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pinebuds/services/ble_stack/hl/inc/l2cc_pdu.h

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2022-08-15 04:20:27 -05:00
#ifndef _L2CC_PDU_H_
#define _L2CC_PDU_H_
/**
****************************************************************************************
* @addtogroup L2CC_PDU L2Cap Controller PDU generator/extractor
* @ingroup L2CC
* @brief This module is in charge to pack or unpack L2CAP packets
*
* @{
****************************************************************************************
*/
/*
* INCLUDE FILES
****************************************************************************************
*/
#include "co_bt.h"
#include "gap.h"
#include "att.h"
#include "compiler.h"
/*
* MACROS
****************************************************************************************
*/
/*
* DEFINES
****************************************************************************************
*/
/// Minimal authorized MTU value (defined by Bluetooth SIG)
#define L2C_MIN_LE_MTUSIG (23)
/// L2CAP mode supported for BLE - only mode accepted
#define L2C_MODE_BASIC_L2CAP (0x00)
/// Packet partition
#define L2C_CID_LEN (2)
#define L2C_LENGTH_LEN (2)
#define L2C_CODE_LEN (1)
#define L2C_HEADER_LEN (L2C_CID_LEN + L2C_LENGTH_LEN)
#define L2C_SDU_LEN (2)
#define L2C_LECB_HEADER_LEN (L2C_HEADER_LEN + L2C_SDU_LEN)
/// Maximum credit
#define L2C_LECB_MAX_CREDIT 0xFFFF
/* result for connection parameter update response */
#define L2C_CONN_PARAM_ACCEPT 0x0000
#define L2C_CONN_PARAM_REJECT 0x0001
/* command reject reasons */
enum l2cc_pdu_err
{
L2C_CMD_NOT_UNDERSTOOD = 0x0000,
L2C_MTU_SIG_EXCEEDED = 0x0001,
L2C_INVALID_CID = 0x0002,
};
/// Check if channel ID is within the correct range
#define L2C_IS_DYNAMIC_CID(cid) ((cid >= L2C_CID_DYN_MIN) && (cid <= L2C_CID_DYN_MAX))
/// Check if LE PSM is within the correct range
#define L2C_IS_VALID_LEPSM(lepsm) (lepsm != L2C_LEPSM_RESERVED)
/*
* ENUMERATIONS
****************************************************************************************
*/
/** L2CAP LE PSM limits */
enum l2cc_lepsm_limits
{
/// Reserved
L2C_LEPSM_RESERVED = 0x0000,
/// Fixed minimum range SIG assigned
L2C_LEPSM_FIXED_MIN = 0x0001,
/// Fixed maximum range SIG assigned
L2C_LEPSM_FIXED_MAX = 0x007F,
/// Dynamic minimum range SIG assigned
L2C_LEPSM_DYN_MIN = 0x0080,
/// Dynamic maximum range SIG assigned
L2C_LEPSM_DYN_MAX = 0x00FF,
/// Reserved minimum range SIG assigned
L2C_LEPSM_RSV_MIN = 0x0100,
/// Reserved maximum range SIG assigned
L2C_LEPSM_RSV_MAX = 0xFFFF,
};
/** L2CAP channels id */
enum l2cc_cid
{
/// Reserved channel id
L2C_CID_RESERVED = 0x0000,
/// Attribute channel id
L2C_CID_ATTRIBUTE = 0x0004,
/// Signaling channel id
L2C_CID_LE_SIGNALING = 0x0005,
/// Security channel id
L2C_CID_SECURITY = 0x0006,
/// Dynamically allocated minimum range
L2C_CID_DYN_MIN = 0x0040,
/// Dynamically allocated maximum range
L2C_CID_DYN_MAX = 0x007F,
};
/// signaling codes
enum l2cc_signal_code
{
/// Reserved code
L2C_CODE_RESERVED = 0x00,
/// Reject request
