Merge pull request #265 from Links2004/esp32

ESP32 support
improved test
sorted examples

.travis.yml

@@ -2,28 +2,31 @@ sudo: false
 language: bash
 os:
   - linux
+env:
+  matrix:
+    - CPU="esp8266" BOARD="esp8266com:esp8266:generic:CpuFrequency=80" IDE_VERSION=1.6.5
+    - CPU="esp8266" BOARD="esp8266com:esp8266:generic:CpuFrequency=80,FlashSize=1M0,FlashMode=qio,FlashFreq=80" IDE_VERSION=1.8.5
+    - CPU="esp8266" BOARD="esp8266com:esp8266:generic:CpuFrequency=80,Debug=Serial1" IDE_VERSION=1.6.5
+    - CPU="esp32" BOARD="espressif:esp32:esp32:FlashFreq=80" IDE_VERSION=1.6.5
+    - CPU="esp32" BOARD="espressif:esp32:esp32:FlashFreq=80" IDE_VERSION=1.8.5
 
 script:
   - /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_1.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :1 -ac -screen 0 1280x1024x16
   - sleep 3
   - export DISPLAY=:1.0
-  - wget http://downloads.arduino.cc/arduino-1.6.5-linux64.tar.xz
+  - wget http://downloads.arduino.cc/arduino-$IDE_VERSION-linux64.tar.xz
-  - tar xf arduino-1.6.5-linux64.tar.xz
+  - tar xf arduino-$IDE_VERSION-linux64.tar.xz
-  - mv arduino-1.6.5 $HOME/arduino_ide
+  - mv arduino-$IDE_VERSION $HOME/arduino_ide
   - export PATH="$HOME/arduino_ide:$PATH"
   - which arduino
   - mkdir -p $HOME/Arduino/libraries
   - cp -r $TRAVIS_BUILD_DIR $HOME/Arduino/libraries/arduinoWebSockets
-  - cd $HOME/arduino_ide/hardware
-  - mkdir esp8266com
-  - cd esp8266com
-  - git clone https://github.com/esp8266/Arduino.git esp8266
-  - cd esp8266/tools
-  - python get.py
   - source $TRAVIS_BUILD_DIR/travis/common.sh
-  - arduino --board esp8266com:esp8266:generic --save-prefs
+  - get_core $CPU
+  - cd $TRAVIS_BUILD_DIR
+  - arduino --board $BOARD --save-prefs
   - arduino --get-pref sketchbook.path
-  - build_sketches arduino $HOME/Arduino/libraries/arduinoWebSockets esp8266
+  - build_sketches arduino $HOME/Arduino/libraries/arduinoWebSockets/examples/$CPU $CPU
 
 notifications:
   email:

README.md

@@ -23,7 +23,8 @@ a WebSocket Server and Client for Arduino based on RFC6455.
  - wss / SSL is not possible.
 
 ##### Supported Hardware #####
- - ESP8266 [Arduino for ESP8266](https://github.com/Links2004/Arduino)
+ - ESP8266 [Arduino for ESP8266](https://github.com/esp8266/Arduino/)
+ - ESP32 [Arduino for ESP32](https://github.com/espressif/arduino-esp32)
  - ESP31B
  - Particle with STM32 ARM Cortex M3
  - ATmega328 with Ethernet Shield (ATmega branch)

