xref: /btstack/src/classic/hfp.h (revision ce263fc8087b85d5dc9a00ecb73252242caf68b5)
13deb3ec6SMatthias Ringwald /*
23deb3ec6SMatthias Ringwald  * Copyright (C) 2014 BlueKitchen GmbH
33deb3ec6SMatthias Ringwald  *
43deb3ec6SMatthias Ringwald  * Redistribution and use in source and binary forms, with or without
53deb3ec6SMatthias Ringwald  * modification, are permitted provided that the following conditions
63deb3ec6SMatthias Ringwald  * are met:
73deb3ec6SMatthias Ringwald  *
83deb3ec6SMatthias Ringwald  * 1. Redistributions of source code must retain the above copyright
93deb3ec6SMatthias Ringwald  *    notice, this list of conditions and the following disclaimer.
103deb3ec6SMatthias Ringwald  * 2. Redistributions in binary form must reproduce the above copyright
113deb3ec6SMatthias Ringwald  *    notice, this list of conditions and the following disclaimer in the
123deb3ec6SMatthias Ringwald  *    documentation and/or other materials provided with the distribution.
133deb3ec6SMatthias Ringwald  * 3. Neither the name of the copyright holders nor the names of
143deb3ec6SMatthias Ringwald  *    contributors may be used to endorse or promote products derived
153deb3ec6SMatthias Ringwald  *    from this software without specific prior written permission.
163deb3ec6SMatthias Ringwald  * 4. Any redistribution, use, or modification is done solely for
173deb3ec6SMatthias Ringwald  *    personal benefit and not for any commercial purpose or for
183deb3ec6SMatthias Ringwald  *    monetary gain.
193deb3ec6SMatthias Ringwald  *
203deb3ec6SMatthias Ringwald  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
213deb3ec6SMatthias Ringwald  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
223deb3ec6SMatthias Ringwald  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
233deb3ec6SMatthias Ringwald  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
243deb3ec6SMatthias Ringwald  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
253deb3ec6SMatthias Ringwald  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
263deb3ec6SMatthias Ringwald  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
273deb3ec6SMatthias Ringwald  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
283deb3ec6SMatthias Ringwald  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
293deb3ec6SMatthias Ringwald  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
303deb3ec6SMatthias Ringwald  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
313deb3ec6SMatthias Ringwald  * SUCH DAMAGE.
323deb3ec6SMatthias Ringwald  *
333deb3ec6SMatthias Ringwald  * Please inquire about commercial licensing options at
343deb3ec6SMatthias Ringwald  * [email protected]
353deb3ec6SMatthias Ringwald  *
363deb3ec6SMatthias Ringwald  */
373deb3ec6SMatthias Ringwald 
383deb3ec6SMatthias Ringwald // *****************************************************************************
393deb3ec6SMatthias Ringwald //
403deb3ec6SMatthias Ringwald //  HFP Hands-Free (HF) unit and Audio-Gateway Commons
413deb3ec6SMatthias Ringwald //
423deb3ec6SMatthias Ringwald // *****************************************************************************
433deb3ec6SMatthias Ringwald 
443deb3ec6SMatthias Ringwald 
453deb3ec6SMatthias Ringwald #ifndef btstack_hfp_h
463deb3ec6SMatthias Ringwald #define btstack_hfp_h
473deb3ec6SMatthias Ringwald 
483deb3ec6SMatthias Ringwald #include "hci.h"
493edc84c5SMatthias Ringwald #include "classic/sdp_query_rfcomm.h"
503deb3ec6SMatthias Ringwald 
513deb3ec6SMatthias Ringwald #if defined __cplusplus
523deb3ec6SMatthias Ringwald extern "C" {
533deb3ec6SMatthias Ringwald #endif
543deb3ec6SMatthias Ringwald 
553deb3ec6SMatthias Ringwald 
563deb3ec6SMatthias Ringwald /* HF Supported Features:
573deb3ec6SMatthias Ringwald 0: EC and/or NR function
583deb3ec6SMatthias Ringwald 1: Three-way calling
593deb3ec6SMatthias Ringwald 2: CLI presentation capability
603deb3ec6SMatthias Ringwald 3: Voice recognition activation
613deb3ec6SMatthias Ringwald 4: Remote volume control
623deb3ec6SMatthias Ringwald 5: Enhanced call status
633deb3ec6SMatthias Ringwald 6: Enhanced call control
643deb3ec6SMatthias Ringwald 7: Codec negotiation
653deb3ec6SMatthias Ringwald 8: HF Indicators
663deb3ec6SMatthias Ringwald 9: eSCO S4 (and T2) Settings Supported
673deb3ec6SMatthias Ringwald 10-31: Reserved for future definition
683deb3ec6SMatthias Ringwald */
693deb3ec6SMatthias Ringwald #define HFP_HFSF_EC_NR_FUNCTION     0
70aa4dd815SMatthias Ringwald #define HFP_HFSF_THREE_WAY_CALLING  1
71aa4dd815SMatthias Ringwald #define HFP_HFSF_VOICE_RECOGNITION_FUNCTION 3
723deb3ec6SMatthias Ringwald #define HFP_HFSF_CODEC_NEGOTIATION  7
733deb3ec6SMatthias Ringwald #define HFP_HFSF_HF_INDICATORS      8
74*ce263fc8SMatthias Ringwald #define HFP_HFSF_ESCO_S4            9
753deb3ec6SMatthias Ringwald 
