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use FR_math for fixed point arithmetic

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This commit is contained in:
Alessandro Mauri 2026-05-10 12:08:56 +02:00
parent f0d961a65d
commit 204e750b74
6 changed files with 2635 additions and 63 deletions
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13
fw/Makefile
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@ -11,7 +11,11 @@ U8G2_DIR:=u8g2/csrc
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)
# include fr_math
FRMATH_DIR:=fr_math
FRMATH_SRC:=$(wildcard $(FRMATH_DIR)/*.c)
EXTRA_CFLAGS += -I$(U8G2_DIR) -I$(FRMATH_DIR)
ADDITIONAL_C_FILES += lib_i2c.c display.c sc7a20.c pd.c
HEADER_FILES := $(wildcard *.h)
@ -28,13 +32,18 @@ U8G2_OBJS := $(addprefix $(BUILD_DIR)/, $(notdir $(U8G2_SRC:.c=.o)))
$(BUILD_DIR)/%.o : $(U8G2_DIR)/%.c | $(BUILD_DIR)
$(PREFIX)-gcc $(CFLAGS) -c $< -o $@
# build fr_math
FRMATH_OBJS := $(addprefix $(BUILD_DIR)/, $(notdir $(FRMATH_SRC:.c=.o)))
$(BUILD_DIR)/%.o : $(FRMATH_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 $(HEADER_FILES) | $(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
$(TARGET).elf : $(FILES_TO_COMPILE) $(LINKER_SCRIPT) $(EXTRA_ELF_DEPENDENCIES) $(U8G2_OBJS) $(FRMATH_OBJS) $(TARGET_OBJS) ch32fun.o
$(PREFIX)-gcc -o $@ $(U8G2_OBJS) $(TARGET_OBJS) ch32fun.o $(CFLAGS) $(LDFLAGS)