xref: /btstack/src/classic/hfp_ag.h (revision eb4dccece89f38c3fa8fb13197f36188f58d954a)
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
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9  *    notice, this list of conditions and the following disclaimer.
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11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
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15  *    from this software without specific prior written permission.
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20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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37 
38 // *****************************************************************************
39 //
40 // HFP Audio Gateway (AG) unit
41 //
42 // *****************************************************************************
43 
44 
45 #ifndef btstack_hfp_ag_h
46 #define btstack_hfp_ag_h
47 
48 #include "hci.h"
49 #include "classic/sdp_client_rfcomm.h"
50 #include "classic/hfp.h"
51 #include "classic/hfp_gsm_model.h"
52 
53 #if defined __cplusplus
54 extern "C" {
55 #endif
56 
57 /* API_START */
58 typedef struct {
59     uint8_t type;
60     const char * number;
61 } hfp_phone_number_t;
62 
63 /**
64  * @brief Create HFP Audio Gateway (AG) SDP service record.
65  * @param service
66  * @param rfcomm_channel_nr
67  * @param name
68  * @param ability_to_reject_call
69  * @param suported_features 32-bit bitmap, see HFP_AGSF_* values in hfp.h
70  * @param wide_band_speech supported
71  */
72 void hfp_ag_create_sdp_record(uint8_t * service, uint32_t service_record_handle, int rfcomm_channel_nr, const char * name, uint8_t ability_to_reject_call, uint16_t supported_features, int wide_band_speech);
73 
74 /**
75  * @brief Set up HFP Audio Gateway (AG) device without additional supported features.
76  * @param rfcomm_channel_nr
77  */
78 void hfp_ag_init(uint16_t rfcomm_channel_nr);
79 
80 /**
81  * @brief Set codecs.
82  * @param codecs_nr
83  * @param codecs
84  */
85 void hfp_ag_init_codecs(int codecs_nr, const uint8_t * codecs);
86 
87 /**
88  * @brief Set supported features.
89  * @param supported_features 32-bit bitmap, see HFP_AGSF_* values in hfp.h
90  */
91 void hfp_ag_init_supported_features(uint32_t supported_features);
92 
93 /**
94  * @brief Set AG indicators.
95  * @param indicators_nr
96  * @param indicators
97  */
98 void hfp_ag_init_ag_indicators(int ag_indicators_nr, const hfp_ag_indicator_t * ag_indicators);
99 
100 /**
101  * @brief Set HF indicators.
102  * @param indicators_nr
103  * @param indicators
104  */
105 void hfp_ag_init_hf_indicators(int hf_indicators_nr, const hfp_generic_status_indicator_t * hf_indicators);
106 
107 /**
108  * @brief Set Call Hold services.
109  * @param indicators_nr
110  * @param indicators
111  */
112 void hfp_ag_init_call_hold_services(int call_hold_services_nr, const char * call_hold_services[]);
113 
114 
115 /**
116  * @brief Register callback for the HFP Audio Gateway (AG) client.
117  * @param callback
118  */
119 void hfp_ag_register_packet_handler(btstack_packet_handler_t callback);
120 
121 /**
122  * @brief Enable in-band ring tone.
123  * @param use_in_band_ring_tone
124  */
125 void hfp_ag_set_use_in_band_ring_tone(int use_in_band_ring_tone);
126 
127 
128 // actions used by local device / user
129 
130 /**
131  * @brief Establish RFCOMM connection, and perform service level connection agreement:
132  * - exchange of supported features
133  * - report Audio Gateway (AG) indicators and their status
134  * - enable indicator status update in the AG
135  * - accept the information about available codecs in the Hands-Free (HF), if sent
136  * - report own information describing the call hold and multiparty services, if possible
137  * - report which HF indicators are enabled on the AG, if possible
138  * The status of SLC connection establishment is reported via
139  * HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED.
140  *
141  * @param bd_addr Bluetooth address of the HF
142  */
143 void hfp_ag_establish_service_level_connection(bd_addr_t bd_addr);
144 
145 /**
146  * @brief Release the RFCOMM channel and the audio connection between the HF and the AG.
147  * If the audio connection exists, it will be released.
