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parallel compilation with redefined make rules

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This commit is contained in:
Alessandro Mauri 2026-04-23 20:13:06 +02:00
parent 5828ecfb48
commit de32bd245c
2 changed files with 27 additions and 6 deletions
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2
fw/.gitignore vendored
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@ -7,4 +7,6 @@
*.map
*.elf
*.hex
*.o
.build
compile_commands.json

31
fw/Makefile
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@ -3,24 +3,43 @@ all : build
TARGET := main
TARGET_MCU := CH32X035
TARGET_MCU_PACKAGE := CH32X035F8U6
BUILD_DIR := .build
DISPLAY := ssd1312
# include u8g2
U8G2_DIR:=u8g2/csrc
U8G2_SRC:=u8g2/csrc/u8x8_d_ssd1312.c $(filter-out $(U8G2_DIR)/u8x8_d_%.c, $(wildcard $(U8G2_DIR)/*.c))
# U8G2_SRC:=u8g2/csrc/u8x8_d_ssd1306_128x32.c $(filter-out $(U8G2_DIR)/u8x8_d_%.c, $(wildcard $(U8G2_DIR)/*.c))
U8G2_SRC:=$(U8G2_DIR)/u8x8_d_$(DISPLAY).c $(filter-out $(U8G2_DIR)/u8x8_d_%.c, \
$(filter-out $(U8G2_DIR)/mui%.c, $(wildcard $(U8G2_DIR)/*.c)))
EXTRA_CFLAGS += -I$(U8G2_DIR)
ADDITIONAL_C_FILES += $(U8G2_SRC)
ADDITIONAL_C_FILES += lib_i2c.c
ADDITIONAL_C_FILES += display.c
ADDITIONAL_C_FILES += lib_i2c.c display.c
include ch32fun/ch32fun/ch32fun.mk
FLASH_COMMAND=$(MINICHLINK)/minichlink -C isp -w $< $(WRITE_SECTION) -b
# create build directory
$(BUILD_DIR):
mkdir -p $(BUILD_DIR)
# build u8g2
U8G2_OBJS := $(addprefix $(BUILD_DIR)/, $(notdir $(U8G2_SRC:.c=.o)))
$(BUILD_DIR)/%.o : $(U8G2_DIR)/%.c | $(BUILD_DIR)
$(PREFIX)-gcc $(CFLAGS) -c $< -o $@
# build target
TARGET_OBJS := $(addprefix $(BUILD_DIR)/, $(filter-out ch32fun.o, $(notdir $(FILES_TO_COMPILE:.c=.o))))
$(BUILD_DIR)/%.o : %.c | $(BUILD_DIR)
$(PREFIX)-gcc $(CFLAGS) -c $< -o $@
# link target, the rest of the build is specified in ch32fun.mk
$(TARGET).elf : $(FILES_TO_COMPILE) $(LINKER_SCRIPT) $(EXTRA_ELF_DEPENDENCIES) $(U8G2_OBJS) $(TARGET_OBJS) ch32fun.o
$(PREFIX)-gcc -o $@ $(U8G2_OBJS) $(TARGET_OBJS) ch32fun.o $(CFLAGS) $(LDFLAGS)
flash : cv_flash
clean : cv_clean
rm -f $(BUILD_DIR)/*.o *.o || true
monitor :
picocom --imap lfcrlf /dev/ttyACM0