L2CAP_CmdReject

Opcode:

0x0481

Event Description:

The Command Reject is sent in response to a command with an unknown command code or when sending the corresponding response is inappropriate

Event Parameters

Status:

Size:

1 byte(s)

Range:

Value	Description
0x00	SUCCESS
0x12	bleIncorrectMode
0x02	INVALIDPARAMETER

connectionHandle:

Connection handle of the link.

Size:

2 byte(s)

Range:

reason:

Reason for rejection.

Size:

2 byte(s)

Range:

Value	Description
0x0000	CMD_NOT_UNDERSTOOD
0x0001	SIGNAL_MTU_EXCEED
0x0002	REJECT_INVALID_CID

signalingMTU:

Condition:

( CmdRejectReason==0x0001)

Size:

2 byte(s)

Range:

localCID:

Condition:

( CmdRejectReason==0x0002)

Size:

2 byte(s)

Range:

remoteCID:

Condition:

( CmdRejectReason==0x0002)

Size:

2 byte(s)

Range:

L2CAP_ConnectReq

Opcode:

0x0494

Event Description:

This Connection Request event is sent to the application since the application has wished to perform its own security verification (configured at PSM registration). After receiving a Connection Request, the application must respond back with a Connection Response (L2CAP_ConnectRsp) command indicating the outcome of the connection request.

Event Parameters

Status:

Size:

1 byte(s)

Range:

Value	Description
0x00	SUCCESS
0x12	bleIncorrectMode
0x02	INVALIDPARAMETER

connectionHandle:

Connection handle of the link

Size:

2 byte(s)

Range:

Any 2 byte value

id:

Identifier to match responses with requests (i.e., id to send back with L2CAP Connect Response command)

Condition:

( bStatus==0x00)

Size:

1 byte(s)

Range:

PSM:

Local PSM receiving connect request

Condition:

( bStatus==0x00)

Size:

2 byte(s)

Range:

sourceCID:

Represents CID on device sending connect request and receiving connect response (i.e., peer CID)

Condition:

( bStatus==0x00)

Size:

2 byte(s)

Range:

MTU:

Specifies maximum SDU size that can be received on this channel on the peer device

Condition:

( bStatus==0x00)

Size:

2 byte(s)

Range:

MPS:

Specifies maximum payload size that can be received on this channel on the peer device

Condition:

( bStatus==0x00)

Size:

2 byte(s)

Range:

initialCredits:

Indicates number of LE-frames that peer device can receive on this channel

Condition:

( bStatus==0x00)

Size:

2 byte(s)

Range:

L2CAP_ConnParamUpdateRsp

Opcode:

0x0493

Event Description:

This Connection Parameter Update Response is sent from the LE central device to the LE peripheral device. This response is sent by the central Host when it receives a Connection Parameter Update Request packet.

Event Parameters

Status:

Size:

1 byte(s)

Range:

Value	Description
0x00	SUCCESS
0x12	bleIncorrectMode
0x02	INVALIDPARAMETER

connectionHandle:

Connection handle of the link

Size:

2 byte(s)

Range:

Any 2 byte value

result:

Result of the update.

Condition:

( bStatus==0x00)

Size:

2 byte(s)

Range:

Value	Description
0x0000	CONN_PARAMS_ACCEPTED
0x0001	CONN_PARAMS_REJECTED

L2CAP_ChannelEstablished

Opcode:

0x04E0

Event Description:

This Channel Established Event is generated when a Connection Oriented Channel has been established with the peer device. If result is successful (0x0000) then all other fields of the event will be present and can be accessed.

Event Parameters

Status:

Size:

1 byte(s)

Range:

Value	Description
0x00	SUCCESS
0x12	bleIncorrectMode
0x02	INVALIDPARAMETER

connectionHandle:

Connection handle of the link

Size:

2 byte(s)

Range:

Any 2 byte value

result:

Condition:

( bStatus==0x00)

Size:

2 byte(s)

Range:

Value	Description
0x0000	L2CAP_CONN_SUCCESS
0x0001	Reserved
0x0002	L2CAP_CONN_PSM_NOT_SUPPORTED
0x0003	Reserved
0x0004	L2CAP_CONN_NO_RESOURCES
0x0005	L2CAP_CONN_INSUFFICIENT_AUTHEN
0x0006	L2CAP_CONN_INSUFFICIENT_AUTHOR
0x0007	L2CAP_CONN_INSUFFICIENT_KEY_SIZE
0x0008	L2CAP_CONN_INSUFFICIENT_ENCRYPT
0x0009	L2CAP_CONN_INVALID_SRC_CID
0x000A	L2CAP_CONN_SRC_CID_ALREADY_ALLOC

PSM:

Local PSM that channel belongs to

Condition:

( bStatus==0x00 resultValue==0x0000)

Size:

2 byte(s)

Range:

CID:

Local Channel ID

Condition:

( bStatus==0x00 resultValue==0x0000)

Size:

2 byte(s)

Range:

MTU:

Maximum SDU size that can be received by the local device on this channel

Condition:

( bStatus==0x00 resultValue==0x0000)

Size:

2 byte(s)

Range:

MPS:

Maximum payload size that can be received by the local device

Condition:

( bStatus==0x00 resultValue==0x0000)

Size:

2 byte(s)

Range:

credits:

Number of LE-frames that the local device can send

Condition:

( bStatus==0x00 resultValue==0x0000)

Size:

2 byte(s)

Range:

peerCID:

Remote Channel ID

Condition:

( bStatus==0x00 resultValue==0x0000)

Size:

2 byte(s)

Range:

peerMTU:

Maximum SDU size that can be received by the peer device

Condition:

( bStatus==0x00 resultValue==0x0000)

Size:

2 byte(s)

Range:

peerMPS:

Maximum payload size that can be received by the peer device

Condition:

( bStatus==0x00 resultValue==0x0000)

Size:

2 byte(s)

Range:

peerCredits:

Number of LE-frames that the peer device can send

Condition:

( bStatus==0x00 resultValue==0x0000)

Size:

2 byte(s)

Range:

peerCreditThreshold:

Low threshold for the peer credit count

Condition:

( bStatus==0x00 resultValue==0x0000)

Size:

2 byte(s)

Range:

L2CAP_ChannelTerminated

Opcode:

0x04E1

Event Description:

This Channel Terminated Event is generated when a Connection Oriented Channel has been terminated between the local and the peer device.

