combine module firmware revisions into single project. Expand makefile

software/firmware_module/module_universal/Makefile

@@ -0,0 +1,96 @@
+# Source and include
+BUILD_DIR=build
+SRCS=$(wildcard src/*.c)
+OBJS_REV1=$(SRCS:%.c=build/rev1/%.o)
+OBJS_REV2=$(SRCS:%.c=build/rev2/%.o)
+INC=-I ./inc
+
+# MCU configuration
+# Set MCU type, clock frequency and programmer
+MCU=atmega8
+CLOCK_FREQ=16000000
+PROG_STR=usbasp
+
+BOARD_REVISION=1
+
+# Compiler flags
+CFLAGS=-std=c11 -Wall -Wextra -Werror -mmcu=$(MCU) -DF_CPU=$(CLOCK_FREQ)
+OPT_FLAGS_REV1=-O3 -g -DDEBUG -DBOARD_REV=1
+OPT_FLAGS_REV2=-O3 -g -DDEBUG -DBOARD_REV=2
+
+# Compiler and utility tools
+OBJCOPY=avr-objcopy
+CC=avr-gcc
+
+# Project configuration
+PROJ_NAME=sflap_controller_fw
+PROJ_BLD_REV1=$(BUILD_DIR)/$(PROJ_NAME)_rev1
+PROJ_BLD_REV2=$(BUILD_DIR)/$(PROJ_NAME)_rev2
+
+TEMP_EEPROM_DUMP=eeprom.hex
+
+
+ifeq ($(REV),1)
+	PROJ_BLD=$(PROJ_BLD_REV1)
+else
+	ifeq ($(REV),2)
+		PROJ_BLD=$(PROJ_BLD_REV2)
+	endif
+endif
+
+# Rules
+
+# Build firmware for both revisions
+all: $(PROJ_BLD_REV1).elf $(PROJ_BLD_REV2).elf 
+
+$(PROJ_BLD_REV1).elf: $(OBJS_REV1)
+	$(CC) -o $@ $^ $(INC) $(CFLAGS) $(OPT_FLAGS_REV1) $(MCU_FLAGS)
+	$(OBJCOPY) -j .text -j .data -O ihex $@ $(PROJ_BLD_REV1).hex
+	$(OBJCOPY) -j .text -j .data -O binary $@ $(PROJ_BLD_REV1).bin
+
+$(PROJ_BLD_REV2).elf: $(OBJS_REV2)
+	$(CC) -o $@ $^ $(INC) $(CFLAGS) $(OPT_FLAGS_REV2) $(MCU_FLAGS)
+	$(OBJCOPY) -j .text -j .data -O ihex $@ $(PROJ_BLD_REV2).hex
+	$(OBJCOPY) -j .text -j .data -O binary $@ $(PROJ_BLD_REV2).bin
+
+build/rev1/%.o: %.c
+	mkdir -p build/rev1/src
+	$(CC) -c -o $@ $(INC) $(CFLAGS) $(OPT_FLAGS_REV1) $(MCU_FLAGS) $<
+build/rev2/%.o: %.c
+	mkdir -p build/rev2/src
+	$(CC) -c -o $@ $(INC) $(CFLAGS) $(OPT_FLAGS_REV2) $(MCU_FLAGS) $<
+
+
+
+release: OPT_FLAGS=-O2 -DNDEBUG
+release: $(PROJ_BLD_REV1).elf $(PROJ_BLD_REV2).elf
+
+fuse:
+	avrdude -c $(PROG_STR) -p $(MCU) -U lfuse:w:0xDF:m  -U hfuse:w:0xCA:m -B 125kHz
+
+flash-clean:
+	#avrdude -c $(PROG_STR) -p $(MCU) -U eeprom:r:$(TEMP_EEPROM_DUMP):i
+	avrdude -c $(PROG_STR) -p $(MCU) -U flash:w:$(PROJ_BLD).hex:i
+
+flash-update:
+	avrdude -c $(PROG_STR) -p $(MCU) -U eeprom:r:$(TEMP_EEPROM_DUMP):i
+	avrdude -c $(PROG_STR) -p $(MCU) -U flash:w:$(PROJ_BLD).hex:i
+	avrdude -c $(PROG_STR) -p $(MCU) -U eeprom:w:$(TEMP_EEPROM_DUMP):i
+
+flash-eeprom:
+	avrdude -c $(PROG_STR) -p $(MCU) -U eeprom:w:$(TEMP_EEPROM_DUMP):i
+
+
+clear-address:
+	avrdude -c $(PROG_STR) -p $(MCU) -U eeprom:r:$(TEMP_EEPROM_DUMP):i
+	sed -i 's/:20000000..../:200000000000/' $(TEMP_EEPROM_DUMP)
+	avrdude -c $(PROG_STR) -p $(MCU) -U eeprom:w:$(TEMP_EEPROM_DUMP):i
+
+flash-debug:
+	avrdude -c $(PROG_STR) -p $(MCU) -U flash:w:$(PROJ_BLD).elf:e
+
+clean:
+	rm -rf build
+	rm $(TEMP_EEPROM_DUMP)
+
+.PHONY = clean, release, flash, flash-debug