Initial commit

Makefile

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+.DELETE_ON_ERROR:
+.SUFFIXES:
+
+# Makefile                                                                      
+# Written by Leon Krieg <info@madcow.dev>
+
+ARCH      := m32
+FREQ      := 1600000UL
+MCU       := atmega32a
+ASP       := usbasp
+GCC       := avr-gcc
+AVD       := avrdude
+RMF       := rm -f
+BINDIR    := bin
+ELFILE    := $(BINDIR)/out.elf
+TARGET    := $(BINDIR)/core.hex
+CFLAGS    := -Os -std=c99 -Wall -Wextra -Werror
+CPPFLAGS  := -DF_CPU=$(FREQ)
+
+.PHONY: all
+all: flash
+
+.PHONY: flash
+flash: $(TARGET)
+	$(AVD) -c $(ASP) -p $(ARCH) -U flash:w:$(TARGET)
+
+$(TARGET): src/main.c
+	$(GCC) -o $(ELFILE) $(CFLAGS) $(CPPFLAGS) $^ -mmcu=$(MCU)
+	avr-objcopy -j .text -j .data -O ihex $(ELFILE) $@
+	avr-size --format=avr --mcu=$(MCU) $@
+
+clean:
+	$(RMF) $(TARGET)
+	$(RMF) $(ELFILE)

bin/.gitignore

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+*
+!.gitignore

src/main.c

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+#define UNUSED(s) (void)(s)
+
+int main(void)
+{
+	return 0;
+}