examples/esp32/WebSocketClient/WebSocketClient.ino

@@ -0,0 +1,106 @@
+/*
+ * WebSocketClient.ino
+ *
+ *  Created on: 24.05.2015
+ *
+ */
+
+#include <Arduino.h>
+
+#include <WiFi.h>
+#include <WiFiMulti.h>
+#include <WiFiClientSecure.h>
+
+#include <WebSocketsClient.h>
+
+
+WiFiMulti WiFiMulti;
+WebSocketsClient webSocket;
+
+HardwareSerial Serial1(2);
+
+#define USE_SERIAL Serial1
+
+void hexdump(const void *mem, uint32_t len, uint8_t cols = 16) {
+	const uint8_t* src = (const uint8_t*) mem;
+	USE_SERIAL.printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len);
+	for(uint32_t i = 0; i < len; i++) {
+		if(i % cols == 0) {
+			USE_SERIAL.printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i);
+		}
+		USE_SERIAL.printf("%02X ", *src);
+		src++;
+	}
+	USE_SERIAL.printf("\n");
+}
+
+void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
+
+	switch(type) {
+		case WStype_DISCONNECTED:
+			USE_SERIAL.printf("[WSc] Disconnected!\n");
+			break;
+		case WStype_CONNECTED:
+			USE_SERIAL.printf("[WSc] Connected to url: %s\n", payload);
+
+			// send message to server when Connected
+			webSocket.sendTXT("Connected");
+			break;
+		case WStype_TEXT:
+			USE_SERIAL.printf("[WSc] get text: %s\n", payload);
+
+			// send message to server
+			// webSocket.sendTXT("message here");
+			break;
+		case WStype_BIN:
+			USE_SERIAL.printf("[WSc] get binary length: %u\n", length);
+			hexdump(payload, length);
+
+			// send data to server
+			// webSocket.sendBIN(payload, length);
+			break;
+	}
+
+}
+
+void setup() {
+	// USE_SERIAL.begin(921600);
+	USE_SERIAL.begin(115200);
+
+	//Serial.setDebugOutput(true);
+	USE_SERIAL.setDebugOutput(true);
+
+	USE_SERIAL.println();
+	USE_SERIAL.println();
+	USE_SERIAL.println();
+
+	for(uint8_t t = 4; t > 0; t--) {
+		USE_SERIAL.printf("[SETUP] BOOT WAIT %d...\n", t);
+		USE_SERIAL.flush();
+		delay(1000);
+	}
+
+	WiFiMulti.addAP("SSID", "passpasspass");
+
+	//WiFi.disconnect();
+	while(WiFiMulti.run() != WL_CONNECTED) {
+		delay(100);
+	}
+
+	// server address, port and URL
+	webSocket.begin("192.168.0.123", 81, "/");
+
+	// event handler
+	webSocket.onEvent(webSocketEvent);
+
+	// use HTTP Basic Authorization this is optional remove if not needed
+	webSocket.setAuthorization("user", "Password");
+
+	// try ever 5000 again if connection has failed
+	webSocket.setReconnectInterval(5000);
+
+}
+
+void loop() {
+	webSocket.loop();
+}

examples/esp32/WebSocketClientSSL/WebSocketClientSSL.ino

@@ -0,0 +1,102 @@
+/*
+ * WebSocketClientSSL.ino
+ *
+ *  Created on: 10.12.2015
+ *
+ *  note SSL is only possible with the ESP8266
+ *
+ */
+
+#include <Arduino.h>
+
+#include <WiFi.h>
+#include <WiFiMulti.h>
+#include <WiFiClientSecure.h>
+
+#include <WebSocketsClient.h>
+
+
+WiFiMulti WiFiMulti;
+WebSocketsClient webSocket;
+
+HardwareSerial Serial1(2);
+
+#define USE_SERIAL Serial1
+
+void hexdump(const void *mem, uint32_t len, uint8_t cols = 16) {
+	const uint8_t* src = (const uint8_t*) mem;
+	USE_SERIAL.printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len);
+	for(uint32_t i = 0; i < len; i++) {
+		if(i % cols == 0) {
+			USE_SERIAL.printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i);
+		}
+		USE_SERIAL.printf("%02X ", *src);
+		src++;
+	}
+	USE_SERIAL.printf("\n");
+}
+
+void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
+
+
+    switch(type) {
+        case WStype_DISCONNECTED:
+            USE_SERIAL.printf("[WSc] Disconnected!\n");
+            break;
+        case WStype_CONNECTED:
+            {
+                USE_SERIAL.printf("[WSc] Connected to url: %s\n",  payload);
+
+			    // send message to server when Connected
+				webSocket.sendTXT("Connected");
+            }
+            break;
+        case WStype_TEXT:
+            USE_SERIAL.printf("[WSc] get text: %s\n", payload);
+
+			// send message to server
+			// webSocket.sendTXT("message here");
+            break;
+        case WStype_BIN:
+            USE_SERIAL.printf("[WSc] get binary length: %u\n", length);
+            hexdump(payload, length);
+
+            // send data to server
+            // webSocket.sendBIN(payload, length);
+            break;
+    }
+
+}
+
+void setup() {
+    // USE_SERIAL.begin(921600);
+    USE_SERIAL.begin(115200);
+
+    //Serial.setDebugOutput(true);
+    USE_SERIAL.setDebugOutput(true);
+
+    USE_SERIAL.println();
+    USE_SERIAL.println();
+    USE_SERIAL.println();
+
+      for(uint8_t t = 4; t > 0; t--) {
+          USE_SERIAL.printf("[SETUP] BOOT WAIT %d...\n", t);
+          USE_SERIAL.flush();
+          delay(1000);
+      }
+
+    WiFiMulti.addAP("SSID", "passpasspass");
+
+    //WiFi.disconnect();
+    while(WiFiMulti.run() != WL_CONNECTED) {
+        delay(100);
+    }
+
+    webSocket.beginSSL("192.168.0.123", 81);
+    webSocket.onEvent(webSocketEvent);
+
+}
+
+void loop() {
+    webSocket.loop();
+}

