wifi configuration

Dependencies:   mbed

Revision:
4:f40e7eb1ba1e
Parent:
3:14e33fec26c3
Child:
5:9f46b8cdd469
--- a/main.cpp	Tue Feb 10 17:14:53 2015 +0000
+++ b/main.cpp	Fri Aug 28 01:12:23 2015 +0000
@@ -1,160 +1,185 @@
 #include "mbed.h"
 
 Serial pc(USBTX, USBRX);
-Serial esp(PTE0, PTE1); // tx, rx 
-
+Serial esp(p28, p27); // tx, rx
+DigitalOut reset(p26);
 Timer t;
 
 int  count,ended,timeout;
 char buf[1024];
 char snd[255];
 
-char ssid[32] = "ssid";     // enter router ssid inside the quotes
-char pwd [32] = "password"; // enter router password inside the quotes
+char ssid[32] = "ATT864";     // enter WiFi router ssid inside the quotes
+char pwd [32] = "2419932397"; // enter WiFi router password inside the quotes
 
 void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate();
 
 
-int main() {
-    
+int main()
+{
+    reset=0; //hardware reset for 8266
     pc.baud(115200);  // set what you want here depending on your terminal program speed
-    esp.baud(9600);   // change this to the new ESP8266 baudrate if it is changed at any time.    
-    
+    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  ***********************
-    
-   
-   // contiuosly get AP list and IP
-    while(1){
+
+
+
+    // continuosly get AP list and IP
+    while(1) {
         pc.printf("\n---------- Listing Acces Points ----------\r\n");
         strcpy(snd, "AT+CWLAP\r\n");
         SendCMD();
-        timeout=3;
-        getreply();   
+        timeout=15;
+        getreply();
         pc.printf(buf);
-
-        pc.printf("\n---------- Get IP's ----------\r\n"); 
+        wait(2);
+        pc.printf("\n---------- Get IP and MAC ----------\r\n");
         strcpy(snd, "AT+CIFSR\r\n");
         SendCMD();
-        timeout=2;
-        getreply(); 
+        timeout=10;
+        getreply();
         pc.printf(buf);
-    }    
-     
+        wait(2);
+    }
+
 }
 
 // Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed
 void ESPsetbaudrate()
 {
     strcpy(snd, "AT+CIOBAUD=115200\r\n");   // change the numeric value to the required baudrate
-    SendCMD();    
-}    
+    SendCMD();
+}
 
 //  +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
 void ESPconfig()
 {
+    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("---------- Starting ESP Config ----------\r\n\n");
-    wait(2);
     pc.printf("---------- Reset & get Firmware ----------\r\n");
     strcpy(snd,"AT+RST\r\n");
     SendCMD();
-    timeout=2;
+    timeout=5;
     getreply();
     pc.printf(buf);
-    
-    wait(1);   
-   
+
+    wait(2);
+
     pc.printf("\n---------- Get Version ----------\r\n");
     strcpy(snd,"AT+GMR\r\n");
     SendCMD();
-    timeout=1;
+    timeout=4;
     getreply();
-    pc.printf(buf);    
-    
-    wait(1);
-        
+    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=1;
+    timeout=4;
     getreply();
     pc.printf(buf);
-    
-    wait(1);
-    
-    // set CIPMUX to 0=Single,1=Multi 
+
+    wait(2);
+
+    // set CIPMUX to 0=Single,1=Multi
     pc.printf("\n---------- Setting Connection Mode ----------\r\n");
-    strcpy(snd, "AT+CIPMUX=1\r\n"); 
+    strcpy(snd, "AT+CIPMUX=1\r\n");
     SendCMD();
-    timeout=1;
+    timeout=4;
     getreply();
     pc.printf(buf);
-    
-    wait(1);
-    
-    pc.printf("\n---------- Listing Acces Points ----------\r\n");
+
+    wait(2);
+
+    pc.printf("\n---------- Listing Access Points ----------\r\n");
     strcpy(snd, "AT+CWLAP\r\n");
     SendCMD();
-    timeout=3;
-    getreply();   
+    timeout=15;
+    getreply();
     pc.printf(buf);
-    
-    wait(1);    
-    
+
+    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");   
+    strcat(snd, "\"\r\n");
     SendCMD();
-    timeout=8;
-    getreply();    
+    timeout=10;
+    getreply();
     pc.printf(buf);
-    
+
     wait(5);
-    
-    pc.printf("\n---------- Get IP's ----------\r\n"); 
+
+    pc.printf("\n---------- Get IP's ----------\r\n");
     strcpy(snd, "AT+CIFSR\r\n");
     SendCMD();
-    timeout=2;
-    getreply(); 
+    timeout=3;
+    getreply();
     pc.printf(buf);
-    
+
     wait(1);
-    
-    pc.printf("\n---------- Get Connection Status ----------\r\n"); 
+
+    pc.printf("\n---------- Get Connection Status ----------\r\n");
     strcpy(snd, "AT+CIPSTATUS\r\n");
     SendCMD();
-    timeout=2;
-    getreply(); 
-    pc.printf(buf);   
-    
-    pc.printf("\n\n\n  If you get a valid IP, ESP8266 has been set up.\r\n");
+    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 SendCMD()
-{    
-    esp.printf("%s", snd);    
-} 
+{
+    esp.printf("%s", snd);
+}
 
 void getreply()
-{    
+{
     memset(buf, '\0', sizeof(buf));
     t.start();
-    ended=0;count=0;
+    ended=0;
+    count=0;
     while(!ended) {
         if(esp.readable()) {
-            buf[count] = esp.getc();count++;
-            }
+            buf[count] = esp.getc();
+            count++;
+        }
         if(t.read() > timeout) {
-                ended = 1;t.stop();t.reset();
-            }
-        }   
-}              
- 
\ No newline at end of file
+            ended = 1;
+            t.stop();
+            t.reset();
+        }
+    }
+}