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Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
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zephyr/subsys/bluetooth/host/classic/hfp_hf_internal.h

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/** @file
* @brief Internal APIs for Bluetooth Handsfree profile handling.
*/
/*
* Copyright (c) 2015-2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "hfp_internal.h"
#if defined(CONFIG_BT_HFP_HF_CLI)
#define BT_HFP_HF_FEATURE_CLI_ENABLE BT_HFP_HF_FEATURE_CLI
#define BT_HFP_HF_SDP_FEATURE_CLI_ENABLE BT_HFP_HF_SDP_FEATURE_CLI
#else
#define BT_HFP_HF_FEATURE_CLI_ENABLE 0
#define BT_HFP_HF_SDP_FEATURE_CLI_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_CLI */
#if defined(CONFIG_BT_HFP_HF_VOLUME)
#define BT_HFP_HF_FEATURE_VOLUME_ENABLE BT_HFP_HF_FEATURE_VOLUME
#define BT_HFP_HF_SDP_FEATURE_VOLUME_ENABLE BT_HFP_HF_SDP_FEATURE_VOLUME
#else
#define BT_HFP_HF_FEATURE_VOLUME_ENABLE 0
#define BT_HFP_HF_SDP_FEATURE_VOLUME_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_VOLUME */
#if defined(CONFIG_BT_HFP_HF_CODEC_NEG)
#define BT_HFP_HF_CODEC_NEG_ENABLE BT_HFP_HF_FEATURE_CODEC_NEG
#else
#define BT_HFP_HF_CODEC_NEG_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_CODEC_NEG */
#if defined(CONFIG_BT_HFP_HF_ECNR)
#define BT_HFP_HF_FEATURE_ECNR_ENABLE BT_HFP_HF_FEATURE_ECNR
#define BT_HFP_HF_SDP_FEATURE_ECNR_ENABLE BT_HFP_HF_SDP_FEATURE_ECNR
#else
#define BT_HFP_HF_FEATURE_ECNR_ENABLE 0
#define BT_HFP_HF_SDP_FEATURE_ECNR_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_CODEC_NEG */
#if defined(CONFIG_BT_HFP_HF_3WAY_CALL)
#define BT_HFP_HF_FEATURE_3WAY_CALL_ENABLE BT_HFP_HF_FEATURE_3WAY_CALL
#define BT_HFP_HF_SDP_FEATURE_3WAY_CALL_ENABLE BT_HFP_HF_SDP_FEATURE_3WAY_CALL
#else
#define BT_HFP_HF_FEATURE_3WAY_CALL_ENABLE 0
#define BT_HFP_HF_SDP_FEATURE_3WAY_CALL_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_3WAY_CALL */
#if defined(CONFIG_BT_HFP_HF_ECS)
#define BT_HFP_HF_FEATURE_ECS_ENABLE BT_HFP_HF_FEATURE_ECS
#else
#define BT_HFP_HF_FEATURE_ECS_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_ECS */
#if defined(CONFIG_BT_HFP_HF_ECC)
#define BT_HFP_HF_FEATURE_ECC_ENABLE BT_HFP_HF_FEATURE_ECC
#else
#define BT_HFP_HF_FEATURE_ECC_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_ECC */
#if defined(CONFIG_BT_HFP_HF_VOICE_RECG)
#define BT_HFP_HF_FEATURE_VOICE_RECG_ENABLE BT_HFP_HF_FEATURE_VOICE_RECG
#define BT_HFP_HF_SDP_FEATURE_VOICE_RECG_ENABLE BT_HFP_HF_SDP_FEATURE_VOICE_RECG
#else
#define BT_HFP_HF_FEATURE_VOICE_RECG_ENABLE 0