Event Parameters

Status:

Size:

1 byte(s)

Range:

Value	Description
0x00	SUCCESS
0x12	bleIncorrectMode
0x02	INVALIDPARAMETER

connectionHandle:

Connection handle of the link

Size:

2 byte(s)

Range:

Any 2 byte value

CID:

Local Channel ID

Condition:

( bStatus==0x00)

Size:

2 byte(s)

Range:

peerCID:

Remote Channel ID

Condition:

( bStatus==0x00)

Size:

2 byte(s)

Range:

reason:

Reason Channel was termianted

Condition:

( bStatus==0x00)

Size:

2 byte(s)

Range:

Value	Description
0x0000	L2CAP_TERM_LINK_DOWN
0x0001	L2CAP_TERM_BY_PSM
0x0002	L2CAP_TERM_BY_PEER_PSM
0x0003	L2CAP_TERM_MAX_CREDIT_EXCEED
0x0004	L2CAP_TERM_SDU_LEN_EXCEED
0x0005	L2CAP_TERM_PSM_MTU_EXCEED
0x0006	L2CAP_TERM_RX_PKT_NO_CREDIT
0x0007	L2CAP_TERM_RX_ERROR
0x0008	L2CAP_TERM_TX_ERROR
0x0009	L2CAP_TERM_MEM_ALLOC_ERROR

L2CAP_OutOfCredit

Opcode:

0x04E2

Event Description:

This Out Of Credit Event is generated when a Connection Oriented Channel runs out of credits needed to transmit an SDU to the peer device.

Event Parameters

Status:

Size:

1 byte(s)

Range:

Value	Description
0x00	SUCCESS
0x12	bleIncorrectMode
0x02	INVALIDPARAMETER

connectionHandle:

Connection handle of the link

Size:

2 byte(s)

Range:

Any 2 byte value

CID:

Local Channel ID

Size:

2 byte(s)

Range:

peerCID:

Remote Channel ID

Size:

2 byte(s)

Range:

creditsNeeded:

Number of credits needed to transmit the remaining part of the current SDU

Size:

2 byte(s)

Range:

L2CAP_PeerCreditThreshold

Opcode:

0x04E3

Event Description:

This Peer Credit Threshold Event is generated when an L2CAP Connection Oriented Channel reaches a low threshold specified for the peer credit count (configured at PSM registration).

Event Parameters

Status:

Size:

1 byte(s)

Range:

Value	Description
0x00	SUCCESS
0x12	bleIncorrectMode
0x02	INVALIDPARAMETER

connectionHandle:

Connection handle of the link

Size:

2 byte(s)

Range:

Any 2 byte value

CID:

Local Channel ID

Size:

2 byte(s)

Range:

peerCID:

Remote Channel ID

Size:

2 byte(s)

Range:

peerCreditThreshold:

Low threshold for the peer credit count

Size:

2 byte(s)

Range:

L2CAP_SendSduDone

Opcode:

0x04E4

Event Description:

This Send SDU Done Event is generated when the transmission of an SDU is completed on a Connection Oriented Channel established with the peer device.

Event Parameters

Status:

Size:

1 byte(s)

Range:

Value	Description
0x00	SUCCESS
0x12	bleIncorrectMode
0x02	INVALIDPARAMETER

connectionHandle:

Connection handle of the link

Size:

2 byte(s)

Range:

Any 2 byte value

CID:

Local Channel ID

Size:

2 byte(s)

Range:

credits:

Remaining local credits

Size:

2 byte(s)

Range:

peerCID:

Remote Channel ID

Size:

2 byte(s)

Range:

peerCredits:

Remaining peer credits

Size:

2 byte(s)

Range:

totalLen:

Total length of the SDU being transmitted

Size:

2 byte(s)

Range:

txLen:

Total number of octets transmitted

Size:

2 byte(s)

Range:

L2CAP_PeerCreditReceived

Opcode:

0x04E6

Event Description:

This Peer Credit Received Event is generated when a peer device with Connection Oriented Channel send to local device additional credits.

Event Parameters

Status:

Size:

1 byte(s)

Range:

Value	Description
0x00	SUCCESS
0x12	bleIncorrectMode
0x02	INVALIDPARAMETER

connectionHandle:

Connection handle of the link

Size:

2 byte(s)

Range:

Any 2 byte value

CID:

Local Channel ID

Size:

2 byte(s)

Range:

creditsReceived:

Number of credits received from peer device

Size:

2 byte(s)

Range:

L2CAP_SendData

Opcode:

0x04F0

Event Description:

This Data Event is generated when an SDU is received on a Connection Oriented Channel from the peer device.

Event Parameters

Status:

Size:

1 byte(s)

Range:

Value	Description
0x00	SUCCESS
0x12	bleIncorrectMode
0x02	INVALIDPARAMETER

connectionHandle:

Connection handle of the link

Size:

2 byte(s)

Range:

Any 2 byte value

CID:

Local Channel ID

Size:

2 byte(s)

Range:

len:

Total length of the SDU being received

Size:

2 byte(s)

Range:

SDU:

Received SDU

Size:

payloadLen byte(s)

Range: