Revision 2:77388e8f0697, committed 2014-12-28

Comitter:

quevedo

Date:

Sun Dec 28 21:58:49 2014 +0000

Parent:

1:399414d48048

Child:

3:4f24e7e803a1

Commit message:

Added functions: Get connection status, Start server mode, Close server mode; now the ESP serial baudrate is passed as a parameter in the constructor

Changed in this revision

--- a/ESP8266.cpp	Wed Dec 17 13:54:34 2014 +0000
+++ b/ESP8266.cpp	Sun Dec 28 21:58:49 2014 +0000
@@ -1,8 +1,8 @@
 #include "ESP8266.h"
 
 // Constructor
-ESP8266::ESP8266(PinName tx, PinName rx) : comm(tx, rx) {
-    comm.baud(115200);
+ESP8266::ESP8266(PinName tx, PinName rx, int br) : comm(tx, rx) {
+    comm.baud(br);
 }
 
 // Destructor
@@ -25,6 +25,29 @@
     s[k + 1] = 0;
 }
 
+// Converts integer number to null-terminated string
+void ESP8266::itoa(int n, char * s) {
+    char k = 0;
+    char r[11];
+    
+    if(n == 0) {
+        s[0] = '0';
+        s[1] = 0;
+    } else {
+        while(n != 0) {
+            r[k]= (n % 10) + '0';
+            n = n / 10;
+            k++;
+        }
+        while(k > 0) {
+            s[n] = r[k - 1] + '0';
+            n++;
+            k--;
+        }
+        s[n] = 0;
+    }
+}
+
 // Sends command to ESP8266. Receives the command string
 void ESP8266::SendCMD(char * s) {
     AddEOL(s);
@@ -117,4 +140,29 @@
     char rs[15];
     strcpy(rs, "AT+CIPMUX=1");
     SendCMD(rs);
+}
+
+// Gets connection status. Parameter: string to contain status
+void ESP8266::GetConnStatus(char * st) {
+    char cmd[15];
+    strcpy(cmd, "AT+CIPSTATUS");
+    SendCMD(cmd);
+    RcvReply(st, 2000);
+}
+
+// Starts server mode. Parameter: port to be used
+void ESP8266::StartServerMode(int port) {
+    char rs[25];
+    char t[4];
+    strcpy(rs, "AT+CIPSERVER=1,");
+    itoa(port, t);
+    strcat(rs, t);
+    SendCMD(rs);
+}
+
+// Close server mode.
+void ESP8266::CloseServerMode(void) {
+    char rs[20];
+    strcpy(rs, "AT+CIPSERVER=0");
+    SendCMD(rs);
 }
\ No newline at end of file

--- a/ESP8266.h	Wed Dec 17 13:54:34 2014 +0000
+++ b/ESP8266.h	Sun Dec 28 21:58:49 2014 +0000
@@ -12,8 +12,9 @@
   *
   * @param tx TX pin
   * @param rx RX pin
+  * @param br Baud Rate
   */
-  ESP8266(PinName tx, PinName rx);
+  ESP8266(PinName tx, PinName rx, int br);
 
   /**
   * ESP8266 destructor
@@ -30,11 +31,15 @@
 void Quit(void);
 void SetSingle(void);
 void SetMultiple(void);
+void GetConnStatus(char * st);
+void StartServerMode(int port);
+void CloseServerMode(void);
 
 private:
 Serial comm;
 void AddEOL(char * s);
 void AddChar(char * s, char c);
+void itoa(int c, char s[]);
 
 };
   
@@ -51,12 +56,12 @@
     AT+CWQAP: quit the AP wifi; Inquiry: AT+CWQAP=?  
     * AT+CWSAP: set the parameters of AP; AT+CWSAP= <ssid>,<pwd>,<chl>,<ecn> - ssid, pwd, chl = channel, ecn = encryption; Inquiry: AT+CWJAP?
     TCP/IP:
-    * AT+CIPSTATUS: get the connection status
+    AT+CIPSTATUS: get the connection status
     * AT+CIPSTART: set up TCP or UDP connection 1)single connection (+CIPMUX=0) AT+CIPSTART= <type>,<addr>,<port>; 2) multiple connection (+CIPMUX=1) AT+CIPSTART= <id><type>,<addr>, <port> - id = 0-4, type = TCP/UDP, addr = IP address, port= port; Inquiry: AT+CIPSTART=?
     * AT+CIPSEND: send data; 1)single connection(+CIPMUX=0) AT+CIPSEND=<length>; 2) multiple connection (+CIPMUX=1) AT+CIPSEND= <id>,<length>; Inquiry: AT+CIPSEND=?
     * AT+CIPCLOSE: close TCP or UDP connection; AT+CIPCLOSE=<id> or AT+CIPCLOSE; Inquiry: AT+CIPCLOSE=?
     AT+CIFSR: Get IP address; Inquiry: AT+ CIFSR=?
     AT+CIPMUX:  set mutiple connection; AT+ CIPMUX=<mode> - 0 for single connection 1 for mutiple connection; Inquiry: AT+CIPMUX?
-    * AT+CIPSERVER: set as server; AT+ CIPSERVER= <mode>[,<port> ] - mode 0 to close server mode, mode 1 to open; port = port; Inquiry: AT+CIFSR=?
+    AT+CIPSERVER: set as server; AT+ CIPSERVER= <mode>[,<port> ] - mode 0 to close server mode, mode 1 to open; port = port; Inquiry: AT+CIFSR=?
     * +IPD: received data
 */
\ No newline at end of file