xref: /btstack/src/bluetooth.h (revision c824d78c0a34df89b57d535abafcc7dacf30bb06)
1 /*
2  * Copyright (C) 2015 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
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
14  *    contributors may be used to endorse or promote products derived
15  *    from this software without specific prior written permission.
16  * 4. Any redistribution, use, or modification is done solely for
17  *    personal benefit and not for any commercial purpose or for
18  *    monetary gain.
19  *
20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
24  * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * Please inquire about commercial licensing options at
34  * [email protected]
35  *
36  */
37 
38 /*
39  * bluetooth.h
40  *
41  * Numbers defined or derived from the official Bluetooth specification
42  */
43 
44 #ifndef BLUETOOTH_H
45 #define BLUETOOTH_H
46 
47 #include <stdint.h>
48 
49 /**
50  * @brief hci connection handle type
51  */
52 typedef uint16_t hci_con_handle_t;
53 
54 /**
55  * @brief Length of a bluetooth device address.
56  */
57 #define BD_ADDR_LEN 6
58 
59 /**
60  * @brief Bluetooth address
61  */
62 typedef uint8_t bd_addr_t[BD_ADDR_LEN];
63 
64 /**
65  * Address types
66  * @note: BTstack uses a custom addr type to refer to classic ACL and SCO devices
67  */
68  typedef enum {
69     BD_ADDR_TYPE_LE_PUBLIC = 0,
70     BD_ADDR_TYPE_LE_RANDOM = 1,
71     BD_ADDR_TYPE_LE_PRIVAT_FALLBACK_PUBLIC = 2,
72     BD_ADDR_TYPE_LE_PRIVAT_FALLBACK_RANDOM = 3,
73     BD_ADDR_TYPE_SCO       = 0xfc,
74     BD_ADDR_TYPE_ACL       = 0xfd,
75     BD_ADDR_TYPE_UNKNOWN   = 0xfe,  // also used as 'invalid'
76 } bd_addr_type_t;
77 
78 /**
79  * Link types for BR/EDR Connections
80  */
81 typedef enum {
82     HCI_LINK_TYPE_SCO  = 0,
83     HCI_LINK_TYPE_ACL  = 1,
84     HCI_LINK_TYPE_ESCO = 2,
85 } hci_link_type_t;
86 
87 
88 /**
89  * @brief link key
90  */
91 #define LINK_KEY_LEN 16
92 #define LINK_KEY_STR_LEN (LINK_KEY_LEN*2)
93 typedef uint8_t link_key_t[LINK_KEY_LEN];
94 
95 /**
96  * @brief link key type
97  */
98 typedef enum {
99   INVALID_LINK_KEY = 0xffff,
100   COMBINATION_KEY = 0,  // standard pairing
101   LOCAL_UNIT_KEY,     // ?
102   REMOTE_UNIT_KEY,    // ?
103   DEBUG_COMBINATION_KEY,  // SSP with debug
104   UNAUTHENTICATED_COMBINATION_KEY_GENERATED_FROM_P192, // SSP Simple Pairing
105   AUTHENTICATED_COMBINATION_KEY_GENERATED_FROM_P192,   // SSP Passkey, Number confirm, OOB
106   CHANGED_COMBINATION_KEY,               // Link key changed using Change Connection Lnk Key
107   UNAUTHENTICATED_COMBINATION_KEY_GENERATED_FROM_P256, // SSP Simpe Pairing
108   AUTHENTICATED_COMBINATION_KEY_GENERATED_FROM_P256,   // SSP Passkey, Number confirm, OOB
109 } link_key_type_t;
110 
111 /**
112  * @brief Extended Inquiry Response
113  */
114 #define EXTENDED_INQUIRY_RESPONSE_DATA_LEN 240
115 
116 /**
117  * @brief Inquiry modes
118  */
119 typedef enum {
120   INQUIRY_MODE_STANDARD = 0,
121   INQUIRY_MODE_RSSI,
122   INQUIRY_MODE_RSSI_AND_EIR,
123 } inquiry_mode_t;
124 
125 /**
126  * @brief Page Scan Types
127  */
128 typedef enum {
129     PAGE_SCAN_MODE_STANDARD = 0,
130     PAGE_SCAN_MODE_INTERLACED,
131 } page_scan_type_t;
132 
133 /**
