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| author | Dean Camera <dean@fourwalledcubicle.com> | 2010-07-30 05:13:05 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-07-30 05:13:05 +0000 |
| commit | fd9b34aac48ad969b9ef9e4a9d7120ae924cec39 (patch) | |
| tree | 57ebd9494ab7dcf02e502f4cad4fdf2e9ef303ce | |
| parent | 37c601dbf6defbd7d2891b5671d19122159de2b6 (diff) | |
| download | lufa-fd9b34aac48ad969b9ef9e4a9d7120ae924cec39.tar.gz lufa-fd9b34aac48ad969b9ef9e4a9d7120ae924cec39.tar.bz2 lufa-fd9b34aac48ad969b9ef9e4a9d7120ae924cec39.zip | |
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.
| -rw-r--r-- | Bootloaders/CDC/makefile | 8 | ||||
| -rw-r--r-- | Bootloaders/DFU/makefile | 8 |
2 files changed, 10 insertions, 6 deletions
diff --git a/Bootloaders/CDC/makefile b/Bootloaders/CDC/makefile index d39d2b21d..cb05e0fbc 100644 --- a/Bootloaders/CDC/makefile +++ b/Bootloaders/CDC/makefile @@ -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 diff --git a/Bootloaders/DFU/makefile b/Bootloaders/DFU/makefile index e53fca678..dc516c314 100644 --- a/Bootloaders/DFU/makefile +++ b/Bootloaders/DFU/makefile @@ -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 |