define LL_STATUS_SUCCESS 0x00 // Success
define LL_STATUS_ERROR_UNKNOWN_CONN_HANDLE 0x02 // Unknown Connection Identifier
define LL_STATUS_ERROR_INACTIVE_CONNECTION 0x02 // Unknown Connection Identifier for now; may be needed for multiple connections
define LL_STATUS_ERROR_AUTH_FAILURE 0x05 // Authentication Failure
define LL_STATUS_ERROR_PIN_OR_KEY_MISSING 0x06 // Pin or Key Missing
define LL_STATUS_ERROR_OUT_OF_CONN_RESOURCES 0x07 // Memory Capacity Exceeded
define LL_STATUS_ERROR_OUT_OF_TX_MEM 0x07 // Memory Capacity Exceeded
define LL_STATUS_ERROR_OUT_OF_RX_MEM 0x07 // Memory Capacity Exceeded
define LL_STATUS_ERROR_OUT_OF_HEAP 0x07 // Memory Capacity Exceeded
define LL_STATUS_ERROR_WL_TABLE_FULL 0x07 // Memory Capacity Exceeded
define LL_STATUS_ERROR_CONNECTION_TIMEOUT 0x08 // Connection Timeout
define LL_STATUS_ERROR_CONNECTION_LIMIT_EXCEEDED 0x09 // Connection Limit Exceeded
define LL_STATUS_ERROR_COMMAND_DISALLOWED 0x0C // Command Disallowed
define LL_STATUS_ERROR_DUE_TO_LIMITED_RESOURCES 0x0D // Command Rejected Due To Limited Resources
define LL_STATUS_ERROR_DUE_TO_DELAYED_RESOURCES 0x0D // Command Delayed Due To Limited Resources
define LL_STATUS_ERROR_FEATURE_NOT_SUPPORTED 0x11 // Unsupported Feature or Parameter Value
define LL_STATUS_ERROR_UNEXPECTED_PARAMETER 0x12 // Invalid HCI Command Parameters
define LL_STATUS_ERROR_ILLEGAL_PARAM_COMBINATION 0x12 // Invalid HCI Command Parameters
define LL_STATUS_ERROR_BAD_PARAMETER 0x12 // Invalid HCI Command Parameters or 0x30: Parameter Out of Mandatory Range?
define LL_STATUS_ERROR_UNKNOWN_ADV_EVT_TYPE 0x12 // Invalid HCI Command Parameters or 0x30: Parameter Out of Mandatory Range?
define LL_STATUS_ERROR_PEER_TERM 0x13 // Remote User Terminated Connection
define LL_STATUS_ERROR_PEER_DEVICE_TERM_LOW_RESOURCES 0x14 // Remote Device Terminated Connection Due To Low Resources
define LL_STATUS_ERROR_PEER_DEVICE_TERM_POWER_OFF 0x15 // Remote Device Terminated Connection Due To Power Off
define LL_STATUS_ERROR_HOST_TERM 0x16 // Connection Terminated By Local Host
define LL_STATUS_ERROR_UNSUPPORTED_REMOTE_FEATURE 0x1A // Unsupported Remote Feature
define LL_STATUS_ERROR_WL_ENTRY_NOT_FOUND 0x1F // Unspecified Error
define LL_STATUS_ERROR_WL_TABLE_EMPTY 0x1F // Unspecified Error
define LL_STATUS_ERROR_RNG_FAILURE 0x1F // Unspecified Error
define LL_STATUS_ERROR_DISCONNECT_IMMEDIATE 0x1F // Unspecified Error
define LL_STATUS_ERROR_UNEXPECTED_STATE_ROLE 0x21 // Role Change Not Allowed
define LL_STATUS_ERROR_LL_TIMEOUT 0x22 // Link Layer Response Timeout
define LL_STATUS_ERROR_LL_TIMEOUT_HOST 0x22 // Link Layer Response Timeout
define LL_STATUS_ERROR_LL_TIMEOUT_PEER 0x22 // Link Layer Response Timeout
define LL_STATUS_ERROR_INSTANT_PASSED 0x28 // Instant Passed
define LL_STATUS_ERROR_INSTANT_PASSED_HOST 0x28 // Instant Passed
define LL_STATUS_ERROR_INSTANT_PASSED_PEER 0x28 // Instant Passed
define LL_STATUS_ERROR_KEY_PAIRING_NOT_SUPPORTED 0x29 // Pairing With Unit Key Not Supported
define LL_STATUS_ERROR_NO_ADV_CHAN_FOUND 0x30 // Parameter Out Of Mandatory Range
define LL_STATUS_ERROR_PARAM_OUT_OF_RANGE 0x30 // Parameter Out Of Mandatory Range
define LL_STATUS_ERROR_UPDATE_CTRL_PROC_PENDING 0x3A // Controller Busy
define LL_STATUS_ERROR_CTRL_PROC_ALREADY_ACTIVE 0x3A // Controller Busy
define LL_STATUS_ERROR_VER_INFO_REQ_ALREADY_PENDING 0x3A // Controller Busy
define LL_STATUS_ERROR_UNACCEPTABLE_CONN_INTERVAL 0x3B // Unacceptable Connection Interval
define LL_STATUS_ERROR_DIRECTED_ADV_TIMEOUT 0x3C // Directed Advertising Timeout
define LL_STATUS_ERROR_CONN_TERM_DUE_TO_MIC_FAILURE 0x3D // Connection Terminated Due To MIC Failure
define LL_STATUS_ERROR_CONN_FAILED_TO_BE_ESTABLISHED 0x3E // Connection Failed To Be Established
define LL_STATUS_ERROR_CONN_TIMING_FAILURE 0x3F // MAC Connection Failed
卫朋
人人都是产品经理受邀专栏作家，CSDN 嵌入式领域新星创作者、资深技术博主。2020 年 8 月开始写产品相关内容，截至目前，人人都是产品经理单渠道阅读 56 万+，鸟哥笔记单渠道阅读200 万+，CSDN 单渠道阅读 210 万+，51CTO单渠道阅读 180 万+。
卫朋入围2021/2022年人人都是产品经理平台年度作者，光环国际学习社区首批原创者、知识合作伙伴，商业新知 2021 年度产品十佳创作者，腾讯调研云2022年达人榜第三名。
文章被人人都是产品经理、CSDN、华为云、运营派、产品壹佰、鸟哥笔记、光环国际、商业新知、腾讯调研云等头部垂直类媒体转载。文章见仁见智，各位看官可策略性选择对于自己有用的部分。
