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)
15 COMMON_VPATH += $(DRIVER_PATH)/avr
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 += $(COMPILEFLAGS)
29 CPPFLAGS += -fno-exceptions -std=c++11
31 LDFLAGS +=-Wl,--gc-sections
33 OPT_DEFS += -DF_CPU=$(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 # Autodetect teensy loader
91 ifndef TEENSY_LOADER_CLI
92 ifneq (, $(shell which teensy-loader-cli 2>/dev/null))
93 TEENSY_LOADER_CLI ?= teensy-loader-cli
95 TEENSY_LOADER_CLI ?= teensy_loader_cli
100 program: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
103 teensy: $(BUILD_DIR)/$(TARGET).hex
104 $(TEENSY_LOADER_CLI) -mmcu=$(MCU) -w -v $(BUILD_DIR)/$(TARGET).hex
108 flip: $(BUILD_DIR)/$(TARGET).hex
109 $(BATCHISP) -hardware usb -device $(MCU) -operation erase f
110 $(BATCHISP) -hardware usb -device $(MCU) -operation loadbuffer $(BUILD_DIR)/$(TARGET).hex program
111 $(BATCHISP) -hardware usb -device $(MCU) -operation start reset 0
113 DFU_PROGRAMMER ?= dfu-programmer
115 dfu: $(BUILD_DIR)/$(TARGET).hex sizeafter
116 until $(DFU_PROGRAMMER) $(MCU) get bootloader-version; do\
117 echo "Error: Bootloader not found. Trying again in 5s." ;\
120 if $(DFU_PROGRAMMER) --version 2>&1 | grep -q 0.7 ; then\
121 $(DFU_PROGRAMMER) $(MCU) erase --force;\
123 $(DFU_PROGRAMMER) $(MCU) erase;\
125 $(DFU_PROGRAMMER) $(MCU) flash $(BUILD_DIR)/$(TARGET).hex
126 $(DFU_PROGRAMMER) $(MCU) reset
129 $(DFU_PROGRAMMER) $(MCU) reset
130 $(DFU_PROGRAMMER) $(MCU) start
132 flip-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
133 $(COPY) $(BUILD_DIR)/$(TARGET).eep $(BUILD_DIR)/$(TARGET)eep.hex
134 $(BATCHISP) -hardware usb -device $(MCU) -operation memory EEPROM erase
135 $(BATCHISP) -hardware usb -device $(MCU) -operation memory EEPROM loadbuffer $(BUILD_DIR)/$(TARGET)eep.hex program
136 $(BATCHISP) -hardware usb -device $(MCU) -operation start reset 0
137 $(REMOVE) $(BUILD_DIR)/$(TARGET)eep.hex
139 dfu-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
140 if $(DFU_PROGRAMMER) --version 2>&1 | grep -q 0.7 ; then\
141 $(DFU_PROGRAMMER) $(MCU) flash --eeprom $(BUILD_DIR)/$(TARGET).eep;\
143 $(DFU_PROGRAMMER) $(MCU) flash-eeprom $(BUILD_DIR)/$(TARGET).eep;\
145 $(DFU_PROGRAMMER) $(MCU) reset
147 avrdude: $(BUILD_DIR)/$(TARGET).hex
148 if grep -q -s Microsoft /proc/version; then \
149 echo 'ERROR: AVR flashing cannot be automated within the Windows Subsystem for Linux (WSL) currently. Instead, take the .hex file generated and flash it using AVRDUDE, AVRDUDESS, or XLoader.'; \
151 ls /dev/tty* > /tmp/1; \
152 echo "Detecting USB port, reset your controller now.\c"; \
153 while [ -z $$USB ]; do \
156 ls /dev/tty* > /tmp/2; \
157 USB=`diff /tmp/1 /tmp/2 | grep -o '/dev/tty.*'`; \
160 echo "Detected controller on USB port at $$USB"; \
162 avrdude -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex; \
165 # Convert hex to bin.
166 bin: $(BUILD_DIR)/$(TARGET).hex
167 $(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
168 $(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
170 # copy bin to FLASH.bin
172 $(COPY) $(BUILD_DIR)/$(TARGET).bin FLASH.bin;
174 # Generate avr-gdb config/init file which does the following:
175 # define the reset signal, load the target file, connect to target, and set
176 # a breakpoint at main().
178 @$(REMOVE) $(GDBINIT_FILE)
179 @echo define reset >> $(GDBINIT_FILE)
180 @echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
181 @echo end >> $(GDBINIT_FILE)
182 @echo file $(BUILD_DIR)/$(TARGET).elf >> $(GDBINIT_FILE)
183 @echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
184 ifeq ($(DEBUG_BACKEND),simulavr)
185 @echo load >> $(GDBINIT_FILE)
187 @echo break main >> $(GDBINIT_FILE)
189 debug: gdb-config $(BUILD_DIR)/$(TARGET).elf
190 ifeq ($(DEBUG_BACKEND), avarice)
191 @echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
192 @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
193 $(BUILD_DIR)/$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
194 @$(WINSHELL) /c pause
197 @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
198 $(DEBUG_MFREQ) --port $(DEBUG_PORT)
200 @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
205 # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
206 COFFCONVERT = $(OBJCOPY) --debugging
207 COFFCONVERT += --change-section-address .data-0x800000
208 COFFCONVERT += --change-section-address .bss-0x800000
209 COFFCONVERT += --change-section-address .noinit-0x800000
210 COFFCONVERT += --change-section-address .eeprom-0x810000
214 coff: $(BUILD_DIR)/$(TARGET).elf
215 @$(SECHO) $(MSG_COFF) $(BUILD_DIR)/$(TARGET).cof
216 $(COFFCONVERT) -O coff-avr $< $(BUILD_DIR)/$(TARGET).cof
219 extcoff: $(BUILD_DIR)/$(TARGET).elf
220 @$(SECHO) $(MSG_EXTENDED_COFF) $(BUILD_DIR)/$(TARGET).cof
221 $(COFFCONVERT) -O coff-ext-avr $< $(BUILD_DIR)/$(TARGET).cof