10 files changed, 45 insertions, 28 deletions
diff --git a/Bootloaders/DFU/BootloaderAPI.c b/Bootloaders/DFU/BootloaderAPI.c
index 326adb4d..f161bad9 100644
--- a/Bootloaders/DFU/BootloaderAPI.c
+++ b/Bootloaders/DFU/BootloaderAPI.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
diff --git a/Bootloaders/DFU/BootloaderAPI.h b/Bootloaders/DFU/BootloaderAPI.h
index 9d652c84..bd721842 100644
--- a/Bootloaders/DFU/BootloaderAPI.h
+++ b/Bootloaders/DFU/BootloaderAPI.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
diff --git a/Bootloaders/DFU/BootloaderAPITable.S b/Bootloaders/DFU/BootloaderAPITable.S
index 7f015f20..b1d1b057 100644
--- a/Bootloaders/DFU/BootloaderAPITable.S
+++ b/Bootloaders/DFU/BootloaderAPITable.S
@@ -32,12 +32,17 @@
 .section .apitable, "ax"
 .org 0
 
+; API function jump table
 .global BootloaderAPI_JumpTable
 BootloaderAPI_JumpTable:
-	jmp BootloaderAPI_ErasePage
-	jmp BootloaderAPI_WritePage
-	jmp BootloaderAPI_FillWord
-	jmp BootloaderAPI_ReadSignature
-	jmp BootloaderAPI_ReadFuse
-	jmp BootloaderAPI_ReadLock
-	jmp BootloaderAPI_WriteLock
+	rjmp BootloaderAPI_ErasePage
+	rjmp BootloaderAPI_WritePage
+	rjmp BootloaderAPI_FillWord
+	rjmp BootloaderAPI_ReadSignature
+	rjmp BootloaderAPI_ReadFuse
+	rjmp BootloaderAPI_ReadLock
+	rjmp BootloaderAPI_WriteLock
+
+; Bootloader table signature
+.org 30
+	.word 0xDCFB
diff --git a/Bootloaders/DFU/BootloaderDFU.aps b/Bootloaders/DFU/BootloaderDFU.aps
index 3e8bdd7c..b5842905 100644
--- a/Bootloaders/DFU/BootloaderDFU.aps
+++ b/Bootloaders/DFU/BootloaderDFU.aps
@@ -1 +1 @@
-<AVRStudio><MANAGEMENT><ProjectName>BootloaderDFU</ProjectName><Created>13-Jul-2010 14:42:28</Created><LastEdit>13-Jul-2010 14:46:54</LastEdit><ICON>241</ICON><ProjectType>0</ProjectType><Created>13-Jul-2010 14:42:28</Created><Version>4</Version><Build>4, 18, 0, 685</Build><ProjectTypeName>AVR GCC</ProjectTypeName></MANAGEMENT><CODE_CREATION><ObjectFile>BootloaderDFU.elf</ObjectFile><EntryFile></EntryFile><SaveFolder>C:\Users\Dean\Documents\Electronics\Projects\WORK\LUFAWORK\Bootloaders\DFU\</SaveFolder></CODE_CREATION><DEBUG_TARGET><CURRENT_TARGET></CURRENT_TARGET><CURRENT_PART></CURRENT_PART><BREAKPOINTS></BREAKPOINTS><IO_EXPAND><HIDE>false</HIDE></IO_EXPAND><REGISTERNAMES><Register>R00</Register><Register>R01</Register><Register>R02</Register><Register>R03</Register><Register>R04</Register><Register>R05</Register><Register>R06</Register><Register>R07</Register><Register>R08</Register><Register>R09</Register><Register>R10</Register><