List of HCI commands.

Link Control Commands (OGF = 0x01)
No	Command Name	OpCode	Description
1	Inquiry	0x0001	Command used to enter Inquiry mode where it discovers other Bluetooth devices.
2	Inquiry_Cancel	0x0002	Command to cancel the Inquiry mode in which the Bluetooth device is in.
3	Periodic_Inquiry_Mode	0x0003	Command to set the device to enter Inquiry modes periodically according to the time interval set.
4	Exit_Periodic_Inquiry_Mode	0x0004	Command to exit the periodic Inquiry mode
5	Create_Connection	0x0005	Command to create an ACL connection to the device specified by the BD_ADDR in the parameters.
6	Disconnect	0x0006	Command to terminate the existing connection to a device
7	Add_SCO_Connection	0x0007	Create an SCO connection defined by the connection handle parameters.
8	Accept_Connection_Request	0x0009	Command to accept a new connection request
9	Reject_Connection_Request	0x000A	Command to reject a new connection request
10	Link_Key_Request_Reply	0x000B	Reply command to a link key request event sent from controller to the host
11	Link_Key_Request_Negative_Reply	0x000C	Reply command to a link key request event from the controller to the host if there is no link key associated with the connection.
12	PIN_Code_Request_Reply	0x000D	Reply command to a PIN code request event sent from a controller to the host.
13	PIN_Code_Request_Negative_Reply	0x000E	Reply command to a PIN code request event sent from the controller to the host if there is no PIN associated with the connection.
14	Change_Connection_Packet_Type	0x000F	Command to change the type of packets to be sent for an existing connection.
15	Authentication_Requested	0x0011	Command to establish authentication between two devices specified by the connection handle.
16	Set_Connection_Encryption	0x0013	Command to enable or disable the link level encryption.
17	Change_Connection_Link_Key	0x0015	Command to force the change of a link key to a new one between two connected devices.
18	Master_Link_Key	0x0017	Command to force two devices to use the master's link key temporarily.
19	Remote_Name_Request	0x0019	Command to determine the user friendly name of the connected device.
20	Read_Remote_Supported_Features	0x001B	Command to determine the features supported by the connected device.
21	Read_Remote_Version_Information	0x001D	Command to determine the version information of the connected device.
22	Read_Clock_Offset	0x001F	Command to read the clock offset of the remote device.
HCI Policy Command (OGF=0x02)
1	Hold_Mode	0x0001	Command to place the current or remote device into the Hold mode state.
2	Sniff_Mode	0x0003	Command to place the current or remote device into the Sniff mode state.
3	Exit_Sniff_Mode	0x0004	Command to exit the current or remote device from the Sniff mode state.
4	Park_Mode	0x0005	Command to place the current or remote device into the Park mode state.
5	Exit_Park_Mode	0x0006	Command to exit the current or remote device from the Park mode state.
6	QoS_Setup	0x0007	Command to setup the Quality of Service parameters of the device.
7	Role_Discovery	0x0009	Command to determine the role of the device for a particular connection.
8	Switch_Role	0x000B	Command to allow the device to switch roles for a particular connection.
9	Read_Link_Policy_Settings	0x000C	Command to determine the link policy that the LM can use to establish connections.
10	Write_Link_Policy_Settings	0x000D	Command to set the link policy that the LM can use for a particular connection.
Host Controller and Baseband Commands (OGF=0x03)
1	Set_Event_Mask	0x0001	Command to set which events are generated by the HCI for the host.
2	Reset	0x0003	Command to reset the host controller, link manager and the radio module.
3	Set_Event_Filter	0x0005	Command used by host to set the different types of event filters that the host needs to receive.
4	Flush	0x0008	Command used to flush all pending data packets for transmission for a particular connection handle.
5	Read_PIN_Type	0x0009	Command used by host to determine if the link manager assumes that the host requires a variable PIN type or fixed PIN code. PIN is used during pairing.
6	Write_PIN_Type	0x000A	Command used by host to write to the host controller on the PIN type supported by the host.
7	Create_New_Unit_Key	0x000B	Command used to create a new unit key.
8	Read_Stored_Link_Key	0x000D	Command to read the link key stored in the host controller.
9	Write_Stored_Link_Key	0x0011	Command to write the link key to the host controller.
10	Delete_Stored_Link_Key	0x0012	Command to delete a stored link key in the host controller.
11	Change_Local_Name	0x0013	Command to modify the user friendly name of the device.
12	Read_Local_Name	0x0014	Command to read the user friendly name of the device.
13	Read_Connection_Accept_Timeout	0x0015	Command to determine the timeout session before the host denies and rejects a new connection request.
