add region switching via doubleclick

src/button.cpp

 #include <Arduino.h>
 #include <InterruptButton.h>
 #include "config.h"
+#include "main.h"
 #include "button.h"
 #include "utils.h"
 #include "led.h"
@@ -11,20 +12,38 @@ void handleShortButton()
 {
   if (!sendingEnabled)
   {
-    logLine("Starting to send.");
+    logLine("Starting to send. (Region: "+ String(region)+")");
     blink(1);
     digitalWrite(PIN_LED, HIGH);
   }
   else
   {
     logLine("Restarting sending.");
-    blink(2);
+    blink(1);
     digitalWrite(PIN_LED, HIGH);
     cancelSending = true;
   }
   sendingEnabled = true;
 }
 
+void handleDoubleButton() {
+  digitalWrite(PIN_LED, LOW);
+  delay(500);
+  if (region == EU) {
+    region = NA;
+    blink(2);
+  } else {
+    region = EU;
+    blink(1);
+  }
+  logLine("Switching Region to: " + String(region));
+  
+  if (sendingEnabled) {
+    digitalWrite(PIN_LED, HIGH);
+  }
+  cancelSending = true;
+}
+
 void handleLongButton()
 {
   if (sendingEnabled)
@@ -40,5 +59,7 @@ void setupButton()
 {
   button.bind(Event_KeyPress, &handleShortButton);
   button.bind(Event_LongKeyPress, &handleLongButton);
+  button.bind(Event_DoubleClick, &handleDoubleButton);
   button.setLongPressInterval(1000);
+  button.setDoubleClickInterval(500);
 }

src/button.h

 extern bool sendingEnabled;
 extern bool cancelSending;
+extern uint8_t region;
 
 void handleShortButton();
 void handleLongButton();

src/ir.cpp

@@ -19,9 +19,9 @@ extern void callHandlers();
 
 void xmitCodeElement(uint16_t ontime, uint16_t offtime, uint8_t PWM_code);
 
-uint8_t read_bits(uint8_t count);
 uint16_t rawData[300];
-
+uint16_t ontime, offtime;
+uint8_t i, num_codes;
 uint8_t bitsleft_r = 0;
 uint8_t bits_r = 0;
 uint8_t code_ptr;
@@ -53,10 +53,6 @@ uint8_t read_bits(uint8_t count)
     return tmp;
 }
 
-uint16_t ontime, offtime;
-uint8_t i, num_codes;
-uint8_t region;
-
 void delay_ten_us(uint16_t us)
 {
     uint8_t timer;
@@ -74,26 +70,33 @@ void delay_ten_us(uint16_t us)
     }
 }
 
-void sendAllCodes()
+void sendAllCodes(uint8_t region)
 {
 
-    region = EU;
+    if (region == EU)
+    {
         num_codes = num_EUcodes;
+    }
+    else
+    {
+        num_codes = num_NAcodes;
+    }
 
     // for every POWER code in our collection
     for (i = 0; i < num_codes; i++)
     {
 
+        // make sure all loop() handlers are still ran while sending
         callHandlers();
 
         // point to next POWER code, from the right database
-        if (region == NA)
+        if (region == EU)
         {
-            powerCode = NApowerCodes[i];
+            powerCode = EUpowerCodes[i];
         }
         else
         {
-            powerCode = EUpowerCodes[i];
+            powerCode = NApowerCodes[i];
         }
 
         // Read the carrier frequency from the first byte of code structure

src/ir.h

@@ -4,5 +4,5 @@
 
 uint8_t read_bits(uint8_t count);
 void delay_ten_us(uint16_t us);
-void sendAllCodes();
+void sendAllCodes(uint8_t region);
 void setupIR();

src/led.cpp

@@ -14,3 +14,8 @@ void blink(int count)
     delay(200);
   }
 }
+
+void setupLED() {
+  pinMode(PIN_LED, OUTPUT);
+  blink(1);
+}

src/led.h

 #include <Arduino.h>
 
 void blink(int count);
+void setupLED();

src/main.cpp

@@ -11,6 +11,7 @@
 
 bool sendingEnabled = false;
 bool cancelSending = false;
+uint8_t region = 0;
 
 void setup()
 {
@@ -19,13 +20,14 @@ void setup()
   setupWifi();
   setupOTA();
   setupTelnet();
+  setupLED();
   setupButton();
   setupIR();
 
   logLine("");
   logLine("Hool-B-Gone ready!");
   logLine("");
-  blink(1);
+  logLine("Region: " + String(region));
 }
 
 void callHandlers()
@@ -38,7 +40,7 @@ void loop()
 {
   if (sendingEnabled)
   {
-    sendAllCodes();
+    sendAllCodes(region);
   }
   else
   {

src/main.h

@@ -10,8 +10,8 @@ By Anton Grimpelhuber (anton.grimpelhuber@gmail.com)
 // NA is for North America, Asia, and the rest of the world not covered by EU
 
 // Two regions!
-#define NA 1 // set by a HIGH on REGIONSWITCH pin
-#define EU 0 // set by a LOW on REGIONSWITCH pin
+#define EU 0
+#define NA 1
 
 // Lets us calculate the size of the NA/EU databases
 #define NUM_ELEM(x) (sizeof(x) / sizeof(*(x)));