357 lines
12 KiB
C
357 lines
12 KiB
C
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#ifndef _GAF_API_H
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#define _GAF_API_H
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#include <stdint.h>
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#include "gap_api.h"
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/// Length of Codec ID value
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#define GAF_CODEC_ID_LEN (5)
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#define GAF_KEY_LEN (16)
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/// Event ID for callback
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enum gaf_cb_event_id
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{
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GAF_BAP_CONFIGURED,
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GAF_BAP_BC_SRC_GROUP_ADDED,
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GAF_BAP_BC_SRC_GROUP_SET,
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GAF_BAP_BC_SRC_SUBGROUP_SET,
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GAF_BAP_BC_SRC_STREAM_SET,
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GAF_BAP_BC_SRC_PA_ENABLED,
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GAF_BAP_BC_SRC_ENABLED,
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GAF_BAP_BC_SRC_STREAM_STARTED,
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GAF_BAP_BC_SCAN_STARTED,
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GAF_BAP_BC_SCAN_STOPPED,
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GAF_BAP_BC_SCAN_PA_SYNC_STARTED,
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GAF_BAP_BC_SCAN_PARAM_SET,
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GAF_BAP_BC_SCAN_TIMEOUT,
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GAF_BAP_BC_SCAN_REPORT,
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GAF_BAP_BC_SCAN_PA_ESTABLISHED,
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GAF_BAP_BC_SCAN_PA_TERMINATED,
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GAF_BAP_BC_SCAN_PA_REPORT,
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GAF_BAP_BC_SCAN_BIG_INFO_REPORT,
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GAF_BAP_BC_SCAN_GROUP_REPORT,
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GAF_BAP_BC_SCAN_SUBGROUP_REPORT,
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GAF_BAP_BC_SCAN_STREAM_REPORT,
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GAF_BAP_BC_SINK_ENABLED,
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GAF_BAP_BC_SINK_STREAM_STARTED,
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GAF_BAP_BC_SINK_ISO_DATA,
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GAF_UNHANDLED_MSG,
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};
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/// Response Code values for ASE Control Point characteristic
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enum bap_uc_cp_rsp_code
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{
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/// Success
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BAP_UC_CP_RSP_CODE_SUCCESS = 0,
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/// Unsupported Opcode
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BAP_UC_CP_RSP_CODE_UNSUPPORTED_OPCODE,
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/// Truncated Operation
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BAP_UC_CP_RSP_CODE_TRUNACTED_OPERATION,
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/// Invalid ASE ID
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BAP_UC_CP_RSP_CODE_INVALID_ASE_ID,
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/// Invalid ASE State Machine Transition
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BAP_UC_CP_RSP_CODE_INVALID_TRANSITION,
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/// Unsupported Audio Capabilities
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BAP_UC_CP_RSP_CODE_UNSUPPORTED_AUDIO_CAPA,
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/// Unsupported Configuration Parameter value
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BAP_UC_CP_RSP_CODE_UNSUPPORTED_CFG_PARAM,
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/// Rejected Configuration Parameter value
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BAP_UC_CP_RSP_CODE_REJECTED_CFG_PARAM,
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/// Invalid Configuration Parameter value
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BAP_UC_CP_RSP_CODE_INVALID_CFG_PARAM,
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/// Unsupported Metadata
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BAP_UC_CP_RSP_CODE_UNSUPPORTED_METADATA,
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/// Rejected Metadata
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BAP_UC_CP_RSP_CODE_REJECTED_METADATA,
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/// Invalid Metadata
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BAP_UC_CP_RSP_CODE_INVALID_METADATA,
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/// Insufficient Resources
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BAP_UC_CP_RSP_CODE_INSUFFICIENT_RESOURCES,
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/// Unspecified Error
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BAP_UC_CP_RSP_CODE_UNSPECIFIED_ERROR,
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BAP_UC_CP_RSP_CODE_MAX,
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};
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/// Reason values for ASE Control Point characteristic
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enum bap_uc_cp_reason
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{
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BAP_UC_CP_REASON_MIN = 1,
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/// Direction
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BAP_UC_CP_REASON_DIRECTION = BAP_UC_CP_REASON_MIN,
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/// Codec ID
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BAP_UC_CP_REASON_CODEC_ID,
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/// Codec Specific Configuration Length
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BAP_UC_CP_REASON_CODEC_CFG_LEN,
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/// Codec Specific Configuration
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BAP_UC_CP_REASON_CODEC_CFG,
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/// SDU Interval