763deb3ec6SMatthias Ringwald /* AG Supported Features:
773deb3ec6SMatthias Ringwald 0: Three-way calling
783deb3ec6SMatthias Ringwald 1: EC and/or NR function
793deb3ec6SMatthias Ringwald 2: Voice recognition function
803deb3ec6SMatthias Ringwald 3: In-band ring tone capability
813deb3ec6SMatthias Ringwald 4: Attach a number to a voice tag
823deb3ec6SMatthias Ringwald 5: Ability to reject a call
833deb3ec6SMatthias Ringwald 6: Enhanced call status
843deb3ec6SMatthias Ringwald 7: Enhanced call control
853deb3ec6SMatthias Ringwald 8: Extended Error Result Codes
863deb3ec6SMatthias Ringwald 9: Codec negotiation
873deb3ec6SMatthias Ringwald 10: HF Indicators
883deb3ec6SMatthias Ringwald 11: eSCO S4 (and T2) Settings Supported
893deb3ec6SMatthias Ringwald 12-31: Reserved for future definition
903deb3ec6SMatthias Ringwald */
913deb3ec6SMatthias Ringwald #define HFP_AGSF_THREE_WAY_CALLING  0
923deb3ec6SMatthias Ringwald #define HFP_AGSF_EC_NR_FUNCTION     1
93aa4dd815SMatthias Ringwald #define HFP_AGSF_VOICE_RECOGNITION_FUNCTION     2
94aa4dd815SMatthias Ringwald #define HFP_AGSF_IN_BAND_RING_TONE  3
953deb3ec6SMatthias Ringwald #define HFP_AGSF_CODEC_NEGOTIATION  9
963deb3ec6SMatthias Ringwald #define HFP_AGSF_HF_INDICATORS      10
97*ce263fc8SMatthias Ringwald #define HFP_AGSF_ESCO_S4            11
983deb3ec6SMatthias Ringwald 
993deb3ec6SMatthias Ringwald #define HFP_DEFAULT_HF_SUPPORTED_FEATURES 0x0000
1003deb3ec6SMatthias Ringwald #define HFP_DEFAULT_AG_SUPPORTED_FEATURES 0x0009
1013deb3ec6SMatthias Ringwald 
1023deb3ec6SMatthias Ringwald #define HFP_MAX_NUM_CODECS 20
1033deb3ec6SMatthias Ringwald #define HFP_MAX_NUM_AG_INDICATORS 20
1043deb3ec6SMatthias Ringwald #define HFP_MAX_NUM_HF_INDICATORS 20
1053deb3ec6SMatthias Ringwald #define HFP_MAX_INDICATOR_DESC_SIZE 20
1063deb3ec6SMatthias Ringwald 
1073deb3ec6SMatthias Ringwald #define HFP_SUPPORTED_FEATURES "+BRSF"
1083deb3ec6SMatthias Ringwald #define HFP_AVAILABLE_CODECS "+BAC"
1093deb3ec6SMatthias Ringwald #define HFP_INDICATOR "+CIND"
1103deb3ec6SMatthias Ringwald #define HFP_ENABLE_STATUS_UPDATE_FOR_AG_INDICATORS "+CMER"
111aa4dd815SMatthias Ringwald #define HFP_ENABLE_CLIP "+CLIP"
112aa4dd815SMatthias Ringwald #define HFP_ENABLE_CALL_WAITING_NOTIFICATION "+CCWA"
1133deb3ec6SMatthias Ringwald #define HFP_UPDATE_ENABLE_STATUS_FOR_INDIVIDUAL_AG_INDICATORS "+BIA" // +BIA:<enabled>,,<enabled>,,,<enabled>
1143deb3ec6SMatthias Ringwald #define HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES "+CHLD"
1153deb3ec6SMatthias Ringwald #define HFP_GENERIC_STATUS_INDICATOR "+BIND"
1163deb3ec6SMatthias Ringwald #define HFP_TRANSFER_AG_INDICATOR_STATUS "+CIEV" // +CIEV: <index>,<value>
117*ce263fc8SMatthias Ringwald #define HFP_TRANSFER_HF_INDICATOR_STATUS "+BIEV" // +BIEC: <index>,<value>
1183deb3ec6SMatthias Ringwald #define HFP_QUERY_OPERATOR_SELECTION "+COPS"     // +COPS: <mode>,0,<opearator>
1193deb3ec6SMatthias Ringwald #define HFP_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR "+CMEE"
1203deb3ec6SMatthias Ringwald #define HFP_EXTENDED_AUDIO_GATEWAY_ERROR "+CME ERROR"
1213deb3ec6SMatthias Ringwald #define HFP_TRIGGER_CODEC_CONNECTION_SETUP "+BCC"
1223deb3ec6SMatthias Ringwald #define HFP_CONFIRM_COMMON_CODEC "+BCS"
123aa4dd815SMatthias Ringwald #define HFP_CALL_ANSWERED "ATA"
124aa4dd815SMatthias Ringwald #define HFP_HANG_UP_CALL "+CHUP"
125aa4dd815SMatthias Ringwald #define HFP_CHANGE_IN_BAND_RING_TONE_SETTING "+BSIR"
126aa4dd815SMatthias Ringwald #define HFP_CALL_PHONE_NUMBER "ATD"
127*ce263fc8SMatthias Ringwald #define HFP_REDIAL_LAST_NUMBER "+BLDN"
128aa4dd815SMatthias Ringwald #define HFP_TURN_OFF_EC_AND_NR "+NREC" // EC (Echo CAnceling), NR (Noise Reduction)
129aa4dd815SMatthias Ringwald #define HFP_ACTIVATE_VOICE_RECOGNITION "+BVRA" // EC (Echo CAnceling), NR (Noise Reduction)
130aa4dd815SMatthias Ringwald #define HFP_SET_MICROPHONE_GAIN  "+VGM"
131aa4dd815SMatthias Ringwald #define HFP_SET_SPEAKER_GAIN     "+VGS"
132aa4dd815SMatthias Ringwald #define HFP_PHONE_NUMBER_FOR_VOICE_TAG "+BINP"
133aa4dd815SMatthias Ringwald #define HFP_TRANSMIT_DTMF_CODES  "+VTS"
134*ce263fc8SMatthias Ringwald #define HFP_SUBSCRIBER_NUMBER_INFORMATION "+CNUM"
135*ce263fc8SMatthias Ringwald #define HFP_LIST_CURRENT_CALLS "+CLCC"
136*ce263fc8SMatthias Ringwald #define HFP_RESPONSE_AND_HOLD "+BTRH"
1373deb3ec6SMatthias Ringwald 
1383deb3ec6SMatthias Ringwald #define HFP_OK "OK"
1393deb3ec6SMatthias Ringwald #define HFP_ERROR "ERROR"
140*ce263fc8SMatthias Ringwald #define HFP_RING "RING"
1413deb3ec6SMatthias Ringwald 
1423deb3ec6SMatthias Ringwald // Codecs
1433deb3ec6SMatthias Ringwald #define HFP_CODEC_CVSD 0x01
1443deb3ec6SMatthias Ringwald #define HFP_CODEC_MSBC 0x02
1453deb3ec6SMatthias Ringwald 
1463deb3ec6SMatthias Ringwald typedef enum {
1473deb3ec6SMatthias Ringwald     HFP_CMD_NONE = 0,
1483deb3ec6SMatthias Ringwald     HFP_CMD_ERROR,
