+ #if defined(__AVR_AT90USB1286__)\r
+ #define AVR_SIGNATURE_1 0x1E\r
+ #define AVR_SIGNATURE_2 0x97\r
+ #define AVR_SIGNATURE_3 0x82\r
+ #elif defined(__AVR_AT90USB1287__)\r
+ #define AVR_SIGNATURE_1 0x1E\r
+ #define AVR_SIGNATURE_2 0x97\r
+ #define AVR_SIGNATURE_3 0x82\r
+ #elif defined(__AVR_AT90USB646__)\r
+ #define AVR_SIGNATURE_1 0x1E\r
+ #define AVR_SIGNATURE_2 0x96\r
+ #define AVR_SIGNATURE_3 0x82\r
+ #elif defined(__AVR_AT90USB647__)\r
+ #define AVR_SIGNATURE_1 0x1E\r
+ #define AVR_SIGNATURE_2 0x96\r
+ #define AVR_SIGNATURE_3 0x82\r
+ #elif defined(__AVR_AT90USB162__)\r
+ #define AVR_SIGNATURE_1 0x1E\r
+ #define AVR_SIGNATURE_2 0x94\r
+ #define AVR_SIGNATURE_3 0x82\r
+ #elif defined(__AVR_AT90USB82__)\r
+ #define AVR_SIGNATURE_1 0x1E\r
+ #define AVR_SIGNATURE_2 0x94\r
+ #define AVR_SIGNATURE_3 0x82\r
+ #elif defined(__AVR_ATmega32U6__)\r
+ #define AVR_SIGNATURE_1 0x1E\r
+ #define AVR_SIGNATURE_2 0x95\r
+ #define AVR_SIGNATURE_3 0x88\r
+ #elif defined(__AVR_ATmega32U4__)\r
+ #define AVR_SIGNATURE_1 0x1E\r
+ #define AVR_SIGNATURE_2 0x95\r
+ #define AVR_SIGNATURE_3 0x87\r
+ #elif defined(__AVR_ATmega16U4__)\r
+ #define AVR_SIGNATURE_1 0x1E\r
+ #define AVR_SIGNATURE_2 0x94\r
+ #define AVR_SIGNATURE_3 0x88\r
+ #else\r
+ #error The selected AVR part is not currently supported by this bootloader.\r
+ #endif\r
+\r