148  * The status of releasing the SLC connection is reported via
149  * HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED.
150  *
151  * @param bd_addr Bluetooth address of the HF
152  */
153 void hfp_ag_release_service_level_connection(hci_con_handle_t acl_handle);
154 
155 /**
156  * @brief Establish audio connection.
157  * The status of Audio connection establishment is reported via is reported via
158  * HSP_SUBEVENT_AUDIO_CONNECTION_COMPLETE.
159  * @param bd_addr Bluetooth address of the HF
160  */
161 void hfp_ag_establish_audio_connection(hci_con_handle_t acl_handle);
162 
163 /**
164  * @brief Release audio connection.
165  * The status of releasing the Audio connection is reported via is reported via
166  * HSP_SUBEVENT_AUDIO_DISCONNECTION_COMPLETE.
167  * @param bd_addr Bluetooth address of the HF
168  */
169 void hfp_ag_release_audio_connection(hci_con_handle_t acl_handle);
170 
171 /**
172  * @brief Put the current call on hold, if it exists, and accept incoming call.
173  */
174 void hfp_ag_answer_incoming_call(void);
175 
176 /**
177  * @brief Join held call with active call.
178  */
179 void hfp_ag_join_held_call(void);
180 
181 /**
182  * @brief Reject incoming call, if exists, or terminate active call.
183  */
184 void hfp_ag_terminate_call(void);
185 
186 /*
187  * @brief Put incoming call on hold.
188  */
189 void hfp_ag_hold_incoming_call(void);
190 
191 /*
192  * @brief Accept the held incoming call.
193  */
194 void hfp_ag_accept_held_incoming_call(void);
195 
196 /*
197  * @brief Reject the held incoming call.
198  */
199 void hfp_ag_reject_held_incoming_call(void);
200 
201 /*
202  * @brief Set microphone gain.
203  * @param bd_addr Bluetooth address of the HF
204  * @param gain Valid range: [0,15]
205  */
206 void hfp_ag_set_microphone_gain(hci_con_handle_t acl_handle, int gain);
207 
208 /*
209  * @brief Set speaker gain.
210  * @param bd_addr Bluetooth address of the HF
211  * @param gain Valid range: [0,15]
212  */
213 void hfp_ag_set_speaker_gain(hci_con_handle_t acl_handle, int gain);
214 
215 /*
216  * @brief Set battery level.
217  * @param level Valid range: [0,5]
218  */
219 void hfp_ag_set_battery_level(int level);
220 
221 /*
222  * @brief Clear last dialed number.
223  */
224 void hfp_ag_clear_last_dialed_number(void);
225 
226 /*
227  * @brief Set last dialed number.
228  */
229 void hfp_ag_set_last_dialed_number(const char * number);
230 
231 /*
232  * @brief Notify the HF that an incoming call is waiting
233  * during an ongoing call. The notification will be sent only if the HF has
234  * has previously enabled the "Call Waiting notification" in the AG.
235  * @param bd_addr Bluetooth address of the HF
236  */
237 void hfp_ag_notify_incoming_call_waiting(hci_con_handle_t acl_handle);
238 
239 // Voice Recognition
240 
241 /*
242  * @brief Activate voice recognition.
243  * @param bd_addr Bluetooth address of the HF
244  * @param activate
245  */
246 void hfp_ag_activate_voice_recognition(hci_con_handle_t acl_handle, int activate);
247 
248 /*
249  * @brief Send a phone number back to the HF.
250  * @param bd_addr Bluetooth address of the HF
251  * @param phone_number
252  */
253 void hfp_ag_send_phone_number_for_voice_tag(hci_con_handle_t acl_handle, const char * phone_number);
254 
255 /*
256  * @brief Reject sending a phone number to the HF.
257  * @param bd_addr Bluetooth address of the HF
258  */
259 void hfp_ag_reject_phone_number_for_voice_tag(hci_con_handle_t acl_handle);
260 
261 /**
262  * @brief Store phone number with initiated call.
263  * @param type
264  * @param number
265  */
266 void hfp_ag_set_clip(uint8_t type, const char * number);
267 
268 
269 // Cellular Actions
270 
271 /**
272  * @brief Pass the accept incoming call event to the AG.