149aa4dd815SMatthias Ringwald     HFP_CMD_UNKNOWN,
1503deb3ec6SMatthias Ringwald     HFP_CMD_OK,
151*ce263fc8SMatthias Ringwald     HFP_CMD_RING,
1523deb3ec6SMatthias Ringwald     HFP_CMD_SUPPORTED_FEATURES,
1533deb3ec6SMatthias Ringwald     HFP_CMD_AVAILABLE_CODECS,
154aa4dd815SMatthias Ringwald 
155aa4dd815SMatthias Ringwald     HFP_CMD_RETRIEVE_AG_INDICATORS,
156aa4dd815SMatthias Ringwald     HFP_CMD_RETRIEVE_AG_INDICATORS_STATUS,
157aa4dd815SMatthias Ringwald 
1583deb3ec6SMatthias Ringwald     HFP_CMD_ENABLE_INDICATOR_STATUS_UPDATE,
1593deb3ec6SMatthias Ringwald     HFP_CMD_ENABLE_INDIVIDUAL_AG_INDICATOR_STATUS_UPDATE,
1603deb3ec6SMatthias Ringwald     HFP_CMD_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES,
161aa4dd815SMatthias Ringwald     HFP_CMD_ENABLE_CLIP,
162aa4dd815SMatthias Ringwald     HFP_CMD_ENABLE_CALL_WAITING_NOTIFICATION,
1633deb3ec6SMatthias Ringwald 
164aa4dd815SMatthias Ringwald     HFP_CMD_LIST_GENERIC_STATUS_INDICATORS,
165aa4dd815SMatthias Ringwald     HFP_CMD_RETRIEVE_GENERIC_STATUS_INDICATORS,
166aa4dd815SMatthias Ringwald     HFP_CMD_RETRIEVE_GENERIC_STATUS_INDICATORS_STATE,
1673deb3ec6SMatthias Ringwald 
1683deb3ec6SMatthias Ringwald     HFP_CMD_TRANSFER_AG_INDICATOR_STATUS,
169aa4dd815SMatthias Ringwald 
170aa4dd815SMatthias Ringwald     HFP_CMD_QUERY_OPERATOR_SELECTION_NAME,
171aa4dd815SMatthias Ringwald     HFP_CMD_QUERY_OPERATOR_SELECTION_NAME_FORMAT,
1723deb3ec6SMatthias Ringwald 
1733deb3ec6SMatthias Ringwald     HFP_CMD_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR,
1743deb3ec6SMatthias Ringwald     HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR,
1753deb3ec6SMatthias Ringwald     HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP,
176aa4dd815SMatthias Ringwald     HFP_CMD_AG_SEND_COMMON_CODEC,
1773deb3ec6SMatthias Ringwald     HFP_CMD_AG_SUGGESTED_CODEC,
178aa4dd815SMatthias Ringwald     HFP_CMD_HF_CONFIRMED_CODEC,
179aa4dd815SMatthias Ringwald     HFP_CMD_CALL_ANSWERED,
180aa4dd815SMatthias Ringwald     HFP_CMD_CALL_HOLD,
181aa4dd815SMatthias Ringwald     HFP_CMD_AG_ANSWER_CALL,
182aa4dd815SMatthias Ringwald     HFP_CMD_HANG_UP_CALL,
183aa4dd815SMatthias Ringwald     HFP_CMD_CHANGE_IN_BAND_RING_TONE_SETTING,
184aa4dd815SMatthias Ringwald     HFP_CMD_CALL_PHONE_NUMBER,
185aa4dd815SMatthias Ringwald     HFP_CMD_REDIAL_LAST_NUMBER,
186aa4dd815SMatthias Ringwald     HFP_CMD_TURN_OFF_EC_AND_NR,
187aa4dd815SMatthias Ringwald     HFP_CMD_AG_ACTIVATE_VOICE_RECOGNITION,
188aa4dd815SMatthias Ringwald     HFP_CMD_HF_ACTIVATE_VOICE_RECOGNITION,
189aa4dd815SMatthias Ringwald     HFP_CMD_HF_REQUEST_PHONE_NUMBER,
190*ce263fc8SMatthias Ringwald     HFP_CMD_AG_SENT_PHONE_NUMBER,
191aa4dd815SMatthias Ringwald     HFP_CMD_TRANSMIT_DTMF_CODES,
192aa4dd815SMatthias Ringwald     HFP_CMD_SET_MICROPHONE_GAIN,
193*ce263fc8SMatthias Ringwald     HFP_CMD_SET_SPEAKER_GAIN,
194*ce263fc8SMatthias Ringwald     HFP_CMD_GET_SUBSCRIBER_NUMBER_INFORMATION,
195*ce263fc8SMatthias Ringwald     HFP_CMD_LIST_CURRENT_CALLS,
196*ce263fc8SMatthias Ringwald     HFP_CMD_RESPONSE_AND_HOLD_QUERY,
197*ce263fc8SMatthias Ringwald     HFP_CMD_RESPONSE_AND_HOLD_COMMAND,
198*ce263fc8SMatthias Ringwald     HFP_CMD_HF_INDICATOR_STATUS
1993deb3ec6SMatthias Ringwald } hfp_command_t;
2003deb3ec6SMatthias Ringwald 
201aa4dd815SMatthias Ringwald 
2023deb3ec6SMatthias Ringwald typedef enum {
2033deb3ec6SMatthias Ringwald     HFP_CME_ERROR_AG_FAILURE = 0,
2043deb3ec6SMatthias Ringwald     HFP_CME_ERROR_NO_CONNECTION_TO_PHONE,
2053deb3ec6SMatthias Ringwald     HFP_CME_ERROR_2,
2063deb3ec6SMatthias Ringwald     HFP_CME_ERROR_OPERATION_NOT_ALLOWED,
2073deb3ec6SMatthias Ringwald     HFP_CME_ERROR_OPERATION_NOT_SUPPORTED,
2083deb3ec6SMatthias Ringwald     HFP_CME_ERROR_PH_SIM_PIN_REQUIRED,
2093deb3ec6SMatthias Ringwald     HFP_CME_ERROR_6,
2103deb3ec6SMatthias Ringwald     HFP_CME_ERROR_7,
2113deb3ec6SMatthias Ringwald     HFP_CME_ERROR_8,
2123deb3ec6SMatthias Ringwald     HFP_CME_ERROR_9,
2133deb3ec6SMatthias Ringwald     HFP_CME_ERROR_SIM_NOT_INSERTED,
2143deb3ec6SMatthias Ringwald     HFP_CME_ERROR_SIM_PIN_REQUIRED,
2153deb3ec6SMatthias Ringwald     HFP_CME_ERROR_SIM_PUK_REQUIRED,
2163deb3ec6SMatthias Ringwald     HFP_CME_ERROR_SIM_FAILURE,
2173deb3ec6SMatthias Ringwald     HFP_CME_ERROR_SIM_BUSY,
2183deb3ec6SMatthias Ringwald     HFP_CME_ERROR_15,
2193deb3ec6SMatthias Ringwald     HFP_CME_ERROR_INCORRECT_PASSWORD,
2203deb3ec6SMatthias Ringwald     HFP_CME_ERROR_SIM_PIN2_REQUIRED,
2213deb3ec6SMatthias Ringwald     HFP_CME_ERROR_SIM_PUK2_REQUIRED,
2223deb3ec6SMatthias Ringwald     HFP_CME_ERROR_19,
2233deb3ec6SMatthias Ringwald     HFP_CME_ERROR_MEMORY_FULL,
2243deb3ec6SMatthias Ringwald     HFP_CME_ERROR_INVALID_INDEX,
2253deb3ec6SMatthias Ringwald     HFP_CME_ERROR_22,
2263deb3ec6SMatthias Ringwald     HFP_CME_ERROR_MEMORY_FAILURE,