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BAP_UC_CP_REASON_SDU_INTERVAL,
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/// Framing
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BAP_UC_CP_REASON_FRAMING,
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/// PHY
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BAP_UC_CP_REASON_PHY,
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/// Maximum SDU Size
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BAP_UC_CP_REASON_MAX_SDU_SIZE,
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/// Retransmission Number
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BAP_UC_CP_REASON_RETX_NB,
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/// Transport Latency
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BAP_UC_CP_REASON_TRANS_LATENCY,
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/// Presentation Delay
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BAP_UC_CP_REASON_PRES_DELAY,
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/// Metadata length
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BAP_UC_CP_REASON_METADATA_LEN,
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BAP_UC_CP_REASON_MAX,
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};
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/// Codec Identifier
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typedef struct gaf_codec_id
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{
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/// Codec ID value
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uint8_t codec_id[GAF_CODEC_ID_LEN];
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} gaf_codec_id_t;
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/// Broadcast code used for stream encryption
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typedef struct gaf_bcast_code_t
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{
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/// Broadcast Code value
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uint8_t bcast_code[GAF_KEY_LEN];
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} gaf_bcast_code_t;
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/// QoS Requirement structure
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typedef struct bap_qos_req
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{
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/// Preferred SDU interval minimum in microseconds
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/// From 255us (0xFF) to 16777215us (0xFFFFFF)
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uint32_t sdu_intv_min_us;
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/// Preferred SDU interval maximum in microseconds
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/// From 255us (0xFF) to 16777215us (0xFFFFFF)
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uint32_t sdu_intv_max_us;
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/// Presentation delay minimum microseconds
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uint32_t pres_delay_min_us;
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/// Presentation delay maximum in microseconds
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uint32_t pres_delay_max_us;
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/// Preferred Transport latency maximum in milliseconds
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/// From 5ms (0x5) to 4000ms (0xFA0)
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uint16_t trans_latency_max_ms;
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/// Preferred maximum SDU size
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/// From 0 to 4095 bytes (0xFFF)
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uint16_t max_sdu_size;
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/// Preferred PDU framing arrangement
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uint8_t framing;
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/// Preferred PHY bit field
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uint8_t phy_bf;
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/// Preferred maximum number of retransmissions for each CIS Data PDU
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/// From 0 to 15
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uint8_t retx_nb;
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} bap_qos_req_t;
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/// Broadcast Group Parameters structure
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typedef struct bap_bc_grp_param
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{
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/// SDU interval in microseconds
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uint32_t sdu_intv_us;
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/// Maximum size of an SDU
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uint16_t max_sdu;
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/// Maximum time (in milliseconds) between the first transmission of an SDU to the end of the last transmission
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/// of the same SDU
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uint16_t max_tlatency;
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/// Sequential or Interleaved scheduling
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uint8_t packing;
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/// Unframed or framed mode
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uint8_t framing;
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/// Bitfield indicating PHYs that can be used by the controller for transmission of SDUs
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uint8_t phy_bf;
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/// Number of times every PDU should be transmitted
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uint8_t rtn;
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}bap_bc_grp_param_t;
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/// Advertising Parameters structure
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typedef struct bap_bc_adv_param
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{
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/// Minimum advertising interval in multiple of 0.625ms. Must be higher than 20ms.
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uint32_t adv_intv_min_slot;
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/// Maximum advertising interval in multiple of 0.625ms. Must be higher than 20ms.