#define BT_HFP_HF_SDP_FEATURE_VOICE_RECG_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_VOICE_RECG */
#if defined(CONFIG_BT_HFP_HF_ENH_VOICE_RECG)
#define BT_HFP_HF_FEATURE_ENH_VOICE_RECG_ENABLE BT_HFP_HF_FEATURE_ENH_VOICE_RECG
#define BT_HFP_HF_SDP_FEATURE_ENH_VOICE_RECG_ENABLE BT_HFP_HF_SDP_FEATURE_ENH_VOICE_RECG
#else
#define BT_HFP_HF_FEATURE_ENH_VOICE_RECG_ENABLE 0
#define BT_HFP_HF_SDP_FEATURE_ENH_VOICE_RECG_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_ENH_VOICE_RECG */
#if defined(CONFIG_BT_HFP_HF_VOICE_RECG_TEXT)
#define BT_HFP_HF_FEATURE_VOICE_RECG_TEXT_ENABLE BT_HFP_HF_FEATURE_VOICE_RECG_TEXT
#define BT_HFP_HF_SDP_FEATURE_VOICE_RECG_TEXT_ENABLE BT_HFP_HF_SDP_FEATURE_VOICE_RECG_TEXT
#else
#define BT_HFP_HF_FEATURE_VOICE_RECG_TEXT_ENABLE 0
#define BT_HFP_HF_SDP_FEATURE_VOICE_RECG_TEXT_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_VOICE_RECG_TEXT */
#if defined(CONFIG_BT_HFP_HF_HF_INDICATORS)
#define BT_HFP_HF_FEATURE_HF_IND_ENABLE BT_HFP_HF_FEATURE_HF_IND
#else
#define BT_HFP_HF_FEATURE_HF_IND_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_HF_INDICATORS */
/* HFP HF Supported features */
#define BT_HFP_HF_SUPPORTED_FEATURES (\
BT_HFP_HF_FEATURE_CLI_ENABLE | \
BT_HFP_HF_SDP_FEATURE_VOLUME_ENABLE |\
BT_HFP_HF_CODEC_NEG_ENABLE | \
BT_HFP_HF_FEATURE_ECNR_ENABLE | \
BT_HFP_HF_FEATURE_3WAY_CALL_ENABLE | \
BT_HFP_HF_FEATURE_ECS_ENABLE | \
BT_HFP_HF_FEATURE_ECC_ENABLE | \
BT_HFP_HF_FEATURE_VOICE_RECG_ENABLE | \
BT_HFP_HF_FEATURE_ENH_VOICE_RECG_ENABLE | \
BT_HFP_HF_FEATURE_VOICE_RECG_TEXT_ENABLE | \
BT_HFP_HF_FEATURE_HF_IND_ENABLE)
/* HFP HF Supported features in SDP */
#define BT_HFP_HF_SDP_SUPPORTED_FEATURES (\
BT_HFP_HF_SDP_FEATURE_CLI_ENABLE | \
BT_HFP_HF_SDP_FEATURE_VOLUME_ENABLE | \
BT_HFP_HF_SDP_FEATURE_ECNR_ENABLE | \
BT_HFP_HF_SDP_FEATURE_3WAY_CALL_ENABLE | \
BT_HFP_HF_SDP_FEATURE_VOICE_RECG_ENABLE | \
BT_HFP_HF_SDP_FEATURE_ENH_VOICE_RECG_ENABLE | \
BT_HFP_HF_SDP_FEATURE_VOICE_RECG_TEXT_ENABLE)
#define BT_HFP_HF_CODEC_CVSD_MASK BIT(BT_HFP_HF_CODEC_CVSD)
#if defined(CONFIG_BT_HFP_HF_CODEC_MSBC)
#define BT_HFP_HF_CODEC_MSBC_ENABLE BIT(BT_HFP_HF_CODEC_MSBC)
#else
#define BT_HFP_HF_CODEC_MSBC_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_CODEC_MSBC */
#if defined(CONFIG_BT_HFP_HF_CODEC_LC3_SWB)
#define BT_HFP_HF_CODEC_LC3_SWB_ENABLE BIT(BT_HFP_HF_CODEC_LC3_SWB)
#else
#define BT_HFP_HF_CODEC_LC3_SWB_ENABLE 0
#endif /* CONFIG_BT_HFP_HF_CODEC_LC3_SWB */
/* HFP HF Supported Codec IDs*/
#define BT_HFP_HF_SUPPORTED_CODEC_IDS \
BT_HFP_HF_CODEC_CVSD_MASK | \
BT_HFP_HF_CODEC_MSBC_ENABLE | \
BT_HFP_HF_CODEC_LC3_SWB_ENABLE