2273deb3ec6SMatthias Ringwald     HFP_CME_ERROR_TEXT_STRING_TOO_LONG,
2283deb3ec6SMatthias Ringwald     HFP_CME_ERROR_INVALID_CHARACTERS_IN_TEXT_STRING,
2293deb3ec6SMatthias Ringwald     HFP_CME_ERROR_DIAL_STRING_TOO_LONG,
2303deb3ec6SMatthias Ringwald     HFP_CME_ERROR_INVALID_CHARACTERS_IN_DIAL_STRING,
2313deb3ec6SMatthias Ringwald     HFP_CME_ERROR_28,
2323deb3ec6SMatthias Ringwald     HFP_CME_ERROR_29,
2333deb3ec6SMatthias Ringwald     HFP_CME_ERROR_NO_NETWORK_SERVICE,
2343deb3ec6SMatthias Ringwald     HFP_CME_ERROR_NETWORK_TIMEOUT,
2353deb3ec6SMatthias Ringwald     HFP_CME_ERROR_NETWORK_NOT_ALLOWED_EMERGENCY_CALLS_ONLY
2363deb3ec6SMatthias Ringwald } hfp_cme_error_t;
2373deb3ec6SMatthias Ringwald 
2383deb3ec6SMatthias Ringwald typedef enum {
2393deb3ec6SMatthias Ringwald     HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS = 0,
2403deb3ec6SMatthias Ringwald     HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT
2413deb3ec6SMatthias Ringwald } hfp_call_status_t;
2423deb3ec6SMatthias Ringwald 
2433deb3ec6SMatthias Ringwald typedef enum {
2443deb3ec6SMatthias Ringwald     HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS = 0,
2453deb3ec6SMatthias Ringwald     HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS,
2463deb3ec6SMatthias Ringwald     HFP_CALLSETUP_STATUS_OUTGOING_CALL_SETUP_IN_DIALING_STATE,
2473deb3ec6SMatthias Ringwald     HFP_CALLSETUP_STATUS_OUTGOING_CALL_SETUP_IN_ALERTING_STATE
2483deb3ec6SMatthias Ringwald } hfp_callsetup_status_t;
2493deb3ec6SMatthias Ringwald 
2503deb3ec6SMatthias Ringwald typedef enum {
251aa4dd815SMatthias Ringwald     HFP_CALLHELD_STATUS_NO_CALLS_HELD = 0,
252aa4dd815SMatthias Ringwald     HFP_CALLHELD_STATUS_CALL_ON_HOLD_OR_SWAPPED,
253aa4dd815SMatthias Ringwald     HFP_CALLHELD_STATUS_CALL_ON_HOLD_AND_NO_ACTIVE_CALLS
2543deb3ec6SMatthias Ringwald } hfp_callheld_status_t;
2553deb3ec6SMatthias Ringwald 
2563deb3ec6SMatthias Ringwald typedef enum {
257aa4dd815SMatthias Ringwald     HFP_AG_INCOMING_CALL,
258aa4dd815SMatthias Ringwald     HFP_AG_INCOMING_CALL_ACCEPTED_BY_AG,
259aa4dd815SMatthias Ringwald     HFP_AG_INCOMING_CALL_ACCEPTED_BY_HF,
260aa4dd815SMatthias Ringwald     HFP_AG_AUDIO_CONNECTION_ESTABLISHED,
261aa4dd815SMatthias Ringwald     HFP_AG_OUTGOING_CALL_INITIATED,
262aa4dd815SMatthias Ringwald     HFP_AG_OUTGOING_CALL_REJECTED,
263aa4dd815SMatthias Ringwald     HFP_AG_OUTGOING_CALL_ACCEPTED,
264aa4dd815SMatthias Ringwald     HFP_AG_OUTGOING_CALL_RINGING,
265aa4dd815SMatthias Ringwald     HFP_AG_OUTGOING_CALL_ESTABLISHED,
266aa4dd815SMatthias Ringwald     HFP_AG_OUTGOING_REDIAL_INITIATED,
267*ce263fc8SMatthias Ringwald     HFP_AG_HELD_CALL_JOINED_BY_AG,
268aa4dd815SMatthias Ringwald     HFP_AG_TERMINATE_CALL_BY_AG,
269aa4dd815SMatthias Ringwald     HFP_AG_TERMINATE_CALL_BY_HF,
270aa4dd815SMatthias Ringwald     HFP_AG_CALL_DROPPED,
271*ce263fc8SMatthias Ringwald     HFP_AG_RESPONSE_AND_HOLD_ACCEPT_INCOMING_CALL_BY_AG,
272*ce263fc8SMatthias Ringwald     HFP_AG_RESPONSE_AND_HOLD_ACCEPT_HELD_CALL_BY_AG,
273*ce263fc8SMatthias Ringwald     HFP_AG_RESPONSE_AND_HOLD_REJECT_HELD_CALL_BY_AG,
274*ce263fc8SMatthias Ringwald     HFP_AG_RESPONSE_AND_HOLD_ACCEPT_INCOMING_CALL_BY_HF,
275*ce263fc8SMatthias Ringwald     HFP_AG_RESPONSE_AND_HOLD_ACCEPT_HELD_CALL_BY_HF,
276*ce263fc8SMatthias Ringwald     HFP_AG_RESPONSE_AND_HOLD_REJECT_HELD_CALL_BY_HF,
277aa4dd815SMatthias Ringwald } hfp_ag_call_event_t;
278aa4dd815SMatthias Ringwald 
279aa4dd815SMatthias Ringwald 
280aa4dd815SMatthias Ringwald typedef enum {
2813deb3ec6SMatthias Ringwald     HFP_PARSER_CMD_HEADER = 0,
2823deb3ec6SMatthias Ringwald     HFP_PARSER_CMD_SEQUENCE,
2833deb3ec6SMatthias Ringwald     HFP_PARSER_SECOND_ITEM,
2843deb3ec6SMatthias Ringwald     HFP_PARSER_THIRD_ITEM
2853deb3ec6SMatthias Ringwald } hfp_parser_state_t;
2863deb3ec6SMatthias Ringwald 
2873deb3ec6SMatthias Ringwald 
2883deb3ec6SMatthias Ringwald typedef enum {
2893deb3ec6SMatthias Ringwald     HFP_IDLE = 0, //0
2903deb3ec6SMatthias Ringwald     HFP_SDP_QUERY_RFCOMM_CHANNEL,
2913deb3ec6SMatthias Ringwald     HFP_W4_SDP_QUERY_COMPLETE,
2923deb3ec6SMatthias Ringwald     HFP_W4_RFCOMM_CONNECTED,
2933deb3ec6SMatthias Ringwald 
2943deb3ec6SMatthias Ringwald     HFP_EXCHANGE_SUPPORTED_FEATURES,
2953deb3ec6SMatthias Ringwald     HFP_W4_EXCHANGE_SUPPORTED_FEATURES, // 5
2963deb3ec6SMatthias Ringwald 
2973deb3ec6SMatthias Ringwald     HFP_NOTIFY_ON_CODECS,
2983deb3ec6SMatthias Ringwald     HFP_W4_NOTIFY_ON_CODECS,
2993deb3ec6SMatthias Ringwald 
3003deb3ec6SMatthias Ringwald     HFP_RETRIEVE_INDICATORS,
3013deb3ec6SMatthias Ringwald     HFP_W4_RETRIEVE_INDICATORS,
3023deb3ec6SMatthias Ringwald 
3033deb3ec6SMatthias Ringwald     HFP_RETRIEVE_INDICATORS_STATUS, // 10
3043deb3ec6SMatthias Ringwald     HFP_W4_RETRIEVE_INDICATORS_STATUS,
3053deb3ec6SMatthias Ringwald 
