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Add the formula used to obtain the bootloader start address to the Bootloader makefiles to help users compute the correct address for each device based on the bootloader section size.

This commit is contained in:
Dean Camera 2010-07-30 05:13:05 +00:00
parent 37c601dbf6
commit fd9b34aac4
2 changed files with 10 additions and 6 deletions
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8
Bootloaders/CDC/makefile
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@ -85,9 +85,11 @@ F_CPU = 8000000
F_CLOCK = $(F_CPU)
# Starting byte address of the bootloader, as a byte address. Note that the address given
# in the AVRStudio fuse programming dialogue uses word addresses, which will have to be
# doubled to obtain the starting byte address of the bootloader section.
# Starting byte address of the bootloader, as a byte address - computed via the formula
# BOOT_START = ((TOTAL_FLASH_BYTES - BOOTLOADER_SECTION_SIZE_BYTES) * 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.
BOOT_START = 0x1E000

8
Bootloaders/DFU/makefile
View File

@ -85,9 +85,11 @@ F_CPU = 8000000
F_CLOCK = $(F_CPU)
# Starting byte address of the bootloader, as a byte address. Note that the address given
# in the AVRStudio fuse programming dialogue uses word addresses, which will have to be
# doubled to obtain the starting byte address of the bootloader section.
# Starting byte address of the bootloader, as a byte address - computed via the formula
# BOOT_START = ((TOTAL_FLASH_BYTES - BOOTLOADER_SECTION_SIZE_BYTES) * 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.
BOOT_START = 0x1E000