Diff: main.cpp

Revision:

0:eec7d62631de

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Mar 16 09:31:32 2021 +0000
@@ -0,0 +1,89 @@
+#include "mbed.h"
+Serial pc(USBTX, USBRX);
+Serial esp(p9, p10); // tx, rx
+Timer t;
+char buf[1024];
+char snd[255];
+int  count;
+int timeout,ended;
+char ssid[32] = "Chaitanya1";     // enter WiFi router ssid inside the quotes
+char pwd [40] = "9632964359"; // enter WiFi router password inside the quotes
+void SendCMD(),getreply();
+
+int main() {
+    pc.baud(9600);
+    esp.baud(9600);
+    
+    strcpy(snd,"AT\r\n");
+    SendCMD();
+    timeout=1;
+    getreply();
+    pc.printf(buf);
+    pc.printf("\n---------- Setting Mode ----------\r\n");
+    strcpy(snd, "AT+CWMODE=3\r\n");
+    SendCMD();
+    timeout=3;
+    getreply();
+    pc.printf(buf);
+
+    wait(2);
+     pc.printf("\n---------- Listing Access Points ----------\r\n");
+    strcpy(snd, "AT+CWLAP\r\n");
+    SendCMD();
+    timeout=3;
+    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=3;
+    getreply();
+    pc.printf(buf);
+wait(5);
+pc.printf("\n---------- Get IP's ----------\r\n");
+    strcpy(snd, "AT+CIFSR\r\n");
+    SendCMD();
+    timeout=10;
+    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);
+    
+}
+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();
+        }
+    }
+}
\ No newline at end of file