L2C_CODE_REJECT = 0x01,
/// Connection request
L2C_CODE_CONNECTION_REQ = 0x02,
/// Connection response
L2C_CODE_CONNECTION_RESP = 0x03,
/// Configuration request
L2C_CODE_CONFIGURATION_REQ = 0x04,
/// Configuration response
L2C_CODE_CONFIGURATION_RESP = 0x05,
/// Disconnection request
L2C_CODE_DISCONNECTION_REQ = 0x06,
/// Disconnection response
L2C_CODE_DISCONNECTION_RESP = 0x07,
/// Echo request
L2C_CODE_ECHO_REQ = 0x08,
/// Echo response
L2C_CODE_ECHO_RESP = 0x09,
/// Information request
L2C_CODE_INFORMATION_REQ = 0x0A,
/// Information response
L2C_CODE_INFORMATION_RESP = 0x0B,
/// Create channel request
L2C_CODE_CREATE_CHANNEL_REQ = 0x0C,
/// Create channel response
L2C_CODE_CREATE_CHANNEL_RESP = 0x0D,
/// Move channel request
L2C_CODE_MOVE_CHANNEL_REQ = 0x0E,
/// Move channel response
L2C_CODE_MOVE_CHANNEL_RESP = 0x0F,
/// Move channel confirmation
L2C_CODE_MOVE_CHANNEL_CFM = 0x10,
/// Move channel confirmation response
L2C_CODE_MOVE_CHANNEL_CFM_RESP = 0x11,
/// Connection Parameter Update Request
L2C_CODE_CONN_PARAM_UPD_REQ = 0x12,
/// Connection Parameter Update Response
L2C_CODE_CONN_PARAM_UPD_RESP = 0x13,
/// LE Credit Based Connection request
L2C_CODE_LE_CB_CONN_REQ = 0x14,
/// LE Credit Based Connection response
L2C_CODE_LE_CB_CONN_RESP = 0x15,
/// LE Flow Control Credit
L2C_CODE_LE_FLOW_CONTROL_CREDIT = 0x16,
/// max number of signaling codes
L2C_CODE_SIGNALING_MAX
};
/// security codes
enum l2cc_security_code
{
/// Pairing Request
L2C_CODE_PAIRING_REQUEST = 0x01,
/// Pairing Response
L2C_CODE_PAIRING_RESPONSE = 0x02,
/// Pairing Confirm
L2C_CODE_PAIRING_CONFIRM = 0x03,
/// Pairing Random
L2C_CODE_PAIRING_RANDOM = 0x04,
/// Pairing Failed
L2C_CODE_PAIRING_FAILED = 0x05,
/// Encryption Information
L2C_CODE_ENCRYPTION_INFORMATION = 0x06,
/// Master Identification
L2C_CODE_MASTER_IDENTIFICATION = 0x07,
/// Identity Information
L2C_CODE_IDENTITY_INFORMATION = 0x08,
/// Identity Address Information
L2C_CODE_IDENTITY_ADDRESS_INFORMATION = 0x09,
/// Signing Information
L2C_CODE_SIGNING_INFORMATION = 0x0A,
/// Security Request
L2C_CODE_SECURITY_REQUEST = 0x0B,
// Pairing Public Keys
L2C_CODE_PUBLIC_KEY = 0x0C,
// Pairing DHKey Check
L2C_CODE_DHKEY_CHECK = 0x0D,
// Pairing Keypress Notification
L2C_CODE_KEYPRESS_NOTIFICATION = 0x0E,
/// max number of security codes
L2C_CODE_SECURITY_MAX
};
/// attribute protocol PDU codes
enum l2cc_attribute_code
{
/// Error response
L2C_CODE_ATT_ERR_RSP = 0x01,
/// Exchange MTU Request
L2C_CODE_ATT_MTU_REQ = 0x02,
/// Exchange MTU Response
L2C_CODE_ATT_MTU_RSP = 0x03,
/// Find Information Request
L2C_CODE_ATT_FIND_INFO_REQ = 0x04,
/// Find Information Response
L2C_CODE_ATT_FIND_INFO_RSP = 0x05,
/// Find By Type Value Request
L2C_CODE_ATT_FIND_BY_TYPE_REQ = 0x06,
/// Find By Type Value Response
L2C_CODE_ATT_FIND_BY_TYPE_RSP = 0x07,
/// Read By Type Request
L2C_CODE_ATT_RD_BY_TYPE_REQ = 0x08,
/// Read By Type Response
L2C_CODE_ATT_RD_BY_TYPE_RSP = 0x09,
/// Read Request
L2C_CODE_ATT_RD_REQ = 0x0A,
/// Read Response
L2C_CODE_ATT_RD_RSP = 0x0B,
/// Read Blob Request
