Initial commit

Makefile

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+# WinAVR cross-compiler toolchain is used here
+CC = avr-gcc
+OBJCOPY = avr-objcopy
+DUDE = avrdude
+MICRONUCLEUS = sudo micronucleus
+
+# If you are not using ATtiny2313 and the USBtiny programmer, 
+# update the lines below to match your configuration
+CFLAGS = -Wall -Os -Iusbdrv -I. -mmcu=attiny85 -DF_CPU=16500000
+OBJFLAGS = -j .text -j .data -O ihex
+DUDEFLAGS = -p attiny85 -c usbtiny -v
+MICRONUCLEUSFLAGS = --run
+
+# Object files for the firmware (usbdrv/oddebug.o not strictly needed I think)
+OBJECTS = usbdrv/usbdrv.o usbdrv/oddebug.o usbdrv/usbdrvasm.o main.o
+
+## Command-line client
+#CMDLINE = usbtest.exe
+
+# By default, build the firmware and command-line client, but do not flash
+all: main.hex
+
+# With this, you can flash the firmware by just typing "make flash" on command-line
+flash: main.hex
+	micronucleus --run main.hex
+#   $(MICRONUCLEUS) $(MICRONUCLEUSFLAGS) $<
+#	$(DUDE) $(DUDEFLAGS) -U flash:w:$<
+
+# One-liner to compile the command-line client from usbtest.c
+#$(CMDLINE): usbtest.c
+#	gcc -I ./libusb/include -L ./libusb/lib/gcc -O -Wall usbtest.c -o usbtest.exe -lusb
+
+# Housekeeping if you want it
+clean:
+	$(RM) *.o *.hex *.elf usbdrv/*.o
+
+# From .elf file to .hex
+%.hex: %.elf
+	$(OBJCOPY) $(OBJFLAGS) $< $@
+
+# Main.elf requires additional objects to the firmware, not just main.o
+main.elf: $(OBJECTS)
+	$(CC) $(CFLAGS) $(OBJECTS) -o $@
+
+# Without this dependance, .o files will not be recompiled if you change 
+# the config! I spent a few hours debugging because of this...
+$(OBJECTS): usbdrv/usbconfig.h
+
+# From C source to .o object file
+%.o: %.c	
+	$(CC) $(CFLAGS) -c $< -o $@
+
+# From assembler source to .o object file
+%.o: %.S
+	$(CC) $(CFLAGS) -x assembler-with-cpp -c $< -o $@