Modified Makefile to create a shared library
Modified Makefile to be able to create a shared library. This simplifies the use of that code (used in the example) in other projects. Now, the example provided links against this library as well. Because Raspberry Pi and Jetson differ in hardware, they use different libraries, specific for each platform. So, I have added a simple rule which tells the user to make for one or for the other, instead of making for both. I have added a gitignore that ignores de bin folder, which is not necessary to be under source control. The two binaries, epd (example) and the library are ignored as well. I have modified the Makefile accordingly to be able to create the bin folder. Finally, I have added a little print in the examples' main.c to tell the user to uncomment one of the tests, because by default, the example demo does nothing and do not inform the user.
This commit is contained in:
Berenguer Montserrat
parent
9d5aa995a1
commit
07db82a590
2 changed files with 64 additions and 38 deletions
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@ -4,66 +4,91 @@ DIR_FONTS = ./lib/Fonts
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DIR_GUI = ./lib/GUI
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DIR_Examples = ./examples
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DIR_BIN = ./bin
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DIR_LIB = "$(shell pwd)"
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OBJ_C = $(wildcard ${DIR_EPD}/*.c ${DIR_GUI}/*.c ${DIR_Examples}/*.c ${DIR_FONTS}/*.c )
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OBJ_O = $(patsubst %.c,${DIR_BIN}/%.o,$(notdir ${OBJ_C}))
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RPI_DEV_C = $(wildcard $(DIR_BIN)/dev_hardware_SPI.o $(DIR_BIN)/RPI_sysfs_gpio.o $(DIR_BIN)/DEV_Config.o )
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JETSON_DEV_C = $(wildcard $(DIR_BIN)/sysfs_software_spi.o $(DIR_BIN)/sysfs_gpio.o $(DIR_BIN)/DEV_Config.o )
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SRC_EPD = $(wildcard ${DIR_EPD}/*.c)
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SRC_FONTS = $(wildcard ${DIR_FONTS}/*.c)
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SRC_GUI = $(wildcard ${DIR_GUI}/*.c)
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SRC_Examples = $(wildcard ${DIR_Examples}/*.c)
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SRC_EXAMPLE = ${SRC_Examples}
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SRC_LIB = ${SRC_EPD} ${SRC_FONTS} ${SRC_GUI}
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OBJ_EXAMPLE = $(patsubst %.c,${DIR_BIN}/%.o,$(notdir ${SRC_EXAMPLE}))
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OBJ_LIB = $(patsubst %.c,${DIR_BIN}/%.o,$(notdir ${SRC_LIB}))
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OBJ_DEV_RPI = $(wildcard $(DIR_BIN)/dev_hardware_SPI.o $(DIR_BIN)/RPI_sysfs_gpio.o $(DIR_BIN)/DEV_Config.o )
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OBJ_DEV_JETSON = $(wildcard $(DIR_BIN)/sysfs_software_spi.o $(DIR_BIN)/sysfs_gpio.o $(DIR_BIN)/DEV_Config.o )
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DEBUG = -D DEBUG
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# USELIB_RPI = USE_BCM2835_LIB
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# USELIB_RPI = USE_WIRINGPI_LIB
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USELIB_RPI = USE_DEV_LIB
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# RASPBERRY PI LIBRARIES
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#USELIB_RPI = USE_DEV_LIB
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USELIB_RPI = USE_BCM2835_LIB
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#USELIB_RPI = USE_WIRINGPI_LIB
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LIB_RPI = -lm
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ifeq ($(USELIB_RPI), USE_BCM2835_LIB)
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LIB_RPI = -lbcm2835 -lm
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LIB_RPI += -lbcm2835
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else ifeq ($(USELIB_RPI), USE_WIRINGPI_LIB)
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LIB_RPI = -lwiringPi -lm
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else ifeq ($(USELIB_RPI), USE_DEV_LIB)
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LIB_RPI = -lm
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LIB_RPI += -lwiringPi
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endif
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DEBUG_RPI = -D $(USELIB_RPI) -D RPI
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USELIB_JETSONI = USE_DEV_LIB
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# USELIB_JETSONI = USE_HARDWARE_LIB
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ifeq ($(USELIB_JETSONI), USE_DEV_LIB)
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LIB_JETSONI = -lm
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else ifeq ($(USELIB_JETSONI), USE_HARDWARE_LIB)
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LIB_JETSONI = -lm
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endif
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DEBUG_JETSONI = -D $(USELIB_JETSONI) -D JETSON
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# JETSON NANO LIBRARIES
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USELIB_JETSON = USE_DEV_LIB
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#USELIB_JETSON = USE_HARDWARE_LIB
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LIB_JETSON = -lm
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DEBUG_JETSON = -D $(USELIB_JETSON) -D JETSON
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.PHONY : RPI JETSON clean
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RPI:RPI_DEV RPI_epd
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JETSON: JETSON_DEV JETSON_epd
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all: select_one
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RPI: make_bin_dir RPI_DEV RPI_lib RPI_example
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JETSON: make_bin_dir JETSON_DEV JETSON_lib JETSON_example
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TARGET = epd
