描述：修复交叉编译时，samples 不能被编译通过的问题。

.clang-format

@@ -0,0 +1,10 @@
+BasedOnStyle: Google
+BreakBeforeBraces: Linux
+AlignConsecutiveDeclarations: true
+AlignConsecutiveMacros: true
+AlignConsecutiveAssignments: true
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: false
+SortIncludes: false
+IndentWidth: 4
+ColumnLimit: 120

.gitignore

@@ -1,18 +1,20 @@
 /.idea/
 ./build/
+/build
 *.o
 *.a
 /*.cproject
 /*.autotools
 /.project
 /output
-/sdk-tests/unit_test/unit_test.BASE
-/sdk-tests/unit_test/unit_test.LOCAL
-/sdk-tests/unit_test/unit_test.REMOTE
 .DS_Store
 *.DS_Store
 *.crt
 *.key
 sdk-tests/certs/unittest_private.key
 sdk-tests/certs/unittest_private.key
-.vscode/settings.json
+/.vscode/settings.json
+/.vs
+upload-fail-save.log
+local_fw_info.json
+ota.bin

CMakeLists.txt

@@ -0,0 +1,211 @@
+# 项目信息
+project (QCloud_IoT_SDK C)
+
+# CMake 最低版本号要求
+cmake_minimum_required (VERSION 3.5)
+
+######################CONFIG BEGIN####################################
+# 编译类型: release/debug
+set(BUILD_TYPE "release")
+
+# 代码抽取，ON表示根据配置抽取源码到ouput/qcloud_iot_c_sdk目录
+set(EXTRACT_SRC OFF)
+
+# 编译工具链
+set(COMPILE_TOOLS "gcc")
+set(CMAKE_C_COMPILER $ENV{CROSS_COMPILE}gcc)
+set(PLATFORM 	  "linux")
+
+#set(COMPILE_TOOLS "MSVC") 
+#set(PLATFORM 	  "windows") 
+
+# 是否打开MQTT通道的总开关
+set(FEATURE_MQTT_COMM_ENABLED ON)
+
+# 是否打开设备影子的总开关
+set(FEATURE_MQTT_DEVICE_SHADOW ON)
+
+# 是否打开CoAP通道的总开关
+set(FEATURE_COAP_COMM_ENABLED OFF)
+
+# 是否打开MQTT通道网关功能
+set(FEATURE_GATEWAY_ENABLED ON)
+
+# 是否打开OTA固件升级总开关
+set(FEATURE_OTA_COMM_ENABLED ON)
+
+# OTA信令通道类型：MQTT/COAP
+set(FEATURE_OTA_SIGNAL_CHANNEL "MQTT")
+
+# MQTT/CoAP接入认证方式，使用证书认证：CERT；使用密钥认证：KEY
+set(FEATURE_AUTH_MODE "KEY")
+
+# 接入认证是否不使用TLS，证书方式必须选择使用TLS，密钥认证可选择不使用TLS
+set(FEATURE_AUTH_WITH_NOTLS OFF)
+
+# 是否打开多线程功能支持
+set(FEATURE_MULTITHREAD_ENABLED ON)
+
+# 是否使能设备动态注册
+set(FEATURE_DEV_DYN_REG_ENABLED ON)
+
+# 是否打开日志上报云端功能
+set(FEATURE_LOG_UPLOAD_ENABLED OFF)
+
+# 是否打开代码中获取设备信息功能，OFF时将从device_info.json中读取设备信息
+set(FEATURE_DEBUG_DEV_INFO_USED OFF)
+
+# 是否打开获取iot后台时间功能
+set(FEATURE_SYSTEM_COMM_ENABLED ON)
+
+# 是否使用HTTPS下载固件
+set(FEATURE_OTA_USE_HTTPS ON)
+
+# 是否打开AT模组TCP功能
+set(FEATURE_AT_TCP_ENABLED OFF)
+
+# 设置AT模组设备（目前只支持esp8266）
+set(AT_DEVICE_NAME "esp8266")
+
+# 是否打开AT模组中断接收功能
+set(FEATURE_AT_UART_RECV_IRQ OFF)
+
+# 是否打开AT模组多线程功能
+set(FEATURE_AT_OS_USED ON)
+
+# 是否打开AT模组调试功能
+set(FEATURE_AT_DEBUG OFF)
+
+# 是否打开广播功能
+set(FEATURE_BROADCAST_ENABLED ON)
+
+# 是否打开RRPC功能
+set(FEATURE_RRPC_ENABLED ON)
+
+# 是否打开远程配置功能
+set(FEATURE_REMOTE_CONFIG_MQTT_ENABLED ON)
+
+######################CONFIG END######################################
+
+# 设置CMAKE使用编译工具及编译选项
+if (PLATFORM STREQUAL "linux" AND COMPILE_TOOLS  STREQUAL "gcc")
+	if(${BUILD_TYPE} STREQUAL  "release")
+		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -Wall -Wno-error=sign-compare -Wno-error=format -Os -pthread") # 编译选项
+	elseif(${BUILD_TYPE} STREQUAL  "debug")
