Merge pull request particle-iot#323 from spark/feature/dfu-suffix

Add DFU suffix to .bin file

Author: Zachary Crockett

build/.gitignore

@@ -4,4 +4,5 @@ applications/
 *.elf
 *.bin
 *.map
-*.hex
+*.hex
+*.dfu

build/makefile

@@ -172,7 +172,7 @@ hex: $(TARGETDIR)$(TARGET).hex
 
 # Program the core using dfu-util. The core should have been placed
 # in bootloader mode before invoking 'make program-dfu'
-program-dfu: $(TARGETDIR)$(TARGET).bin
+program-dfu: $(TARGETDIR)$(TARGET).dfu
 	@echo Flashing using dfu:
 	$(DFU) -d 1d50:607f -a 0 -s 0x08005000:leave -D $<
 
@@ -200,6 +200,11 @@ size: $(TARGETDIR)$(TARGET).elf
 	$(OBJCOPY) -O binary $< $@
 	@echo
 
+# Create a DFU file from bin file
+%.dfu: %.bin
+	@cp $< $@
+	$(DFUSUFFIX) -v 1d50 -p 607f -a $@
+
 $(TARGETDIR)$(TARGET).elf : check_external_deps $(ALLOBJ)
 	@echo Building target: $@
 	@echo Invoking: ARM GCC C++ Linker

build/tools.mk

@@ -8,6 +8,7 @@ AR = $(GCC_PREFIX)ar
 OBJCOPY = $(GCC_PREFIX)objcopy
 SIZE = $(GCC_PREFIX)size
 DFU = dfu-util
+DFUSUFFIX = dfu-suffix
 CURL = curl
 
 RM = rm -f