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[pub/USBasp.git] / Bootloaders / HID / BootloaderHID.h

diff --git a/Bootloaders/HID/BootloaderHID.h b/Bootloaders/HID/BootloaderHID.h
index 306f3ef..ff31157 100644 (file)
--- a/Bootloaders/HID/BootloaderHID.h
+++ b/Bootloaders/HID/BootloaderHID.h
@@ -48,18 +48,23 @@
 
                #include <LUFA/Drivers/USB/USB.h>
 
+       /* Preprocessor Checks: */
+               #if !defined(__OPTIMIZE_SIZE__)
+                       #error This bootloader requires that it be optimize for size, not speed, to fit into the target device. Change optimization settings and try again.
+               #endif
+
        /* Macros: */
                /** Bootloader special address to start the user application */
                #define COMMAND_STARTAPPLICATION   0xFFFF
 
                /** Magic bootloader key to unlock forced application start mode. */
                #define MAGIC_BOOT_KEY             0xDC42
-               
+
        /* Function Prototypes: */
                static void SetupHardware(void);
 
                void Application_Jump_Check(void) ATTR_INIT_SECTION(3);
-               
+
                void EVENT_USB_Device_ConfigurationChanged(void);
                void EVENT_USB_Device_UnhandledControlRequest(void);