L2C_CODE_ATT_RD_BLOB_REQ = 0x0C,
/// Read Blob Response
L2C_CODE_ATT_RD_BLOB_RSP = 0x0D,
/// Read Multiple Request
L2C_CODE_ATT_RD_MULT_REQ = 0x0E,
/// Read Multiple Response
L2C_CODE_ATT_RD_MULT_RSP = 0x0F,
/// Read by Group Type Request
L2C_CODE_ATT_RD_BY_GRP_TYPE_REQ = 0x10,
/// Read By Group Type Response
L2C_CODE_ATT_RD_BY_GRP_TYPE_RSP = 0x11,
/// Write Request
L2C_CODE_ATT_WR_REQ = 0x12,
/// Write Response
L2C_CODE_ATT_WR_RSP = 0x13,
/// Write Command
L2C_CODE_ATT_WR_CMD_INFO = 0x14,
L2C_CODE_ATT_WR_CMD = 0x52,
/// Signed Write Command
L2C_CODE_ATT_SIGN_WR_CMD_INFO = 0x15,
L2C_CODE_ATT_SIGN_WR_CMD = 0xD2,
/// Prepare Write Request
L2C_CODE_ATT_PREP_WR_REQ = 0x16,
/// Prepare Write Response
L2C_CODE_ATT_PREP_WR_RSP = 0x17,
/// Execute Write Request
L2C_CODE_ATT_EXE_WR_REQ = 0x18,
/// Execute Write Response
L2C_CODE_ATT_EXE_WR_RSP = 0x19,
/// Handle Value Notification
L2C_CODE_ATT_HDL_VAL_NTF = 0x1B,
/// Handle Value Indication
L2C_CODE_ATT_HDL_VAL_IND = 0x1D,
/// Handle Value Confirmation
L2C_CODE_ATT_HDL_VAL_CFM = 0x1E,
/// max number of security codes
L2C_CODE_ATT_MAX
};
/// LE Connection oriented PDU codes
enum l2cc_le_connor_code
{
/// Data frame
L2C_CODE_CON_DATA = 0x01,
/// max number of connection oriented codes
L2C_CODE_CON_MAX
};
/// Result values for LE Credit Based Connection Response
enum l2cc_cb_resp_value
{
/// connection successful
L2C_CB_CON_SUCCESS = 0x0000,
/// Reserved
L2C_CB_CON_RSV1,
/// Connection refused - LE_PSM not supported
L2C_CB_CON_LEPSM_NOT_SUPP,
/// Reserved
L2C_CB_CON_RSV2,
/// Connection refused - no resources available
L2C_CB_CON_NO_RES_AVAIL,
/// Connection refused - insufficient authentication
L2C_CB_CON_INS_AUTH,
/// Connection refused - insufficient authorization
L2C_CB_CON_INS_AUTHOR,
/// Connection refused - insufficient encryption key size
L2C_CB_CON_INS_EKS,
/// Connection Refused - insufficient encryption
L2C_CB_CON_INS_ENCRYPTION,
/* ESR 09 error codes */
/// Connection Refused - invalid Source CID
L2C_CB_CON_INVALID_SRC_CID,
/// Connection Refused - Source CID already allocated
L2C_CB_CON_SRC_CID_ALREADY_ALLOC,
/// Connection Refused - Unacceptable parameters
L2C_CB_CON_UNACCEPTABLE_PARAM
};
/*
* TYPE DEFINITIONS
****************************************************************************************
*/
/// Disconnection Request
struct l2cc_disconnection_req
{
/// Signaling code - 0x06
uint8_t code;
/// Packet Identifier
uint8_t pkt_id;
/// data length
uint16_t length;
/// Destination CID
uint16_t dcid;
/// Source CID
uint16_t scid;
};
/// Disconnection Response
struct l2cc_disconnection_rsp
{
/// Signaling code - 0x07
uint8_t code;
/// Packet Identifier
uint8_t pkt_id;
/// data length
uint16_t length;
/// Destination CID
uint16_t dcid;
/// Source CID
uint16_t scid;
};
/// Connection Parameter Update Request
struct l2cc_update_param_req
{
/// Signaling code - 0x12
uint8_t code;
/// Packet Identifier
uint8_t pkt_id;
/// data length
uint16_t length;
/// minimum value for the connection event interval
uint16_t intv_min;
/// maximum value for the connection event interval
