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nerves_dht

0.1.1
0.1.3 retired 0.1.2 retired 0.1.1 0.1.0

Drive of DHT 11 and DHT 22 (temperature and humidity sensor)

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nerves_dht Makefile
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Makefile 

# Look for the EI library and header files

# For crosscompiled builds, ERL_EI_INCLUDE_DIR and ERL_EI_LIBDIR must be

# passed into the Makefile.

ifeq ($(ERL_EI_INCLUDE_DIR),)

ERL_ROOT_DIR = $(shell erl -eval "io:format(\"~s~n\", [code:root_dir()])" -s init stop -noshell)

ifeq ($(ERL_ROOT_DIR),)

   $(error Could not find the Erlang installation. Check to see that 'erl' is in your PATH)

endif

ERL_EI_INCLUDE_DIR = "$(ERL_ROOT_DIR)/usr/include"

ERL_EI_LIBDIR = "$(ERL_ROOT_DIR)/usr/lib"

endif



# Set Erlang-specific compile and linker flags

ERL_CFLAGS ?= -I$(ERL_EI_INCLUDE_DIR)

ERL_LDFLAGS ?= -L$(ERL_EI_LIBDIR) -lerl_interface -lei



SRC = src/common_dht_read.c

LDFLAGS +=

CFLAGS ?= -O2 -Wall -Wextra -Wno-unused-parameter



ifeq ($(MIX_TARGET), rpi)

	SRC += $(wildcard src/Raspberry_Pi/*.c) src/_Raspberry_Pi_Driver.c

endif



ifeq ($(MIX_TARGET), rpi0)

	SRC += $(wildcard src/Raspberry_Pi/*.c) src/_Raspberry_Pi_Driver.c

endif



ifeq ($(MIX_TARGET), rpi2)

	SRC += $(wildcard src/Raspberry_Pi_2/*.c) src/_Raspberry_Pi_2_Driver.c

endif



ifeq ($(MIX_TARGET), rpi3)

	SRC += $(wildcard src/Raspberry_Pi_2/*.c) src/_Raspberry_Pi_2_Driver.c

endif



ifeq ($(MIX_TARGET), rpi4)

	SRC += $(wildcard src/Raspberry_Pi_2/*.c) src/_Raspberry_Pi_2_Driver.c

endif



ifeq ($(MIX_TARGET), rpi3a)

	SRC += $(wildcard src/Raspberry_Pi_2/*.c) src/_Raspberry_Pi_2_Driver.c

endif



ifeq ($(MIX_TARGET), bbb)

	SRC += $(wildcard src/Beaglebone_Black/*.c) src/_Beaglebone_Black_Driver.c

endif



ifeq ($(MIX_TARGET), host)

	SRC += src/_Host_Driver.c

	CC ?= gcc

else

	CC ?= $(CROSSCOMPILER)-gcc

endif



OBJ = $(SRC:.c=.o)



.PHONY: all clean



all: priv priv/nerves_dht



%.o: %.c

	$(CC) -o $@ $^ -c $(ERL_CFLAGS) $(CFLAGS)



priv:

	mkdir -p priv



priv/nerves_dht: $(OBJ)

	$(CC) $^ -o $@ $(ERL_LDFLAGS) $(LDFLAGS) -lpthread



clean:

	rm -f priv/nerves_dht src/*.o src/**/*.o