134  * @brief Inquiry Scan Types
135  */
136 typedef enum {
137     INQUIRY_SCAN_MODE_STANDARD = 0,
138     INQUIRY_SCAN_MODE_INTERLACED,
139 } inquiry_scan_type_t;
140 
141 /**
142  * Link Supervision Timeout Default, 0x7d00 * 0.625ms = 20s
143  */
144 #define HCI_LINK_SUPERVISION_TIMEOUT_DEFAULT 0x7D00
145 
146 /**
147  * Service Type used for QoS Setup and Flow Specification
148  */
149 typedef enum {
150     HCI_SERVICE_TYPE_NO_TRAFFIC = 0,
151     HCI_SERVICE_TYPE_BEST_EFFORT,
152     HCI_SERVICE_TYPE_GUARANTEED,
153     HCI_SERVICE_TYPE_INVALID,
154 } hci_service_type_t;
155 
156 /**
157  * HCI Transport
158  */
159 
160 /**
161  * packet types - used in BTstack and over the H4 UART interface
162  */
163 #define HCI_COMMAND_DATA_PACKET 0x01
164 #define HCI_ACL_DATA_PACKET     0x02
165 #define HCI_SCO_DATA_PACKET     0x03
166 #define HCI_EVENT_PACKET        0x04
167 #define HCI_ISO_DATA_PACKET     0x05
168 
169 /**
170  * Other assigned numbers, Assigned_Numbers_Host Controller Interface.pdf
171  */
172 
173 typedef enum {
174     HCI_AUDIO_CODING_FORMAT_U_LAW_LOG = 0x00,
175     HCI_AUDIO_CODING_FORMAT_A_LAW_LOG,
176     HCI_AUDIO_CODING_FORMAT_CVSD,
177     HCI_AUDIO_CODING_FORMAT_TRANSPARENT, // Indicates that the controller does not do any transcoding or resampling. This is also used for test mode.
178     HCI_AUDIO_CODING_FORMAT_LINEAR_PCM,
179     HCI_AUDIO_CODING_FORMAT_MSBC,
180     HCI_AUDIO_CODING_FORMAT_LC3,
181     HCI_AUDIO_CODING_FORMAT_G_729A,
182     HCI_AUDIO_CODING_FORMAT_RFU,
183     HCI_AUDIO_CODING_FORMAT_VENDOR_SPECIFIC = 0xFF
184 } hci_audio_coding_format_t;
185 
186 /**
187  * HCI Layer
188  */
189 
190 //
191 // Error Codes rfom Bluetooth Core Specification
192 //
193 
194 /* ENUM_START: BLUETOOTH_ERROR_CODE */
195 #define ERROR_CODE_SUCCESS                                 0x00
196 #define ERROR_CODE_UNKNOWN_HCI_COMMAND                     0x01
197 #define ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER           0x02
198 #define ERROR_CODE_HARDWARE_FAILURE                        0x03
199 #define ERROR_CODE_PAGE_TIMEOUT                            0x04
200 #define ERROR_CODE_AUTHENTICATION_FAILURE                  0x05
201 #define ERROR_CODE_PIN_OR_KEY_MISSING                      0x06
202 #define ERROR_CODE_MEMORY_CAPACITY_EXCEEDED                0x07
203 #define ERROR_CODE_CONNECTION_TIMEOUT                      0x08
204 #define ERROR_CODE_CONNECTION_LIMIT_EXCEEDED               0x09
205 #define ERROR_CODE_SYNCHRONOUS_CONNECTION_LIMIT_TO_A_DEVICE_EXCEEDED  0x0A
206 #define ERROR_CODE_ACL_CONNECTION_ALREADY_EXISTS           0x0B
207 #define ERROR_CODE_COMMAND_DISALLOWED                      0x0C
208 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_LIMITED_RESOURCES 0x0D
209 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_SECURITY_REASONS  0x0E
210 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_UNACCEPTABLE_BD_ADDR 0x0F
211 #define ERROR_CODE_CONNECTION_ACCEPT_TIMEOUT_EXCEEDED      0x10
212 #define ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE  0x11
213 #define ERROR_CODE_INVALID_HCI_COMMAND_PARAMETERS          0x12
214 #define ERROR_CODE_REMOTE_USER_TERMINATED_CONNECTION       0x13
