core/Makefile

# Core Makefile for Daisy

CHIPSET ?= stm32h7x

TARGET_BIN=$(TARGET).bin
TARGET_ELF=$(TARGET).elf
FLASH_ADDRESS ?= 0x08000000

# If you have the arm-none-eabi- toolchain located in a particular place, but not installed for the entire system, add the path here:
# GCC_PATH=

######################################
# OpenOCD stuff
# TODO: add config.mk file for settings like programmer, etc.
######################################
OCD=openocd
OCD_DIR ?= /usr/local/share/openocd/scripts
PGM_DEVICE ?= interface/stlink.cfg
OCDFLAGS = -f $(PGM_DEVICE) -f target/$(CHIPSET).cfg

GDB_FLAGS=

######################################
# building variables
######################################
# debug build?
#DEBUG = 1
# optimization
#OPT = -Og
OPT ?= -O2


######################################
# paths
######################################

# Build path
BUILD_DIR = build

LIBDAISY_DIR ?= \
./libdaisy

SYSTEM_FILES_DIR ?= \
./

######################################
# source
######################################

CPP_SOURCES ?= 

C_SOURCES += \
$(SYSTEM_FILES_DIR)/startup_stm32h750xx.c

#ASM_SOURCES += \
#$(SYSTEM_FILES_DIR)/startup_stm32h750xx.s

#######################################
# binaries
#######################################
PREFIX = arm-none-eabi-
# The gcc compiler bin path can be either defined in make command via GCC_PATH variable (> make GCC_PATH=xxx)
# either it can be added to the PATH environment variable.
ifdef GCC_PATH
CC = $(GCC_PATH)/$(PREFIX)gcc
AS = $(GCC_PATH)/$(PREFIX)gcc -x assembler-with-cpp
CXX = $(GCC_PATH)/$(PREFIX)g++ 
GDB = $(GCC_PATH)/$(PREFIX)gdb
CP = $(GCC_PATH)/$(PREFIX)objcopy
SZ = $(GCC_PATH)/$(PREFIX)size
else
CC = $(PREFIX)gcc
CXX = $(PREFIX)g++ 
GDB = $(PREFIX)gdb
AS = $(PREFIX)gcc -x assembler-with-cpp
CP = $(PREFIX)objcopy
SZ = $(PREFIX)size
endif
HEX = $(CP) -O ihex
BIN = $(CP) -O binary -S

#######################################
# CFLAGS
#######################################
# cpu
CPU = -mcpu=cortex-m7

# fpu
FPU = -mfpu=fpv5-d16

# float-abi
FLOAT-ABI = -mfloat-abi=hard

# mcu
MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)

# macros for gcc
# AS defines
AS_DEFS =

# C defines
C_DEFS ?=
C_DEFS +=  \
-DUSE_HAL_DRIVER \
-DSTM32H750xx \
-DUSE_HAL_DRIVER \
-DHSE_VALUE=16000000 \
-DSTM32H750xx


# AS includes
AS_INCLUDES =

C_INCLUDES ?= 

C_INCLUDES += \
-I$(LIBDAISY_DIR) \
-I$(LIBDAISY_DIR)/src/ \
-I$(LIBDAISY_DIR)/src/usbd \
-I$(LIBDAISY_DIR)/Drivers/CMSIS/Include/ \
-I$(LIBDAISY_DIR)/Drivers/CMSIS/Device/ST/STM32H7xx/Include \
-I$(LIBDAISY_DIR)/Drivers/STM32H7xx_HAL_Driver/Inc/ \
-I$(LIBDAISY_DIR)/Middlewares/ST/STM32_USB_Device_Library/Core/Inc \
-I$(SYSTEM_FILES_DIR)/

ifdef DAISYSP_DIR
C_INCLUDES += -I$(DAISYSP_DIR)/Source
endif


# compile gcc flags
ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections

CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -Wno-missing-attributes -fasm -fdata-sections -ffunction-sections

ifeq ($(DEBUG), 1)
#CFLAGS += -g -gdwarf-2
CFLAGS += -g -ggdb
endif

# Generate dependency information
CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"

CPPFLAGS = $(CFLAGS)
CPPFLAGS += \
-fno-exceptions \
-fasm \
-finline \
-finline-functions-called-once \
-fshort-enums \
-fno-move-loop-invariants \
-fno-unwind-tables 

C_STANDARD = -std=gnu11
CPP_STANDARD ?= -std=gnu++14

#######################################
# LDFLAGS
#######################################
# link script
LDSCRIPT = $(SYSTEM_FILES_DIR)/STM32H750IB_flash.lds

# libraries

LIBS += -ldaisy -lc -lm -lnosys
LIBDIR = -L$(LIBDAISY_DIR)/build 
#LIBDIR = -L./VisualGDB/Release

ifdef DAISYSP_DIR
LIBS += -ldaisysp
LIBDIR += -L $(DAISYSP_DIR)/build
endif

LDFLAGS ?=
LDFLAGS += $(MCU) --specs=nano.specs --specs=nosys.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections

# default action: build all
all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin

#######################################
# build the application
#######################################
# list of objects
OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
vpath %.c $(sort $(dir $(C_SOURCES)))
OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(CPP_SOURCES:.cpp=.o)))
vpath %.cpp $(sort $(dir $(CPP_SOURCES)))
# list of ASM program objects
OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
vpath %.s $(sort $(dir $(ASM_SOURCES)))

$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
	$(CC) -c $(CFLAGS) $(C_STANDARD) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@

$(BUILD_DIR)/%.o: %.cpp Makefile | $(BUILD_DIR)
	$(CXX) -c $(CPPFLAGS) $(CPP_STANDARD) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.cpp=.lst)) $< -o $@

$(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR)
	$(AS) -c $(CFLAGS) $< -o $@

$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
	$(CXX) $(OBJECTS) $(LDFLAGS) -o $@
	$(SZ) $@

$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
	$(HEX) $< $@

$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
	$(BIN) $< $@

$(BUILD_DIR):
	mkdir $@

#######################################
# clean up
#######################################
clean:
	-rm -fR $(BUILD_DIR)

#######################################
# openocd recipes
#######################################

openocd:
	$(OCD) -s $(OCD_DIR) $(OCDFLAGS)

debug:
	@if ! nc -z localhost 3333; then \
        echo "\n\t[Error] OpenOCD is not running! Start it with: 'make openocd'\n"; exit 1; \
    else \
        $(GDB)  -ex "target extended localhost:3333" \
            -ex "monitor arm semihosting enable" \
            -ex "monitor reset halt" \
            -ex "load" \
            -ex "monitor reset init" \
            $(GDBFLAGS) build/$(TARGET).elf; \
    fi

debug_client:
	ddd --eval-command="target remote localhost:3333" --debugger $(GDB) $(TARGET_ELF)

program:
	$(OCD) -s $(OCD_DIR) $(OCDFLAGS) \
		-c "program ./build/$(TARGET).elf verify reset exit"

#######################################
# dfu-util
#######################################

program-dfu:
	dfu-util -a 0 -s $(FLASH_ADDRESS):leave -D $(BUILD_DIR)/$(TARGET_BIN) -d ,0483:df11

#######################################
# dependencies
#######################################
-include $(wildcard $(BUILD_DIR)/*.d)

# *** EOF ***