273  */
274 void hfp_ag_incoming_call(void);
275 
276 /**
277  * @brief Outgoing call initiated
278  */
279 void hfp_ag_outgoing_call_initiated(const char * number);
280 
281 /**
282  * @brief Pass the reject outgoing call event to the AG.
283  */
284 void hfp_ag_outgoing_call_rejected(void);
285 
286 /**
287  * @brief Pass the accept outgoing call event to the AG.
288  */
289 void hfp_ag_outgoing_call_accepted(void);
290 
291 /**
292  * @brief Pass the outgoing call ringing event to the AG.
293  */
294 void hfp_ag_outgoing_call_ringing(void);
295 
296 /**
297  * @brief Pass the outgoing call established event to the AG.
298  */
299 void hfp_ag_outgoing_call_established(void);
300 
301 /**
302  * @brief Pass the call droped event to the AG.
303  */
304 void hfp_ag_call_dropped(void);
305 
306 /*
307  * @brief Set network registration status.
308  * @param status 0 - not registered, 1 - registered
309  */
310 void hfp_ag_set_registration_status(int status);
311 
312 /*
313  * @brief Set network signal strength.
314  * @param strength [0-5]
315  */
316 void hfp_ag_set_signal_strength(int strength);
317 
318 /*
319  * @brief Set roaming status.
320  * @param status 0 - no roaming, 1 - roaming active
321  */
322 void hfp_ag_set_roaming_status(int status);
323 
324 /*
325  * @brief Set subcriber number information, e.g. the phone number
326  * @param numbers
327  * @param numbers_count
328  */
329 void hfp_ag_set_subcriber_number_information(hfp_phone_number_t * numbers, int numbers_count);
330 
331 /*
332  * @brief Called by cellular unit after a DTMF code was transmitted, so that the next one can be emitted.
333  * @param bd_addr Bluetooth address of the HF
334  */
335 void hfp_ag_send_dtmf_code_done(hci_con_handle_t acl_handle);
336 
337 /**
338  * @brief Report Extended Audio Gateway Error result codes in the AG.
339  * Whenever there is an error relating to the functionality of the AG as a
340  * result of AT command, the AG shall send +CME ERROR:
341  * - +CME ERROR: 0  - AG failure
342  * - +CME ERROR: 1  - no connection to phone
343  * - +CME ERROR: 3  - operation not allowed
344  * - +CME ERROR: 4  - operation not supported
345  * - +CME ERROR: 5  - PH-SIM PIN required
346  * - +CME ERROR: 10 - SIM not inserted
347  * - +CME ERROR: 11 - SIM PIN required
348  * - +CME ERROR: 12 - SIM PUK required
349  * - +CME ERROR: 13 - SIM failure
350  * - +CME ERROR: 14 - SIM busy
351  * - +CME ERROR: 16 - incorrect password
352  * - +CME ERROR: 17 - SIM PIN2 required
353  * - +CME ERROR: 18 - SIM PUK2 required
354  * - +CME ERROR: 20 - memory full
355  * - +CME ERROR: 21 - invalid index
356  * - +CME ERROR: 23 - memory failure
357  * - +CME ERROR: 24 - text string too long
358  * - +CME ERROR: 25 - invalid characters in text string
359  * - +CME ERROR: 26 - dial string too long
360  * - +CME ERROR: 27 - invalid characters in dial string
361  * - +CME ERROR: 30 - no network service
362  * - +CME ERROR: 31 - network Timeout.
363  * - +CME ERROR: 32 - network not allowed – Emergency calls only
364  *
365  * @param bd_addr Bluetooth address of the HF
366  * @param error
367  */
368 void hfp_ag_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle, hfp_cme_error_t error);
369 
370 /**
371  * @brief De-Init HFP AG
372  */
373 void hfp_ag_deinit(void);
374 
375 /* API_END */
376 
377 // testing
378 hfp_ag_indicator_t * hfp_ag_get_ag_indicators(hfp_connection_t * hfp_connection);
379 
380 #if defined __cplusplus
381 }
382 #endif
383 
384 #endif
385