14	Write_Connection_Accept_Timeout	0x0016	Command to set the timeout session before a device can deny or reject a connection request.
15	Read_Page_Timeout	0x0017	Command to read the timeout value where a device will wait for a connection acceptance before sending a connection failure is returned.
16	Write_Page_Timeout	0x0018	Command to write the timeout value where a device will wait for a connection acceptance before sending a connection failure is returned.
17	Read_Scan_Enable	0x0019	Command to read the status of the Scan_Enable configuration.
18	Write_Scan_Enable	0x001A	Command to set the status of the Scan_Enable configuration.
19	Read_Page_Scan_Activity	0x001B	Command to read the value of the Page_Scan_Interval and Page_Scan_Window configurations.
20	Write_Page_Scan_Activity	0x001C	Command to write the value of the Page_Scan_Interval and Page_Scan_Window configurations.
21	Read_Inquiry_Scan_Activity	0x001D	Command to read the value of the Inquiry_Scan_Interval and Inquiry_Scan_Window configurations.
22	Write_Inquiry_Scan_Activity	0x001E	Command to set the value of the Inquiry_Scan_Interval and Inquiry_Scan_Window configurations.
23	Read_Authentication_Enable	0x001F	Command to read the Authentication_Enable parameter.
24	Write_Authentication_Enable	0x0020	Command to set the Authentication_Enable parameter.
25	Read_Encryption_Mode	0x0021	Command to read the Encryption_Mode parameter.
26	Write_Encryption_Mode	0x0022	Command to write the Encryption_Mode parameter.
27	Read_Class_Of_Device	0x0023	Command to read the Class_Of_Device parameter.
28	Write_Class_Of_Device	0x0024	Command to set the Class_Of_Device parameter.
29	Read_Voice_Setting	0x0025	Command to read the Voice_Setting parameter. Used for voice connections.
30	Write_Voice_Setting	0x0026	Command to set the Voice_Setting parameter. Used for voice connections.
31	Read_Automatic_Flush_Timeout	0x0027	Command to read the Flush_Timeout parameter. Used for ACL connections only.
32	Write_Automatic_Flush_Timeout	0x0028	Command to set the Flush_Timeout parameter. Used for ACL connections only.
33	Read_Num_Broadcast_Retransmissions	0x0029	Command to read the number of time a broadcast message is retransmitted.
34	Write_Num_Broadcast_Retransmissions	0x002A	Command to set the number of time a broadcast message is retransmitted.
35	Read_Hold_Mode_Activity	0x002B	Command to set the Hold_Mode activity to instruct the device to perform an activity during hold mode.
36	Write_Hold_Mode_Activity	0x002C	Command to set the Hold_Mode_Activity parameter.
37	Read_Transmit_Power_Level	0x002D	Command to read the power level required for transmission for a connection handle.
38	Read_SCO_Flow_Control_Enable	0x002E	Command to check the current status of the flow control for the SCO connection.
39	Write_SCO_Flow_Control_Enable	0x002F	Command to set the status of the flow control for a connection handle.
40	Set_Host_Controller_To_Host_Flow_Control	0x0031	Command to set the flow control from the host controller to host in on or off state.
41	Host_Buffer_Size	0x0033	Command set by host to inform the host controller of the buffer size of the host for ACL and SCO connections.
42	Host_Number_Of_Completed_Packets	0x0035	Command set from host to host controller when it is ready to receive more data packets.
43	Read_Link_Supervision_Timeout	0x0036	Command to read the timeout for monitoring link losses.
44	Write_Link_Supervision_Timeout	0x0037	Command to set the timeout for monitoring link losses.
45	Read_Number_Of_Supported_IAC	0x0038	Command to read the number of IACs that the device can listen on during Inquiry access.
46	Read_Current_IAC_LAP	0x0039	Command to read the LAP for the current IAC.
47	Write_Current_IAC_LAP	0x003A	Command to set the LAP for the current IAC.
48	Read_Page_Scan_Period_Mode	0x003B	Command to read the timeout session of a page scan.
49	Write_Page_Scan_Period_Mode	0x003C	Command to set the timeout session of a page scan.
50	Read_Page_Scan_Mode	0x003D	Command to read the default Page scan mode.
51	Write_Page_Scan_Mode	0x003E	Command to set the default page scan mode.