HCI Commands

OGF	Op-code range	Command group
`0x00`	`0x0000`	No operation
`0x01`	`0x0400`...`0x07FF`	Link control
`0x02`	`0x0800`...`0x0BFF`	Link policy
`0x03`	`0x0C00`...`0x0FFF`	Host controller and baseband
`0x04`	`0x1000`...`0x13FF`	Informational parameters
`0x05`	`0x1400`...`0x17FF`	Status parameters
`0x06`	`0x1800`...`0x1BFF`	Testing
\|	\|
`0x3E`	`0xF800`...`0xFBFF`	reserved for Bluetooth Logo testing
`0x3F`	`0xFC00`...`0xFFFF`	reserved for vendor specific commands