hfp_ag.c (1ec112deb972d04575b0fada678da234fad428a7) hfp_ag.c (3721a235468b7b00a1583fbaab9ebe94f874a0f4)
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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550 hfp_ag_send_error(hfp_connection->rfcomm_cid);
551 return 1;
552 }
553 hfp_connection->negotiated_codec = hfp_connection->codec_confirmed;
554 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED;
555 log_info("hfp: codec confirmed: %s", (hfp_connection->negotiated_codec == HFP_CODEC_MSBC) ? "mSBC" : "CVSD");
556 hfp_ag_send_ok(hfp_connection->rfcomm_cid);
557 // now, pick link settings
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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550 hfp_ag_send_error(hfp_connection->rfcomm_cid);
551 return 1;
552 }
553 hfp_connection->negotiated_codec = hfp_connection->codec_confirmed;
554 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED;
555 log_info("hfp: codec confirmed: %s", (hfp_connection->negotiated_codec == HFP_CODEC_MSBC) ? "mSBC" : "CVSD");
556 hfp_ag_send_ok(hfp_connection->rfcomm_cid);
557 // now, pick link settings
558
559 hfp_init_link_settings(hfp_connection, hfp_ag_esco_s4_supported(hfp_connection));
558 hfp_init_link_settings(hfp_connection, hfp_ag_esco_s4_supported(hfp_connection));
560 return 1;
559#ifdef ENABLE_CC256X_ASSISTED_HFP
560 hfp_cc256x_prepare_for_sco(hfp_connection);
561#endif
562 return 1;
561 default:
562 break;
563 }
564 return 0;
565}
566
567static void hfp_ag_slc_established(hfp_connection_t * hfp_connection){
568 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED;

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1707static void hfp_ag_run_for_context(hfp_connection_t *hfp_connection){
1708
1709 btstack_assert(hfp_connection != NULL);
1710 btstack_assert(hfp_connection->local_role == HFP_ROLE_AG);
1711
1712 // during SDP query, RFCOMM CID is not set
1713 if (hfp_connection->rfcomm_cid == 0) return;
1714
563 default:
564 break;
565 }
566 return 0;
567}
568
569static void hfp_ag_slc_established(hfp_connection_t * hfp_connection){
570 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED;

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1709static void hfp_ag_run_for_context(hfp_connection_t *hfp_connection){
1710
1711 btstack_assert(hfp_connection != NULL);
1712 btstack_assert(hfp_connection->local_role == HFP_ROLE_AG);
1713
1714 // during SDP query, RFCOMM CID is not set
1715 if (hfp_connection->rfcomm_cid == 0) return;
1716
1717 // assert command could be sent
1718 if (hci_can_send_command_packet_now() == 0) return;
1719
1720#ifdef ENABLE_CC256X_ASSISTED_HFP
1721 // WBS Disassociate
1722 if (hfp_connection->cc256x_send_wbs_disassociate){
1723 hfp_connection->cc256x_send_wbs_disassociate = false;
1724 hci_send_cmd(&hci_ti_wbs_disassociate);
1725 return;
1726 }
1727 // Write Codec Config
1728 if (hfp_connection->cc256x_send_write_codec_config){
1729 hfp_connection->cc256x_send_write_codec_config = false;
1730 hfp_cc256x_write_codec_config(hfp_connection);
1731 return;
1732 }
1733 // WBS Associate
1734 if (hfp_connection->cc256x_send_wbs_associate){
1735 hfp_connection->cc256x_send_wbs_associate = false;
1736 hci_send_cmd(&hci_ti_wbs_associate, hfp_connection->acl_handle);
1737 return;
1738 }
1739#endif
1740
1715 if (!rfcomm_can_send_packet_now(hfp_connection->rfcomm_cid)) {
1716 log_info("hfp_ag_run_for_context: request can send for 0x%02x", hfp_connection->rfcomm_cid);
1717 rfcomm_request_can_send_now_event(hfp_connection->rfcomm_cid);
1718 return;
1719 }
1720
1721 int cmd_sent = hfp_ag_send_commands(hfp_connection);
1722

