Reduce bootloader magic key to 16 bits to save FLASH space.

Bootloaders/CDC/BootloaderCDC.c

@@ -61,7 +61,7 @@ static bool RunBootloader = true;
  *  low when the application attempts to start via a watchdog reset, the bootloader will re-start. If set to the value
  *  \ref MAGIC_BOOT_KEY the special init function \ref Application_Jump_Check() will force the application to start.
  */
-uint32_t MagicBootKey ATTR_NO_INIT;
+uint16_t MagicBootKey ATTR_NO_INIT;
 
 
 /** Special startup routine to check if the bootloader was started via a watchdog reset, and if the magic application

Bootloaders/CDC/BootloaderCDC.h

@@ -69,7 +69,7 @@
 		#define SOFTWARE_IDENTIFIER          "LUFACDC"
 
 		/** Magic bootloader key to unlock forced application start mode. */
-		#define MAGIC_BOOT_KEY            0xDC42CACA
+		#define MAGIC_BOOT_KEY               0xDC42
 		
 	/* Type Defines: */
 		/** Type define for a non-returning pointer to the start of the loaded application in flash memory. */

Bootloaders/DFU/BootloaderDFU.c

@@ -97,7 +97,7 @@ static uint16_t EndAddr = 0x0000;
  *  low when the application attempts to start via a watchdog reset, the bootloader will re-start. If set to the value
  *  \ref MAGIC_BOOT_KEY the special init function \ref Application_Jump_Check() will force the application to start.
  */
-uint32_t MagicBootKey ATTR_NO_INIT;
+uint16_t MagicBootKey ATTR_NO_INIT;
 
 
 /** Special startup routine to check if the bootloader was started via a watchdog reset, and if the magic application

Bootloaders/DFU/BootloaderDFU.h

@@ -62,7 +62,7 @@
 		#define BOOTLOADER_VERSION_REV   0
 		
 		/** Magic bootloader key to unlock forced application start mode. */
-		#define MAGIC_BOOT_KEY            0xDC42CACA
+		#define MAGIC_BOOT_KEY            0xDC42
 
 		/** Complete bootloader version number expressed as a packed byte, constructed from the
 		 *  two individual bootloader version macros.

Bootloaders/HID/BootloaderHID.c

@@ -46,7 +46,7 @@ static bool RunBootloader = true;
  *  low when the application attempts to start via a watchdog reset, the bootloader will re-start. If set to the value
  *  \ref MAGIC_BOOT_KEY the special init function \ref Application_Jump_Check() will force the application to start.
  */
-uint32_t MagicBootKey ATTR_NO_INIT;
+uint16_t MagicBootKey ATTR_NO_INIT;
 
 
 /** Special startup routine to check if the bootloader was started via a watchdog reset, and if the magic application

Bootloaders/HID/BootloaderHID.h

@@ -53,7 +53,7 @@
 		#define COMMAND_STARTAPPLICATION   0xFFFF
 
 		/** Magic bootloader key to unlock forced application start mode. */
-		#define MAGIC_BOOT_KEY            0xDC42CACA
+		#define MAGIC_BOOT_KEY             0xDC42
 		
 	/* Function Prototypes: */
 		static void SetupHardware(void);