From 36672200b59883cb2dd92b8c05f5a2fdd811f6b1 Mon Sep 17 00:00:00 2001
From: Karai Csaba <cskarai@freemail.hu>
Date: Sat, 21 May 2016 07:22:54 +0200
Subject: [PATCH] Simple LED control sample

---
 .../EspLinkWebSimpleLedControl.ino            | 49 +++++++++++++++++++
 .../EspLinkWebSimpleLedControl/SimpleLED.html |  7 +++
 2 files changed, 56 insertions(+)
 create mode 100644 examples/arduino/libraries/EspLink/examples/EspLinkWebSimpleLedControl/EspLinkWebSimpleLedControl.ino
 create mode 100644 examples/arduino/libraries/EspLink/examples/EspLinkWebSimpleLedControl/SimpleLED.html

diff --git a/examples/arduino/libraries/EspLink/examples/EspLinkWebSimpleLedControl/EspLinkWebSimpleLedControl.ino b/examples/arduino/libraries/EspLink/examples/EspLinkWebSimpleLedControl/EspLinkWebSimpleLedControl.ino
new file mode 100644
index 0000000..516a2ae
--- /dev/null
+++ b/examples/arduino/libraries/EspLink/examples/EspLinkWebSimpleLedControl/EspLinkWebSimpleLedControl.ino
@@ -0,0 +1,49 @@
+#include "EspLink.h"
+#include "WebServer.h"
+
+#define LED_PIN 13
+
+void simpleLedHtmlCallback(WebServerCommand command, char * data, int dataLen);
+const char simpleLedURL[] PROGMEM = "/SimpleLED.html.json";
+
+const WebMethod PROGMEM methods[] = {
+  { simpleLedURL, simpleLedHtmlCallback },
+  { NULL, NULL },
+};
+
+WebServer webServer(Serial, methods);
+
+void simpleLedHtmlCallback(WebServerCommand command, char * data, int dataLen)
+{
+  switch(command)
+  {
+    case BUTTON_PRESS:
+      if( strcmp_P(data, PSTR("btn_on") ) == 0 )
+        digitalWrite(LED_PIN, true);
+      else if( strcmp_P(data, PSTR("btn_off") ) == 0 )
+        digitalWrite(LED_PIN, false);
+      break;
+    case SET_FIELD:
+      // no fields to set
+      break;
+    case LOAD:
+    case REFRESH:
+      if( digitalRead(LED_PIN) )
+        webServer.setArgString("text", "LED is on");
+      else
+        webServer.setArgString("text", "LED is off");
+      break;
+  }
+}
+
+void setup()
+{
+  Serial.begin(57600);
+  webServer.init();
+}
+
+void loop()
+{
+  webServer.loop();
+}
+
diff --git a/examples/arduino/libraries/EspLink/examples/EspLinkWebSimpleLedControl/SimpleLED.html b/examples/arduino/libraries/EspLink/examples/EspLinkWebSimpleLedControl/SimpleLED.html
new file mode 100644
index 0000000..27dc359
--- /dev/null
+++ b/examples/arduino/libraries/EspLink/examples/EspLinkWebSimpleLedControl/SimpleLED.html
@@ -0,0 +1,7 @@
+  <!-- EspLink will add header here -->
+  
+  <h1 class="header">Simple LED control</h1>
+  <h2><div id="text"/></h2>
+  <button id="btn_on" type="button">Turn on</button>
+  <button id="btn_off" type="button">Turn off</button>
+</body></html>