l2cap_ecbm_create_channels() function

Create outgoing channel in Enhanced Credit-Based Flow-Control Mode

Syntax

Show:

Summary

Declaration

from l2cap.h:757

uint8_t l2cap_ecbm_create_channels(btstack_packet_handler_t packet_handler, hci_con_handle_t con_handle, gap_security_level_t security_level, uint16_t psm, uint8_t num_channels, uint16_t initial_credits, uint16_t receive_buffer_size, uint8_t ** receive_buffers, uint16_t * out_local_cids);

Arguments

Argument

Description

packet_handler

Packet handler for this connection

con_handle

HCI Connection Handle

security_level

Minimum required security level

psm

Service PSM to connect to

num_channels

number of channels to create

initial_credits

Number of initial credits provided to peer per channel or L2CAP_LE_AUTOMATIC_CREDITS to enable automatic credits

receive_buffer_size

buffer size equals MTU

receive_buffers

Array of buffers used for reassembly of L2CAP Information Frames into service data unit (SDU) with given MTU

out_local_cids

Array of L2CAP Channel Identifiers is stored here on success

Return value

status

Notes

receive_buffer points to an array of receive buffers with num_channels elements out_local_cid points to an array where CID is stored with num_channel elements

Examples

References

from examples

l2cap_ecbm_create_channels() function

Syntax

Arguments

Return value

Notes

Examples

References

Call Tree

Data Use

Class Tree

Override Tree

Implementations

Instances

Lifecycle