uint16_t intv_max;
/// slave latency parameter
uint16_t latency;
/// connection timeout parameter
uint16_t timeout;
};
/// Connection Parameter Update Response
struct l2cc_update_param_rsp
{
/// Signaling code - 0x13
uint8_t code;
/// Packet Identifier
uint8_t pkt_id;
/// data length
uint16_t length;
/// Result field indicates the response to the Connection Parameter Update Request
/// - 0x0000 Connection Parameters accepted
/// - 0x0001 Connection Parameters rejected
uint16_t response;
};
/// LE Credit based connection request
struct l2cc_lecb_req
{
/// Signaling code - 0x14
uint8_t code;
/// Packet Identifier
uint8_t pkt_id;
/// data length
uint16_t length;
/// LE Protocol/Service Multiplexer
uint16_t le_psm;
/// Source CID
uint16_t scid;
/// Maximum Transmission Unit
uint16_t mtu;
/// Maximum PDU Size
uint16_t mps;
/// Initial credits
uint16_t initial_credits;
};
/// LE Credit based connection response
struct l2cc_lecb_rsp
{
/// Signaling code - 0x15
uint8_t code;
/// Packet Identifier
uint8_t pkt_id;
/// data length
uint16_t length;
/// Destination CID
uint16_t dcid;
/// Maximum Transmission Unit
uint16_t mtu;
/// Maximum PDU Size
uint16_t mps;
/// Initial credits
uint16_t initial_credits;
/// Result
uint16_t result;
};
/// LE Flow Control Credit
struct l2cc_le_flow_ctl_credit
{
/// Signaling code - 0x16
uint8_t code;
/// Packet Identifier
uint8_t pkt_id;
/// data length
uint16_t length;
/// CID
uint16_t cid;
/// Credits
uint16_t credits;
};
/// Command Reject
struct l2cc_reject
{
/// Signaling code - 0x01
uint8_t code;
/// Packet Identifier
uint8_t pkt_id;
/// data length
uint16_t length;
/// The Reason field describes why the Request packet was rejected
/// - 0x0000 Command not understood
/// - 0x0001 Signaling MTU exceeded
/// - 0x0002 Invalid CID in request
uint16_t reason;
/// Optional parameters total length
uint16_t opt_len;
///16-byte array for optional parameters
uint8_t opt[__ARRAY_EMPTY];
};
/// Pairing Request
struct l2cc_pairing_req
{
/// security code - 0x01
uint8_t code;
/// IO Capability
uint8_t iocap;
/// OOB data flag
uint8_t oob;
/// AuthReq
uint8_t auth;
/// Maximum Encryption Key Size
uint8_t key_size;
/// Initiator Key Distribution
uint8_t ikey_dist;
/// Responder Key Distribution
uint8_t rkey_dist;
};
/// Pairing Response
struct l2cc_pairing_rsp
{
/// security code - 0x02
uint8_t code;
/// IO Capability
uint8_t iocap;
/// OOB data flag
uint8_t oob;
/// AuthReq
uint8_t auth;
/// Maximum Encryption Key Size
uint8_t key_size;
/// Initiator Key Distribution
uint8_t ikey_dist;
/// Responder Key Distribution
uint8_t rkey_dist;
};
/// Pairing Confirm
struct l2cc_pairing_cfm
{
/// security code - 0x03
uint8_t code;
///Confirm value
uint8_t cfm_val[CFM_LEN];
};
/// Pairing Random
struct l2cc_pairing_random
{
/// security code - 0x04
uint8_t code;
///Random value
uint8_t random[RAND_VAL_LEN];
};
/// Pairing Failed
struct l2cc_pairing_failed
{
/// security code - 0x05
uint8_t code;
/// The Reason field indicates why the pairing failed
uint8_t reason;
};
/// Encryption Information
