From 98a6b77afdf53fa9558b8babb52ce6ff96928a3f Mon Sep 17 00:00:00 2001
From: Nis Wechselberg <enbewe@enbewe.de>
Date: Sat, 2 Jul 2016 18:15:30 +0200
Subject: [PATCH] Added BenQ projector serial wiffi dongle code

---
 WiFi-Serial-Bridge/.gitignore                 |   1 +
 .../WiFi-Serial-Bridge.h.template             |   3 +
 WiFi-Serial-Bridge/WiFi-Serial-Bridge.ino     | 114 ++++++++++++++++++
 3 files changed, 118 insertions(+)
 create mode 100644 WiFi-Serial-Bridge/.gitignore
 create mode 100644 WiFi-Serial-Bridge/WiFi-Serial-Bridge.h.template
 create mode 100644 WiFi-Serial-Bridge/WiFi-Serial-Bridge.ino

diff --git a/WiFi-Serial-Bridge/.gitignore b/WiFi-Serial-Bridge/.gitignore
new file mode 100644
index 0000000..3df8c8e
--- /dev/null
+++ b/WiFi-Serial-Bridge/.gitignore
@@ -0,0 +1 @@
+WiFi-Serial-Bridge.h
diff --git a/WiFi-Serial-Bridge/WiFi-Serial-Bridge.h.template b/WiFi-Serial-Bridge/WiFi-Serial-Bridge.h.template
new file mode 100644
index 0000000..f279001
--- /dev/null
+++ b/WiFi-Serial-Bridge/WiFi-Serial-Bridge.h.template
@@ -0,0 +1,3 @@
+// WiFi configuration
+const char* ssid = "http://kiel.freifunk.net/";
+const char* password = "";
diff --git a/WiFi-Serial-Bridge/WiFi-Serial-Bridge.ino b/WiFi-Serial-Bridge/WiFi-Serial-Bridge.ino
new file mode 100644
index 0000000..b081379
--- /dev/null
+++ b/WiFi-Serial-Bridge/WiFi-Serial-Bridge.ino
@@ -0,0 +1,114 @@
+/********************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Nis Wechselberg
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ ********************************************************************************/
+
+#include <ESP8266WiFi.h>
+#include "WiFi-Serial-Bridge.h"
+
+#define DEBUGTOSERIAL 0
+
+
+// HTTP configuration
+const unsigned char port = 80;
+WiFiServer server(port);
+
+void setup() {
+  // Set wifi mode to client
+  WiFi.mode(WIFI_STA);
+  delay(5);
+
+  Serial.begin(115200);
+
+  // Connect to WiFi network
+  if (DEBUGTOSERIAL) {
+    Serial.print("Connecting to ");
+    Serial.println(ssid);
+  }
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    if (DEBUGTOSERIAL) {
+      Serial.print(".");
+    }
+  }
+  if (DEBUGTOSERIAL) {
+    Serial.println("");
+    Serial.println("WiFi connected");
+  }
+  
+  // Start the server
+  server.begin();
+  if (DEBUGTOSERIAL) {
+    Serial.print("Server started at IP address ");
+    // Print the IP address
+    Serial.println(WiFi.localIP());
+  }
+}
+
+void loop() {
+  // Check if a client has connected
+  WiFiClient client = server.available();
+  if (client) {
+    int timeout = 5;
+    // Wait until the client sends some data or timeout hits
+    if (DEBUGTOSERIAL) {
+      Serial.println("Client connected");
+    }
+    while(!client.available() && timeout > 0){
+      delay(1000);
+      timeout = timeout - 1;
+    }
+
+    if (timeout <= 0) {
+      client.stop();
+      client.flush();
+    } else {
+      // Read the first line of the request
+      String req = client.readStringUntil('\r');
+      if (DEBUGTOSERIAL) {
+        Serial.println(req);
+      }
+      client.flush();
+
+      String data = "\r";
+      data += req;
+      data += "\r";
+      Serial.print(data);
+      delay(500);
+
+      String response = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
+      while (Serial.available() > 0) {
+        char inc[2];
+        inc[0] = Serial.read();
+        inc[1] = '\0';
+        response += inc;
+      }
+      
+      client.print(response);
+      delay(10);
+      client.flush();
+    }
+  }  
+}
+
+