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Makefile
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Makefile
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# Copyright 2014, 2017, Jernej Kovacic
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software. If you wish to use our Amazon
# FreeRTOS name, please do so in a fair use way that does not cause confusion.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Type "make help" for more details.
#
# Version "6-2017-q2-update" of the "GNU Arm Embedded Toolchain" is used
# as a build tool. See comments in "setenv.sh" for more details about
# downloading it and setting the appropriate environment variables.
TOOLCHAIN = arm-none-eabi-
CC = $(TOOLCHAIN)gcc
CXX = $(TOOLCHAIN)g++
AS = $(TOOLCHAIN)as
LD = $(TOOLCHAIN)ld
OBJCOPY = $(TOOLCHAIN)objcopy
AR = $(TOOLCHAIN)ar
# GCC flags
CFLAG = -c
OFLAG = -o
INCLUDEFLAG = -I
CPUFLAG = -mthumb -mcpu=cortex-m4
WFLAG = -Wall -Wextra -Werror
FPUFLAG=-mfpu=fpv4-sp-d16 -mfloat-abi=softfp
CFLAGS = $(CPUFLAG) $(WFLAG)
# Uncomment this if the application performs floating point operations
#CFLAGS += $(FPUFLAG)
# Additional C compiler flags to produce debugging symbols
DEB_FLAG = -g -DDEBUG
# Compiler/target path in FreeRTOS/Source/portable
PORT_COMP_TARG = GCC/tm4c123g/
# Intermediate directory for all *.o and other files:
OBJDIR = obj/
# FreeRTOS source base directory
FREERTOS_SRC = FreeRTOS/Source/
# Directory with memory management source files
FREERTOS_MEMMANG_SRC = $(FREERTOS_SRC)portable/MemMang/
# Directory with platform specific source files
FREERTOS_PORT_SRC = $(FREERTOS_SRC)portable/$(PORT_COMP_TARG)