struct l2cc_encryption_inf
{
/// security code - 0x06
uint8_t code;
///16-byte array for LTK value
uint8_t ltk[GAP_KEY_LEN];
};
/// Master Identification
struct l2cc_master_id
{
/// security code - 0x07
uint8_t code;
/// key diversifier
uint16_t ediv;
///8-byte array for random number
uint8_t nb[GAP_RAND_NB_LEN];
};
/// Identity Information
struct l2cc_identity_inf
{
/// security code - 0x08
uint8_t code;
///16-byte array for IRK value
uint8_t irk[GAP_KEY_LEN];
};
/// Identity Address Information
struct l2cc_id_addr_inf
{
/// security code - 0x09
uint8_t code;
/// BD Address Type
uint8_t addr_type;
/// BD Address
bd_addr_t addr;
};
/// Signing Information
struct l2cc_signing_inf
{
/// security code - 0x0A
uint8_t code;
///16-byte array for CSRK value
uint8_t csrk[GAP_KEY_LEN];
};
/// Security Request
struct l2cc_security_req
{
/// security code - 0x0B
uint8_t code;
/// AuthReq
uint8_t auth;
};
/// Public Key (x,y)
struct l2cc_publc_key
{
/// security code - 0x0C
uint8_t code;
/// X and Y co-ordinates of the Public Key
uint8_t x[GAP_P256_KEY_LEN];
uint8_t y[GAP_P256_KEY_LEN];
};
/// DH Key Check
struct l2cc_dhkey_check
{
/// security code - 0x0D
uint8_t code;
uint8_t check[DHKEY_CHECK_LEN];
};
/// Keypress Notification - PassKey method only
struct l2cc_keypress_noticication
{
/// security code - 0x0E
uint8_t code;
uint8_t notification_type;
};
/* Attribute protocol PDUs */
/// Error response
struct l2cc_att_err_rsp
{
/// Error Response - 0x01
uint8_t code;
/// The request that generated this error response
uint8_t op_code;
/// The attribute handle that generated this error response
uint16_t handle;
///The reason why the request has generated an error response
uint8_t reason;
};
/// Exchange MTU Request
struct l2cc_att_mtu_req
{
/// Exchange MTU Request - 0x02
uint8_t code;
/// Client Rx MTU size
uint16_t mtu_size;
};
/// Exchange MTU Response
struct l2cc_att_mtu_rsp
{
/// Exchange MTU Response - 0x03
uint8_t code;
/// Server Rx MTU size
uint16_t mtu_size;
};
/// Find Information Request
struct l2cc_att_find_info_req
{
/// Find Information Request - 0x04
uint8_t code;
/// First requested handle number
uint16_t shdl;
/// Last requested handle number
uint16_t ehdl;
};
/// Find Information Response
struct l2cc_att_find_info_rsp
{
/// Find Information Response - 0x05
uint8_t code;
/// The format of the information data.
uint8_t format;
/// Data length
uint16_t data_len;
///The information data whose format is determined by the Format field
uint8_t data[__ARRAY_EMPTY];
};
/// Find By Type Value Request
struct l2cc_att_find_by_type_req
{
/// Find By Type Value Request - 0x06
uint8_t code;
/// First requested handle number
uint16_t shdl;
/// Last requested handle number
uint16_t ehdl;
/// 2 octet UUID to find
uint16_t type;
/// Attribute value length
uint16_t val_len;
/// Attribute value to find
uint8_t val[__ARRAY_EMPTY];
};
/// Find By Type Value Response
struct l2cc_att_find_by_type_rsp
{
/// Find By Type Value Response - 0x07
uint8_t code;
/// data length
uint16_t data_len;
/// A list of 1 or more Handle Informations.