examples/esp32/WebSocketServer/WebSocketServer.ino

@@ -0,0 +1,100 @@
+/*
+ * WebSocketServer.ino
+ *
+ *  Created on: 22.05.2015
+ *
+ */
+
+#include <Arduino.h>
+
+#include <WiFi.h>
+#include <WiFiMulti.h>
+#include <WiFiClientSecure.h>
+
+#include <WebSocketsServer.h>
+
+WiFiMulti WiFiMulti;
+WebSocketsServer webSocket = WebSocketsServer(81);
+
+HardwareSerial Serial1(2);
+
+#define USE_SERIAL Serial1
+
+void hexdump(const void *mem, uint32_t len, uint8_t cols = 16) {
+	const uint8_t* src = (const uint8_t*) mem;
+	USE_SERIAL.printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len);
+	for(uint32_t i = 0; i < len; i++) {
+		if(i % cols == 0) {
+			USE_SERIAL.printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i);
+		}
+		USE_SERIAL.printf("%02X ", *src);
+		src++;
+	}
+	USE_SERIAL.printf("\n");
+}
+
+void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t length) {
+
+    switch(type) {
+        case WStype_DISCONNECTED:
+            USE_SERIAL.printf("[%u] Disconnected!\n", num);
+            break;
+        case WStype_CONNECTED:
+            {
+                IPAddress ip = webSocket.remoteIP(num);
+                USE_SERIAL.printf("[%u] Connected from %d.%d.%d.%d url: %s\n", num, ip[0], ip[1], ip[2], ip[3], payload);
+
+				// send message to client
+				webSocket.sendTXT(num, "Connected");
+            }
+            break;
+        case WStype_TEXT:
+            USE_SERIAL.printf("[%u] get Text: %s\n", num, payload);
+
+            // send message to client
+            // webSocket.sendTXT(num, "message here");
+
+            // send data to all connected clients
+            // webSocket.broadcastTXT("message here");
+            break;
+        case WStype_BIN:
+            USE_SERIAL.printf("[%u] get binary length: %u\n", num, length);
+            hexdump(payload, length);
+
+            // send message to client
+            // webSocket.sendBIN(num, payload, length);
+            break;
+    }
+
+}
+
+void setup() {
+    // USE_SERIAL.begin(921600);
+    USE_SERIAL.begin(115200);
+
+    //Serial.setDebugOutput(true);
+    USE_SERIAL.setDebugOutput(true);
+
+    USE_SERIAL.println();
+    USE_SERIAL.println();
+    USE_SERIAL.println();
+
+    for(uint8_t t = 4; t > 0; t--) {
+        USE_SERIAL.printf("[SETUP] BOOT WAIT %d...\n", t);
+        USE_SERIAL.flush();
+        delay(1000);
+    }
+
+    WiFiMulti.addAP("SSID", "passpasspass");
+
+    while(WiFiMulti.run() != WL_CONNECTED) {
+        delay(100);
+    }
+
+    webSocket.begin();
+    webSocket.onEvent(webSocketEvent);
+}
+
+void loop() {
+    webSocket.loop();
+}

examples/esp8266/WebSocketServer_LEDcontrol/WebSocketServer_LEDcontrol.ino

@@ -23,7 +23,7 @@
 
 ESP8266WiFiMulti WiFiMulti;
 