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uint32_t adv_intv_max_slot;
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/// Channel Map
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uint8_t chnl_map;
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/// PHY for primary advertising. Only LE 1M and LE Codec PHYs are allowed
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uint8_t phy_prim;
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/// PHY for secondary advertising
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uint8_t phy_second;
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/// Advertising SID
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uint8_t adv_sid;
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}bap_bc_adv_param_t;
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/// Periodic Advertising Parameters structure
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typedef struct bap_bc_per_adv_param
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{
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/// Minimum periodic advertising interval in multiple of 1.25ms. Must be higher than 7.5ms
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uint32_t adv_intv_min_frame;
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/// Maximum periodic advertising interval in multiple of 1.25ms. Must be higher than 7.5ms
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uint32_t adv_intv_max_frame;
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} bap_bc_per_adv_param_t;
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/// BIG Info Report
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typedef struct gaf_big_info
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{
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/// Value of the SDU interval in microseconds (Range 0x0000FF-0x0FFFFF)
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uint32_t sdu_interval;
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/// Value of the ISO Interval (1.25 ms unit)
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uint16_t iso_interval;
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/// Value of the maximum PDU size (Range 0x0000-0x00FB)
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uint16_t max_pdu;
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/// VValue of the maximum SDU size (Range 0x0000-0x0FFF)
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uint16_t max_sdu;
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/// Number of BIS present in the group (Range 0x01-0x1F)
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uint8_t num_bis;
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/// Number of sub-events (Range 0x01-0x1F)
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uint8_t nse;
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/// Burst number (Range 0x01-0x07)
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uint8_t bn;
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/// Pre-transmit offset (Range 0x00-0x0F)
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uint8_t pto;
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/// Initial retransmission count (Range 0x01-0x0F)
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uint8_t irc;
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/// PHY used for transmission (0x01: 1M, 0x02: 2M, 0x03: Coded, All other values: RFU)
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uint8_t phy;
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/// Framing mode (0x00: Unframed, 0x01: Framed, All other values: RFU)
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uint8_t framing;
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/// True if broadcast isochronous group is encrypted, False otherwise
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bool encrypted;
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} gaf_big_info_t;
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typedef struct gaf_iso_data {
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uint16_t sdu_seq;
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uint16_t length;
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uint8_t *buffer;
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bool ts_exist;
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uint32_t ts;
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} gaf_iso_data_t;
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typedef union _gaf_callback_param {
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uint16_t status;
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struct {
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struct gap_ble_addr addr;
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uint8_t adv_sid;
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uint8_t length;
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uint8_t *data;
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} scan_report;
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struct {
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uint8_t pa_lid;
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struct gap_ble_addr addr;
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uint8_t adv_sid;
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} scan_pa_establised;
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struct {
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uint8_t pa_lid;
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uint8_t reason;
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} scan_pa_terminated;
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struct {
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uint8_t pa_lid;
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uint8_t length;
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uint8_t *data;
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} scan_pa_report;
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struct {
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uint8_t pa_lid;
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struct gaf_big_info *big_info;
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} scan_big_info_report;
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struct {
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uint8_t pa_lid;
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uint8_t nb_subgroup;
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uint8_t nb_stream;
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uint32_t pres_delay_us;