3063deb3ec6SMatthias Ringwald     HFP_ENABLE_INDICATORS_STATUS_UPDATE,
3073deb3ec6SMatthias Ringwald     HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE,
3083deb3ec6SMatthias Ringwald 
3093deb3ec6SMatthias Ringwald     HFP_RETRIEVE_CAN_HOLD_CALL,
3103deb3ec6SMatthias Ringwald     HFP_W4_RETRIEVE_CAN_HOLD_CALL, // 15
3113deb3ec6SMatthias Ringwald 
3123deb3ec6SMatthias Ringwald     HFP_LIST_GENERIC_STATUS_INDICATORS,
3133deb3ec6SMatthias Ringwald     HFP_W4_LIST_GENERIC_STATUS_INDICATORS,
3143deb3ec6SMatthias Ringwald 
3153deb3ec6SMatthias Ringwald     HFP_RETRIEVE_GENERIC_STATUS_INDICATORS,
3163deb3ec6SMatthias Ringwald     HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS,
3173deb3ec6SMatthias Ringwald 
318aa4dd815SMatthias Ringwald     HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS,
3193deb3ec6SMatthias Ringwald     HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS,
3203deb3ec6SMatthias Ringwald 
321aa4dd815SMatthias Ringwald     HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED,
3223deb3ec6SMatthias Ringwald 
323aa4dd815SMatthias Ringwald     HFP_W2_CONNECT_SCO,
324aa4dd815SMatthias Ringwald     HFP_W4_SCO_CONNECTED,
3253deb3ec6SMatthias Ringwald 
3263deb3ec6SMatthias Ringwald     HFP_AUDIO_CONNECTION_ESTABLISHED,
3273deb3ec6SMatthias Ringwald 
3283deb3ec6SMatthias Ringwald     HFP_W2_DISCONNECT_SCO,
329aa4dd815SMatthias Ringwald     HFP_W4_SCO_DISCONNECTED,
3303deb3ec6SMatthias Ringwald 
3313deb3ec6SMatthias Ringwald     HFP_W2_DISCONNECT_RFCOMM,
3323deb3ec6SMatthias Ringwald     HFP_W4_RFCOMM_DISCONNECTED,
3333deb3ec6SMatthias Ringwald     HFP_W4_RFCOMM_DISCONNECTED_AND_RESTART,
3343deb3ec6SMatthias Ringwald     HFP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN
3353deb3ec6SMatthias Ringwald } hfp_state_t;
3363deb3ec6SMatthias Ringwald 
337aa4dd815SMatthias Ringwald typedef enum {
338aa4dd815SMatthias Ringwald     HFP_CODECS_IDLE,
339aa4dd815SMatthias Ringwald     HFP_CODECS_RECEIVED_LIST,
340aa4dd815SMatthias Ringwald     HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE,
341aa4dd815SMatthias Ringwald     HFP_CODECS_W4_AG_COMMON_CODEC,
342aa4dd815SMatthias Ringwald     HFP_CODECS_AG_SENT_COMMON_CODEC,
343aa4dd815SMatthias Ringwald     HFP_CODECS_AG_RESEND_COMMON_CODEC,
344*ce263fc8SMatthias Ringwald     HFP_CODECS_HF_CONFIRMED_CODEC,
345aa4dd815SMatthias Ringwald     HFP_CODECS_EXCHANGED,
346aa4dd815SMatthias Ringwald     HFP_CODECS_ERROR
347aa4dd815SMatthias Ringwald } hfp_codecs_state_t;
348aa4dd815SMatthias Ringwald 
349aa4dd815SMatthias Ringwald typedef enum {
350aa4dd815SMatthias Ringwald     HFP_CALL_IDLE,
351aa4dd815SMatthias Ringwald     HFP_CALL_TRIGGER_AUDIO_CONNECTION,
352aa4dd815SMatthias Ringwald     HFP_CALL_W4_AUDIO_CONNECTION_FOR_IN_BAND_RING,
353aa4dd815SMatthias Ringwald     HFP_CALL_RINGING,
354aa4dd815SMatthias Ringwald     HFP_CALL_W4_AUDIO_CONNECTION_FOR_ACTIVE,
355aa4dd815SMatthias Ringwald     HFP_CALL_ACTIVE,
356aa4dd815SMatthias Ringwald     HFP_CALL_W2_SEND_CALL_WAITING,
357aa4dd815SMatthias Ringwald     HFP_CALL_W4_CHLD,
358aa4dd815SMatthias Ringwald     HFP_CALL_OUTGOING_INITIATED,
359aa4dd815SMatthias Ringwald     HFP_CALL_OUTGOING_DIALING,
360aa4dd815SMatthias Ringwald     HFP_CALL_OUTGOING_RINGING
361aa4dd815SMatthias Ringwald } hfp_call_state_t;
362aa4dd815SMatthias Ringwald 
363aa4dd815SMatthias Ringwald typedef enum{
364*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_DIR_OUTGOING,
365*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_DIR_INCOMING
366*ce263fc8SMatthias Ringwald } hfp_enhanced_call_dir_t;
367*ce263fc8SMatthias Ringwald 
368*ce263fc8SMatthias Ringwald typedef enum{
369*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_STATUS_ACTIVE,
370*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_STATUS_HELD,
371*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_STATUS_OUTGOING_DIALING,
372*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_STATUS_OUTGOING_ALERTING,
373*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_STATUS_INCOMING,
374*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_STATUS_INCOMING_WAITING,
375*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_STATUS_CALL_HELD_BY_RESPONSE_AND_HOLD
376*ce263fc8SMatthias Ringwald } hfp_enhanced_call_status_t;
377*ce263fc8SMatthias Ringwald 
378*ce263fc8SMatthias Ringwald typedef enum{
379*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_MODE_VOICE,
380*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_MODE_DATA,
381*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_MODE_FAX
382*ce263fc8SMatthias Ringwald } hfp_enhanced_call_mode_t;
383*ce263fc8SMatthias Ringwald 
384*ce263fc8SMatthias Ringwald typedef enum{
385*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_MPTY_NOT_A_CONFERENCE_CALL,
386*ce263fc8SMatthias Ringwald     HFP_ENHANCED_CALL_MPTY_CONFERENCE_CALL
