基础API接口详解
API有：
IOT_OpenLogIOT_CloseLogIOT_SetLogLevelIOT_DumpMemoryStatsIOT_SetupConnInfoIOT_Ioctl
文档链接： /edward.yangx/public-docs/wikis/user-guide/linkkit/Prog_Guide/API/Basic_Provides
MQTT上云API详解
API有：
IOT_MQTT_ConstructIOT_MQTT_DestroyIOT_MQTT_YieldIOT_MQTT_CheckStateNormalIOT_MQTT_SubscribeIOT_MQTT_Subscribe_SyncIOT_MQTT_UnsubscribeIOT_MQTT_PublishIOT_MQTT_Publish_Simple
文档链接： /edward.yangx/public-docs/wikis/user-guide/linkkit/Prog_Guide/API/MQTT_Provides
MQTT相关HAL接口详解
HAL_SSL_DestroyHAL_SSL_EstablishHAL_SSL_ReadHAL_SSL_WriteHAL_TCP_DestroyHAL_TCP_EstablishHAL_TCP_ReadHAL_TCP_Write文档链接： /edward.yangx/public-docs/wikis/user-guide/linkkit/Prog_Guide/HAL/MQTT_Requires
