Clean up bootloader makefile comments.

Bootloaders/CDC/makefile

@@ -9,17 +9,14 @@
 #         LUFA Project Makefile.
 # --------------------------------------
 
-# Starting byte address of the bootloader, as a byte address - computed via the formula
+# Flash size and bootloader section sizes of the target, in KB. These must
-#   BOOT_START = ((FLASH_SIZE_KB - BOOT_SECTION_SIZE_KB) * 1024)
+# match the target's total FLASH size and the bootloader size set in the
-#
+# device's fuses.
-# Note that the bootloader size and start address given in AVRStudio is in words and not
-# 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 := 8
 
-# Formulas used to calculate the starting address of the Bootloader section, and the User Application
+# Bootloader address calculations (requires the "bc" unix utility) - do
-# API jump table (for more information on the latter, see the bootloader documentation). These formulas
+# not modify these calculations, but rather modify the depedant values above.
-# 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) - 96)" | bc)
 

Bootloaders/DFU/makefile

@@ -9,17 +9,15 @@
 #         LUFA Project Makefile.
 # --------------------------------------
 
-# Starting byte address of the bootloader, as a byte address - computed via the formula
+# Flash size and bootloader section sizes of the target, in KB. These must
-#   BOOT_START = ((FLASH_SIZE_KB - BOOT_SECTION_SIZE_KB) * 1024)
+# match the target's total FLASH size and the bootloader size set in the
-#
+# device's fuses.
-# Note that the bootloader size and start address given in AVRStudio is in words and not
-# 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 := 8
 
-# Formulas used to calculate the starting address of the Bootloader section, and the User Application
+# Bootloader address calculations (requires the "bc" unix utility) - do
-# API jump table (for more information on the latter, see the bootloader documentation). These formulas
+# not modify these calculations, but rather modify the depedant values above.
-# should not need to be altered - modify the FLASH_SIZE_KB and BOOT_SECTION_KB values above instead.
+CALC_ADDRESS_HEX      = $(shell echo "obase=16; $(1)" | bc)
 BOOT_START           := 0x$(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) - 96)" | bc)
 

Bootloaders/HID/makefile

@@ -9,19 +9,16 @@
 #         LUFA Project Makefile.
 # --------------------------------------
 
-# Starting byte address of the bootloader, as a byte address - computed via the formula
+# Flash size and bootloader section sizes of the target, in KB. These must
-#   BOOT_START = ((FLASH_SIZE_KB - BOOT_SECTION_SIZE_KB) * 1024)
+# match the target's total FLASH size and the bootloader size set in the
-#
+# device's fuses.
-# Note that the bootloader size and start address given in AVRStudio is in words and not
-# 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 := 8
 
-# Formulas used to calculate the starting address of the Bootloader section, and the User Application
+# Bootloader address calculations (requires the "bc" unix utility) - do
-# API jump table (for more information on the latter, see the bootloader documentation). These formulas
+# not modify these calculations, but rather modify the depedant values above.
-# 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) - 96)" | bc)
+
 
 MCU          = at90usb1287
 ARCH         = AVR8