
    getreply();
    pc->printf(buf);
 
    wait(1);
 
    pc->printf("\n---------- Get Connection Status ----------\r\n");
    strcpy(snd, "AT+CIPSTATUS\r\n");
    SendCMD();
    timeout=5;
    getreply();
    pc->printf(buf);
 
    pc->printf("\n\n\n  If you get a valid (non zero) IP, ESP8266 has been set up.\r\n");
    pc->printf("  Run this if you want to reconfig the ESP8266 at any time.\r\n");
    pc->printf("  It saves the SSID and password settings internally\r\n");
    wait(10);
}
 
void WifiControl::SendCMD()
{
    esp->printf("%s", snd);
}
 
void WifiControl::getreply()
{
    memset(buf, '\0', sizeof(buf));
    t.start();
    ended=0;
    count=0;
    while(!ended) {
        if(esp->readable()) {
            buf[count] = esp->getc();
            count++;
        }
        if(t.read() > timeout) {
            ended = 1;
            t.stop();
            t.reset();
        }
    }
}