wifi configuration

Dependencies:   mbed

Revision:
0:5ebf44bd3694
Child:
1:4a9cc6d8c33d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Feb 10 16:28:26 2015 +0000
@@ -0,0 +1,124 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX);
+Serial esp(PTE0, PTE1); // tx, rx 
+
+Timer t;
+
+int  count,ended,timeout;
+char buf[1024];
+char snd[255];
+
+char ssid[32] = "NETGEAR21";    // enter router ssid inside the quotes
+char pwd [32] = "PANASONIC";    // enter router password inside the quotes
+
+void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate();
+
+
+int main() {
+    
+    pc.baud(115200);    // set what you want here depending on your terminal program speed
+    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  ***********************
+     
+}
+
+// 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();    
+}    
+
+//  +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
+void ESPconfig()
+{
+
+    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;
+    getreply();
+    pc.printf(buf);
+    
+    wait(1);
+   
+   
+    pc.printf("\n---------- Get Version ----------\r\n");
+    strcpy(snd,"AT+GMR\r\n");
+    SendCMD();
+    timeout=1;
+    getreply();
+    pc.printf(buf);
+    
+    
+    wait(1);    
+    // 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;
+    getreply();
+    pc.printf(buf);
+    
+    wait(1);
+    
+    pc.printf("\n---------- Listing Acces Points ----------\r\n");
+    strcpy(snd, "AT+CWLAP\r\n");
+    SendCMD();
+    timeout=3;
+    getreply();   
+    pc.printf(buf);
+    
+    wait(1);    
+    
+    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=8;
+    getreply();    
+    pc.printf(buf);
+    
+    wait(5);
+    
+    pc.printf("\n---------- Get IP's ----------\r\n"); 
+    strcpy(snd, "AT+CIFSR\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");
+    pc.printf("  Run this if you want to reconfig the ESP8266 at any time.\r\n");
+} 
+
+void SendCMD()
+{    
+    esp.printf("%s", snd);    
+} 
+
+void 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();
+            }
+        }   
+}              
+ 
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