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fixed float printf for F303

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This commit is contained in:
Edward Emelianov
2023-01-17 21:50:52 +03:00
parent a2971ab053
commit 5230ad14e3
12 changed files with 364 additions and 24 deletions
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54
F3:F303/floatPrintf/Makefile
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@@ -1,4 +1,4 @@
BINARY = usart1
BINARY = float
BOOTPORT ?= /dev/ttyUSB0
BOOTSPEED ?= 115200
# MCU FAMILY
@@ -9,12 +9,10 @@ MCU ?= F303xb
ARMARCH = __ARM_ARCH_7M__
# change this linking script depending on particular MCU model,
LDSCRIPT ?= stm32f303xB.ld
# debug
#DEFS = -DEBUG
INDEPENDENT_HEADERS=
FP_FLAGS ?= -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -fsingle-precision-constant -mlittle-endian -DARM_MATH_CM4
FP_FLAGS ?= -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fsingle-precision-constant -mlittle-endian -DARM_MATH_CM4
ASM_FLAGS ?= -mthumb -mcpu=cortex-m4
ARCH_FLAGS = $(ASM_FLAGS) $(FP_FLAGS) -D $(ARMARCH)
@@ -42,6 +40,8 @@ DFUUTIL := $(shell which dfu-util)
###############################################################################
# Source files
OBJDIR := mk
# target (debug/release)
TARGFILE := $(OBJDIR)/TARGET
SRC := $(wildcard *.c)
OBJS := $(addprefix $(OBJDIR)/, $(SRC:%.c=%.o))
STARTUP := $(OBJDIR)/startup.o
@@ -59,16 +59,15 @@ LIB_DIR := $(INC_DIR)/ld
# C flags
CFLAGS += -g -gdwarf-2 # debuggin symbols in listing
CFLAGS += -O2 -D__thumb2__=1 -MD
CFLAGS += -Wall -Werror -Wextra -Wshadow
CFLAGS += -fshort-enums -ffunction-sections -fdata-sections -flto
#CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector
CFLAGS += -Wall -Wextra -Wshadow
CFLAGS += -fshort-enums -ffunction-sections -fdata-sections
#CFLAGS += -fno-common -fno-stack-protector
CFLAGS += $(ARCH_FLAGS)
###############################################################################
# Linker flags
#LDFLAGS += -nostartfiles --static -nostdlib -specs=nosys.specs -specs=nano.specs
LDFLAGS += -nostartfiles --static -specs=nosys.specs -specs=nano.specs
LDFLAGS += $(ARCH_FLAGS)
LDFLAGS += -specs=nano.specs -flto
LDFLAGS += -L$(LIB_DIR)
#-L$(TOOLCHLIB)
LDFLAGS += -T$(LDSCRIPT)
@@ -76,7 +75,7 @@ LDFLAGS += -Wl,-Map=$(MAP),--cref -Wl,--gc-sections -Wl,--print-memory-usage
###############################################################################
# Used libraries
#LDLIBS += -lc $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
LDLIBS += -lm -lc $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
DEFS += -DSTM32$(FAMILY) -DSTM32$(MCU)
@@ -85,7 +84,29 @@ LIST := $(OBJDIR)/$(BINARY).list
BIN := $(BINARY).bin
HEX := $(BINARY).hex
all: bin list size
ifeq ($(shell test -e $(TARGFILE) && echo -n yes),yes)
TARGET := $(file < $(TARGFILE))
else
TARGET := RELEASE
endif
ifeq ($(TARGET), DEBUG)
.DEFAULT_GOAL := debug
endif
# release: add LTO
release: CFLAGS += -flto
release: LDFLAGS += -flto
release: $(TARGFILE) bin list size
#debug: add debug flags
debug: CFLAGS += -DEBUG -Werror -g3
debug: TARGET := DEBUG
debug: $(TARGFILE) bin list size
$(TARGFILE): $(OBJDIR)
@echo -e "\t\tTARGET: $(TARGET)"
@echo "$(TARGET)" > $(TARGFILE)
elf: $(ELF)
bin: $(BIN)
@@ -127,8 +148,7 @@ size: $(ELF)
clean:
@echo " CLEAN"
$(RM) $(OBJS) $(DEPS) $(ELF) $(HEX) $(LIST) $(MAP)
@rmdir $(OBJDIR) 2>/dev/null || true
@rm -rf $(OBJDIR) 2>/dev/null || true
flash: $(BIN)
@@ -143,4 +163,10 @@ dfuboot: $(BIN)
@echo " LOAD $(BIN) THROUGH DFU"
$(DFUUTIL) -a0 -D $(BIN) -s 0x08000000
.PHONY: clean flash boot
openocd:
openocd -f openocd.cfg
dbg:
arm-none-eabi-gdb $(ELF) -ex 'target remote localhost:3333' -ex 'monitor reset halt'
.PHONY: size clean flash boot dfuboot openocd dbg