Register>R11</Register><Register>R12</Register><Register>R13</Register><Register>R14</Register><Register>R15</Register><Register>R16</Register><Register>R17</Register><Register>R18</Register><Register>R19</Register><Register>R20</Register><Register>R21</Register><Register>R22</Register><Register>R23</Register><Register>R24</Register><Register>R25</Register><Register>R26</Register><Register>R27</Register><Register>R28</Register><Register>R29</Register><Register>R30</Register><Register>R31</Register></REGISTERNAMES><COM></COM><COMType>0</COMType><WATCHNUM>0</WATCHNUM><WATCHNAMES><Pane0></Pane0><Pane1></Pane1><Pane2></Pane2><Pane3></Pane3></WATCHNAMES><BreakOnTrcaeFull>0</BreakOnTrcaeFull></DEBUG_TARGET><Debugger><Triggers></Triggers></Debugger><AVRGCCPLUGIN><FILES><SOURCEFILE>BootloaderDFU.c</SOURCEFILE><SOURCEFILE>Descriptors.c</SOURCEFILE><HEADERFILE>BootloaderDFU.h</HEADERFILE><HEADERFILE>Descriptors.h</HEADERFILE><OTHERFILE>makefile</OTHERFILE></FILES><CONFIGS><CONFIG><NAME>default</NAME><USESEXTERNALMAKEFILE>YES</USESEXTERNALMAKEFILE><EXTERNALMAKEFILE>makefile</EXTERNALMAKEFILE><PART>atmega128</PART><HEX>1</HEX><LIST>1</LIST><MAP>1</MAP><OUTPUTFILENAME>BootloaderDFU.elf</OUTPUTFILENAME><OUTPUTDIR>default\</OUTPUTDIR><ISDIRTY>1</ISDIRTY><OPTIONS/><INCDIRS/><LIBDIRS/><LIBS/><LINKOBJECTS/><OPTIONSFORALL>-Wall -gdwarf-2 -std=gnu99 -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums</OPTIONSFORALL><LINKEROPTIONS></LINKEROPTIONS><SEGMENTS/></CONFIG></CONFIGS><LASTCONFIG>default</LASTCONFIG><USES_WINAVR>1</USES_WINAVR><GCC_LOC>C:\WinAVR-20100110\bin\avr-gcc.exe</GCC_LOC><MAKE_LOC>C:\WinAVR-20100110\utils\bin\make.exe</MAKE_LOC></AVRGCCPLUGIN><IOView><usergroups/><sort sorted="0" column="0" ordername="0" orderaddress="0" ordergroup="0"/></IOView><Files></Files><Events><Bookmarks></Bookmarks></Events><Trace><Filters></Filters></Trace></AVRStudio>
+<AVRStudio><MANAGEMENT><ProjectName>BootloaderDFU</ProjectName><Created>13-Jul-2010 14:42:28</Created><LastEdit>13-Jul-2010 14:46:54</LastEdit><ICON>241</ICON><ProjectType>0</ProjectType><Created>13-Jul-2010 14:42:28</Created><Version>4</Version><Build>4, 18, 0, 685</Build><ProjectTypeName>AVR