-ESP8266WebServer server = ESP8266WebServer(80);
+ESP8266WebServer server(80);
 WebSocketsServer webSocket = WebSocketsServer(81);
 
 void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t length) {
@@ -119,4 +119,3 @@ void loop() {
     webSocket.loop();
     server.handleClient();
 }
-

library.json

@@ -13,7 +13,7 @@
         "type": "git",
         "url": "https://github.com/Links2004/arduinoWebSockets.git"
     },
-    "version": "2.0.10",
+    "version": "2.1.0",
     "license": "LGPL-2.1",
     "export": {
         "exclude": [

library.properties

@@ -1,5 +1,5 @@
 name=WebSockets
-version=2.0.10
+version=2.1.0
 author=Markus Sattler
 maintainer=Markus Sattler
 sentence=WebSockets for Arduino (Server + Client)

src/WebSockets.cpp

@@ -38,6 +38,8 @@ extern "C" {
 
 #ifdef ESP8266
 #include <Hash.h>
+#elif defined(ESP32)
+#include <hwcrypto/sha.h>
 #else
 
 extern "C" {
@@ -484,6 +486,9 @@ String WebSockets::acceptKey(String & clientKey) {
     uint8_t sha1HashBin[20] = { 0 };
 #ifdef ESP8266
     sha1(clientKey + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11", &sha1HashBin[0]);
+#elif defined(ESP32)
+    String data = clientKey + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
+    esp_sha(SHA1, (unsigned char*)data.c_str(), data.length(), &sha1HashBin[0]);
 #else
     clientKey += "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
     SHA1_CTX ctx;

src/WebSockets.h

@@ -48,24 +48,29 @@
 #define NODEBUG_WEBSOCKETS
 #endif
 
-#ifdef ESP8266
+#if defined(ESP8266) || defined(ESP32)
+
 #define WEBSOCKETS_MAX_DATA_SIZE  (15*1024)
 #define WEBSOCKETS_USE_BIG_MEM
 #define GET_FREE_HEAP ESP.getFreeHeap()
 // moves all Header strings to Flash (~300 Byte)
 //#define WEBSOCKETS_SAVE_RAM
-#else
+
-#ifdef STM32_DEVICE
+#elif defined(STM32_DEVICE)
+
 #define WEBSOCKETS_MAX_DATA_SIZE  (15*1024)
 #define WEBSOCKETS_USE_BIG_MEM
 #define GET_FREE_HEAP System.freeMemory()
+
 #else
+
 //atmega328p has only 2KB ram!
 #define WEBSOCKETS_MAX_DATA_SIZE  (1024)
 // moves all Header strings to Flash
 #define WEBSOCKETS_SAVE_RAM
+
 #endif
-#endif
+
 
 #define WEBSOCKETS_TCP_TIMEOUT    (2000)
 
@@ -73,36 +78,46 @@
 #define NETWORK_ESP8266         (1)
 #define NETWORK_W5100           (2)
 #define NETWORK_ENC28J60        (3)
+#define NETWORK_ESP32           (4)
 
 // max size of the WS Message Header
 #define WEBSOCKETS_MAX_HEADER_SIZE  (14)
 
-#if !defined(WEBSOCKETS_NETWORK_TYPE) 
+#if !defined(WEBSOCKETS_NETWORK_TYPE)
 // select Network type based
 #if defined(ESP8266) || defined(ESP31B)
 #define WEBSOCKETS_NETWORK_TYPE NETWORK_ESP8266
 //#define WEBSOCKETS_NETWORK_TYPE NETWORK_ESP8266_ASYNC
 //#define WEBSOCKETS_NETWORK_TYPE NETWORK_W5100
+
+#elif defined(ESP32)
+#define WEBSOCKETS_NETWORK_TYPE NETWORK_ESP32
+
 #else
 #define WEBSOCKETS_NETWORK_TYPE NETWORK_W5100
+
 #endif
 #endif
 
+// Includes and defined based on Network Type
 #if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266_ASYNC)
 
 // Note:
 //   No SSL/WSS support for client in Async mode
 //   TLS lib need a sync interface!
 