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2008 break;
2009 }
2010
2011 hfp_ag_run();
2012}
2013
2014static void hfp_ag_hci_event_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
2015 hfp_handle_hci_event(packet_type, channel, packet, size, HFP_ROLE_AG);
1741 if (!rfcomm_can_send_packet_now(hfp_connection->rfcomm_cid)) {
1742 log_info("hfp_ag_run_for_context: request can send for 0x%02x", hfp_connection->rfcomm_cid);
1743 rfcomm_request_can_send_now_event(hfp_connection->rfcomm_cid);
1744 return;
1745 }
1746
1747 int cmd_sent = hfp_ag_send_commands(hfp_connection);
1748

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2034 break;
2035 }
2036
2037 hfp_ag_run();
2038}
2039
2040static void hfp_ag_hci_event_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
2041 hfp_handle_hci_event(packet_type, channel, packet, size, HFP_ROLE_AG);
2016
2017 // allow for sco established -> ring transition
2018 if (packet_type != HCI_EVENT_PACKET) return;
2019 if (hci_event_packet_get_type(packet) != HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE) return;
2020 hfp_ag_run();
2021}
2022
2023void hfp_ag_init_codecs(int codecs_nr, uint8_t * codecs){
2024 if (codecs_nr > HFP_MAX_NUM_CODECS){
2025 log_error("hfp_init: codecs_nr (%d) > HFP_MAX_NUM_CODECS (%d)", codecs_nr, HFP_MAX_NUM_CODECS);
2026 return;
2027 }

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2110
2111 hfp_connection->establish_audio_connection = 1;
2112 if (!has_codec_negotiation_feature(hfp_connection)){
2113 log_info("hfp_ag_establish_audio_connection - no codec negotiation feature, using CVSD");
2114 hfp_connection->negotiated_codec = HFP_CODEC_CVSD;
2115 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED;
2116 // now, pick link settings
2117 hfp_init_link_settings(hfp_connection, hfp_ag_esco_s4_supported(hfp_connection));
2042 hfp_ag_run();
2043}
2044
2045void hfp_ag_init_codecs(int codecs_nr, uint8_t * codecs){
2046 if (codecs_nr > HFP_MAX_NUM_CODECS){
2047 log_error("hfp_init: codecs_nr (%d) > HFP_MAX_NUM_CODECS (%d)", codecs_nr, HFP_MAX_NUM_CODECS);
2048 return;
2049 }

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2132
2133 hfp_connection->establish_audio_connection = 1;
2134 if (!has_codec_negotiation_feature(hfp_connection)){
2135 log_info("hfp_ag_establish_audio_connection - no codec negotiation feature, using CVSD");
2136 hfp_connection->negotiated_codec = HFP_CODEC_CVSD;
2137 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED;
2138 // now, pick link settings
2139 hfp_init_link_settings(hfp_connection, hfp_ag_esco_s4_supported(hfp_connection));
2140#ifdef ENABLE_CC256X_ASSISTED_HFP
2141 hfp_cc256x_prepare_for_sco(hfp_connection);
2142#endif
2118 return;
2119 }
2120
2121 hfp_connection->trigger_codec_exchange = 1;
2122}
2123
2124void hfp_ag_establish_audio_connection(hci_con_handle_t acl_handle){
2125 hfp_connection_t * hfp_connection = get_hfp_ag_connection_context_for_acl_handle(acl_handle);

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2144 }
2145
2146 hfp_connection->trigger_codec_exchange = 1;
2147}
2148
2149void hfp_ag_establish_audio_connection(hci_con_handle_t acl_handle){
2150 hfp_connection_t * hfp_connection = get_hfp_ag_connection_context_for_acl_handle(acl_handle);

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