+		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -Werror -Wall -Wno-error=sign-compare -Wno-error=format -Os -pthread") # 编译选项
+	endif()
+elseif (PLATFORM STREQUAL "windows" AND COMPILE_TOOLS STREQUAL "MSVC")
+	# 去除相应的警告
+	add_definitions(-D_CRT_SECURE_NO_WARNINGS -D_WINSOCK_DEPRECATED_NO_WARNINGS -D_USE_32BIT_TIME_T)
+	if(CMAKE_C_FLAGS MATCHES "/W[0-4]")
+		string(REGEX REPLACE "/W[0-4]" "/W2" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
+	else()
+		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W2")
+	endif()
+else ()
+	#用户自定义
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -Wall -Wno-error=sign-compare -Wno-error=format -Os") 				   # 编译选项
+	message(WARNING "User defined platform or compile tools!")
+endif()
+
+# 解析配置
+if(${BUILD_TYPE} STREQUAL  "release")
+	option(IOT_DEBUG "Enable IOT_DEBUG" OFF)
+elseif(${BUILD_TYPE} STREQUAL  "debug")
+	option(IOT_DEBUG "Enable IOT_DEBUG" ON)
+else()
+	message(FATAL_ERROR "INVAILD BUILD_TYPE:${BUILD_TYPE}!")
+endif()
+
+if(${FEATURE_AUTH_MODE} STREQUAL  "KEY")
+	option(AUTH_MODE_KEY "Enable AUTH_MODE_KEY" ON)
+	option(AUTH_MODE_CERT "Enable AUTH_MODE_CERT" OFF)
+elseif(${FEATURE_AUTH_MODE} STREQUAL  "CERT" AND ${FEATURE_AUTH_WITH_NOTLS} STREQUAL "OFF")
+	option(AUTH_MODE_KEY "Enable AUTH_MODE_KEY" OFF)
+	option(AUTH_MODE_CERT "Enable AUTH_MODE_CERT" ON)
+	option(AUTH_WITH_NOTLS "Enable AUTH_WITH_NOTLS" OFF)
+else()
+	message(FATAL_ERROR "INVAILD AUTH_MODE:${FEATURE_AUTH_MODE} WITH AUTH_WITH_NOTLS:${FEATURE_AUTH_WITH_NOTLS}!")
+endif()
+
+if(${FEATURE_OTA_COMM_ENABLED} STREQUAL "ON")
+	if(${FEATURE_OTA_SIGNAL_CHANNEL} STREQUAL "MQTT" AND ${FEATURE_MQTT_COMM_ENABLED} STREQUAL "ON" )
+		option(OTA_MQTT_CHANNEL "Enable TA_MQTT_CHANNEL" ON)
+	elseif(${FEATURE_OTA_SIGNAL_CHANNEL} STREQUAL "COAP" AND ${FEATURE_COAP_COMM_ENABLED} STREQUAL "ON")
+		option(OTA_MQTT_CHANNEL "Enable TA_MQTT_CHANNEL" OFF)
+	else()
+		message(FATAL_ERROR "INVAILD OTA_SIGNAL_CHANNEL:${FEATURE_OTA_SIGNAL_CHANNEL} OR DISABLED OTA_COMM, MQTT_COMM, COAP_COMM!")
+	endif()
+endif()
+
+option(GATEWAY_ENABLED "Enable GATEWAY" ${FEATURE_GATEWAY_ENABLED})
+option(AUTH_WITH_NOTLS "Enable AUTH_WITH_NOTLS" ${FEATURE_AUTH_WITH_NOTLS})
+option(COAP_COMM_ENABLED "Enable COAP_COMM" ${FEATURE_COAP_COMM_ENABLED})
+option(SYSTEM_COMM "Enable SYSTEM_COMM" ${FEATURE_SYSTEM_COMM_ENABLED})
+option(MULTITHREAD_ENABLED "Enable Multi-thread support" ${FEATURE_MULTITHREAD_ENABLED})
+option(DEV_DYN_REG_ENABLED "Enable DEV_DYN_REG" ${FEATURE_DEV_DYN_REG_ENABLED})
+option(LOG_UPLOAD "Enable LOG_UPLOAD" ${FEATURE_LOG_UPLOAD_ENABLED})
+option(DEBUG_DEV_INFO_USED "Enable DEBUG_DEV_INFO_USED" ${FEATURE_DEBUG_DEV_INFO_USED})
+option(OTA_USE_HTTPS "Enable OTA_USE_HTTPS" ${FEATURE_OTA_USE_HTTPS})
+option(AT_TCP_ENABLED "Enable AT_TCP" ${FEATURE_AT_TCP_ENABLED})
+option(BROADCAST_ENABLED "Enable BROADCAST" ${FEATURE_BROADCAST_ENABLED})
+option(RRPC_ENABLED "Enable RRPC" ${FEATURE_RRPC_ENABLED})
