hfp.c (4e01e8028394eb272a798dd786320dc0e7751048) hfp.c (090c81feb660788a282ef81cee7bdb8ae8d35677)
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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463 event[pos++] = HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED;
464 little_endian_store_16(event, pos, hfp_connection->acl_handle);
465 pos += 2;
466 little_endian_store_16(event, pos, sco_handle);
467 pos += 2;
468 hfp_emit_event_for_context(hfp_connection, event, sizeof(event));
469}
470
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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463 event[pos++] = HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED;
464 little_endian_store_16(event, pos, hfp_connection->acl_handle);
465 pos += 2;
466 little_endian_store_16(event, pos, sco_handle);
467 pos += 2;
468 hfp_emit_event_for_context(hfp_connection, event, sizeof(event));
469}
470
471void hfp_emit_sco_event(hfp_connection_t * hfp_connection, uint8_t status, hci_con_handle_t sco_handle, bd_addr_t addr, uint8_t negotiated_codec){
471void hfp_emit_sco_connection_established(hfp_connection_t *hfp_connection, uint8_t status, hci_con_handle_t sco_handle, bd_addr_t addr,
472 uint8_t negotiated_codec, uint16_t packet_types) {
472 btstack_assert(hfp_connection != NULL);
473 btstack_assert(hfp_connection != NULL);
473 uint8_t event[15];
474 uint8_t event[17];
474 int pos = 0;
475 event[pos++] = HCI_EVENT_HFP_META;
476 event[pos++] = sizeof(event) - 2;
477 event[pos++] = HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED;
478 little_endian_store_16(event, pos, hfp_connection->acl_handle);
479 pos += 2;
480 event[pos++] = status; // status 0 == OK
481 little_endian_store_16(event, pos, sco_handle);
482 pos += 2;
483 reverse_bd_addr(addr,&event[pos]);
484 pos += 6;
485 event[pos++] = negotiated_codec;
475 int pos = 0;
476 event[pos++] = HCI_EVENT_HFP_META;
477 event[pos++] = sizeof(event) - 2;
478 event[pos++] = HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED;
479 little_endian_store_16(event, pos, hfp_connection->acl_handle);
480 pos += 2;
481 event[pos++] = status; // status 0 == OK
482 little_endian_store_16(event, pos, sco_handle);
483 pos += 2;
484 reverse_bd_addr(addr,&event[pos]);
485 pos += 6;
486 event[pos++] = negotiated_codec;
487 little_endian_store_16(event, pos, packet_types);
486 hfp_emit_event_for_context(hfp_connection, event, sizeof(event));
487}
488
489void hfp_emit_string_event(hfp_connection_t * hfp_connection, uint8_t event_subtype, const char * value){
490 btstack_assert(hfp_connection != NULL);
491#ifdef ENABLE_HFP_AT_MESSAGES
492 uint8_t event[256];
493#else

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878 if (hfp_sco_establishment_active == NULL) break;
879 status = hci_event_command_status_get_status(packet);
880 if (status == ERROR_CODE_SUCCESS) break;
881
882 hfp_connection = hfp_sco_establishment_active;
883 if (hfp_handle_failed_sco_connection(status)) break;
884 hfp_connection->establish_audio_connection = 0;
885 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED;
488 hfp_emit_event_for_context(hfp_connection, event, sizeof(event));
489}
490
491void hfp_emit_string_event(hfp_connection_t * hfp_connection, uint8_t event_subtype, const char * value){
492 btstack_assert(hfp_connection != NULL);
493#ifdef ENABLE_HFP_AT_MESSAGES
494 uint8_t event[256];
495#else