387*ce263fc8SMatthias Ringwald } hfp_enhanced_call_mpty_t;
388*ce263fc8SMatthias Ringwald 
389*ce263fc8SMatthias Ringwald typedef enum {
390*ce263fc8SMatthias Ringwald     HFP_RESPONSE_AND_HOLD_INCOMING_ON_HOLD = 0,
391*ce263fc8SMatthias Ringwald     HFP_RESPONSE_AND_HOLD_HELD_INCOMING_ACCEPTED,
392*ce263fc8SMatthias Ringwald     HFP_RESPONSE_AND_HOLD_HELD_INCOMING_REJECTED
393*ce263fc8SMatthias Ringwald } hfp_response_and_hold_state_t;
394*ce263fc8SMatthias Ringwald 
395*ce263fc8SMatthias Ringwald typedef enum {
396*ce263fc8SMatthias Ringwald     HFP_HF_QUERY_OPERATOR_FORMAT_NOT_SET = 0,
397*ce263fc8SMatthias Ringwald     HFP_HF_QUERY_OPERATOR_SET_FORMAT,
398*ce263fc8SMatthias Ringwald     HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK,
399*ce263fc8SMatthias Ringwald     HFP_HF_QUERY_OPERATOR_FORMAT_SET,
400*ce263fc8SMatthias Ringwald     HFP_HF_QUERY_OPERATOR_SEND_QUERY,
401*ce263fc8SMatthias Ringwald     HPF_HF_QUERY_OPERATOR_W4_RESULT
402*ce263fc8SMatthias Ringwald } hfp_hf_query_operator_state_t;
403*ce263fc8SMatthias Ringwald 
404*ce263fc8SMatthias Ringwald typedef enum {
405*ce263fc8SMatthias Ringwald      HFP_LINK_SETTINGS_D0 = 0,
406*ce263fc8SMatthias Ringwald      HFP_LINK_SETTINGS_D1,
407*ce263fc8SMatthias Ringwald      HFP_LINK_SETTINGS_S1,
408*ce263fc8SMatthias Ringwald      HFP_LINK_SETTINGS_S2,
409*ce263fc8SMatthias Ringwald      HFP_LINK_SETTINGS_S3,
410*ce263fc8SMatthias Ringwald      HFP_LINK_SETTINGS_S4,
411*ce263fc8SMatthias Ringwald      HFP_LINK_SETTINGS_T1,
412*ce263fc8SMatthias Ringwald      HFP_LINK_SETTINGS_T2
413*ce263fc8SMatthias Ringwald } hfp_link_setttings_t;
414*ce263fc8SMatthias Ringwald 
415*ce263fc8SMatthias Ringwald typedef enum{
416aa4dd815SMatthias Ringwald     HFP_NONE_SM,
417aa4dd815SMatthias Ringwald     HFP_SLC_SM,
418aa4dd815SMatthias Ringwald     HFP_SLC_QUERIES_SM,
419aa4dd815SMatthias Ringwald     HFP_CODECS_CONNECTION_SM,
420aa4dd815SMatthias Ringwald     HFP_AUDIO_CONNECTION_SM,
421aa4dd815SMatthias Ringwald     HFP_CALL_SM
422aa4dd815SMatthias Ringwald } hfp_state_machine_t;
423aa4dd815SMatthias Ringwald 
4243deb3ec6SMatthias Ringwald typedef void (*hfp_callback_t)(uint8_t * event, uint16_t event_size);
4253deb3ec6SMatthias Ringwald 
4263deb3ec6SMatthias Ringwald typedef struct{
4273deb3ec6SMatthias Ringwald     uint16_t uuid;
4283deb3ec6SMatthias Ringwald     uint8_t state; // enabled
4293deb3ec6SMatthias Ringwald } hfp_generic_status_indicator_t;
4303deb3ec6SMatthias Ringwald 
4313deb3ec6SMatthias Ringwald typedef struct{
4323deb3ec6SMatthias Ringwald     uint8_t index;
4333deb3ec6SMatthias Ringwald     char name[HFP_MAX_INDICATOR_DESC_SIZE];
4343deb3ec6SMatthias Ringwald     uint8_t min_range;
4353deb3ec6SMatthias Ringwald     uint8_t max_range;
4363deb3ec6SMatthias Ringwald     uint8_t status;
4373deb3ec6SMatthias Ringwald     uint8_t mandatory;
4383deb3ec6SMatthias Ringwald     uint8_t enabled;
4393deb3ec6SMatthias Ringwald     uint8_t status_changed;
4403deb3ec6SMatthias Ringwald } hfp_ag_indicator_t;
4413deb3ec6SMatthias Ringwald 
4423deb3ec6SMatthias Ringwald typedef struct{
4433deb3ec6SMatthias Ringwald     char name[3];
4443deb3ec6SMatthias Ringwald } hfp_call_service_t;
4453deb3ec6SMatthias Ringwald 
4463deb3ec6SMatthias Ringwald 
4473deb3ec6SMatthias Ringwald typedef struct{
4483deb3ec6SMatthias Ringwald     uint8_t mode;
4493deb3ec6SMatthias Ringwald     uint8_t format;
4503deb3ec6SMatthias Ringwald     char name[17]; // enabled
4513deb3ec6SMatthias Ringwald } hfp_network_opearator_t;
4523deb3ec6SMatthias Ringwald 
4533deb3ec6SMatthias Ringwald 
4543deb3ec6SMatthias Ringwald typedef struct hfp_connection {
4553deb3ec6SMatthias Ringwald     linked_item_t    item;
4563deb3ec6SMatthias Ringwald 
4573deb3ec6SMatthias Ringwald     bd_addr_t remote_addr;
4583deb3ec6SMatthias Ringwald     uint16_t con_handle;
4593deb3ec6SMatthias Ringwald     uint16_t sco_handle;
4603deb3ec6SMatthias Ringwald     uint16_t rfcomm_channel_nr;
4613deb3ec6SMatthias Ringwald     uint16_t rfcomm_cid;
4623deb3ec6SMatthias Ringwald 
463aa4dd815SMatthias Ringwald     hfp_state_machine_t state_machine;
464aa4dd815SMatthias Ringwald     hfp_call_state_t call_state;
4653deb3ec6SMatthias Ringwald     hfp_state_t state;
466aa4dd815SMatthias Ringwald     hfp_codecs_state_t codecs_state;
467aa4dd815SMatthias Ringwald 
4683deb3ec6SMatthias Ringwald     // needed for reestablishing connection
4693deb3ec6SMatthias Ringwald     uint16_t service_uuid;
4703deb3ec6SMatthias Ringwald 
4713deb3ec6SMatthias Ringwald     // used during service level connection establishment
4723deb3ec6SMatthias Ringwald     hfp_command_t command;
4733deb3ec6SMatthias Ringwald     hfp_parser_state_t parser_state;
4743deb3ec6SMatthias Ringwald     int      parser_item_index;
475*ce263fc8SMatthias Ringwald     int      parser_indicator_index;