GCC</ProjectTypeName></MANAGEMENT><CODE_CREATION><ObjectFile>BootloaderDFU.elf</ObjectFile><EntryFile></EntryFile><SaveFolder>C:\Users\Dean\Documents\Electronics\Projects\WORK\LUFAWORK\Bootloaders\DFU\</SaveFolder></CODE_CREATION><DEBUG_TARGET><CURRENT_TARGET></CURRENT_TARGET><CURRENT_PART></CURRENT_PART><BREAKPOINTS></BREAKPOINTS><IO_EXPAND><HIDE>false</HIDE></IO_EXPAND><REGISTERNAMES><Register>R00</Register><Register>R01</Register><Register>R02</Register><Register>R03</Register><Register>R04</Register><Register>R05</Register><Register>R06</Register><Register>R07</Register><Register>R08</Register><Register>R09</Register><Register>R10</Register><Register>R11</Register><Register>R12</Register><Register>R13</Register><Register>R14</Register><Register>R15</Register><Register>R16</Register><Register>R17</Register><Register>R18</Register><Register>R19</Register><Register>R20</Register><Register>R21</Register><Register>R22</Register><Register>R23</Register><Register>R24</Register><Register>R25</Register><Register>R26</Register><Register>R27</Register><Register>R28</Register><Register>R29</Register><Register>R30</Register><Register>R31</Register></REGISTERNAMES><COM></COM><COMType>0</COMType><WATCHNUM>0</WATCHNUM><WATCHNAMES><Pane0></Pane0><Pane1></Pane1><Pane2></Pane2><Pane3></Pane3></WATCHNAMES><BreakOnTrcaeFull>0</BreakOnTrcaeFull></DEBUG_TARGET><Debugger><Triggers></Triggers></Debugger><AVRGCCPLUGIN><FILES><SOURCEFILE>BootloaderAPITable.S</SOURCEFILE><SOURCEFILE>BootloaderDFU.c</SOURCEFILE><SOURCEFILE>Descriptors.c</SOURCEFILE><HEADERFILE>BootloaderDFU.h</HEADERFILE><HEADERFILE>Descriptors.h</HEADERFILE><OTHERFILE>makefile</OTHERFILE></FILES><CONFIGS><CONFIG><NAME>default</NAME><USESEXTERNALMAKEFILE>YES</USESEXTERNALMAKEFILE><EXTERNALMAKEFILE>makefile</EXTERNALMAKEFILE><PART>atmega128</PART><HEX>1</HEX><LIST>1</LIST><MAP>1</MAP><OUTPUTFILENAME>BootloaderDFU.elf</OUTPUTFILENAME><OUTPUTDIR>default\</OUTPUTDIR><ISDIRTY>1</ISDIRTY><OPTIONS/><INCDIRS/><LIBDIRS/><LIBS/><LINKOBJECTS/><OPTIONSFORALL>-Wall -gdwarf-2 -std=gnu99 -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums</OPTIONSFORALL><LINKEROPTIONS></LINKEROPTIONS><SEGMENTS/></CONFIG></CONFIGS><LASTCONFIG>default</LASTCONFIG><USES_WINAVR>1</USES_WINAVR><GCC_LOC>C:\WinAVR-20100110\bin\avr-gcc.exe</GCC_LOC><MAKE_LOC>C:\WinAVR-20100110\utils\bin\make.exe</MAKE_LOC></AVRGCCPLUGIN><IOView><usergroups/><sort sorted="0" column="0" ordername="0" orderaddress="0" ordergroup="0"/></IOView><Files></Files><Events><Bookmarks></Bookmarks></Events><Trace><Filters></Filters></Trace></AVRStudio>
diff --git a/Bootloaders/DFU/BootloaderDFU.c b/Bootloaders/DFU/BootloaderDFU.c
index 09480192..3ce2a628 100644
--- a/Bootloaders/DFU/BootloaderDFU.c
+++ b/Bootloaders/DFU/BootloaderDFU.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -137,7 +137,7 @@ int main(void)
 }
 
