multi-app based on nrf52sdk

Makefile

@@ -1,8 +1,8 @@
 .DEFAULT_GOAL := all
 
-APPLICATION ?= button
+APPLICATION ?= blinky
 
-PLATFORM ?= posix
+PLATFORM ?= nrf52
 TARGET_FILE ?= $(APPLICATION).elf
 
 CC = $(CROSS_COMPILE)gcc
@@ -27,6 +27,7 @@ TARGET_PACKAGE = $(patsubst %.hex,%.zip,$(TARGET_HEX))
 THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
 
 INCLUDES += include/
+INCLUDES += include/application/$(APPLICATION)
 
 OPT = 3
 C_FLAGS += -O$(OPT) -g$(OPT)
@@ -35,7 +36,7 @@ C_FLAGS += -ffunction-sections -fdata-sections -fno-strict-aliasing
 
 LIBS += c nosys m
 
-include Makefile.$(PLATFORM)
+include config/build/$(PLATFORM)/$(APPLICATION)/Makefile.$(APPLICATION)
 
 .PHONY: all install uninstall clean distclean debug
 all: $(TARGET)
@@ -59,11 +60,11 @@ $(TARGET_HEX): $(TARGET) $(THIS_MAKEFILE)
 	$(OBJCOPY) -O ihex $(TARGET) $(TARGET_HEX)
 	ln -sf $(shell pwd)/$@ $(shell pwd)/bin/firmware.hex
 
-$(OBJ_DIR)/%.d: $(SRC_DIR)/%.c
+$(OBJ_DIR)/%.d: $(SRC_DIR)/%.c $(THIS_MAKEFILE)
 	@mkdir -p $(dir $@)
 	$(CPP) -MM -MF $@ -MP -MT $(patsubst %.d,%.o,$@) $(C_FLAGS) $(CPP_FLAGS) $(patsubst $(OBJ_DIR)/%.d,$(SRC_DIR)/%.c,$@)
 
-$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(THIS_MAKEFILE)
 	@mkdir -p $(dir $@)
 	$(CC) -c $(CPP_FLAGS) $(C_FLAGS) $< -o $@