initial commit

1 files changed, 125 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..200e467
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,125 @@
+# CPU model
+MCU=atmega2560
+
+# CPU Frequency
+F_CPU=16000000L
+
+# Name of image to produce (can be arbitrary)
+TARGET=firmware
+
+# Serial port used for uploading
+SERIAL=/dev/ttyACM0
+BAUD=115200
+
+# Toolchain flags
+CC=avr-gcc
+CFLAGS= -std=gnu99 -O2 -Wall -finline-functions -ffunction-sections -fdata-sections -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -mmcu=$(MCU) -DF_CPU=$(F_CPU)
+LD=avr-gcc
+LDFLAGS= -O2 -Wl,--gc-sections,--relax -mmcu=$(MCU)
+AR=avr-ar
+AS=avr-as
+ASFLAGS=-mmcu=$(MCU)
+OC=avr-objcopy
+OCFLAGS=-O ihex -R .eeprom
+AVRDUDE=avrdude
+AVRDUDEFLAGS= -DV -p $(MCU) -P $(SERIAL) -c stk500v2 -b 115200
+AVRSIZE=avr-size
+CPP=avr-g++
+CPPFLAGS= -O2 -Wall -fno-exceptions -ffunction-sections -fdata-sections -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -mmcu=$(MCU) -DF_CPU=$(F_CPU)
+GDBINITFILE=gdb.conf
+
+MODULES=collection sched time tshield serial bug
+
+SOURCES=\
+	$(foreach module,$(MODULES),$(wildcard kernel/$(module)/*.S)) \
+	$(foreach module,$(MODULES),$(wildcard kernel/$(module)/*.c)) \
+	$(foreach module,$(MODULES),$(wildcard kernel/$(module)/mcu/$(MCU)/*.S)) \
+	$(foreach module,$(MODULES),$(wildcard kernel/$(module)/mcu/$(MCU)/*.c)) \
+	$(wildcard arduino/*.s) $(wildcard arduino/*.c) $(wildcard arduino/*.cpp) \
+	$(wildcard *.s) $(wildcard *.c) $(wildcard *.cpp)
+	
+OBJECTS=$(addsuffix .o, $(basename $(SOURCES)))
+INCLUDES=\
+	$(foreach module, $(MODULES), kernel/$(module)/include) \
+	$(foreach module, $(MODULES), kernel/$(module)/mcu/$(MCU)/include)
+
+ARDUINO_INCLUDES=arduino arduino/variants/mega
+
+
+# Rules
+all: target
+
+target: $(TARGET).hex
+
+$(TARGET).hex: $(TARGET).elf
+	$(OC) $(OCFLAGS) $< $@
+
+$(TARGET).elf: $(OBJECTS)
+	$(LD) $(LDFLAGS) -o $@ $^
+	
+# Arduino sources need special includes
+arduino/%.o: arduino/%.c
+	$(CC) $(CFLAGS) $(addprefix -I, $(ARDUINO_INCLUDES)) $(addprefix -I, $(INCLUDES)) -o $@ -c $<
+	
+arduino/%.o: arduino/%.cpp
+	$(CPP) $(CPPFLAGS) $(addprefix -I, $(ARDUINO_INCLUDES)) $(addprefix -I, $(INCLUDES)) -o $@ -c $<
+	
+# Kernel sources
+kernel/%.o: kernel/%.S
+	$(CC) $(CFLAGS) -o $@ -c $<
+	
+kernel/%.o: kernel/%.c
+	$(CC) $(CFLAGS) -I$(dir $<) $(addprefix -I, $(INCLUDES)) -o $@ -c $<
+	
+# Local sources may use arduino and therfore need special includes
+%.o: %.s
+	$(CC) $(CFLAGS) $(addprefix -I, $(ARDUINO_INCLUDES)) -I$(dir $<) $(addprefix -I, $(INCLUDES)) -o $@ -c $<
+	
+%.o: %.c
+	$(CC) $(CFLAGS) $(addprefix -I, $(ARDUINO_INCLUDES)) -I$(dir $<) $(addprefix -I, $(INCLUDES)) -o $@ -c $<
+	
+%.o: %.cpp
+	$(CPP) $(CPPFLAGS) $(addprefix -I, $(ARDUINO_INCLUDES)) -I$(dir $<) $(addprefix -I, $(INCLUDES)) -o $@ -c $<
+	
+
+# Utility rules
+upload: target
+	$(AVRDUDE) $(AVRDUDEFLAGS) -U flash:w:$(TARGET).hex:i
+	
+size: target
+	$(AVRSIZE) --format=avr --mcu=$(MCU) $(TARGET).elf
+	
+monitor:
+	cu -l $(SERIAL) -s $(BAUD) --parity=none -h
+
+clean:
+	@rm -f *.o
+	@for module in $(MODULES); do \
+		rm -f kernel/$$module/*.o; \
+		rm -f kernel/$$module/mcu/$(MCU)/*.o; \
+	done
+	@rm -f arduino/*.o
+	@rm -f $(TARGET).hex
+	@rm -f $(TARGET).elf
+	@rm -f $(GDBINITFILE)
+	
+# Debugging
+ddd: gdbinit
+	ddd --debugger "avr-gdb -x $(GDBINITFILE)"
+
+gdbserver: gdbinit
+#	run_avr -g -m $(MCU) -f $(F_CPU)
+	simulavr -p 1234 -d $(MCU) -F 16000000 -f $(TARGET).elf -g
+
+gdbinit: $(GDBINITFILE)
+
+$(GDBINITFILE): $(TARGET).elf
+	@echo "file $(TARGET).elf" > $(GDBINITFILE)
+	@echo "target remote localhost:1234" >> $(GDBINITFILE)
+	@echo "load" >> $(GDBINITFILE) 
+	@echo "break main.c:main" >> $(GDBINITFILE)
+	@echo
+	@echo "Use 'avr-gdb -x $(GDBINITFILE)'"
+
+	
+.PHONY: clean arduino