diff options
Diffstat (limited to 'Bootloaders/CDC/makefile')
| -rw-r--r-- | Bootloaders/CDC/makefile | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/Bootloaders/CDC/makefile b/Bootloaders/CDC/makefile index 877edc5dd..68bf4c63f 100644 --- a/Bootloaders/CDC/makefile +++ b/Bootloaders/CDC/makefile @@ -9,17 +9,14 @@ # LUFA Project Makefile. # -------------------------------------- -# Starting byte address of the bootloader, as a byte address - computed via the formula -# BOOT_START = ((FLASH_SIZE_KB - BOOT_SECTION_SIZE_KB) * 1024) -# -# 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 and bootloader section sizes of the target, in KB. These must +# match the target's total FLASH size and the bootloader size set in the +# device's fuses. FLASH_SIZE_KB := 128 BOOT_SECTION_SIZE_KB := 8 -# 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. +# Bootloader address calculations (requires the "bc" unix utility) - do +# not modify these calculations, but rather modify the depedant values above. 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) |