蓝牙bluez学习（1） Stack Architecture

Bluez支持的features

• Core Specification 4.2 (GAP, L2CAP, RFCOMM, SDP, GATT)
  
  • Classic Bluetooth (BR/EDR)
  • Bluetooth Smart (Low Energy)
• Audio and media (A2DP, AVRCP)
• Telephony (HFP, HSP)
• Networking (PAN, 6LoWPAN)
• Input device (HID, HoG)
• OBEX (FTP, OPP, MAP, PBAP)
• Others

协议栈Architecture

内核部分

• Low level protocols (L2CAP, RFCOMM, BNEP, HIDP, etc)
• Security (SSP, SMP)
• Hardware drivers
• Provides socket based interfaces to user space
  
  • For data (L2CAP, RFCOMM, SCO, HCI)
  • For control (MGMT, HCI, BNEP, HIDP)