-#if !defined(ESP8266) && !defined(ESP31B)
+
+#if defined(ESP8266)
+#include <ESP8266WiFi.h>
+#elif defined(ESP32)
+#include <WiFi.h>
+#include <WiFiClientSecure.h>
+#elif defined(ESP31B)
+#include <ESP31BWiFi.h>
+#else
 #error "network type ESP8266 ASYNC only possible on the ESP mcu!"
 #endif
 
-#ifdef ESP8266
-#include <ESP8266WiFi.h>
-#else
-#include <ESP31BWiFi.h>
-#endif
 #include <ESPAsyncTCP.h>
 #include <ESPAsyncTCPbuffer.h>
 #define WEBSOCKETS_NETWORK_CLASS AsyncTCPbuffer
@@ -140,6 +155,13 @@
 #define WEBSOCKETS_NETWORK_CLASS UIPClient
 #define WEBSOCKETS_NETWORK_SERVER_CLASS UIPServer
 
+#elif (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
+
+#include <WiFi.h>
+#include <WiFiClientSecure.h>
+#define WEBSOCKETS_NETWORK_CLASS WiFiClient
+#define WEBSOCKETS_NETWORK_SERVER_CLASS WiFiServer
+
 #else
 #error "no network type selected!"
 #endif
@@ -204,7 +226,7 @@ typedef struct {
 
         bool isSocketIO;    ///< client for socket.io server
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
         bool isSSL;             ///< run in ssl mode
         WiFiClientSecure * ssl;
 #endif

src/WebSocketsClient.cpp

@@ -42,14 +42,14 @@ WebSocketsClient::~WebSocketsClient() {
 void WebSocketsClient::begin(const char *host, uint16_t port, const char * url, const char * protocol) {
     _host = host;
     _port = port;
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
     _fingerprint = "";
 #endif
 
     _client.num = 0;
     _client.status = WSC_NOT_CONNECTED;
     _client.tcp = NULL;
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
     _client.isSSL = false;
     _client.ssl = NULL;
 #endif
@@ -84,7 +84,7 @@ void WebSocketsClient::begin(String host, uint16_t port, String url, String prot
     begin(host.c_str(), port, url.c_str(), protocol.c_str());
 }
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
 void WebSocketsClient::beginSSL(const char *host, uint16_t port, const char * url, const char * fingerprint, const char * protocol) {
     begin(host, port, url, protocol);
     _client.isSSL = true;
@@ -105,7 +105,7 @@ void WebSocketsClient::beginSocketIO(String host, uint16_t port, String url, Str
     beginSocketIO(host.c_str(), port, url.c_str(), protocol.c_str());
 }
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
 void WebSocketsClient::beginSocketIOSSL(const char *host, uint16_t port, const char * url, const char * protocol) {
     begin(host, port, url, protocol);
     _client.isSocketIO = true;
@@ -129,7 +129,7 @@ void WebSocketsClient::loop(void) {
     		return;
     	}
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
         if(_client.isSSL) {
             DEBUG_WEBSOCKETS("[WS-Client] connect wss...\n");
             if(_client.ssl) {
@@ -341,7 +341,7 @@ void WebSocketsClient::clientDisconnect(WSclient_t * client) {
 
     bool event = false;
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
     if(client->isSSL && client->ssl) {
         if(client->ssl->connected()) {
             client->ssl->flush();
@@ -439,7 +439,7 @@ void WebSocketsClient::handleClientData(void) {
                 break;
         }
     }
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
     delay(0);
 #endif
 }

src/WebSocketsClient.h

@@ -42,7 +42,7 @@ class WebSocketsClient: private WebSockets {
         void begin(const char *host, uint16_t port, const char * url = "/", const char * protocol = "arduino");
         void begin(String host, uint16_t port, String url = "/", String protocol = "arduino");
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
         void beginSSL(const char *host, uint16_t port, const char * url = "/", const char * = "", const char * protocol = "arduino");
         void beginSSL(String host, uint16_t port, String url = "/", String fingerprint = "", String protocol = "arduino");
 #endif
@@ -50,7 +50,7 @@ class WebSocketsClient: private WebSockets {
         void beginSocketIO(const char *host, uint16_t port, const char * url = "/socket.io/?EIO=3", const char * protocol = "arduino");
         void beginSocketIO(String host, uint16_t port, String url = "/socket.io/?EIO=3", String protocol = "arduino");
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
         void beginSocketIOSSL(const char *host, uint16_t port, const char * url = "/socket.io/?EIO=3", const char * protocol = "arduino");
         void beginSocketIOSSL(String host, uint16_t port, String url = "/socket.io/?EIO=3", String protocol = "arduino");
 #endif
@@ -89,7 +89,7 @@ class WebSocketsClient: private WebSockets {
         String _host;
         uint16_t _port;
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
         String _fingerprint;
 #endif
         WSclient_t _client;

