1 # Hey Emacs, this is a -*- makefile -*-
2 ##############################################################################
11 HEX = $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature
12 EEP = $(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT)
16 COMPILEFLAGS += -funsigned-char
17 COMPILEFLAGS += -funsigned-bitfields
18 COMPILEFLAGS += -ffunction-sections
19 COMPILEFLAGS += -fdata-sections
20 COMPILEFLAGS += -fpack-struct
21 COMPILEFLAGS += -fshort-enums
23 CFLAGS += $(COMPILEFLAGS)
24 CFLAGS += -fno-inline-small-functions
25 CFLAGS += -fno-strict-aliasing
27 CPPFLAGS += $(COMPILEFLAGS)
28 CPPFLAGS += -fno-exceptions
30 LDFLAGS +=-Wl,--gc-sections
32 OPT_DEFS += -DF_CPU=$(F_CPU)UL
34 MCUFLAGS = -mmcu=$(MCU)
36 # List any extra directories to look for libraries here.
37 # Each directory must be seperated by a space.
38 # Use forward slashes for directory separators.
39 # For a directory that has spaces, enclose it in quotes.
43 #---------------- External Memory Options ----------------
45 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
46 # used for variables (.data/.bss) and heap (malloc()).
47 #EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
49 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
50 # only used for heap (malloc()).
51 #EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
55 #---------------- Debugging Options ----------------
58 # Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
59 # AVR Studio 4.10 requires dwarf-2.
60 # AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
63 # For simulavr only - target MCU frequency.
64 DEBUG_MFREQ = $(F_CPU)
66 # Set the DEBUG_UI to either gdb or insight.
70 # Set the debugging back-end to either avarice, simulavr.
71 DEBUG_BACKEND = avarice
72 #DEBUG_BACKEND = simulavr
75 GDBINIT_FILE = __avr_gdbinit
77 # When using avarice settings for the JTAG
80 # Debugging port used to communicate between GDB / avarice / simulavr.
83 # Debugging host used to communicate between GDB / avarice / simulavr, normally
84 # just set to localhost unless doing some sort of crazy debugging when
85 # avarice is running on a different computer.
86 DEBUG_HOST = localhost
88 #============================================================================
89 # Autodecct teensy loader
90 ifneq (, $(shell which teensy-loader-cli 2>/dev/null))
91 TEENSY_LOADER_CLI = teensy-loader-cli
93 TEENSY_LOADER_CLI = teensy_loader_cli
97 program: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
100 teensy: $(BUILD_DIR)/$(TARGET).hex
101 $(TEENSY_LOADER_CLI) -mmcu=$(MCU) -w -v $(BUILD_DIR)/$(TARGET).hex
103 flip: $(BUILD_DIR)/$(TARGET).hex
104 batchisp -hardware usb -device $(MCU) -operation erase f
105 batchisp -hardware usb -device $(MCU) -operation loadbuffer $(BUILD_DIR)/$(TARGET).hex program
106 batchisp -hardware usb -device $(MCU) -operation start reset 0
108 dfu: $(BUILD_DIR)/$(TARGET).hex sizeafter
109 ifneq (, $(findstring 0.7, $(shell dfu-programmer --version 2>&1)))
110 dfu-programmer $(MCU) erase --force
112 dfu-programmer $(MCU) erase
114 dfu-programmer $(MCU) flash $(BUILD_DIR)/$(TARGET).hex
115 dfu-programmer $(MCU) reset
118 dfu-programmer $(MCU) reset
119 dfu-programmer $(MCU) start
121 flip-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
122 $(COPY) $(BUILD_DIR)/$(TARGET).eep $(BUILD_DIR)/$(TARGET)eep.hex
123 batchisp -hardware usb -device $(MCU) -operation memory EEPROM erase
124 batchisp -hardware usb -device $(MCU) -operation memory EEPROM loadbuffer $(BUILD_DIR)/$(TARGET)eep.hex program
125 batchisp -hardware usb -device $(MCU) -operation start reset 0
126 $(REMOVE) $(BUILD_DIR)/$(TARGET)eep.hex
128 dfu-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
129 ifneq (, $(findstring 0.7, $(shell dfu-programmer --version 2>&1)))
130 dfu-programmer $(MCU) flash --eeprom $(BUILD_DIR)/$(TARGET).eep
132 dfu-programmer $(MCU) flash-eeprom $(BUILD_DIR)/$(TARGET).eep
134 dfu-programmer $(MCU) reset
137 # Generate avr-gdb config/init file which does the following:
138 # define the reset signal, load the target file, connect to target, and set
139 # a breakpoint at main().
141 @$(REMOVE) $(GDBINIT_FILE)
142 @echo define reset >> $(GDBINIT_FILE)
143 @echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
144 @echo end >> $(GDBINIT_FILE)
145 @echo file $(BUILD_DIR)/$(TARGET).elf >> $(GDBINIT_FILE)
146 @echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
147 ifeq ($(DEBUG_BACKEND),simulavr)
148 @echo load >> $(GDBINIT_FILE)
150 @echo break main >> $(GDBINIT_FILE)
152 debug: gdb-config $(BUILD_DIR)/$(TARGET).elf
153 ifeq ($(DEBUG_BACKEND), avarice)
154 @echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
155 @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
156 $(BUILD_DIR)/$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
157 @$(WINSHELL) /c pause
160 @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
161 $(DEBUG_MFREQ) --port $(DEBUG_PORT)
163 @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
168 # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
169 COFFCONVERT = $(OBJCOPY) --debugging
170 COFFCONVERT += --change-section-address .data-0x800000
171 COFFCONVERT += --change-section-address .bss-0x800000
172 COFFCONVERT += --change-section-address .noinit-0x800000
173 COFFCONVERT += --change-section-address .eeprom-0x810000
177 coff: $(BUILD_DIR)/$(TARGET).elf
178 @$(SECHO) $(MSG_COFF) $(BUILD_DIR)/$(TARGET).cof
179 $(COFFCONVERT) -O coff-avr $< $(BUILD_DIR)/$(TARGET).cof
182 extcoff: $(BUILD_DIR)/$(TARGET).elf
183 @$(SECHO) $(MSG_EXTENDED_COFF) $(BUILD_DIR)/$(TARGET).cof
184 $(COFFCONVERT) -O coff-ext-avr $< $(BUILD_DIR)/$(TARGET).cof