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TARGET_example = epd
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TARGET_lib = libepd.so
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CC = gcc
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MSG = -g -O0 -Wall
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CFLAGS += $(MSG)
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CFLAGS += -g -O0 -Wall
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RPI_epd:${OBJ_O}
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echo $(@)
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$(CC) $(CFLAGS) -D RPI $(OBJ_O) $(RPI_DEV_C) -o $(TARGET) $(LIB_RPI) $(DEBUG)
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select_one:
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$(info Use 'make RPI' or 'make JETSON')
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JETSON_epd:${OBJ_O}
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make_bin_dir:
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mkdir -p ${DIR_BIN}
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RPI_lib: make_bin_dir ${OBJ_LIB}
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$(CC) -shared -o ${TARGET_lib} ${OBJ_LIB} ${OBJ_DEV_RPI} ${LIB_RPI}
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JETSON_lib: make_bin_dir ${OBJ_LIB}
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$(CC) -shared -o ${TARGET_lib} ${OBJ_LIB} ${OBJ_DEV_JETSON} ${LIB_JETSON}
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RPI_example: RPI_lib ${OBJ_EXAMPLE}
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echo $(@)
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$(CC) $(CFLAGS) $(OBJ_O) $(JETSON_DEV_C) -o $(TARGET) $(LIB_JETSONI) $(DEBUG)
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$(CC) $(CFLAGS) -D RPI $(OBJ_EXAMPLE) -o $(TARGET_example) $(LIB_RPI) $(DEBUG) -L$(DIR_LIB) -lepd -Wl,-rpath=$(DIR_LIB)
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JETSON_example: JETSON_lib ${OBJ_EXAMPLE}
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echo $(@)
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$(CC) $(CFLAGS) -D JETSON $(OBJ_EXAMPLE) -o $(TARGET_example) $(LIB_JETSON) $(DEBUG) -L$(DIR_LIB) -lepd -Wl,-rpath=$(DIR_LIB)
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${DIR_BIN}/%.o:$(DIR_Examples)/%.c
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$(CC) $(CFLAGS) -c $< -o $@ -I $(DIR_Config) -I $(DIR_GUI) -I $(DIR_EPD) $(DEBUG)
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$(CC) $(CFLAGS) -c $< -o $@ -I $(DIR_Config) -I $(DIR_GUI) -I $(DIR_EPD) $(DEBUG)
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${DIR_BIN}/%.o:$(DIR_EPD)/%.c
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$(CC) $(CFLAGS) -c $< -o $@ -I $(DIR_Config) $(DEBUG)
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$(CC) $(CFLAGS) -c $< -o $@ -I $(DIR_Config) $(DEBUG)
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${DIR_BIN}/%.o:$(DIR_FONTS)/%.c
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$(CC) $(CFLAGS) -c $< -o $@ $(DEBUG)
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$(CC) $(CFLAGS) -c $< -o $@ $(DEBUG)
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${DIR_BIN}/%.o:$(DIR_GUI)/%.c
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$(CC) $(CFLAGS) -c $< -o $@ -I $(DIR_Config) $(DEBUG)
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$(CC) $(CFLAGS) -c $< -o $@ -I $(DIR_Config) $(DEBUG)
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RPI_DEV:
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$(CC) $(CFLAGS) $(DEBUG_RPI) -c $(DIR_Config)/dev_hardware_SPI.c -o $(DIR_BIN)/dev_hardware_SPI.o $(LIB_RPI) $(DEBUG)
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@ -71,11 +96,11 @@ RPI_DEV:
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$(CC) $(CFLAGS) $(DEBUG_RPI) -c $(DIR_Config)/DEV_Config.c -o $(DIR_BIN)/DEV_Config.o $(LIB_RPI) $(DEBUG)
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JETSON_DEV:
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$(CC) $(CFLAGS) $(DEBUG_JETSONI) -c $(DIR_Config)/sysfs_software_spi.c -o $(DIR_BIN)/sysfs_software_spi.o $(LIB_JETSONI) $(DEBUG)
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$(CC) $(CFLAGS) $(DEBUG_JETSONI) -c $(DIR_Config)/sysfs_gpio.c -o $(DIR_BIN)/sysfs_gpio.o $(LIB_JETSONI) $(DEBUG)
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$(CC) $(CFLAGS) $(DEBUG_JETSONI) -c $(DIR_Config)/DEV_Config.c -o $(DIR_BIN)/DEV_Config.o $(LIB_JETSONI) $(DEBUG)
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$(CC) $(CFLAGS) $(DEBUG_JETSON) -c $(DIR_Config)/sysfs_software_spi.c -o $(DIR_BIN)/sysfs_software_spi.o $(LIB_JETSON) $(DEBUG)
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$(CC) $(CFLAGS) $(DEBUG_JETSON) -c $(DIR_Config)/sysfs_gpio.c -o $(DIR_BIN)/sysfs_gpio.o $(LIB_JETSON) $(DEBUG)
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$(CC) $(CFLAGS) $(DEBUG_JETSON) -c $(DIR_Config)/DEV_Config.c -o $(DIR_BIN)/DEV_Config.o $(LIB_JETSON) $(DEBUG)
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clean :
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rm $(DIR_BIN)/*.*
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rm $(TARGET)
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rm -rf $(DIR_BIN)
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rm -f $(TARGET_example) $(TARGET_lib)
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@ -15,8 +15,9 @@ int main(void)
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{
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// Exception handling:ctrl + c
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signal(SIGINT, Handler);
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printf("Uncomment the test you want to run in examples/main.c\n");
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// EPD_1in54_test();
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EPD_1in54_test();
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// EPD_1in54_V2_test();
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// EPD_1in54b_test();
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// EPD_1in54c_test();
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