From 088bfb10b293828e4fd85bb388e6f9d842d90f4f Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Wed, 9 Feb 2011 17:58:21 +0000 Subject: Change bootloader makefiles to automatically compute the bootloader starting address from a flash size and bootloader section size, expressed in KB. --- Bootloaders/CDC/makefile | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'Bootloaders/CDC') diff --git a/Bootloaders/CDC/makefile b/Bootloaders/CDC/makefile index 3e43a168d..3b2e2db0b 100644 --- a/Bootloaders/CDC/makefile +++ b/Bootloaders/CDC/makefile @@ -86,11 +86,13 @@ F_CLOCK = $(F_CPU) # Starting byte address of the bootloader, as a byte address - computed via the formula -# BOOT_START = ((TOTAL_FLASH_BYTES - BOOTLOADER_SECTION_SIZE_BYTES) * 1024) +# BOOT_START = ((FLASH_SIZE_KB - BOOT_SECTION_SIZE_KB) * 1024) # # Note that the bootloader size and start address given in AVRStudio is in words and not # bytes, and so will need to be doubled to obtain the byte address needed by AVR-GCC. -BOOT_START = 0x1E000 +FLASH_SIZE_KB = 128 +BOOT_SECTION_SIZE_KB = 4 +BOOT_START = 0x$(shell echo "obase=16; ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024" | bc) # Output format. (can be srec, ihex, binary) -- cgit v1.2.3