Components / ESP8266Interface

Socket interface for ESP8266. Implements the NetworkSocketAPI. Requires device to use the Espressif Firmware.

Dependencies:   ESP8266

Dependents:   ESP8266InterfaceTests HelloESP8266Interface

Fork of ESP8266Interface by NetworkSocketAPI

Note

This library assumes your ESP8266 is running the Espressif Firmware. For instructions on how to update your ESP8266 to use the correct firmware see the Firmware Update Wiki Page.

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 implimented

  • 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)

Diff: ESP8266Interface.cpp

Branch:
api-changes
Revision:
40:83c6b4129468
Parent:
39:7e85bf8003fa
Child:
41:3f4d5f4862d2
diff -r 7e85bf8003fa -r 83c6b4129468 ESP8266Interface.cpp
--- a/ESP8266Interface.cpp	Wed Feb 24 19:07:08 2016 -0600
+++ b/ESP8266Interface.cpp	Wed Feb 24 22:17:45 2016 -0600
@@ -15,21 +15,23 @@
  */
 
 #include "ESP8266Interface.h"
-#include "ESP8266SocketInterface.h"
 
+// ESP8266Interface implementation
 ESP8266Interface::ESP8266Interface(PinName tx, PinName rx, bool debug)
     : _esp(tx, rx, debug)
 {
     memset(_ids, 0, sizeof(_ids));
 }
 
+ESP8266Interface::~ESP8266Interface()
+{
+}
+
 int32_t ESP8266Interface::connect(
     const char *ap, 
     const char *pass_phrase, 
     wifi_security_t)
 {
-    _esp.setTimeout(getTimeout());
-
     if (!_esp.startup(3)) return -1;
     if (!_esp.dhcp(true, 1)) return -1;
     if (!_esp.connect(ap, pass_phrase)) return -1;
@@ -58,12 +60,6 @@
     return _mac_address;
 }
 
-void ESP8266Interface::setTimeout(uint32_t timeout)
-{
-    NetworkInterface::setTimeout(timeout);
-    _esp.setTimeout(timeout);
-}
-
 SocketInterface *ESP8266Interface::createSocket(socket_protocol_t proto)
 {
     // Look for an unused socket
@@ -81,13 +77,67 @@
         return 0;
     }
 
-    return new ESP8266SocketInterface(&_esp, proto, id);
+    return new ESP8266Interface::ESP8266Socket(&_esp, proto, id);
 }
 
 void ESP8266Interface::destroySocket(SocketInterface *iface)
 {
-    ESP8266SocketInterface *socket = (ESP8266SocketInterface *)iface;
+    ESP8266Interface::ESP8266Socket *socket = (ESP8266Interface::ESP8266Socket *)iface;
     _ids[socket->getID()] = false;
     delete socket;
 }
 
+
+// ESP8266Socket implementation
+ESP8266Interface::ESP8266Socket::ESP8266Socket(
+        ESP8266 *esp,
+        socket_protocol_t proto,
+        int id)
+    : _esp(esp)
+    , _proto(proto)
+    , _id(id)
+{
+}
+
+ESP8266Interface::ESP8266Socket::~ESP8266Socket()
+{
+}
+
+int32_t ESP8266Interface::ESP8266Socket::open(const char *ip, uint16_t port)
+{
+    const char *proto = (_proto == SOCK_UDP) ? "UDP" : "TCP";
+
+    if (!_esp->open(proto, _id, ip, port)) {
+        return -1;
+    }
+
+    return 0;
+}
+
+int32_t ESP8266Interface::ESP8266Socket::close()
+{
+    if (!_esp->close(_id)) {
+        return -1;
+    }
+
+    return 0;
+}
+
+int32_t ESP8266Interface::ESP8266Socket::send(const void *data, uint32_t amount)
+{
+    if (!_esp->send(_id, data, amount)) {
+        return -1;
+    }
+
+    return 0;
+}
+
+int32_t ESP8266Interface::ESP8266Socket::recv(void *data, uint32_t amount)
+{
+    return _esp->recv(_id, data, amount);
+}
+
+int ESP8266Interface::ESP8266Socket::getID() const {
+    return _id;
+}
+