This open source framework aim at:

• Easy to port embeded RTOS to the appliaction
• Easy to port any MCU platform to the application

• common --- base type defination
• hardware/board --- MCU BSP
• hal --- hardware abstract layer
• middleware --- the encapsulation of RTOS's API
• modules/drivers --- device drivers
• modules/crypto --- encryption and decryption utility
• project --- ide project files
• thirdparty --- third-party open source library

• board_config.h --- pin define and feature control
• os_config.h --- os feature control