Added pendulum

sketches/pendulum/Makefile_old

@@ -0,0 +1,31 @@
+CFLAGS = -Os -Wall --std=c11 -g
+CHIP = atmega328p
+SOURCE_FILES = ${wildcard *.c}
+OBJ_FILES = $(SOURCE_FILES:%.c=%.o)
+BIN = pendulum.bin
+HEX = pendulum.hex
+ASM = pendulum.asm
+
+default: $(HEX)
+
+%.o: %.c
+	avr-gcc $(CFLAGS) -mmcu=$(CHIP) -o $@ $<
+	 
+$(BIN): $(OBJ_FILES)
+	avr-gcc $(CFLAGS) -o $@ $^
+	
+$(ASM): $(BIN)
+	avr-objdump -d -g -l -S $^ > $@
+	
+$(HEX): $(BIN)
+	avr-objcopy -O ihex -j .text -j .data $^ $@
+
+asm: $(ASM)
+
+flash: $(HEX)
+	avrdude -p $(CHIP) -c arduino -B 115200 -P /dev/ttyACM0 -v -v -e -Uflash:w:$(HEX):a
+
+clean:
+	$(RM) $(OBJ_FILES) $(BIN) $(HEX) $(ASM)
+	
+