src/WebSocketsServer.cpp

@@ -54,6 +54,8 @@ WebSocketsServer::~WebSocketsServer() {
 
 #if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
     _server->close();
+#elif (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
+    _server->end();
 #else
     // TODO how to close server?
 #endif
@@ -77,7 +79,7 @@ void WebSocketsServer::begin(void) {
         client->num = i;
         client->status = WSC_NOT_CONNECTED;
         client->tcp = NULL;
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
         client->isSSL = false;
         client->ssl = NULL;
 #endif
@@ -100,6 +102,9 @@ void WebSocketsServer::begin(void) {
 
 #ifdef ESP8266
     randomSeed(RANDOM_REG32);
+#elif defined(ESP32)
+    #define DR_REG_RNG_BASE 0x3ff75144
+    randomSeed(READ_PERI_REG(DR_REG_RNG_BASE));
 #else
     // TODO find better seed
     randomSeed(millis());
@@ -388,7 +393,7 @@ void WebSocketsServer::setAuthorization(const char * auth) {
     }
 }
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266_ASYNC)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266_ASYNC) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
 /**
  * get an IP for a client
  * @param num uint8_t client id
@@ -425,7 +430,7 @@ bool WebSocketsServer::newClient(WEBSOCKETS_NETWORK_CLASS * TCPclient) {
 
             client->tcp = TCPclient;
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
             client->isSSL = false;
             client->tcp->setNoDelay(true);
 #endif
@@ -434,7 +439,7 @@ bool WebSocketsServer::newClient(WEBSOCKETS_NETWORK_CLASS * TCPclient) {
             client->tcp->setTimeout(WEBSOCKETS_TCP_TIMEOUT);
 #endif
             client->status = WSC_HEADER;
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266_ASYNC)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266_ASYNC) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
             IPAddress ip = client->tcp->remoteIP();
             DEBUG_WEBSOCKETS("[WS-Server][%d] new client from %d.%d.%d.%d\n", client->num, ip[0], ip[1], ip[2], ip[3]);
 #else
@@ -498,7 +503,7 @@ void WebSocketsServer::messageReceived(WSclient_t * client, WSopcode_t opcode, u
 void WebSocketsServer::clientDisconnect(WSclient_t * client) {
 
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
     if(client->isSSL && client->ssl) {
         if(client->ssl->connected()) {
             client->ssl->flush();
@@ -584,12 +589,12 @@ bool WebSocketsServer::clientIsConnected(WSclient_t * client) {
  */
 void WebSocketsServer::handleNewClients(void) {
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
     while(_server->hasClient()) {
 #endif
         bool ok = false;
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
         // store new connection
         WEBSOCKETS_NETWORK_CLASS * tcpClient = new WEBSOCKETS_NETWORK_CLASS(_server->available());
 #else
@@ -605,7 +610,7 @@ void WebSocketsServer::handleNewClients(void) {
 
         if(!ok) {
             // no free space to handle client
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
             IPAddress ip = tcpClient->remoteIP();
             DEBUG_WEBSOCKETS("[WS-Server] no free space new client from %d.%d.%d.%d\n", ip[0], ip[1], ip[2], ip[3]);
 #else
@@ -614,7 +619,7 @@ void WebSocketsServer::handleNewClients(void) {
             tcpClient->stop();
         }
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
         delay(0);
     }
 #endif

src/WebSocketsServer.h

@@ -92,7 +92,7 @@ public:
         void setAuthorization(const char * user, const char * password);
         void setAuthorization(const char * auth);
 
-#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266_ASYNC)
+#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266_ASYNC) || (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
         IPAddress remoteIP(uint8_t num);
 #endif
 

src/libb64/cdecode.c

@@ -9,6 +9,10 @@ For details, see http://sourceforge.net/projects/libb64
 #include <core_esp8266_features.h>
 #endif
 