+option(REMOTE_CONFIG_MQTT "Enable REMOTE_CONFIG_MQTT" ${FEATURE_REMOTE_CONFIG_MQTT_ENABLED})
+
+if(AT_TCP_ENABLED STREQUAL "ON")
+	option(AT_UART_RECV_IRQ "Enable AT_UART_RECV_IRQ" ${FEATURE_AT_UART_RECV_IRQ})
+	option(AT_OS_USED "Enable AT_UART_RECV_IRQ" ${FEATURE_AT_OS_USED})
+	option(AT_DEBUG "Enable AT_DEBUG" ${FEATURE_AT_DEBUG})
+else()
+	option(AT_UART_RECV_IRQ "Enable AT_UART_RECV_IRQ" OFF)
+	option(AT_OS_USED "Enable AT_UART_RECV_IRQ" OFF)
+	option(AT_DEBUG "Enable AT_DEBUG" OFF)
+endif()
+
+configure_file (
+  "${PROJECT_SOURCE_DIR}/tools/cmake_scripts/config.h.in"
+  "${PROJECT_SOURCE_DIR}/include/config.h" 
+  @ONLY
+)
+
+# 头文件目录
+include_directories(${PROJECT_SOURCE_DIR}/include 
+					${PROJECT_SOURCE_DIR}/include/exports 
+					${PROJECT_SOURCE_DIR}/platform/at_device/esp8266 
+					${PROJECT_SOURCE_DIR}/sdk_src/internal_inc
+					${PROJECT_SOURCE_DIR}/external_libs/mbedtls/include)
+
+file(GLOB src_include ${PROJECT_SOURCE_DIR}/include/*.h)
+file(GLOB src_inc_export ${PROJECT_SOURCE_DIR}/include/exports/*.h)
+file(COPY ${src_include} DESTINATION ${PROJECT_SOURCE_DIR}/output/${BUILD_TYPE}/include)
+file(COPY ${src_inc_export} DESTINATION ${PROJECT_SOURCE_DIR}/output/${BUILD_TYPE}/include/exports)
+
+if(${EXTRACT_SRC} STREQUAL  "ON" AND  NOT DEFINED SAMPLE_ONLY)
+	file(GLOB src_internal_inc ${PROJECT_SOURCE_DIR}/sdk_src/internal_inc/*.h)
+	file(COPY ${src_include} DESTINATION ${PROJECT_SOURCE_DIR}/output/qcloud_iot_c_sdk/include)
+	file(COPY ${src_inc_export} DESTINATION ${PROJECT_SOURCE_DIR}/output/qcloud_iot_c_sdk/include/exports)
+	file(COPY ${src_internal_inc} DESTINATION ${PROJECT_SOURCE_DIR}/output/qcloud_iot_c_sdk/sdk_src/internal_inc)
+
+	if(AT_TCP_ENABLED STREQUAL "ON")
+		file(GLOB src_at_inc ${PROJECT_SOURCE_DIR}/platform/at_device/${AT_DEVICE_NAME}/*.h)
+		file(COPY ${src_at_inc} DESTINATION ${PROJECT_SOURCE_DIR}/output/qcloud_iot_c_sdk/platform)
+	endif()
+endif()
+
+# 添加源代码目录
+if(NOT DEFINED SAMPLE_ONLY)
+	add_subdirectory(${PROJECT_SOURCE_DIR}/sdk_src)
+	add_subdirectory(${PROJECT_SOURCE_DIR}/platform)
+	add_subdirectory(${PROJECT_SOURCE_DIR}/external_libs/mbedtls)
+endif()
+
+add_subdirectory(${PROJECT_SOURCE_DIR}/samples)
+if(SAMPLE_ONLY STREQUAL "ON")
+	message(STATUS  "Only compile samples!")
+endif()
+
+# 证书及设备信息
+if(NOT DEFINED SAMPLE_ONLY)
+	file(COPY ${PROJECT_SOURCE_DIR}/certs DESTINATION ${PROJECT_SOURCE_DIR}/output/${BUILD_TYPE}/bin)
+	file(COPY ${PROJECT_SOURCE_DIR}/device_info.json DESTINATION ${PROJECT_SOURCE_DIR}/output/${BUILD_TYPE}/bin)
+endif()

CMakeSettings.json

@@ -0,0 +1,17 @@
+{
+  "configurations": [
+    {
+      "name": "x86-Debug",
+      "generator": "Ninja",
+      "configurationType": "Debug",
+      "inheritEnvironments": [
+        "msvc_x86"
+      ],
+      "buildRoot": "${projectDir}\\build\\${name}",
+      "installRoot": "${projectDir}\\build\\install\\${name}",
+      "cmakeCommandArgs": "",
+      "buildCommandArgs": "-v",
+      "ctestCommandArgs": ""
+    }
+  ]
+}