1 /** @file 2 * @brief Internal APIs for Bluetooth Handsfree profile handling. 3 */ 4 5 /* 6 * Copyright (c) 2015-2016 Intel Corporation 7 * 8 * SPDX-License-Identifier: Apache-2.0 9 */ 10 11 #define BT_HFP_MAX_MTU 140 12 #define BT_HF_CLIENT_MAX_PDU BT_HFP_MAX_MTU 13 14 /* HFP AG Features */ 15 #define BT_HFP_AG_FEATURE_3WAY_CALL 0x00000001 /* Three-way calling */ 16 #define BT_HFP_AG_FEATURE_ECNR 0x00000002 /* EC and/or NR function */ 17 #define BT_HFP_AG_FEATURE_VOICE_RECG 0x00000004 /* Voice recognition */ 18 #define BT_HFP_AG_INBAND_RING_TONE 0x00000008 /* In-band ring capability */ 19 #define BT_HFP_AG_VOICE_TAG 0x00000010 /* Attach no. to voice tag */ 20 #define BT_HFP_AG_FEATURE_REJECT_CALL 0x00000020 /* Ability to reject call */ 21 #define BT_HFP_AG_FEATURE_ECS 0x00000040 /* Enhanced call status */ 22 #define BT_HFP_AG_FEATURE_ECC 0x00000080 /* Enhanced call control */ 23 #define BT_HFP_AG_FEATURE_EXT_ERR 0x00000100 /* Extented error codes */ 24 #define BT_HFP_AG_FEATURE_CODEC_NEG 0x00000200 /* Codec negotiation */ 25 #define BT_HFP_AG_FEATURE_HF_IND 0x00000400 /* HF Indicators */ 26 #define BT_HFP_AG_FEARTURE_ESCO_S4 0x00000800 /* eSCO S4 Settings */ 27 28 /* HFP HF Features */ 29 #define BT_HFP_HF_FEATURE_ECNR 0x00000001 /* EC and/or NR */ 30 #define BT_HFP_HF_FEATURE_3WAY_CALL 0x00000002 /* Three-way calling */ 31 #define BT_HFP_HF_FEATURE_CLI 0x00000004 /* CLI presentation */ 32 #define BT_HFP_HF_FEATURE_VOICE_RECG 0x00000008 /* Voice recognition */ 33 #define BT_HFP_HF_FEATURE_VOLUME 0x00000010 /* Remote volume control */ 34 #define BT_HFP_HF_FEATURE_ECS 0x00000020 /* Enhanced call status */ 35 #define BT_HFP_HF_FEATURE_ECC 0x00000040 /* Enhanced call control */ 36 #define BT_HFP_HF_FEATURE_CODEC_NEG 0x00000080 /* CODEC Negotiation */ 37 #define BT_HFP_HF_FEATURE_HF_IND 0x00000100 /* HF Indicators */ 38 #define BT_HFP_HF_FEATURE_ESCO_S4 0x00000200 /* eSCO S4 Settings */ 39 40 /* HFP HF Supported features */ 41 #define BT_HFP_HF_SUPPORTED_FEATURES (BT_HFP_HF_FEATURE_CLI | \ 42 BT_HFP_HF_FEATURE_VOLUME) 43 44 #define HF_MAX_BUF_LEN BT_HF_CLIENT_MAX_PDU 45 #define HF_MAX_AG_INDICATORS 20 46 47 struct bt_hfp_hf { 48 struct bt_rfcomm_dlc rfcomm_dlc; 49 char hf_buffer[HF_MAX_BUF_LEN]; 50 struct at_client at; 51 bt_u32_t hf_features; 52 bt_u32_t ag_features; 53 s8_t ind_table[HF_MAX_AG_INDICATORS]; 54 }; 55 56 enum hfp_hf_ag_indicators { 57 HF_SERVICE_IND, 58 HF_CALL_IND, 59 HF_CALL_SETUP_IND, 60 HF_CALL_HELD_IND, 61 HF_SINGNAL_IND, 62 HF_ROAM_IND, 63 HF_BATTERY_IND 64 }; 65