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)
17 COMPILEFLAGS += -funsigned-char
18 COMPILEFLAGS += -funsigned-bitfields
19 COMPILEFLAGS += -ffunction-sections
20 COMPILEFLAGS += -fdata-sections
21 COMPILEFLAGS += -fpack-struct
22 COMPILEFLAGS += -fshort-enums
24 CFLAGS += $(COMPILEFLAGS)
25 CFLAGS += -fno-inline-small-functions
26 CFLAGS += -fno-strict-aliasing
28 CPPFLAGS += $(COMPILEFLAGS)
29 CPPFLAGS += -fno-exceptions
31 LDFLAGS +=-Wl,--gc-sections
33 OPT_DEFS += -DF_CPU=$(F_CPU)UL
35 MCUFLAGS = -mmcu=$(MCU)
37 # List any extra directories to look for libraries here.
38 # Each directory must be seperated by a space.
39 # Use forward slashes for directory separators.
40 # For a directory that has spaces, enclose it in quotes.
44 #---------------- External Memory Options ----------------
46 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
47 # used for variables (.data/.bss) and heap (malloc()).
48 #EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
50 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
51 # only used for heap (malloc()).
52 #EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
56 #---------------- Debugging Options ----------------
59 # Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
60 # AVR Studio 4.10 requires dwarf-2.
61 # AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
64 # For simulavr only - target MCU frequency.
65 DEBUG_MFREQ = $(F_CPU)
67 # Set the DEBUG_UI to either gdb or insight.
71 # Set the debugging back-end to either avarice, simulavr.
72 DEBUG_BACKEND = avarice
73 #DEBUG_BACKEND = simulavr
76 GDBINIT_FILE = __avr_gdbinit
78 # When using avarice settings for the JTAG
81 # Debugging port used to communicate between GDB / avarice / simulavr.
84 # Debugging host used to communicate between GDB / avarice / simulavr, normally
85 # just set to localhost unless doing some sort of crazy debugging when
86 # avarice is running on a different computer.
87 DEBUG_HOST = localhost
89 #============================================================================
90 # Autodecct teensy loader
91 ifneq (, $(shell which teensy-loader-cli 2>/dev/null))
92 TEENSY_LOADER_CLI = teensy-loader-cli
94 TEENSY_LOADER_CLI = teensy_loader_cli
98 program: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
101 teensy: $(BUILD_DIR)/$(TARGET).hex
102 $(TEENSY_LOADER_CLI) -mmcu=$(MCU) -w -v $(BUILD_DIR)/$(TARGET).hex
104 flip: $(BUILD_DIR)/$(TARGET).hex
105 batchisp -hardware usb -device $(MCU) -operation erase f
106 batchisp -hardware usb -device $(MCU) -operation loadbuffer $(BUILD_DIR)/$(TARGET).hex program
107 batchisp -hardware usb -device $(MCU) -operation start reset 0
109 dfu: $(BUILD_DIR)/$(TARGET).hex sizeafter
110 until dfu-programmer $(MCU) get bootloader-version; do\
111 echo "Error: Bootloader not found. Trying again in 5s." ;\
114 ifneq (, $(findstring 0.7, $(shell dfu-programmer --version 2>&1)))
115 dfu-programmer $(MCU) erase --force
117 dfu-programmer $(MCU) erase
119 dfu-programmer $(MCU) flash $(BUILD_DIR)/$(TARGET).hex
120 dfu-programmer $(MCU) reset
123 dfu-programmer $(MCU) reset
124 dfu-programmer $(MCU) start
126 flip-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
127 $(COPY) $(BUILD_DIR)/$(TARGET).eep $(BUILD_DIR)/$(TARGET)eep.hex
128 batchisp -hardware usb -device $(MCU) -operation memory EEPROM erase
129 batchisp -hardware usb -device $(MCU) -operation memory EEPROM loadbuffer $(BUILD_DIR)/$(TARGET)eep.hex program
130 batchisp -hardware usb -device $(MCU) -operation start reset 0
131 $(REMOVE) $(BUILD_DIR)/$(TARGET)eep.hex
133 dfu-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
134 ifneq (, $(findstring 0.7, $(shell dfu-programmer --version 2>&1)))
135 dfu-programmer $(MCU) flash --eeprom $(BUILD_DIR)/$(TARGET).eep
137 dfu-programmer $(MCU) flash-eeprom $(BUILD_DIR)/$(TARGET).eep
139 dfu-programmer $(MCU) reset
141 # Convert hex to bin.
142 flashbin: $(BUILD_DIR)/$(TARGET).hex
143 $(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
144 $(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
145 $(COPY) $(BUILD_DIR)/$(TARGET).bin FLASH.bin;
147 # Generate avr-gdb config/init file which does the following:
148 # define the reset signal, load the target file, connect to target, and set
149 # a breakpoint at main().
151 @$(REMOVE) $(GDBINIT_FILE)
152 @echo define reset >> $(GDBINIT_FILE)
153 @echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
154 @echo end >> $(GDBINIT_FILE)
155 @echo file $(BUILD_DIR)/$(TARGET).elf >> $(GDBINIT_FILE)
156 @echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
157 ifeq ($(DEBUG_BACKEND),simulavr)
158 @echo load >> $(GDBINIT_FILE)
160 @echo break main >> $(GDBINIT_FILE)
162 debug: gdb-config $(BUILD_DIR)/$(TARGET).elf
163 ifeq ($(DEBUG_BACKEND), avarice)
164 @echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
165 @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
166 $(BUILD_DIR)/$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
167 @$(WINSHELL) /c pause
170 @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
171 $(DEBUG_MFREQ) --port $(DEBUG_PORT)
173 @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
178 # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
179 COFFCONVERT = $(OBJCOPY) --debugging
180 COFFCONVERT += --change-section-address .data-0x800000
181 COFFCONVERT += --change-section-address .bss-0x800000
182 COFFCONVERT += --change-section-address .noinit-0x800000
183 COFFCONVERT += --change-section-address .eeprom-0x810000
187 coff: $(BUILD_DIR)/$(TARGET).elf
188 @$(SECHO) $(MSG_COFF) $(BUILD_DIR)/$(TARGET).cof
189 $(COFFCONVERT) -O coff-avr $< $(BUILD_DIR)/$(TARGET).cof
192 extcoff: $(BUILD_DIR)/$(TARGET).elf
193 @$(SECHO) $(MSG_EXTENDED_COFF) $(BUILD_DIR)/$(TARGET).cof
194 $(COFFCONVERT) -O coff-ext-avr $< $(BUILD_DIR)/$(TARGET).cof