uint8_t data[__ARRAY_EMPTY];
};
/// Read By Type Request
struct l2cc_att_rd_by_type_req
{
/// Read By Type Request - 0x08
uint8_t code;
/// Starting Handle
uint16_t shdl;
/// Ending Handle
uint16_t ehdl;
/// Attribute uuid length
uint16_t uuid_len;
/// Attribute type uuid
uint8_t uuid[__ARRAY_EMPTY];
};
/// Read By Type Response
struct l2cc_att_rd_by_type_rsp
{
/// Read By Type Response - 0x09
uint8_t code;
/// size of each attribute handle listed
uint8_t each_len;
/// Attribute Data length
uint16_t data_len;
/// A list of Attribute Data.
uint8_t data[__ARRAY_EMPTY];
};
/// Read Request
struct l2cc_att_rd_req
{
/// Read Request - 0x0A
uint8_t code;
/// Attribute Handle
uint16_t handle;
};
/// Read Response
struct l2cc_att_rd_rsp
{
/// Read Response - 0x0B
uint8_t code;
/// value length
uint16_t value_len;
/// The value of the attribute with the handle given
uint8_t value[__ARRAY_EMPTY];
};
/// Read Blob Request
struct l2cc_att_rd_blob_req
{
/// Read Blob Request - 0x0C
uint8_t code;
/// Attribute Handle
uint16_t handle;
/// The offset of the first octet to be read
uint16_t offset;
};
/// Read Blob Response
struct l2cc_att_rd_blob_rsp
{
/// Read Blob Response - 0x0D
uint8_t code;
/// value length
uint16_t value_len;
/// Part of the value of the attribute with the handle given
uint8_t value[__ARRAY_EMPTY];
};
/// Read Multiple Request
struct l2cc_att_rd_mult_req
{
/// Read Multiple Request - 0x0E
uint8_t code;
/// Number of handles
uint16_t nb_handles;
/// A set of two or more attribute handles.
uint16_t handles[__ARRAY_EMPTY];
};
/// Read Multiple Response
struct l2cc_att_rd_mult_rsp
{
/// Read Multiple Response - 0x0F
uint8_t code;
/// value length
uint16_t value_len;
/// A set of two or more values.
uint8_t value[__ARRAY_EMPTY];
};
/// Read by Group Type Request
struct l2cc_att_rd_by_grp_type_req
{
/// Read by Group Type Request - 0x10
uint8_t code;
/// First requested handle number
uint16_t shdl;
/// Last requested handle number
uint16_t ehdl;
/// Attribute uuid length
uint16_t uuid_len;
/// Attribute type uuid (2 or 16 octet UUID)
uint8_t uuid[__ARRAY_EMPTY];
};
/// Read By Group Type Response
struct l2cc_att_rd_by_grp_type_rsp
{
/// Read By Group Type Response - 0x11
uint8_t code;
/// size of each attribute handle listed
uint8_t each_len;
/// Attribute Data length
uint16_t data_len;
/// A list of Attribute Data.
