ESP8266 Socket Library. AT Thinker firmware.

Dependents:   ESP8266_MQTT_HelloWorld ESP8266_IFTTT_Test ECE_4180_Lab_4 websocketmbed ... more

Fork of ESP8266Interface by ESP8266

This repository has been superceded

This project has moved to https://developer.mbed.org/teams/ESP8266/code/esp8266-driver/

This library works with the AT Thinker firmware.

Note

This library is currently in Beta. It is not feature complete and has some bugs, proceed with caution! Fixes and patches are welcome and appreciated!

Currently the ESP8266Interface Library has the following Abilities:

Working

  • TCP Client
  • UDP Client
  • Transparent mode (single connection of 1 type at a time)
  • Station Mode (connects to AP)

To be implemented

  • TCP Server
  • UDP Server
  • Multi Connection Mode (able to have up to 5 sockets at a time)
  • AP Mode (Make ESP Chip act like access point)
  • DNS Support (currently websites must be looked up by IP)
  • Error Recovery

Nice but not necessary

  • colorized text for ESP AT Commands in Command line (easier to differentiate from other text)
Revision:
37:6887e61cf674
Parent:
31:fd0eaf273b11
Child:
38:86e75901efc1
--- a/Socket/UDPSocket.cpp	Sat May 02 03:30:52 2015 +0000
+++ b/Socket/UDPSocket.cpp	Sat May 02 03:58:22 2015 +0000
@@ -48,7 +48,14 @@
     int idx = 0;
 
     confEndpoint(remote);
-
+    // initialize transparent mode if not already done
+    if(!endpoint_configured) {
+        // initialize UDP (default id of -1 means transparent mode)
+        if(!wifi->start(ESP_UDP_TYPE, remote._ipAddress, remote._port, remote._id)) {
+            return(-1);
+        }
+        endpoint_configured = true;
+    }
     tmr.start();
 
     while ((tmr.read_ms() < _timeout) || _blocking) {
@@ -68,13 +75,13 @@
     int idx = 0;
     int nb_available = 0;
     int time = -1;
-    
+
     //make this the non-blocking case and return if <= 0
     // remember to change the config to blocking
     // if ( ! _blocking) {
-        // if ( wifi.readable <= 0 ) {
-            // return (wifi.readable);
-        // }
+    // if ( wifi.readable <= 0 ) {
+    // return (wifi.readable);
+    // }
     // }
     //---
     tmr.start();
@@ -90,28 +97,28 @@
     // blocking case
     else {
         tmr.reset();
-        
-        while (time < _timeout){
+
+        while (time < _timeout) {
             nb_available = wifi->readable();
             if (nb_available < 0) return nb_available;
             if (nb_available > 0) break ;
             time = tmr.read_ms();
         }
-        
-        if (nb_available == 0) return nb_available;  
-    } 
-    
+
+        if (nb_available == 0) return nb_available;
+    }
+
     // change this to < 20 mS timeout per byte to detect end of packet gap
     // this may not work due to buffering at the UART interface
     tmr.reset();
     // while ( tmr.read_ms() < 20 ) {
-        // if ( wifi.readable() && (idx < length) ) {
-            // buffer[idx++] = wifi->getc();
-            // tmr.reset();
-        // }
-        // if ( idx == length ) {
-            // break;
-        // }
+    // if ( wifi.readable() && (idx < length) ) {
+    // buffer[idx++] = wifi->getc();
+    // tmr.reset();
+    // }
+    // if ( idx == length ) {
+    // break;
+    // }
     // }
     //---
     while (time < _timeout) {