215 #define ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_LOW_RESOURCES 0x14
216 #define ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_POWER_OFF     0x15
217 #define ERROR_CODE_CONNECTION_TERMINATED_BY_LOCAL_HOST     0x16
218 #define ERROR_CODE_REPEATED_ATTEMPTS                       0x17
219 #define ERROR_CODE_PAIRING_NOT_ALLOWED                     0x18
220 #define ERROR_CODE_UNKNOWN_LMP_PDU                         0x19
221 #define ERROR_CODE_UNSUPPORTED_REMOTE_FEATURE_UNSUPPORTED_LMP_FEATURE 0x1A
222 #define ERROR_CODE_SCO_OFFSET_REJECTED                     0x1B
223 #define ERROR_CODE_SCO_INTERVAL_REJECTED                   0x1C
224 #define ERROR_CODE_SCO_AIR_MODE_REJECTED                   0x1D
225 #define ERROR_CODE_INVALID_LMP_PARAMETERS_INVALID_LL_PARAMETERS 0x1E
226 #define ERROR_CODE_UNSPECIFIED_ERROR                       0x1F
227 #define ERROR_CODE_UNSUPPORTED_LMP_PARAMETER_VALUE_UNSUPPORTED_LL_PARAMETER_VALUE 0x20
228 #define ERROR_CODE_ROLE_CHANGE_NOT_ALLOWED                 0x21
229 #define ERROR_CODE_LMP_RESPONSE_TIMEOUT_LL_RESPONSE_TIMEOUT 0x22
230 #define ERROR_CODE_LMP_ERROR_TRANSACTION_COLLISION         0x23
231 #define ERROR_CODE_LMP_PDU_NOT_ALLOWED                     0x24
232 #define ERROR_CODE_ENCRYPTION_MODE_NOT_ACCEPTABLE          0x25
233 #define ERROR_CODE_LINK_KEY_CANNOT_BE_CHANGED              0x26
234 #define ERROR_CODE_REQUESTED_QOS_NOT_SUPPORTED             0x27
235 #define ERROR_CODE_INSTANT_PASSED                          0x28
236 #define ERROR_CODE_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED     0x29
237 #define ERROR_CODE_DIFFERENT_TRANSACTION_COLLISION         0x2A
238 #define ERROR_CODE_RESERVED                                0x2B
239 #define ERROR_CODE_QOS_UNACCEPTABLE_PARAMETER              0x2C
240 #define ERROR_CODE_QOS_REJECTED                            0x2D
241 #define ERROR_CODE_CHANNEL_CLASSIFICATION_NOT_SUPPORTED    0x2E
242 #define ERROR_CODE_INSUFFICIENT_SECURITY                   0x2F
243 #define ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE        0x30
244 // #define ERROR_CODE_RESERVED
245 #define ERROR_CODE_ROLE_SWITCH_PENDING                     0x32
246 // #define ERROR_CODE_RESERVED
247 #define ERROR_CODE_RESERVED_SLOT_VIOLATION                 0x34
248 #define ERROR_CODE_ROLE_SWITCH_FAILED                      0x35
249 #define ERROR_CODE_EXTENDED_INQUIRY_RESPONSE_TOO_LARGE     0x36
250 #define ERROR_CODE_SECURE_SIMPLE_PAIRING_NOT_SUPPORTED_BY_HOST 0x37
251 #define ERROR_CODE_HOST_BUSY_PAIRING                       0x38
252 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_NO_SUITABLE_CHANNEL_FOUND 0x39
253 #define ERROR_CODE_CONTROLLER_BUSY                         0x3A
254 #define ERROR_CODE_UNACCEPTABLE_CONNECTION_PARAMETERS      0x3B
255 #define ERROR_CODE_DIRECTED_ADVERTISING_TIMEOUT            0x3C
256 #define ERROR_CODE_CONNECTION_TERMINATED_DUE_TO_MIC_FAILURE 0x3D
257 #define ERROR_CODE_CONNECTION_FAILED_TO_BE_ESTABLISHED     0x3E
258 #define ERROR_CODE_MAC_CONNECTION_FAILED                   0x3F
259 #define ERROR_CODE_COARSE_CLOCK_ADJUSTMENT_REJECTED_BUT_WILL_TRY_TO_ADJUST_USING_CLOCK_DRAGGING 0x40
260 
261 // BTstack defined ERRORS, mapped into BLuetooth status code range
262 
263 #define BTSTACK_CONNECTION_TO_BTDAEMON_FAILED              0x50
