Support Tizen RT

Signed-off-by: Boojin Kim <boojin.kim@samsung.com>

build_all/tizenRT/Make.defs

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+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+
+AZURE_CLIENT_DIR = $(AZURE_DIR)/iothub_client
+AZURE_SERIAL_DIR = $(AZURE_DIR)/serializer
+AZURE_UTIL_DIR = $(AZURE_DIR)/c-utility
+
+CSRCS += $(AZURE_DIR)/certs/certs.c
+CSRCS += $(AZURE_DIR)/parson/parson.c
+
+CSRCS += $(AZURE_CLIENT_DIR)/src/blob.c	$(AZURE_CLIENT_DIR)/src/iothub_client.c	\
+$(AZURE_CLIENT_DIR)/src/iothub_message.c $(AZURE_CLIENT_DIR)/src/iothubtransport.c \
+$(AZURE_CLIENT_DIR)/src/iothub_client_ll.c $(AZURE_CLIENT_DIR)/src/iothubtransporthttp.c	\
+$(AZURE_CLIENT_DIR)/src/version.c $(AZURE_CLIENT_DIR)/src/iothub_client_ll_uploadtoblob.c
+
+CSRCS += $(AZURE_UTIL_DIR)/src/base64.c $(AZURE_UTIL_DIR)/src/buffer.c  \
+$(AZURE_UTIL_DIR)/src/connection_string_parser.c $(AZURE_UTIL_DIR)/src/consolelogger.c  \
+$(AZURE_UTIL_DIR)/src/constbuffer.c $(AZURE_UTIL_DIR)/src/constmap.c	\
+$(AZURE_UTIL_DIR)/src/crt_abstractions.c $(AZURE_UTIL_DIR)/src/doublylinkedlist.c	\
+$(AZURE_UTIL_DIR)/src/gballoc.c $(AZURE_UTIL_DIR)/src/gb_stdio.c        \
+$(AZURE_UTIL_DIR)/src/gb_time.c	$(AZURE_UTIL_DIR)/src/hmac.c  \
+$(AZURE_UTIL_DIR)/src/hmacsha256.c $(AZURE_UTIL_DIR)/src/httpapiex.c     \
+$(AZURE_UTIL_DIR)/src/httpapiexsas.c $(AZURE_UTIL_DIR)/src/httpheaders.c	\
+$(AZURE_UTIL_DIR)/src/map.c $(AZURE_UTIL_DIR)/src/optionhandler.c  \
+$(AZURE_UTIL_DIR)/src/sastoken.c $(AZURE_UTIL_DIR)/src/sha1.c	\
+$(AZURE_UTIL_DIR)/src/sha224.c $(AZURE_UTIL_DIR)/src/sha384-512.c    \
+$(AZURE_UTIL_DIR)/src/singlylinkedlist.c $(AZURE_UTIL_DIR)/src/strings.c	\
+$(AZURE_UTIL_DIR)/src/string_tokenizer.c $(AZURE_UTIL_DIR)/src/urlencode.c   \
+$(AZURE_UTIL_DIR)/src/usha.c $(AZURE_UTIL_DIR)/src/vector.c $(AZURE_UTIL_DIR)/src/xlogging.c	\
+$(AZURE_UTIL_DIR)/src/xio.c
+
+CSRCS += $(AZURE_UTIL_DIR)/adapters/agenttime.c	$(AZURE_UTIL_DIR)/adapters/condition_pthreads.c  \
+$(AZURE_UTIL_DIR)/adapters/threadapi_pthreads.c $(AZURE_UTIL_DIR)/adapters/lock_pthreads.c  \
+$(AZURE_UTIL_DIR)/adapters/platform_tizenrt.c $(AZURE_UTIL_DIR)/adapters/uniqueid_linux.c	\
+$(AZURE_UTIL_DIR)/adapters/socketio_berkeley.c $(AZURE_UTIL_DIR)/adapters/tlsio_mbedtls.c	\
+$(AZURE_UTIL_DIR)/adapters/tickcounter_linux.c $(AZURE_UTIL_DIR)/adapters/httpapi_compact.c
+
+CSRCS += $(wildcard $(AZURE_SERIAL_DIR)/src/*.c)
+
+ifeq ($(CONFIG_CLOUD_AZURE_SAMPLES),y)
+CSRCS += $(AZURE_CLIENT_DIR)/samples/iothub_client_sample_http/iothub_client_sample_http.c
+CSRCS += $(AZURE_SERIAL_DIR)/samples/simplesample_http/simplesample_http.c
+endif
+
+CFLAGS += -I$(AZURE_DIR)/c-utility/inc -I$(AZURE_DIR)/serializer/inc	\
+	  -I$(AZURE_DIR)/iothub_client/inc -I$(AZURE_DIR)/parson -I$(AZURE_DIR)/certs
+CFLAGS += -DWITH_POSIX -DTIZENRT -DMBED_BUILD_TIMESTAMP -DUSE_MBED_TLS -std=c99 -w

build_all/tizenRT/Makefile

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+-include $(TOPDIR)/Make.defs
+
+DEPPATH = --dep-path .
+VPATH = .
+CSRCS =
+
+AZURE_DIR = ${shell pwd}/../..
+
+include Make.defs
+
+COBJS = $(CSRCS:.c=$(OBJEXT))
+
+OBJS = $(COBJS)
+
+BIN = libazure$(LIBEXT)
+
+all:	$(BIN)
+
+$(COBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+$(BIN): $(OBJS)
+	$(call ARCHIVE, $@, $(OBJS))
+
+.depend: Makefile $(SRCS)
+	$(Q) $(MKDEP) $(DEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >Make.dep
+	$(Q) touch $@
+
+depend: .depend
+
+clean:
+	$(call DELFILE, $(BIN))
+	$(call CLEAN, $(AZURE_DIR))
+
+distclean: clean
+	$(call DELFILE, Make.dep)
+	$(call DELFILE, .depend)
+
+-include Make.dep