+#if defined(ESP32)
+#define CORE_HAS_LIBB64
+#endif
+
 #ifndef CORE_HAS_LIBB64
 #include "cdecode_inc.h"
 
@@ -32,9 +36,9 @@ int base64_decode_block(const char* code_in, const int length_in, char* plaintex
 	const char* codechar = code_in;
 	char* plainchar = plaintext_out;
 	char fragment;
-	
+
 	*plainchar = state_in->plainchar;
-	
+
 	switch (state_in->step)
 	{
 		while (1)

src/libb64/cencode.c

@@ -9,6 +9,10 @@ For details, see http://sourceforge.net/projects/libb64
 #include <core_esp8266_features.h>
 #endif
 
+#if defined(ESP32)
+#define CORE_HAS_LIBB64
+#endif
+
 #ifndef CORE_HAS_LIBB64
 #include "cencode_inc.h"
 
@@ -35,9 +39,9 @@ int base64_encode_block(const char* plaintext_in, int length_in, char* code_out,
 	char* codechar = code_out;
 	char result;
 	char fragment;
-	
+
 	result = state_in->result;
-	
+
 	switch (state_in->step)
 	{
 		while (1)
@@ -76,7 +80,7 @@ int base64_encode_block(const char* plaintext_in, int length_in, char* code_out,
 			*codechar++ = base64_encode_value(result);
 			result  = (fragment & 0x03f) >> 0;
 			*codechar++ = base64_encode_value(result);
-			
+
 			++(state_in->stepcount);
 			if (state_in->stepcount == CHARS_PER_LINE/4)
 			{
@@ -92,7 +96,7 @@ int base64_encode_block(const char* plaintext_in, int length_in, char* code_out,
 int base64_encode_blockend(char* code_out, base64_encodestate* state_in)
 {
 	char* codechar = code_out;
-	
+
 	switch (state_in->step)
 	{
 	case step_B:
@@ -108,7 +112,7 @@ int base64_encode_blockend(char* code_out, base64_encodestate* state_in)
 		break;
 	}
 	*codechar++ = 0x00;
-	
+
 	return codechar - code_out;
 }
 

src/libsha1/libsha1.c

@@ -18,7 +18,7 @@ A million repetitions of "a"
 /* #define LITTLE_ENDIAN * This should be #define'd already, if true. */
 /* #define SHA1HANDSOFF * Copies data before messing with it. */
 
-#ifndef ESP8266
+#if !defined(ESP8266) && !defined(ESP32)
 
 #define SHA1HANDSOFF
 

src/libsha1/libsha1.h

@@ -5,7 +5,7 @@ By Steve Reid <steve@edmweb.com>
 100% Public Domain
 */
 
-#ifndef ESP8266
+#if !defined(ESP8266) && !defined(ESP32)
 
 typedef struct {
     uint32_t state[5];
@@ -18,4 +18,4 @@ void SHA1Init(SHA1_CTX* context);
 void SHA1Update(SHA1_CTX* context, const unsigned char* data, uint32_t len);
 void SHA1Final(unsigned char digest[20], SHA1_CTX* context);
 
-#endif
+#endif

travis/common.sh

@@ -16,9 +16,38 @@ function build_sketches()
         $arduino --verify $sketch;
         local result=$?
         if [ $result -ne 0 ]; then
-            echo "Build failed ($1)"
+            echo "Build failed ($sketch) build verbose..."
+            $arduino --verify --verbose --preserve-temp-files $sketch
+            result=$?
+        fi
+        if [ $result -ne 0 ]; then
+            echo "Build failed ($1) $sketch"
             return $result
         fi
     done
 }
 
+
+function get_core()
+{
+    echo Setup core for $1
+
+    cd $HOME/arduino_ide/hardware
+
+    if [ "$1" = "esp8266" ] ; then
+        mkdir esp8266com
+        cd esp8266com
+        git clone https://github.com/esp8266/Arduino.git esp8266
+        cd esp8266/tools
+        python get.py
+    fi
+
+    if [ "$1" = "esp32" ] ; then
+        mkdir espressif
+        cd espressif
+        git clone https://github.com/espressif/arduino-esp32.git esp32
+        cd esp32/tools
+        python get.py
+    fi
+
+}