264 #define BTSTACK_ACTIVATION_FAILED_SYSTEM_BLUETOOTH         0x51
265 #define BTSTACK_ACTIVATION_POWERON_FAILED                  0x52
266 #define BTSTACK_ACTIVATION_FAILED_UNKNOWN                  0x53
267 #define BTSTACK_NOT_ACTIVATED                              0x54
268 #define BTSTACK_BUSY                                       0x55
269 #define BTSTACK_MEMORY_ALLOC_FAILED                        0x56
270 #define BTSTACK_ACL_BUFFERS_FULL                           0x57
271 
272 // l2cap errors - enumeration by the command that created them
273 #define L2CAP_COMMAND_REJECT_REASON_COMMAND_NOT_UNDERSTOOD 0x60
274 #define L2CAP_COMMAND_REJECT_REASON_SIGNALING_MTU_EXCEEDED 0x61
275 #define L2CAP_COMMAND_REJECT_REASON_INVALID_CID_IN_REQUEST 0x62
276 
277 #define L2CAP_CONNECTION_RESPONSE_RESULT_SUCCESSFUL        0x63
278 #define L2CAP_CONNECTION_RESPONSE_RESULT_PENDING           0x64
279 #define L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_PSM       0x65
280 #define L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_SECURITY  0x66
281 #define L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_RESOURCES 0x67
282 #define L2CAP_CONNECTION_RESPONSE_RESULT_ERTM_NOT_SUPPORTED 0x68
283 
284 // should be L2CAP_CONNECTION_RTX_TIMEOUT
285 #define L2CAP_CONNECTION_RESPONSE_RESULT_RTX_TIMEOUT       0x69
286 #define L2CAP_CONNECTION_BASEBAND_DISCONNECT               0x6A
287 #define L2CAP_SERVICE_ALREADY_REGISTERED                   0x6B
288 #define L2CAP_DATA_LEN_EXCEEDS_REMOTE_MTU                  0x6C
289 #define L2CAP_SERVICE_DOES_NOT_EXIST                       0x6D
290 #define L2CAP_LOCAL_CID_DOES_NOT_EXIST                     0x6E
291 #define L2CAP_CONNECTION_RESPONSE_UNKNOWN_ERROR            0x6F
292 
293 #define RFCOMM_MULTIPLEXER_STOPPED                         0x70
294 #define RFCOMM_CHANNEL_ALREADY_REGISTERED                  0x71
295 #define RFCOMM_NO_OUTGOING_CREDITS                         0x72
296 #define RFCOMM_AGGREGATE_FLOW_OFF                          0x73
297 #define RFCOMM_DATA_LEN_EXCEEDS_MTU                        0x74
298 
299 #define HFP_REMOTE_REJECTS_AUDIO_CONNECTION                0x7F
300 
301 #define SDP_HANDLE_ALREADY_REGISTERED                      0x80
302 #define SDP_QUERY_INCOMPLETE                               0x81
303 #define SDP_SERVICE_NOT_FOUND                              0x82
304 #define SDP_HANDLE_INVALID                                 0x83
305 #define SDP_QUERY_BUSY                                     0x84
306 
307 #define ATT_HANDLE_VALUE_INDICATION_IN_PROGRESS            0x90
308 #define ATT_HANDLE_VALUE_INDICATION_TIMEOUT                0x91
309 #define ATT_HANDLE_VALUE_INDICATION_DISCONNECT             0x92
310 
311 #define GATT_CLIENT_NOT_CONNECTED                          0x93
312 #define GATT_CLIENT_BUSY                                   0x94
313 #define GATT_CLIENT_IN_WRONG_STATE                         0x95
314 #define GATT_CLIENT_DIFFERENT_CONTEXT_FOR_ADDRESS_ALREADY_EXISTS 0x96
315 #define GATT_CLIENT_VALUE_TOO_LONG                         0x97
316 #define GATT_CLIENT_CHARACTERISTIC_NOTIFICATION_NOT_SUPPORTED 0x98
317 #define GATT_CLIENT_CHARACTERISTIC_INDICATION_NOT_SUPPORTED   0x99
318 