# Directory with HW drivers' source files
DRIVERS_SRC = drivers/
# Directory with demo specific source (and header) files
APP_SRC = app/
# Object files to be linked into an application
# Due to a large number, the .o files are arranged into logical groups:
FREERTOS_OBJS = queue.o list.o tasks.o
# The following o. files are only necessary if
# certain options are enabled in FreeRTOSConfig.h
#FREERTOS_OBJS += timers.o
#FREERTOS_OBJS += croutine.o
#FREERTOS_OBJS += event_groups.o
#FREERTOS_OBJS += stream_buffer.o
# Only one memory management .o file must be uncommented!
FREERTOS_MEMMANG_OBJS = heap_1.o
#FREERTOS_MEMMANG_OBJS = heap_2.o
#FREERTOS_MEMMANG_OBJS = heap_3.o
#FREERTOS_MEMMANG_OBJS = heap_4.o
#FREERTOS_MEMMANG_OBJS = heap_5.o
FREERTOS_PORT_OBJS = port.o
DRIVERS_OBJS = sysctl.o systick.o nvic.o scb.o interrupt.o
#Unnnecessary driver object files may be commented out
DRIVERS_OBJS += fpu.o
DRIVERS_OBJS += gpio.o
DRIVERS_OBJS += uart.o
DRIVERS_OBJS += watchdog.o
DRIVERS_OBJS += led.o
DRIVERS_OBJS += switch.o
APP_OBJS = startup.o handlers.o init.o main.o
APP_OBJS += wdtask.o
APP_OBJS += print.o
APP_OBJS += receive.o
APP_OBJS += lightshow.o
# nostdlib.o must be commented out if standard lib is going to be linked!
APP_OBJS += nostdlib.o
# All object files specified above are prefixed the intermediate directory
OBJS = $(addprefix $(OBJDIR), $(FREERTOS_OBJS) $(FREERTOS_MEMMANG_OBJS) $(FREERTOS_PORT_OBJS) $(DRIVERS_OBJS) $(APP_OBJS))
# Definition of the linker script and final targets
LINKER_SCRIPT = $(addprefix $(APP_SRC), tiva.ld)
ELF_IMAGE = image.elf
TARGET = image.bin
# Include paths to be passed to $(CC) where necessary
INC_FREERTOS = $(FREERTOS_SRC)include/
INC_DRIVERS = $(DRIVERS_SRC)include/
# Complete include flags to be passed to $(CC) where necessary
INC_FLAGS = $(INCLUDEFLAG)$(INC_FREERTOS) $(INCLUDEFLAG)$(APP_SRC) $(INCLUDEFLAG)$(FREERTOS_PORT_SRC) $(INCLUDEFLAG)$(INC_DRIVERS)
# Dependency on HW specific settings
DEP_BSP = $(INC_DRIVERS)bsp.h
DEP_FRTOS_CONFIG = $(APP_SRC)/FreeRTOSConfig.h
DEP_SETTINGS = $(DEP_FRTOS_CONFIG)
#
# Make rules:
#
all : $(TARGET)
rebuild : clean all
$(TARGET) : $(OBJDIR) $(ELF_IMAGE)
$(OBJCOPY) -O binary $(word 2,$^) $@
$(OBJDIR) :
mkdir -p $@
$(ELF_IMAGE) : $(OBJS) $(LINKER_SCRIPT)
$(LD) -nostdlib -L $(OBJDIR) -T $(LINKER_SCRIPT) $(OBJS) $(OFLAG) $@
debug : _debug_flags all
debug_rebuild : _debug_flags rebuild
_debug_flags :
$(eval CFLAGS += $(DEB_FLAG))
# FreeRTOS core
$(OBJDIR)queue.o : $(FREERTOS_SRC)queue.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)list.o : $(FREERTOS_SRC)list.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)tasks.o : $(FREERTOS_SRC)tasks.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)timers.o : $(FREERTOS_SRC)timers.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)croutine.o : $(FREERTOS_SRC)croutine.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)event_groups.o : $(FREERTOS_SRC)event_groups.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)stream_buffer.o : $(FREERTOS_SRC)stream_buffer.c
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
# HW specific part, in FreeRTOS/Source/portable/$(PORT_COMP_TARGET)
$(OBJDIR)port.o : $(FREERTOS_PORT_SRC)port.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
# Rules for all MemMang implementations are provided
# Only one of these object files must be linked to the final target
$(OBJDIR)heap_1.o : $(FREERTOS_MEMMANG_SRC)heap_1.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)heap_2.o : $(FREERTOS_MEMMANG_SRC)heap_2.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)heap_3.o : $(FREERTOS_MEMMANG_SRC)heap_3.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)heap_4.o : $(FREERTOS_MEMMANG_SRC)heap_4.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)heap_5.o : $(FREERTOS_MEMMANG_SRC)heap_5.c $(DEP_FRTOS_CONFIG)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
# Drivers
$(OBJDIR)sysctl.o : $(DRIVERS_SRC)sysctl.c $(DEP_BSP)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)systick.o : $(DRIVERS_SRC)systick.c $(DEP_BSP)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)nvic.o : $(DRIVERS_SRC)nvic.c $(DEP_BSP)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)scb.o : $(DRIVERS_SRC)scb.c $(DEP_BSP)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)interrupt.o : $(DRIVERS_SRC)interrupt.c
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)gpio.o : $(DRIVERS_SRC)gpio.c $(DEP_BSP)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)uart.o : $(DRIVERS_SRC)uart.c $(DEP_BSP)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)watchdog.o : $(DRIVERS_SRC)watchdog.c $(DEP_BSP)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)led.o : $(DRIVERS_SRC)led.c $(DEP_BSP)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)switch.o : $(DRIVERS_SRC)switch.c $(DEP_BSP)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)fpu.o : $(DRIVERS_SRC)fpu.c $(DEP_BSP)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
# Demo application
$(OBJDIR)startup.o : $(APP_SRC)startup.c $(DEP_SETTINGS)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)handlers.o : $(APP_SRC)handlers.c $(DEP_SETTINGS)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)init.o : $(APP_SRC)init.c $(DEP_SETTINGS)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)main.o : $(APP_SRC)main.c $(DEP_SETTINGS)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)wdtask.o : $(APP_SRC)wdtask.c $(DEP_SETTINGS)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)print.o : $(APP_SRC)print.c $(DEP_SETTINGS)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)receive.o : $(APP_SRC)receive.c $(DEP_SETTINGS)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)lightshow.o : $(APP_SRC)lightshow.c $(DEP_SETTINGS)
$(CC) $(CFLAG) $(CFLAGS) $(INC_FLAGS) $< $(OFLAG) $@
$(OBJDIR)nostdlib.o : $(APP_SRC)nostdlib.c
$(CC) $(CFLAG) $(CFLAGS) $< $(OFLAG) $@
# Cleanup directives:
clean_obj :
$(RM) -r $(OBJDIR)
clean_intermediate : clean_obj
$(RM) *.elf
$(RM) *.img
clean : clean_intermediate
$(RM) *.bin
# Short help instructions:
help :
@echo
@echo Valid targets:
@echo - all: builds missing dependencies and creates the target image \'$(IMAGE)\'.
@echo - rebuild: rebuilds all dependencies and creates the target image \'$(IMAGE)\'.
@echo - debug: same as \'all\', also includes debugging symbols to \'$(ELF_IMAGE)\'.
@echo - debug_rebuild: same as \'rebuild\', also includes debugging symbols to \'$(ELF_IMAGE)\'.
@echo - clean_obj: deletes all object files, only keeps \'$(ELF_IMAGE)\' and \'$(IMAGE)\'.
@echo - clean_intermediate: deletes all intermediate binaries, only keeps the target image \'$(IMAGE)\'.
@echo - clean: deletes all intermediate binaries, incl. the target image \'$(IMAGE)\'.
@echo - help: displays these help instructions.
@echo
.PHONY : all rebuild clean clean_intermediate clean_obj debug debug_rebuild _debug_flags help