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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.

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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) F_CLOCK = $(F_CPU)
# Starting byte address of the bootloader, as a byte address. Note that the address given # Starting byte address of the bootloader, as a byte address - computed via the formula
# in the AVRStudio fuse programming dialogue uses word addresses, which will have to be # BOOT_START = ((TOTAL_FLASH_BYTES - BOOTLOADER_SECTION_SIZE_BYTES) * 1024)
# doubled to obtain the starting byte address of the bootloader section. #
# 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 BOOT_START = 0x1E000

8
Bootloaders/DFU/makefile
View file

@ -85,9 +85,11 @@ F_CPU = 8000000
F_CLOCK = $(F_CPU) F_CLOCK = $(F_CPU)
# Starting byte address of the bootloader, as a byte address. Note that the address given # Starting byte address of the bootloader, as a byte address - computed via the formula
# in the AVRStudio fuse programming dialogue uses word addresses, which will have to be # BOOT_START = ((TOTAL_FLASH_BYTES - BOOTLOADER_SECTION_SIZE_BYTES) * 1024)
# doubled to obtain the starting byte address of the bootloader section. #
# 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 BOOT_START = 0x1E000