4763deb3ec6SMatthias Ringwald     uint8_t  line_buffer[HFP_MAX_INDICATOR_DESC_SIZE];
4773deb3ec6SMatthias Ringwald     int      line_size;
4783deb3ec6SMatthias Ringwald 
4793deb3ec6SMatthias Ringwald     uint32_t remote_supported_features;
4803deb3ec6SMatthias Ringwald 
4813deb3ec6SMatthias Ringwald     // TODO: rename into hf_codecs_nr
4823deb3ec6SMatthias Ringwald     int      remote_codecs_nr;
4833deb3ec6SMatthias Ringwald     uint16_t remote_codecs[HFP_MAX_INDICATOR_DESC_SIZE];
4843deb3ec6SMatthias Ringwald     int      ag_indicators_nr;
4853deb3ec6SMatthias Ringwald     hfp_ag_indicator_t ag_indicators[HFP_MAX_INDICATOR_DESC_SIZE];
4863deb3ec6SMatthias Ringwald     int      remote_call_services_nr;
4873deb3ec6SMatthias Ringwald     hfp_call_service_t remote_call_services[HFP_MAX_INDICATOR_DESC_SIZE];
4883deb3ec6SMatthias Ringwald 
4893deb3ec6SMatthias Ringwald     // TODO: use bitmap.
4903deb3ec6SMatthias Ringwald     int      generic_status_indicators_nr;
4913deb3ec6SMatthias Ringwald     hfp_generic_status_indicator_t generic_status_indicators[HFP_MAX_INDICATOR_DESC_SIZE];
4923deb3ec6SMatthias Ringwald     uint8_t  enable_status_update_for_ag_indicators;
4933deb3ec6SMatthias Ringwald 
4943deb3ec6SMatthias Ringwald     uint32_t ag_indicators_status_update_bitmap;
4953deb3ec6SMatthias Ringwald     hfp_network_opearator_t network_operator;
4963deb3ec6SMatthias Ringwald 
4973deb3ec6SMatthias Ringwald     // Retrieved during service level connection establishment, not used yet
4983deb3ec6SMatthias Ringwald     uint8_t  negotiated_codec;
4993deb3ec6SMatthias Ringwald 
500aa4dd815SMatthias Ringwald     // HF -> AG configuration
501aa4dd815SMatthias Ringwald     uint8_t clip_enabled;
502aa4dd815SMatthias Ringwald     uint8_t call_waiting_notification_enabled;
503aa4dd815SMatthias Ringwald 
5043deb3ec6SMatthias Ringwald     // TODO: put these bit flags in a bitmap
505aa4dd815SMatthias Ringwald     uint8_t ok_pending;
506aa4dd815SMatthias Ringwald     // uint8_t send_ok;
5073deb3ec6SMatthias Ringwald     uint8_t send_error;
5083deb3ec6SMatthias Ringwald 
509*ce263fc8SMatthias Ringwald     uint8_t keep_byte;
510*ce263fc8SMatthias Ringwald     uint8_t ignore_value;
511*ce263fc8SMatthias Ringwald     uint8_t resolve_byte;
5123deb3ec6SMatthias Ringwald 
5133deb3ec6SMatthias Ringwald     uint8_t change_status_update_for_individual_ag_indicators;
5143deb3ec6SMatthias Ringwald     uint8_t operator_name_changed;
5153deb3ec6SMatthias Ringwald 
5163deb3ec6SMatthias Ringwald     uint8_t enable_extended_audio_gateway_error_report;
5173deb3ec6SMatthias Ringwald     uint8_t extended_audio_gateway_error;
5183deb3ec6SMatthias Ringwald 
5193deb3ec6SMatthias Ringwald     // establish codecs connection
5203deb3ec6SMatthias Ringwald     uint8_t suggested_codec;
5213deb3ec6SMatthias Ringwald     uint8_t codec_confirmed;
5223deb3ec6SMatthias Ringwald 
523*ce263fc8SMatthias Ringwald     hfp_link_setttings_t link_setting;
524*ce263fc8SMatthias Ringwald 
5253deb3ec6SMatthias Ringwald     uint8_t establish_audio_connection;
5263deb3ec6SMatthias Ringwald     uint8_t release_audio_connection;
5273deb3ec6SMatthias Ringwald 
528*ce263fc8SMatthias Ringwald     timer_source_t hfp_timeout;
529aa4dd815SMatthias Ringwald 
530aa4dd815SMatthias Ringwald     uint8_t microphone_gain;
531aa4dd815SMatthias Ringwald     uint8_t send_microphone_gain;
532aa4dd815SMatthias Ringwald 
533aa4dd815SMatthias Ringwald     uint8_t speaker_gain;
534aa4dd815SMatthias Ringwald     uint8_t send_speaker_gain;
535aa4dd815SMatthias Ringwald 
536aa4dd815SMatthias Ringwald     uint8_t send_phone_number_for_voice_tag;
537*ce263fc8SMatthias Ringwald     uint8_t send_ag_status_indicators;
538*ce263fc8SMatthias Ringwald     uint8_t send_response_and_hold_active;
539*ce263fc8SMatthias Ringwald     uint8_t send_response_and_hold_status;
540*ce263fc8SMatthias Ringwald 
541*ce263fc8SMatthias Ringwald     // AG only
542*ce263fc8SMatthias Ringwald     uint8_t change_in_band_ring_tone_setting;
543*ce263fc8SMatthias Ringwald     uint8_t ag_ring;
544*ce263fc8SMatthias Ringwald     uint8_t ag_send_clip;
545*ce263fc8SMatthias Ringwald     uint8_t ag_echo_and_noise_reduction;
546*ce263fc8SMatthias Ringwald     uint8_t ag_activate_voice_recognition;
547*ce263fc8SMatthias Ringwald     uint8_t send_subscriber_number;
548*ce263fc8SMatthias Ringwald     uint8_t next_subscriber_number_to_send;
549*ce263fc8SMatthias Ringwald 
550*ce263fc8SMatthias Ringwald     int send_status_of_current_calls;
551*ce263fc8SMatthias Ringwald 
552*ce263fc8SMatthias Ringwald     // HF only
553*ce263fc8SMatthias Ringwald     hfp_hf_query_operator_state_t hf_query_operator_state;
554*ce263fc8SMatthias Ringwald     uint8_t hf_answer_incoming_call;
555*ce263fc8SMatthias Ringwald     uint8_t hf_initiate_outgoing_call;