/* bt_hfp_hf flags: the flags defined here represent hfp hf parameters */
enum {
BT_HFP_HF_FLAG_CONNECTED, /* HFP HF SLC Established */
BT_HFP_HF_FLAG_TX_ONGOING, /* HFP HF TX is ongoing */
BT_HFP_HF_FLAG_RX_ONGOING, /* HFP HF RX is ongoing */
BT_HFP_HF_FLAG_CODEC_CONN, /* HFP HF codec connection setup */
BT_HFP_HF_FLAG_CLCC_PENDING, /* HFP HF CLCC is pending */
BT_HFP_HF_FLAG_VRE_ACTIVATE, /* VRE is activated */
BT_HFP_HF_FLAG_BINP, /* +BINP result code is received */
/* Total number of flags - must be at the end of the enum */
BT_HFP_HF_NUM_FLAGS,
};
/* bt_hfp_hf_call flags: the flags defined here represent hfp hf call parameters */
enum {
BT_HFP_HF_CALL_IN_USING, /* Object is in using */
BT_HFP_HF_CALL_CLCC, /* CLCC report received */
BT_HFP_HF_CALL_INCOMING, /* Incoming call */
BT_HFP_HF_CALL_INCOMING_HELD, /* Incoming call held */
BT_HFP_HF_CALL_OUTGOING_3WAY, /* Outgoing 3 way call */
BT_HFP_HF_CALL_INCOMING_3WAY, /* Incoming 3 way call */
/* Total number of flags - must be at the end of the enum */
BT_HFP_HF_CALL_NUM_FLAGS,
};
/* bt_hfp_hf_call state: the flags defined here represent hfp hf call state parameters */
enum {
/* Call state flags */
BT_HFP_HF_CALL_STATE_TERMINATE, /* Call terminate */
BT_HFP_HF_CALL_STATE_OUTGOING, /* Call outgoing */
BT_HFP_HF_CALL_STATE_INCOMING, /* Call incoming */
BT_HFP_HF_CALL_STATE_ALERTING, /* Call alerting */
BT_HFP_HF_CALL_STATE_WAITING, /* Call waiting */
BT_HFP_HF_CALL_STATE_ACTIVE, /* Call active */
BT_HFP_HF_CALL_STATE_HELD, /* Call held */
/* Total number of flags - must be at the end of the enum */
BT_HFP_HF_CALL_STATE_NUM_FLAGS,
};
struct bt_hfp_hf_call {
struct bt_hfp_hf *hf;
uint8_t index;
ATOMIC_DEFINE(flags, BT_HFP_HF_CALL_NUM_FLAGS);
ATOMIC_DEFINE(state, BT_HFP_HF_CALL_STATE_NUM_FLAGS);
};
struct bt_hfp_hf {
struct bt_rfcomm_dlc rfcomm_dlc;
/* ACL connection handle */
struct bt_conn *acl;
/* AT command sending queue */
at_finish_cb_t backup_finish;
struct k_fifo tx_pending;
/* SCO Channel */
struct bt_sco_chan chan;
char hf_buffer[HF_MAX_BUF_LEN];
struct at_client at;
uint32_t hf_features;
uint32_t ag_features;
uint8_t hf_codec_ids;
uint8_t vgm;
uint8_t vgs;
int8_t ind_table[HF_MAX_AG_INDICATORS];
uint32_t hf_ind;
uint32_t ag_ind;
uint32_t ind_enable;
/* AT command initialization indicator */
uint8_t cmd_init_seq;
/* The features supported by AT+CHLD */
uint32_t chld_features;
/* Worker for pending TX */
struct k_work work;
struct k_work_delayable deferred_work;
/* calls */
struct bt_hfp_hf_call calls[CONFIG_BT_HFP_HF_MAX_CALLS];
ATOMIC_DEFINE(flags, BT_HFP_HF_NUM_FLAGS);
};