hfp.h (51a2ebde0031fdd3ad6bb64362108b25da7cb703) hfp.h (471dea41ab395d4c7fcbf32edf8a18b239742ccb)
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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312 HFP_AG_SET_CLIP
313} hfp_ag_call_event_t;
314
315
316typedef enum {
317 HFP_PARSER_CMD_HEADER = 0,
318 HFP_PARSER_CMD_SEQUENCE,
319 HFP_PARSER_SECOND_ITEM,
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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312 HFP_AG_SET_CLIP
313} hfp_ag_call_event_t;
314
315
316typedef enum {
317 HFP_PARSER_CMD_HEADER = 0,
318 HFP_PARSER_CMD_SEQUENCE,
319 HFP_PARSER_SECOND_ITEM,
320 HFP_PARSER_THIRD_ITEM
320 HFP_PARSER_THIRD_ITEM,
321 HFP_PARSER_CUSTOM_COMMAND
321} hfp_parser_state_t;
322
323typedef enum {
324 HFP_VOICE_RECOGNITION_STATE_AG_READY = 0,
325 HFP_VOICE_RECOGNITION_STATE_AG_READY_TO_ACCEPT_AUDIO_INPUT = 1,
326 HFP_VOICE_RECOGNITION_STATE_AG_IS_STARTING_SOUND = 2,
327 HFP_VOICE_RECOGNITION_STATE_AG_IS_PROCESSING_AUDIO_INPUT = 4
328} hfp_voice_recognition_state_t;

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559
560 // used during service level connection establishment
561 hfp_command_t command;
562 hfp_parser_state_t parser_state;
563 int parser_item_index;
564 int parser_indicator_index;
565 uint32_t parser_indicator_value;
566 bool parser_quoted;
322} hfp_parser_state_t;
323
324typedef enum {
325 HFP_VOICE_RECOGNITION_STATE_AG_READY = 0,
326 HFP_VOICE_RECOGNITION_STATE_AG_READY_TO_ACCEPT_AUDIO_INPUT = 1,
327 HFP_VOICE_RECOGNITION_STATE_AG_IS_STARTING_SOUND = 2,
328 HFP_VOICE_RECOGNITION_STATE_AG_IS_PROCESSING_AUDIO_INPUT = 4
329} hfp_voice_recognition_state_t;

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560
561 // used during service level connection establishment
562 hfp_command_t command;
563 hfp_parser_state_t parser_state;
564 int parser_item_index;
565 int parser_indicator_index;
566 uint32_t parser_indicator_value;
567 bool parser_quoted;
568
569 // line buffer is always \0 terminated
567 uint8_t line_buffer[HFP_MAX_VR_TEXT_SIZE];
568 int line_size;
569
570 uint32_t remote_supported_features;
571
572 uint16_t remote_codecs_nr;
573 uint8_t remote_codecs[HFP_MAX_NUM_CODECS];
574

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655 bool ag_send_no_carrier;
656 bool ag_vra_send_command;
657 bool ag_send_in_band_ring_tone_setting;
658 bool ag_send_common_codec;
659 bool ag_vra_requested_by_hf;
660
661 int send_status_of_current_calls;
662 int next_call_index;
570 uint8_t line_buffer[HFP_MAX_VR_TEXT_SIZE];
571 int line_size;
572
573 uint32_t remote_supported_features;
574
575 uint16_t remote_codecs_nr;
576 uint8_t remote_codecs[HFP_MAX_NUM_CODECS];
577

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658 bool ag_send_no_carrier;
659 bool ag_vra_send_command;
660 bool ag_send_in_band_ring_tone_setting;
661 bool ag_send_common_codec;
662 bool ag_vra_requested_by_hf;
663
664 int send_status_of_current_calls;
665 int next_call_index;
666 uint16_t ag_custom_at_command_id;
663
664 // HF only
665 // HF: track command for which ok/error response need to be received
666 hfp_command_t response_pending_for_command;
667
668 hfp_hf_query_operator_state_t hf_query_operator_state;
669 uint8_t hf_answer_incoming_call;
670 uint8_t hf_initiate_outgoing_call;

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732 bool bcm_send_disable_wbs;
733 bool bcm_send_write_i2spcm_interface_param;
734#endif
735#ifdef ENABLE_RTK_PCM_WBS
736 bool rtk_send_sco_config;
737#endif
738} hfp_connection_t;
739
667
668 // HF only
669 // HF: track command for which ok/error response need to be received
670 hfp_command_t response_pending_for_command;
671
672 hfp_hf_query_operator_state_t hf_query_operator_state;
673 uint8_t hf_answer_incoming_call;
674 uint8_t hf_initiate_outgoing_call;

