Overclock CPU to 48 MHz to make DFU bootloader USB work after software jump.

config.mk

@@ -41,7 +41,7 @@ BUILD_DIR =
 
 # Microcontroller: atxmega128a1, atmega128, attiny261, etc.
 MCU = atxmega256a3u
-F_CPU = 32000000
+F_CPU = 48000000
 
 # Programming settings
 AVRDUDE_DEV = x256a3u

src/config/conf_clock.h

@@ -44,9 +44,9 @@
 #define CONF_CLOCK_H_INCLUDED
 
 #include "conf_board.h"
-
+//
 #if BOARD_VER_MAJOR >= 1 && BOARD_VER_MINOR >= 2 && BOARD_VER_MICRO >= 3
-    #define CONFIG_SYSCLK_SOURCE            SYSCLK_SRC_RC32MHZ
+    #define CONFIG_SYSCLK_SOURCE            SYSCLK_SRC_PLL
 
     #define CONFIG_SYSCLK_PSADIV            SYSCLK_PSADIV_1
     #define CONFIG_SYSCLK_PSBCDIV           SYSCLK_PSBCDIV_1_1