111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/** @file
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* @brief Internal APIs for Bluetooth ISO handling.
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*/
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/*
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* Copyright (c) 2020 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <iso.h>
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#define BT_ISO_DATA_PATH_DISABLED 0xFF
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struct iso_data {
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/** BT_BUF_ISO_IN */
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uint8_t type;
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/* Index into the bt_conn storage array */
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uint8_t index;
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/** ISO connection handle */
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uint16_t handle;
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/** ISO timestamp */
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uint32_t ts;
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};
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#define iso(buf) ((struct iso_data *)net_buf_user_data(buf))
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#if defined(CONFIG_BT_MAX_ISO_CONN)
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extern struct bt_conn iso_conns[CONFIG_BT_MAX_ISO_CONN];
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#endif
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/* Process ISO buffer */
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void hci_iso(struct net_buf *buf);
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/* Allocates RX buffer */
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struct net_buf *bt_iso_get_rx(uint32_t timeout);
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/* Create new ISO connecting */
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struct bt_conn *iso_new(void);
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/* Process CIS Estabilished event */
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void hci_le_cis_estabilished(struct net_buf *buf);
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/* Process CIS Request event */
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void hci_le_cis_req(struct net_buf *buf);
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/* Notify ISO channels of a new connection */
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int bt_iso_accept(struct bt_conn *conn);
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/* Notify ISO channels of a new connection */
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void bt_iso_connected(struct bt_conn *conn);
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/* Notify ISO channels of a disconnect event */
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void bt_iso_disconnected(struct bt_conn *conn);
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/* Allocate ISO PDU */
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#if defined(CONFIG_NET_BUF_LOG)
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struct net_buf *bt_iso_create_pdu_timeout_debug(struct net_buf_pool *pool,
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size_t reserve,
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k_timeout_t timeout,
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const char *func, int line);
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#define bt_iso_create_pdu_timeout(_pool, _reserve, _timeout) \
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bt_iso_create_pdu_timeout_debug(_pool, _reserve, _timeout, \
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__func__, __LINE__)
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#define bt_iso_create_pdu(_pool, _reserve) \
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bt_iso_create_pdu_timeout_debug(_pool, _reserve, K_FOREVER, \
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__func__, __line__)
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#else
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struct net_buf *bt_iso_create_pdu_timeout(struct net_buf_pool *pool,
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size_t reserve, uint32_t timeout);
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#define bt_iso_create_pdu(_pool, _reserve) \
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bt_iso_create_pdu_timeout(_pool, _reserve, K_FOREVER)
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#endif
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/* Allocate ISO Fragment */
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#if defined(CONFIG_NET_BUF_LOG)
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struct net_buf *bt_iso_create_frag_timeout_debug(size_t reserve,
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k_timeout_t timeout,
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const char *func, int line);
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#define bt_iso_create_frag_timeout(_reserve, _timeout) \
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bt_iso_create_frag_timeout_debug(_reserve, _timeout, \
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__func__, __LINE__)
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#define bt_iso_create_frag(_reserve) \
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bt_iso_create_frag_timeout_debug(_reserve, K_FOREVER, \
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__func__, __LINE__)
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#else
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struct net_buf *bt_iso_create_frag_timeout(size_t reserve, uint32_t timeout);
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#define bt_iso_create_frag(_reserve) \
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bt_iso_create_frag_timeout(_reserve, K_FOREVER)
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#endif
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#if defined(CONFIG_BT_AUDIO_DEBUG_ISO)
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void bt_iso_chan_set_state_debug(struct bt_iso_chan *chan, uint8_t state,
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const char *func, int line);
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#define bt_iso_chan_set_state(_chan, _state) \
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bt_iso_chan_set_state_debug(_chan, _state, __func__, __LINE__)
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#else
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void bt_iso_chan_set_state(struct bt_iso_chan *chan, uint8_t state);
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#endif /* CONFIG_BT_AUDIO_DEBUG_ISO */
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/* Process incoming data for a connection */
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void bt_iso_recv(struct bt_conn *conn, struct net_buf *buf, uint8_t flags);
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