Cut the timers back to 8 bits, that's more than enough

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

src/Akela/GhostInTheFirmware.cpp

@@ -22,8 +22,8 @@ namespace Akela {
   GhostInTheFirmware::GhostKey *GhostInTheFirmware::ghostKeys;
   bool GhostInTheFirmware::isActive;
   uint16_t GhostInTheFirmware::currentPos;
-  uint16_t GhostInTheFirmware::timer;
-  uint16_t GhostInTheFirmware::timeOut;
+  uint8_t GhostInTheFirmware::timer;
+  uint8_t GhostInTheFirmware::timeOut;
 
   GhostInTheFirmware::GhostInTheFirmware (void) {
   }
@@ -49,7 +49,7 @@ namespace Akela {
       return;
 
     if (timeOut == 0) {
-      timeOut = pgm_read_word (&(ghostKeys[currentPos].delay));
+      timeOut = pgm_read_byte (&(ghostKeys[currentPos].delay));
 
       if (timeOut == 0) {
         currentPos = 0;

src/Akela/GhostInTheFirmware.h

@@ -26,7 +26,7 @@ namespace Akela {
     typedef struct {
       byte row;
       byte col;
-      uint16_t delay;
+      uint8_t delay;
     } GhostKey;
 
     GhostInTheFirmware (void);
@@ -39,8 +39,8 @@ namespace Akela {
     static GhostKey *ghostKeys;
     static bool isActive;
     static uint16_t currentPos;
-    static uint16_t timer;
-    static uint16_t timeOut;
+    static uint8_t timer;
+    static uint8_t timeOut;
 
     static void loopHook (bool postClear);
   };