Diff: src/WifiControl.cpp

Revision:

10:99392075e1d0

Parent:

7:33ef027d0378

Child:

12:ef988c7fe8a4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/WifiControl.cpp	Mon Oct 19 19:57:15 2015 +0000
@@ -0,0 +1,192 @@
+#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();
+        }
+    }
+}