doc/tizenRT_s5jt200_get_started.md

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+Run a simple C sample on s5tj200 device running Tizen RT
+---
+
+# Table of Contents
+
+-   [Introduction](#Introduction)
+-   [Step 1: Prerequisites](#Step-1-Prerequisites)
+-   [Step 2: Prepare your Device](#Step-2-PrepareDevice)
+-   [Step 3: Build and Run the Sample](#Step-3-Build)
+
+<a name="Introduction"></a>
+# Introduction
+
+**About this document**
+
+This document describes the steps for connecting an [Tizen RT-enabled s5jt200](http://www.samsung.com/semiconductor/minisite/Exynos/w/) device to Azure IoT Hub. This multi-step process includes:
+-   Configuring Azure IoT Hub
+-   Registering your IoT device
+-   Build and deploy Azure IoT SDK on device
+
+<a name="Step-1-Prerequisites"></a>
+# Step 1: Prerequisites
+
+You should have the following items ready before beginning the process:
+
+- Prepare [azure-iot-sdk-c](https://github.com/Azure/azure-iot-sdk-c) to MS Azure IoT services
+- [Setup your IoT hub](https://github.com/Azure/azure-iot-sdks/blob/master/doc/setup_iothub.md)
+- [Provision your device and get its credentials](https://github.com/Azure/azure-iot-sdks/blob/master/doc/manage_iot_hub.md)
+
+<a name="Step-2-PrepareDevice"></a>
+# Step 2: Prepare your Device
+
+s5jt200 is a IoT device with Wi-Fi connectivity. s5jt200 can communicate Azure IoThub with Wi-Fi connection.
+
+-   Prepare [SIDK_S5JT200](http://meritech.co.kr/eng/products/ap_dp.php) HW platform  with s5jt200
+-   Prepare [Software and development environment](https://git.tizen.org/cgit/rtos/tinyara/)
+
+After unboxing your HW platform, Please do the followings:
+
+- Install the [ARM compile toolchain](https://launchpad.net/gcc-arm-embedded/4.9/4.9-2015-q3-update) and add your environment about cross compiler path likes
+```ruby
+export CROSSDEV=/toolchain/gcc-arm-none-eabi-4_9-2015q3/bin/arm-none-eabi-
+```
+
+- Get source cdoe in your machine.
+```ruby
+git clone git://git.tizen.org/rtos/tinyara
+```
+
+- Config and compile for SIDK_S5JT200.
+```ruby
+cd tinyara/os/tools
+./configure.sh sidk_s5jt200/sidk_tash
+cd ..
+make
+```
+
+- Install OpenOCD and FTDI chip drivers.
+When you first connect sidk board using USB , there isn’t correct driver.You need to install FT2232 IC driver following below instruction.
+    - Copy openocd directory (build\configs\sidk_s5jt200\openocd) to your windows PC.
+    - Install FTDI chip drivers for your environment.
+    - If you properly install the driver, then you can see USB Serial Port on windows device manager.
+
+    ![usbport](media/tizenRT4.png).
+
+<a name="Step-3-Build"></a>
+# Step3: Build and Fusing the samples
+
+## Build Tizen RT with azure-iot-sdk-c
+
+- Download the azure-iot-sdk-c.
+```ruby
+git clone --recursive https://github.com/Azure/azure-iot-sdk-c.git
+cd azure-iot-sdk-c
+git submodule init
+git submodule update
+```
+- Open iothub_client/samples/iothub_client_sample_http/iothub_client_sample_http.c on azure-iot-sdk-c and replace "[device connection string]" with the device connection string that you obtained in Step 1.
+
+- Configure Tizen RT to support Azure cloud with 'make menuconfig'.
+```ruby
+cd tinyara/os
+make menuconfig
+```
+
+  - Set your azure-iot-sdk-c path.
+    - Go to 'Build Configuration' and set your azure-iot-sdk-c path on 'cloud directory'.
+
+      ![setpath](media/tizenRT1.png)
+
+  - Enable azure-iot-sdk-c.
+    - Go to 'Application Configuration' and select 'cloud'.
+    - If you want to run Azure samples like iothub_client_sample_http and simplesample_http, select 'Azure cloud samples'.
+
+      ![enablecloud](media/tizenRT2.png)
+
+  - Enable built-in cloud application.
+    - Go to 'Application Configuration' and 'Examples' and select 'cloud test'.
+    - If you want to run Azure samples with sensor devices on HW platform, select 'cloud test with sensor'. And then write the device connection string that you obtained in Step 1 on 'azure device connection string'
+
+      ![enablecloud](media/tizenRT3.png)
+
+- Execute 'make' after configuration. Then you can see libazure.a on os/libraries directory.
+
+## Fusing OS image
+
+- Plug the USB cable on board.
+You can check two USB serial ports. First port is for USB download and second port is for serial.
+- Execute flash.bat on openocd directory. It erases flash memory and writes new image.
+
+ ![pusing](media/tizenRT7.png)
+
+## Run samples
+- Execute console application likes putty. Configure it with 115200 baud rate and then run it with serial session.
+
+ ![putty](media/tizenRT5.png)
+
+- Reset board and write 'cloud azure-iothub-client' on console application to run azure sample.
+
+ ![exec](media/tizenRT8.png)