Commit fd9b34aa authored by Dean Camera's avatar Dean Camera
Browse files

Add the formula used to obtain the bootloader start address to the Bootloader...

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.
parent 37c601db
......@@ -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
......
......@@ -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
......
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