 /** Configures all hardware required for the bootloader. */
-void SetupHardware(void)
+static void SetupHardware(void)
 {
 	/* Disable watchdog if enabled by bootloader/fuses */
 	MCUSR &= ~(1 << WDRF);
@@ -150,7 +150,7 @@ void SetupHardware(void)
 	MCUCR = (1 << IVCE);
 	MCUCR = (1 << IVSEL);
 
-	/* Initialize the USB subsystem */
+	/* Initialize the USB and other board hardware drivers */
 	USB_Init();
 	LEDs_Init();
 
@@ -160,10 +160,11 @@ void SetupHardware(void)
 }
 
 /** Resets all configured hardware required for the bootloader back to their original states. */
-void ResetHardware(void)
+static void ResetHardware(void)
 {
-	/* Shut down the USB subsystem */
+	/* Shut down the USB and other board hardware drivers */
 	USB_Disable();
+	LEDs_Disable();
 
 	/* Relocate the interrupt vector table back to the application section */
 	MCUCR = (1 << IVCE);
diff --git a/Bootloaders/DFU/BootloaderDFU.h b/Bootloaders/DFU/BootloaderDFU.h
index 0c34c2c8..a8077534 100644
--- a/Bootloaders/DFU/BootloaderDFU.h
+++ b/Bootloaders/DFU/BootloaderDFU.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -148,7 +148,7 @@
 		/** Type define for a structure containing a complete DFU command issued by the host. */
 		typedef struct
 		{
-			uint8_t  Command; /**< Single byte command to perform, one of the COMMAND_* macro values */
+			uint8_t  Command; /**< Single byte command to perform, one of the \c COMMAND_* macro values */
 			uint8_t  Data[5]; /**< Command parameters */
 			uint16_t DataSize; /**< Size of the command parameters */
 		} DFU_Command_t;
@@ -192,8 +192,8 @@
 		};
 
 	/* Function Prototypes: */
-		void SetupHardware(void);
-		void ResetHardware(void);
+		static void SetupHardware(void);
+		static void ResetHardware(void);
 
 		void EVENT_USB_Device_ControlRequest(void);
 
diff --git a/Bootloaders/DFU/BootloaderDFU.txt b/Bootloaders/DFU/BootloaderDFU.txt
index 94657f35..f7f5ee9a 100644
--- a/Bootloaders/DFU/BootloaderDFU.txt
+++ b/Bootloaders/DFU/BootloaderDFU.txt
@@ -108,8 +108,14 @@
  *  uint8_t (*BootloaderAPI_ReadFuse)(uint16_t Address)                = BOOTLOADER_API_START(4);
  *  uint8_t (*BootloaderAPI_ReadLock)(void)                            = BOOTLOADER_API_START(5);
  *  void    (*BootloaderAPI_WriteLock)(uint8_t LockBits)               = BOOTLOADER_API_START(6);
+ *
+ *  #define BOOTLOADER_SIG_START               (FLASHEND - 32)
+ *  #define BOOTLOADER_SIGNATURE               0xDCFB
  *  \endcode
  *
+ *  From the application the API support of the bootloader can be detected by reading the FLASH memory bytes located at address
+ *  \c BOOTLOADER_SIG_START and comparing them to the value \c BOOTLOADER_SIGNATURE.
+ *
  *  \section Sec_Options Project Options
  *
  *  The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
diff --git a/Bootloaders/DFU/Descriptors.c b/Bootloaders/DFU/Descriptors.c
index 44170e6c..d5515906 100644
--- a/Bootloaders/DFU/Descriptors.c
+++ b/Bootloaders/DFU/Descriptors.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -81,7 +81,7 @@ const USB_Descriptor_Configuration_t ConfigurationDescriptor =
 			.ConfigurationNumber    = 1,
 			.ConfigurationStrIndex  = NO_DESCRIPTOR,
 
-			.ConfigAttributes       = USB_CONFIG_ATTR_BUSPOWERED,
+			.ConfigAttributes       = USB_CONFIG_ATTR_RESERVED,
 
 			.MaxPowerConsumption    = USB_CONFIG_POWER_MA(100)
 		},
diff --git a/Bootloaders/DFU/Descriptors.h b/Bootloaders/DFU/Descriptors.h
index 42b4bb63..ce9cc937 100644
--- a/Bootloaders/DFU/Descriptors.h
+++ b/Bootloaders/DFU/Descriptors.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
diff --git a/Bootloaders/DFU/makefile b/Bootloaders/DFU/makefile
index 87cfd072..14cf3a46 100644
--- a/Bootloaders/DFU/makefile
+++ b/Bootloaders/DFU/makefile
@@ -96,6 +96,11 @@ F_USB = $(F_CPU)
 # bytes, and so will need to be doubled to obtain the byte address needed by AVR-GCC.
 FLASH_SIZE_KB        = 128
 BOOT_SECTION_SIZE_KB = 4
+
+
+# Formulas used to calculate the starting address of the Bootloader section, and the User Application
+# API jump table (for more information on the latter, see the bootloader documentation). These formulas
+# should not need to be altered - modify the FLASH_SIZE_KB and BOOT_SECTION_KB values above instead.
 BOOT_START           = 0x$(shell echo "obase=16; ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024" | bc)
 BOOT_API_TABLESTART  = 0x$(shell echo "obase=16; (($(FLASH_SIZE_KB) * 1024) - 32)" | bc)