This is an example of BLE GATT Client, which receives broadcast data from BLE_Server_BME280 ( a GATT server) , then transfers values up to mbed Device Connector (cloud).

Please refer details about BLEClient_mbedDevConn below. https://github.com/soramame21/BLEClient_mbedDevConn

The location of required BLE GATT server, BLE_Server_BME280, is at here. https://developer.mbed.org/users/edamame22/code/BLE_Server_BME280/

Revision:
0:29983394c6b6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-client/test/lwm2mtestapplication/Makefile	Thu Apr 13 04:48:11 2017 +0000
@@ -0,0 +1,101 @@
+# Makefile for LWM2M Test Application
+#
+# Define compiler toolchain with PLATFORM variable
+# Example
+# make PLATFORM=arm-linux-gnueabi-
+#
+
+ROOT := ../../../..
+LWM2M_ROOT := $(ROOT)/lwm2m
+ROUTER_ROOT := $(ROOT)/Applications/NanoRouter
+
+VERSION := $(shell cd $(ROOT) && git describe --tags --long --dirty --always)
+
+# Specify list of sources to build
+LWM2M_SRC := \
+	main.cpp \
+	cmd_commands.cpp \
+	cmd_lwm2m.cpp \
+	lwm2mtest.cpp \
+
+CXX_SRCS += $(LWM2M_SRC)
+
+HAL_SRCS += \
+	linux/arm_hal_interrupt.c \
+	linux/arm_hal_timer.c \
+	linux/ccm_mutex.c \
+
+SRCS += $(addprefix $(ROOT)/Platforms/,$(HAL_SRCS))
+
+EXE = lwm2mtestapplication
+
+override CFLAGS += -DENDPOINT -DUSE_LINUX
+override CFLAGS += -Wall -Wextra
+override CFLAGS += -g
+override CFLAGS += -pthread
+override CFLAGS += -std=gnu99
+override CFLAGS += -D'MEM_ALLOC=malloc' -D'MEM_FREE=free'
+
+override CFLAGS += -DVERSION='"$(VERSION)"'
+
+override CXXFLAGS += -I$(ROOT) -I$(NSDL_DIR)/nsdl-c -I$(LIBSERVICE_DIR)/libService -I$(ROOT)/nanostack/nanostack -I$(ROOT)/event-loop/nanostack-event-loop
+override CXXFLAGS += -I$(LWM2M_ROOT) -I$(LWM2M_ROOT)/lwm2m-client
+override CXXFLAGS += -DTARGET_LIKE_LINUX
+override CXXFLAGS += -DHAVE_DEBUG
+override CXXFLAGS += -g
+# Generate dependency files when building
+override CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.d)"
+
+# Build with coverage
+ifeq ($(COVERAGE), 1)
+override CFLAGS += --coverage
+override CXXFLAGS += --coverage
+endif
+
+#
+# Libraries
+#
+NSDL_DIR := $(ROOT)/nsdl-c
+LWM2M_DIR := $(ROOT)/lwm2m/lwm2m-client
+MBEDTLS_DIR := $(ROOT)/mbedtls/library
+LIBSERVICE_DIR := $(ROOT)/libService
+override CFLAGS += -I$(ROOT) -I$(NSDL_DIR)/nsdl-c -I$(LIBSERVICE_DIR)/libService -I$(ROOT)/nanostack/nanostack -I$(ROOT)/event-loop/nanostack-event-loop
+override CFLAGS += -I$(ROOT)/nanostack/Core/include -I$(ROOT)/Platforms/linux/include -I$(ROOT)/nanostack/HAL/common
+override CFLAGS += -I$(ROUTER_ROOT)/include
+override CFLAGS += -I$(ROOT)/Platforms/linux/include -I$(ROOT)/Drivers/linux -I$(ROOT)/Boards/linux
+LDFLAGS += -D_REENTRANT
+LDFLAGS += -L$(ROOT)/event-loop -leventOS_gcc
+LDFLAGS += -L$(LWM2M_DIR) -lmbedclient_gcc
+LDFLAGS += -L$(NSDL_DIR) -lnsdl_gcc
+LDFLAGS += -L$(LIBSERVICE_DIR) -lCmdline_gcc -lservice_gcc
+LDFLAGS += -L$(MBEDTLS_DIR) -lmbedtls -lmbedx509 -lmbedcrypto
+LDFLAGS += -lpthread
+
+
+# Main build goal, specify here before dependecy parsing
+.DEFAULT_GOAL: all
+.PHONY: all
+all: $(EXE)
+
+# Create a list of objects and depencies to build
+OBJS := $(SRCS:.c=.o)
+CXX_OBJS := $(CXX_SRCS:.cpp=.o)
+DEPS += $$(SRCS:.c=.d) $$(CXX_SRCS:.cpp=.d) 
+
+# Include depencies
+ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(strip $(DEPS)),)
+-include $(DEPS)
+endif
+endif
+
+# Linking
+$(EXE): $(OBJS) $(CXX_OBJS)
+	@echo 'Building target: $@'
+	g++ $(CXXFLAGS) $(CFLAGS) -o $@ $(OBJS) $(CXX_OBJS) $(LDFLAGS)
+	@echo 'Finished building target: $@'
+	@echo ' '
+
+.PHONY: clean
+clean:
+	-$(RM) $(OBJS) $(CXX_OBJS) $(DEPS) $(EXE)