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736 bool bcm_send_disable_wbs;
737 bool bcm_send_write_i2spcm_interface_param;
738#endif
739#ifdef ENABLE_RTK_PCM_WBS
740 bool rtk_send_sco_config;
741#endif
742} hfp_connection_t;
743
744/**
745 * @brief Struct to register custom AT Command.
746 */
747typedef struct {
748 btstack_linked_item_t * next;
749 const char * command;
750 uint16_t command_id;
751} hfp_custom_at_command_t;
752
740// UTILS_START : TODO move to utils
741int send_str_over_rfcomm(uint16_t cid, const char * command);
742int join(char * buffer, int buffer_size, uint8_t * values, int values_nr);
743int join_bitmap(char * buffer, int buffer_size, uint32_t values, int values_nr);
744int get_bit(uint16_t bitmap, int position);
745int store_bit(uint32_t bitmap, int position, uint8_t value);
746// UTILS_END
747

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752void hfp_set_ag_rfcomm_packet_handler(btstack_packet_handler_t handler);
753
754void hfp_set_hf_callback(btstack_packet_handler_t callback);
755void hfp_set_hf_rfcomm_packet_handler(btstack_packet_handler_t handler);
756
757void hfp_init(void);
758void hfp_deinit(void);
759
753// UTILS_START : TODO move to utils
754int send_str_over_rfcomm(uint16_t cid, const char * command);
755int join(char * buffer, int buffer_size, uint8_t * values, int values_nr);
756int join_bitmap(char * buffer, int buffer_size, uint32_t values, int values_nr);
757int get_bit(uint16_t bitmap, int position);
758int store_bit(uint32_t bitmap, int position, uint8_t value);
759// UTILS_END
760

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765void hfp_set_ag_rfcomm_packet_handler(btstack_packet_handler_t handler);
766
767void hfp_set_hf_callback(btstack_packet_handler_t callback);
768void hfp_set_hf_rfcomm_packet_handler(btstack_packet_handler_t handler);
769
770void hfp_init(void);
771void hfp_deinit(void);
772
773void hfp_register_custom_ag_command(hfp_custom_at_command_t * at_command);
774
760void hfp_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t service_uuid, int rfcomm_channel_nr, const char * name);
761void hfp_handle_hci_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size, hfp_role_t local_role);
762void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size, hfp_role_t local_role);
763void hfp_emit_event(hfp_connection_t * hfp_connection, uint8_t event_subtype, uint8_t value);
764void hfp_emit_simple_event(hfp_connection_t * hfp_connection, uint8_t event_subtype);
765void hfp_emit_string_event(hfp_connection_t * hfp_connection, uint8_t event_subtype, const char * value);
766void hfp_emit_slc_connection_event(hfp_role_t local_role, uint8_t status, hci_con_handle_t con_handle, bd_addr_t addr);
767

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784
785hfp_connection_t * get_hfp_connection_context_for_rfcomm_cid(uint16_t cid);
786hfp_connection_t * get_hfp_connection_context_for_bd_addr(bd_addr_t bd_addr, hfp_role_t hfp_role);
787hfp_connection_t * get_hfp_connection_context_for_sco_handle(uint16_t handle, hfp_role_t hfp_role);
788hfp_connection_t * get_hfp_connection_context_for_acl_handle(uint16_t handle, hfp_role_t hfp_role);
789
790btstack_linked_list_t * hfp_get_connections(void);
791void hfp_parse(hfp_connection_t * connection, uint8_t byte, int isHandsFree);
775void hfp_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t service_uuid, int rfcomm_channel_nr, const char * name);
776void hfp_handle_hci_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size, hfp_role_t local_role);
777void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size, hfp_role_t local_role);
778void hfp_emit_event(hfp_connection_t * hfp_connection, uint8_t event_subtype, uint8_t value);
779void hfp_emit_simple_event(hfp_connection_t * hfp_connection, uint8_t event_subtype);
780void hfp_emit_string_event(hfp_connection_t * hfp_connection, uint8_t event_subtype, const char * value);
781void hfp_emit_slc_connection_event(hfp_role_t local_role, uint8_t status, hci_con_handle_t con_handle, bd_addr_t addr);
782

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799
800hfp_connection_t * get_hfp_connection_context_for_rfcomm_cid(uint16_t cid);
801hfp_connection_t * get_hfp_connection_context_for_bd_addr(bd_addr_t bd_addr, hfp_role_t hfp_role);
802hfp_connection_t * get_hfp_connection_context_for_sco_handle(uint16_t handle, hfp_role_t hfp_role);
803hfp_connection_t * get_hfp_connection_context_for_acl_handle(uint16_t handle, hfp_role_t hfp_role);
804
805btstack_linked_list_t * hfp_get_connections(void);
806void hfp_parse(hfp_connection_t * connection, uint8_t byte, int isHandsFree);
807void hfp_parser_reset_line_buffer(hfp_connection_t *hfp_connection);
792
793/**
794 * @brief Establish RFCOMM connection, and perform service level connection agreement:
795 * @param bd_addr
796 * @param service_uuid
797 * @param local_role
798 * @return status ERROR_CODE_SUCCESS if successful, otherwise:
799 * - ERROR_CODE_COMMAND_DISALLOWED if connection already exists, or

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809/**
810 * @brief Establish RFCOMM connection, and perform service level connection agreement:
811 * @param bd_addr
812 * @param service_uuid
813 * @param local_role
814 * @return status ERROR_CODE_SUCCESS if successful, otherwise:
815 * - ERROR_CODE_COMMAND_DISALLOWED if connection already exists, or

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