uint8_t data[__ARRAY_EMPTY];
};
/// Write Request
struct l2cc_att_wr_req
{
/// Write Request - 0x12
uint8_t code;
/// The handle of the attribute to be written
uint16_t handle;
/// Value length
uint16_t value_len;
/// The value to be written to the attribute
uint8_t value[__ARRAY_EMPTY];
};
/// Write Response
struct l2cc_att_wr_rsp
{
/// Write Response - 0x13
uint8_t code;
};
/// Write Command
struct l2cc_att_wr_cmd
{
/// Write Command - 0x52
uint8_t code;
/// The handle of the attribute to be written
uint16_t handle;
/// Value length
uint16_t value_len;
/// The value to be written to the attribute
uint8_t value[__ARRAY_EMPTY];
};
/// Signed Write Command
struct l2cc_att_sign_wr_cmd
{
/// Write Command - 0xD2
uint8_t code;
/// The handle of the attribute to be written
uint16_t handle;
/// Attribute Data length
uint16_t value_len;
/// The value to be written to the attribute
/// + 12 bytes of signatures:
/// Authentication signature for the Attribute Upload, Attribute Handle and Attribute
/// Value Parameters
uint8_t value[__ARRAY_EMPTY];
};
/// Prepare Write Request
struct l2cc_att_prep_wr_req
{
/// Prepare Write Request - 0x16
uint8_t code;
/// The handle of the attribute to be written
uint16_t handle;
/// The offset of the first octet to be written
uint16_t offset;
/// Value length
uint16_t value_len;
/// The value to be written to the attribute
uint8_t value[__ARRAY_EMPTY];
};
/// Prepare Write Response
struct l2cc_att_prep_wr_rsp
{
/// Prepare Write Response - 0x17
uint8_t code;
/// The handle of the attribute to be written
uint16_t handle;
/// The offset of the first octet to be written
uint16_t offset;
/// Value length
uint16_t value_len;
/// The value to be written to the attribute
uint8_t value[__ARRAY_EMPTY];
};
/// Execute Write Request
struct l2cc_att_exe_wr_req
{
/// Execute Write Request - 0x18
uint8_t code;
/// 0x00 - Cancel all prepared writes
/// 0x01 - Immediately write all pending prepared values
uint8_t flags;
};
/// Execute Write Response
struct l2cc_att_exe_wr_rsp
{
/// Prepare Write Response - 0x19
uint8_t code;
};
/// Handle Value Notification
struct l2cc_att_hdl_val_ntf
{
/// Handle Value Notification - 0x1B
uint8_t code;
/// The handle of the attribute to be written
uint16_t handle;
/// Value length
uint16_t value_len;
/// The current value of the attribute
uint8_t value[__ARRAY_EMPTY];
};
/// Handle Value Indication
struct l2cc_att_hdl_val_ind
{
/// Handle Value Indication - 0x1D
uint8_t code;
/// The handle of the attribute to be written
uint16_t handle;
/// Value length
uint16_t value_len;
/// The current value of the attribute
uint8_t value[__ARRAY_EMPTY];
};
/// Handle Value Confirmation
struct l2cc_att_hdl_val_cfm
{
/// Handle Value Confirmation - 0x1E
uint8_t code;
};
/* LE Credit Based PDUs */
/// LE Generic send data request (includes total SDU Length)
struct l2cc_lecb_send_data_req
{
/// Code variable (RFU)
uint8_t code;
/// SDU data length
uint16_t sdu_data_len;
/// Data
uint8_t sdu_data[__ARRAY_EMPTY];
};
struct l2cc_pdu_data_t
{
/// L2Cap packet code.
uint8_t code;
};
/// Default L2Cap PDU definition
struct l2cc_pdu
{
/// L2Cap Payload Length
uint16_t payld_len;
/// L2Cap Channel ID
uint16_t chan_id;
/// Data PDU definition
union l2cc_pdu_data
{
/// L2Cap packet code.