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880 if (hfp_sco_establishment_active == NULL) break;
881 status = hci_event_command_status_get_status(packet);
882 if (status == ERROR_CODE_SUCCESS) break;
883
884 hfp_connection = hfp_sco_establishment_active;
885 if (hfp_handle_failed_sco_connection(status)) break;
886 hfp_connection->establish_audio_connection = 0;
887 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED;
886 hfp_emit_sco_event(hfp_connection, status, 0, hfp_connection->remote_addr, hfp_connection->negotiated_codec);
888 hfp_emit_sco_connection_established(hfp_connection, status, 0, hfp_connection->remote_addr,
889 hfp_connection->negotiated_codec, 0);
887 }
888 break;
889
890 case HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE:{
891 if (hfp_sco_establishment_active == NULL) break;
892 hci_event_synchronous_connection_complete_get_bd_addr(packet, event_addr);
893 hfp_connection = get_hfp_connection_context_for_bd_addr(event_addr, local_role);
894 if (!hfp_connection) {
895 log_error("HFP: connection does not exist for remote with addr %s.", bd_addr_to_str(event_addr));
896 return;
897 }
898
899 status = hci_event_synchronous_connection_complete_get_status(packet);
900 if (status != ERROR_CODE_SUCCESS){
901 hfp_connection->accept_sco = 0;
902 if (hfp_handle_failed_sco_connection(status)) break;
903
904 hfp_connection->establish_audio_connection = 0;
905 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED;
890 }
891 break;
892
893 case HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE:{
894 if (hfp_sco_establishment_active == NULL) break;
895 hci_event_synchronous_connection_complete_get_bd_addr(packet, event_addr);
896 hfp_connection = get_hfp_connection_context_for_bd_addr(event_addr, local_role);
897 if (!hfp_connection) {
898 log_error("HFP: connection does not exist for remote with addr %s.", bd_addr_to_str(event_addr));
899 return;
900 }
901
902 status = hci_event_synchronous_connection_complete_get_status(packet);
903 if (status != ERROR_CODE_SUCCESS){
904 hfp_connection->accept_sco = 0;
905 if (hfp_handle_failed_sco_connection(status)) break;
906
907 hfp_connection->establish_audio_connection = 0;
908 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED;
906 hfp_emit_sco_event(hfp_connection, status, 0, event_addr, hfp_connection->negotiated_codec);
909 hfp_emit_sco_connection_established(hfp_connection, status, 0, event_addr,
910 hfp_connection->negotiated_codec,
911 0);
907 break;
908 }
909
910 uint16_t sco_handle = hci_event_synchronous_connection_complete_get_handle(packet);
911 uint8_t link_type = hci_event_synchronous_connection_complete_get_link_type(packet);
912 uint8_t transmission_interval = hci_event_synchronous_connection_complete_get_transmission_interval(packet); // measured in slots
913 uint8_t retransmission_interval = hci_event_synchronous_connection_complete_get_retransmission_interval(packet);// measured in slots
914 uint16_t rx_packet_length = hci_event_synchronous_connection_complete_get_rx_packet_length(packet); // measured in bytes
915 uint16_t tx_packet_length = hci_event_synchronous_connection_complete_get_tx_packet_length(packet); // measured in bytes
912 break;
913 }
914
915 uint16_t sco_handle = hci_event_synchronous_connection_complete_get_handle(packet);
916 uint8_t link_type = hci_event_synchronous_connection_complete_get_link_type(packet);
917 uint8_t transmission_interval = hci_event_synchronous_connection_complete_get_transmission_interval(packet); // measured in slots
918 uint8_t retransmission_interval = hci_event_synchronous_connection_complete_get_retransmission_interval(packet);// measured in slots
919 uint16_t rx_packet_length = hci_event_synchronous_connection_complete_get_rx_packet_length(packet); // measured in bytes
920 uint16_t tx_packet_length = hci_event_synchronous_connection_complete_get_tx_packet_length(packet); // measured in bytes
921 uint16_t packet_types = hfp_link_settings[hfp_sco_establishment_active->link_setting].packet_types;
916
917 switch (link_type){
918 case 0x00:
919 log_info("SCO Connection established.");
920 if (transmission_interval != 0) log_error("SCO Connection: transmission_interval not zero: %d.", transmission_interval);
921 if (retransmission_interval != 0) log_error("SCO Connection: retransmission_interval not zero: %d.", retransmission_interval);
922 if (rx_packet_length != 0) log_error("SCO Connection: rx_packet_length not zero: %d.", rx_packet_length);
923 if (tx_packet_length != 0) log_error("SCO Connection: tx_packet_length not zero: %d.", tx_packet_length);

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948 switch (hfp_connection->vra_state){
949 case HFP_VRA_VOICE_RECOGNITION_ACTIVATED:
950 hfp_connection->ag_audio_connection_opened_before_vra = false;
951 break;
952 default:
953 hfp_connection->ag_audio_connection_opened_before_vra = true;
954 break;
955 }
922
923 switch (link_type){
924 case 0x00:
925 log_info("SCO Connection established.");
926 if (transmission_interval != 0) log_error("SCO Connection: transmission_interval not zero: %d.", transmission_interval);
927 if (retransmission_interval != 0) log_error("SCO Connection: retransmission_interval not zero: %d.", retransmission_interval);
928 if (rx_packet_length != 0) log_error("SCO Connection: rx_packet_length not zero: %d.", rx_packet_length);
929 if (tx_packet_length != 0) log_error("SCO Connection: tx_packet_length not zero: %d.", tx_packet_length);

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954 switch (hfp_connection->vra_state){
955 case HFP_VRA_VOICE_RECOGNITION_ACTIVATED:
956 hfp_connection->ag_audio_connection_opened_before_vra = false;
957 break;
958 default:
959 hfp_connection->ag_audio_connection_opened_before_vra = true;
960 break;
961 }
956 hfp_emit_sco_event(hfp_connection, status, sco_handle, event_addr, hfp_connection->negotiated_codec);
962 hfp_emit_sco_connection_established(hfp_connection, status, sco_handle, event_addr,
963 hfp_connection->negotiated_codec,
964 packet_types);
957 break;
958 }
959
960 case HCI_EVENT_DISCONNECTION_COMPLETE:
961 handle = little_endian_read_16(packet,3);
962 hfp_connection = get_hfp_connection_context_for_sco_handle(handle, local_role);
963
964 if (!hfp_connection) break;

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966 }
967
968 case HCI_EVENT_DISCONNECTION_COMPLETE:
969 handle = little_endian_read_16(packet,3);
970 hfp_connection = get_hfp_connection_context_for_sco_handle(handle, local_role);
971
972 if (!hfp_connection) break;

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