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} scan_group_report;
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struct {
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uint8_t pa_lid;
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uint8_t subgroup_lid;
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gaf_codec_id_t *codec_id;
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uint32_t stream_pos_bf;
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uint8_t cfg_len;
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uint8_t metadata_len;
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uint8_t *cfg;
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uint8_t *metadata;
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} scan_subgroup_report;
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struct {
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uint8_t pa_lid;
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uint32_t stream_pos;
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uint8_t cfg_len;
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uint8_t *cfg;
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} scan_stream_report;
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struct {
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uint8_t stream_lid;
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bool ts_exist;
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uint32_t ts;
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uint16_t sdu_seq;
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uint16_t length;
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uint8_t *buffer;
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} sink_iso_data;
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struct {
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uint16_t msg_type;
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uint16_t cmd_code;
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uint16_t status;
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} unhandled_msg;
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} gaf_callback_param_t;
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typedef void (*gaf_callback_t)(uint8_t event, gaf_callback_param_t *param);
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void gaf_cfg(gaf_callback_t cb);
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void gaf_bap_capa_record_add(uint8_t pac_id, uint8_t record_id, gaf_codec_id_t *codec_id, uint16_t cap_len, uint8_t *cap);
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void gaf_bap_capa_record_remove(uint8_t record_id);
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void gaf_bap_uc_srv_codec_configure(uint8_t con_lid, uint8_t ase_lid, uint8_t ase_instance_idx, uint8_t direction, uint8_t dp_id,
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gaf_codec_id_t *codec_id, bap_qos_req_t *qos_req, uint32_t ctl_delay_us,
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uint16_t cfg_len, uint8_t *cfg);
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void gaf_bap_uc_srv_codec_configure_cfm(uint16_t status, uint8_t rsp_code, uint8_t reason, uint8_t ase_lid, uint8_t dp_id,
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gaf_codec_id_t *codec_id, bap_qos_req_t *qos_req, uint32_t ctl_delay_us,
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uint16_t cfg_len, uint8_t *cfg);
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void gaf_bap_bc_src_group_add(uint8_t nb_stream, uint8_t nb_subgroups,
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bap_bc_grp_param_t *grp_param,
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bap_bc_adv_param_t *adv_param,
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bap_bc_per_adv_param_t *per_adv_param);
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void gaf_bap_bc_src_group_set(uint8_t grp_lid, uint32_t pres_delay_us, gaf_codec_id_t *codec_id,
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uint8_t cfg_len, uint8_t metadata_len, uint8_t *val);
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void gaf_bap_bc_src_subgroup_set(uint8_t grp_lid, uint8_t sgrp_lid,
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uint8_t metadata_len, uint8_t *metadata);
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void gaf_bap_bc_src_stream_set(uint8_t grp_lid, uint8_t sgrp_lid, uint8_t stream_lid, uint32_t ctl_delay_us, uint8_t dp_id,
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uint8_t cfg_len, uint8_t *cfg);
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void gaf_bap_bc_src_pa_enable(uint8_t grp_lid, uint8_t adv_data_len, uint8_t per_adv_data_len, uint8_t *data);
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void gaf_bap_bc_src_enable(uint8_t grp_lid, uint8_t encrypted, gaf_bcast_code_t *bcast_code);
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void gaf_bap_bc_src_stream_start(uint8_t grp_lid, uint32_t stream_lid_bf);
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void gaf_bap_bc_src_send_data(uint8_t grp_lid, uint8_t stream_lid, gaf_iso_data_t *data);
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void gaf_bap_bc_scan_set_param(uint16_t intv_1m_slot, uint16_t intv_coded_slot,
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uint16_t wd_1m_slot, uint16_t wd_coded_slot);
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void gaf_bap_bc_scan_start(uint16_t timeout_s);
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void gaf_bap_bc_scan_stop(void);
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void gaf_bap_bc_scan_pa_sync(struct gap_ble_addr *addr, uint8_t adv_sid, uint16_t skip, uint8_t report_filter_bf, uint16_t sync_to, uint16_t timeout_s);
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void gaf_bap_bc_sink_enable(uint8_t pa_lid, uint8_t mse, uint32_t stream_pos_bf,
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uint16_t timeout_s,
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uint8_t encrypted,
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gaf_bcast_code_t *bcast_code);
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void gaf_bap_bc_sink_stream_start(uint8_t grp_lid, uint8_t stream_pos, uint32_t ctl_delay_us,
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gaf_codec_id_t *codec_id,
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uint8_t dp_id, uint8_t cfg_len,
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uint8_t *cfg);
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#endif // _GAF_API_H
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