556*ce263fc8SMatthias Ringwald     uint8_t hf_initiate_memory_dialing;
557*ce263fc8SMatthias Ringwald     uint8_t hf_initiate_redial_last_number;
558*ce263fc8SMatthias Ringwald 
559*ce263fc8SMatthias Ringwald     uint8_t hf_send_clip_enable;
560*ce263fc8SMatthias Ringwald     uint8_t hf_send_chup;
561*ce263fc8SMatthias Ringwald     uint8_t hf_send_chld_0;
562*ce263fc8SMatthias Ringwald     uint8_t hf_send_chld_1;
563*ce263fc8SMatthias Ringwald     uint8_t hf_send_chld_2;
564*ce263fc8SMatthias Ringwald     uint8_t hf_send_chld_3;
565*ce263fc8SMatthias Ringwald     uint8_t hf_send_chld_4;
566*ce263fc8SMatthias Ringwald     char    hf_send_dtmf_code;
567*ce263fc8SMatthias Ringwald     uint8_t hf_send_binp;
568*ce263fc8SMatthias Ringwald     uint8_t hf_activate_call_waiting_notification;
569*ce263fc8SMatthias Ringwald     uint8_t hf_deactivate_call_waiting_notification;
570*ce263fc8SMatthias Ringwald 
571*ce263fc8SMatthias Ringwald     uint8_t hf_activate_calling_line_notification;
572*ce263fc8SMatthias Ringwald     uint8_t hf_deactivate_calling_line_notification;
573*ce263fc8SMatthias Ringwald     uint8_t hf_activate_echo_canceling_and_noise_reduction;
574*ce263fc8SMatthias Ringwald     uint8_t hf_deactivate_echo_canceling_and_noise_reduction;
575*ce263fc8SMatthias Ringwald     uint8_t hf_activate_voice_recognition_notification;
576*ce263fc8SMatthias Ringwald     uint8_t hf_deactivate_voice_recognition_notification;
577*ce263fc8SMatthias Ringwald 
578*ce263fc8SMatthias Ringwald     uint8_t bnip_type;       // 0 == not set
579*ce263fc8SMatthias Ringwald     char    bnip_number[25]; //
580*ce263fc8SMatthias Ringwald 
5813deb3ec6SMatthias Ringwald } hfp_connection_t;
5823deb3ec6SMatthias Ringwald 
5833deb3ec6SMatthias Ringwald // UTILS_START : TODO move to utils
5843deb3ec6SMatthias Ringwald int send_str_over_rfcomm(uint16_t cid, char * command);
5853deb3ec6SMatthias Ringwald int join(char * buffer, int buffer_size, uint8_t * values, int values_nr);
5863deb3ec6SMatthias Ringwald int join_bitmap(char * buffer, int buffer_size, uint32_t values, int values_nr);
5873deb3ec6SMatthias Ringwald int get_bit(uint16_t bitmap, int position);
5883deb3ec6SMatthias Ringwald int store_bit(uint32_t bitmap, int position, uint8_t value);
5893deb3ec6SMatthias Ringwald // UTILS_END
5903deb3ec6SMatthias Ringwald 
5919b1c3b4dSMatthias Ringwald void hfp_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t service_uuid, int rfcomm_channel_nr, const char * name);
5923deb3ec6SMatthias Ringwald void hfp_handle_hci_event(hfp_callback_t callback, uint8_t packet_type, uint8_t *packet, uint16_t size);
5933deb3ec6SMatthias Ringwald void hfp_emit_event(hfp_callback_t callback, uint8_t event_subtype, uint8_t value);
594aa4dd815SMatthias Ringwald void hfp_emit_string_event(hfp_callback_t callback, uint8_t event_subtype, const char * value);
595aa4dd815SMatthias Ringwald 
5963deb3ec6SMatthias Ringwald hfp_connection_t * get_hfp_connection_context_for_rfcomm_cid(uint16_t cid);
5973deb3ec6SMatthias Ringwald hfp_connection_t * get_hfp_connection_context_for_bd_addr(bd_addr_t bd_addr);
598aa4dd815SMatthias Ringwald hfp_connection_t * get_hfp_connection_context_for_sco_handle(uint16_t handle);
599aa4dd815SMatthias Ringwald 
6003deb3ec6SMatthias Ringwald int get_hfp_generic_status_indicators_nr(void);
6013deb3ec6SMatthias Ringwald hfp_generic_status_indicator_t * get_hfp_generic_status_indicators(void);
6023deb3ec6SMatthias Ringwald void set_hfp_generic_status_indicators(hfp_generic_status_indicator_t * indicators, int indicator_nr);
6033deb3ec6SMatthias Ringwald 
6043deb3ec6SMatthias Ringwald linked_list_t * hfp_get_connections(void);
605aa4dd815SMatthias Ringwald void hfp_parse(hfp_connection_t * context, uint8_t byte, int isHandsFree);
6063deb3ec6SMatthias Ringwald 
6073deb3ec6SMatthias Ringwald void hfp_init(uint16_t rfcomm_channel_nr);
6083deb3ec6SMatthias Ringwald void hfp_establish_service_level_connection(bd_addr_t bd_addr, uint16_t service_uuid);
6093deb3ec6SMatthias Ringwald void hfp_release_service_level_connection(hfp_connection_t * connection);
6103deb3ec6SMatthias Ringwald void hfp_reset_context_flags(hfp_connection_t * context);
6113deb3ec6SMatthias Ringwald 
6123deb3ec6SMatthias Ringwald void hfp_release_audio_connection(hfp_connection_t * context);
6133deb3ec6SMatthias Ringwald 
614*ce263fc8SMatthias Ringwald void hfp_setup_synchronous_connection(hci_con_handle_t handle, hfp_link_setttings_t link_settings);
615*ce263fc8SMatthias Ringwald 
6163deb3ec6SMatthias Ringwald const char * hfp_hf_feature(int index);
6173deb3ec6SMatthias Ringwald const char * hfp_ag_feature(int index);
6183deb3ec6SMatthias Ringwald 
6193deb3ec6SMatthias Ringwald #if defined __cplusplus
6203deb3ec6SMatthias Ringwald }
6213deb3ec6SMatthias Ringwald #endif
6223deb3ec6SMatthias Ringwald 
6233deb3ec6SMatthias Ringwald #endif