uint8_t code;
/* LE Credit Based packets */
/// LE send first frame
struct l2cc_lecb_send_data_req send_lecb_data_req;
/* Connection Signaling Packets */
/// Command Reject
struct l2cc_reject reject;
/// Connection Parameter Update Request
struct l2cc_update_param_req update_req;
/// Connection Parameter Update Response
struct l2cc_update_param_rsp update_rsp;
/// LE Credit based connection request
struct l2cc_lecb_req credit_con_req;
/// LE Credit based connection response
struct l2cc_lecb_rsp credit_con_rsp;
/// LE Flow Control Credit
struct l2cc_le_flow_ctl_credit flow_ctl_credit;
/// LE disconnection request
struct l2cc_disconnection_req disc_req;
/// LE disconnection response
struct l2cc_disconnection_rsp disc_rsp;
/* Security manager PDUs */
/// Pairing Request
struct l2cc_pairing_req pairing_req;
/// Pairing Response
struct l2cc_pairing_rsp pairing_rsp;
/// Pairing Confirm
struct l2cc_pairing_cfm pairing_cfm;
/// Pairing Random
struct l2cc_pairing_random pairing_random;
/// Pairing Failed
struct l2cc_pairing_failed pairing_failed;
/// Encryption Information
struct l2cc_encryption_inf encryption_inf;
/// Master Identification
struct l2cc_master_id master_id;
/// Identity Information
struct l2cc_identity_inf identity_inf;
/// Identity Address Information
struct l2cc_id_addr_inf id_addr_inf;
/// Signing Information
struct l2cc_signing_inf signing_inf;
/// Security Request
struct l2cc_security_req security_req;
/// Public Keys
struct l2cc_publc_key public_key;
/// Key Press Notification
struct l2cc_keypress_noticication keypress_noticication;
/// DH Key Check
struct l2cc_dhkey_check dhkey_check;
/* Attribute protocol PDUs */
/// Error response
struct l2cc_att_err_rsp err_rsp;
/// Exchange MTU Request
struct l2cc_att_mtu_req mtu_req;
/// Exchange MTU Response
struct l2cc_att_mtu_rsp mtu_rsp;
/// Find Information Request
struct l2cc_att_find_info_req find_info_req;
/// Find Information Response
struct l2cc_att_find_info_rsp find_info_rsp;
/// Find By Type Value Request
struct l2cc_att_find_by_type_req find_by_type_req;
/// Find By Type Value Response
struct l2cc_att_find_by_type_rsp find_by_type_rsp;
/// Read By Type Request
struct l2cc_att_rd_by_type_req rd_by_type_req;
/// Read By Type Response
struct l2cc_att_rd_by_type_rsp rd_by_type_rsp;
/// Read Request
struct l2cc_att_rd_req rd_req;
/// Read Response
struct l2cc_att_rd_rsp rd_rsp;
/// Read Blob Request
struct l2cc_att_rd_blob_req rd_blob_req;
/// Read Blob Response
struct l2cc_att_rd_blob_rsp rd_blob_rsp;
/// Read Multiple Request
struct l2cc_att_rd_mult_req rd_mult_req;
/// Read Multiple Response
struct l2cc_att_rd_mult_rsp rd_mult_rsp;
/// Read by Group Type Request
struct l2cc_att_rd_by_grp_type_req rd_by_grp_type_req;
/// Read By Group Type Response
struct l2cc_att_rd_by_grp_type_rsp rd_by_grp_type_rsp;
/// Write Request
struct l2cc_att_wr_req wr_req;
/// Write Response
struct l2cc_att_wr_rsp wr_rsp;
/// Write Command
struct l2cc_att_wr_cmd wr_cmd;
/// Signed Write Command
struct l2cc_att_sign_wr_cmd sign_wr_cmd;
/// Prepare Write Request
struct l2cc_att_prep_wr_req prep_wr_req;
/// Prepare Write Response
struct l2cc_att_prep_wr_rsp prep_wr_rsp;
/// Execute Write Request
struct l2cc_att_exe_wr_req exe_wr_req;
/// Execute Write Response
struct l2cc_att_exe_wr_rsp exe_wr_rsp;
/// Handle Value Notification
struct l2cc_att_hdl_val_ntf hdl_val_ntf;
/// Handle Value Indication
struct l2cc_att_hdl_val_ind hdl_val_ind;
/// Handle Value Confirmation
struct l2cc_att_hdl_val_cfm hdl_val_cfm;
} data;
};
/// Default L2Cap DBG pdu definition
struct l2cc_dbg_pdu
{
/// Data length
uint16_t length;
/// data
uint8_t data[__ARRAY_EMPTY];
};
/// Default L2Cap SDU definition
struct l2cc_sdu;
/// @} L2CC_PDU
#endif /* _L2CC_PDU_H_ */