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# A spec for using Tivaware's makefiles
# Top-level concerns.
PROJECT = controller
MCU = TM4C123GH6PM
# Utilities.
CC = arm-none-eabi-gcc
LD = arm-none-eabi-ld
OBJCOPY = arm-none-eabi-objcopy
RM = rm -rf
MKDIR = @mkdir -p $(@D)
# Custom/TI/build resource locations.
SRCS = $(wildcard src/*.c) \
$(wildcard libs/*.c)
OBJ = obj/
OBJS = $(addprefix $(OBJ),$(notdir $(SRCS:.c=.o)))
LD_SCRIPT = ld/$(MCU).ld
IPATH = /home/dnw/Code/TivaC/libs
# Flags.
CFLAGS = -mthumb -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections \
-fdata-sections -MD -std=c2x -Wall -Wextra -Werror -DPART_${MCU} -c -O0 -Dgcc -ggdb
CFLAGS += ${patsubst %,-I%,${subst :, ,${IPATH}}} -iquote inc
# Compiler/standard resource locations.
LIBGCC := ${shell ${CC} ${CFLAGS} -print-libgcc-file-name}
LIBC := ${shell ${CC} ${CFLAGS} -print-file-name=libc_nano.a}
LIBM := ${shell ${CC} ${CFLAGS} -print-file-name=libm.a}
LIBG := ${shell ${CC} ${CFLAGS} -print-file-name=libg_nano.a}
LIBSTUB := ${shell ${CC} ${CFLAGS} -print-file-name=libnosys.a}
LIBDRIVER := /home/dnw/Code/TivaC/libs/driverlib/gcc/libdriver.a
# More flags.
LDFLAGS = -T $(LD_SCRIPT) --gc-sections '${LIBM}' '${LIBGCC}' '${LIBDRIVER}' '${LIBC}' '${LIBSTUB}'
# Targets.
all: bin/$(PROJECT).bin
$(OBJ)%.o: src/%.c
$(MKDIR)
$(CC) -o $@ $^ $(CFLAGS)
$(OBJ)%.o: libs/%.c
$(MKDIR)
$(CC) -o $@ $^ $(CFLAGS)
$(info $$PROJECT is [${PROJECT}])
bin/$(PROJECT).elf: $(OBJS)
$(MKDIR)
$(LD) -o $@ $^ $(LDFLAGS)
bin/$(PROJECT).bin: bin/$(PROJECT).elf
$(OBJCOPY) -O binary $< $@
clean:
-$(RM) obj
-$(RM) bin
.PHONY: all clean
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