319 #define BNEP_SERVICE_ALREADY_REGISTERED                    0xA0
320 #define BNEP_CHANNEL_NOT_CONNECTED                         0xA1
321 #define BNEP_DATA_LEN_EXCEEDS_MTU                          0xA2
322 
323 // OBEX ERRORS
324 #define OBEX_UNKNOWN_ERROR                                 0xB0
325 #define OBEX_CONNECT_FAILED                                0xB1
326 #define OBEX_DISCONNECTED                                  0xB2
327 #define OBEX_NOT_FOUND                                     0xB3
328 #define OBEX_NOT_ACCEPTABLE                                0xB4
329 #define OBEX_ABORTED                                       0xB5
330 
331 #define MESH_ERROR_APPKEY_INDEX_INVALID                    0xD0
332 /* ENUM_END */
333 
334 
335 /* ENUM_START: AVRCP_BROWSING_ERROR_CODE */
336 #define AVRCP_BROWSING_ERROR_CODE_INVALID_COMMAND                     0x00  // Sent if TG received a PDU that it did not understand. Valid for All.
337 #define AVRCP_BROWSING_ERROR_CODE_INVALID_PARAMETER                   0x01  // Sent if the TG received a PDU with a parameter ID that it did not understand. Sent if there is only one parameter ID in the PDU. Valid for All.
338 #define AVRCP_BROWSING_ERROR_CODE_SPECIFIED_PARAMETER_NOT_FOUND       0x02  // Sent if the parameter ID is understood, but content is wrong or corrupted. Valid for All.
339 #define AVRCP_BROWSING_ERROR_CODE_INTERNAL_ERROR                      0x03  // Sent if there are error conditions not covered by a more specific error code. Valid for All.
340 #define AVRCP_BROWSING_ERROR_CODE_SUCCESS                             0x04  // This is the status that should be returned if the operation was successful. Valid for All except where the response CType is AV/C REJECTED.
341 #define AVRCP_BROWSING_ERROR_CODE_UID_CHANGED                         0x05  // The UIDs on the device have changed. Valid for All.
342 #define AVRCP_BROWSING_ERROR_CODE_RESERVED_06                         0x06  // Valid for All.
343 #define AVRCP_BROWSING_ERROR_CODE_INVALID_DIRECTION                   0x07  // The Direction parameter is invalid. Valid for Change Path.
344 #define AVRCP_BROWSING_ERROR_CODE_NOT_A_DIRECTORY                     0x08  // The UID provided does not refer to a folder item. Valid for Change Path.
345 #define AVRCP_BROWSING_ERROR_CODE_DOES_NOT_EXIST                      0x09  // The UID provided does not refer to any currently valid. Valid for Change Path, PlayItem, AddToNowPlaying, GetItemAttributes.
346 #define AVRCP_BROWSING_ERROR_CODE_INVALID_SCOPE                       0x0a  // The scope parameter is invalid. Valid for GetFolderItems, PlayItem, AddToNowPlayer, GetItemAttributes,.
347 #define AVRCP_BROWSING_ERROR_CODE_RANGE_OUT_OF_BOUNDS                 0x0b  // The start of range provided is not valid. Valid for GetFolderItems.
348 #define AVRCP_BROWSING_ERROR_CODE_UID_IS_A_DIRECTORY                  0x0c  // The UID provided refers to a directory, which cannot be handled by this media player. Valid for PlayItem, AddToNowPlaying.
349 #define AVRCP_BROWSING_ERROR_CODE_MEDIA_IN_USES                       0x0d  // The media is not able to be used for this operation at this time. Valid for PlayItem, AddToNowPlaying.
350 #define AVRCP_BROWSING_ERROR_CODE_NOW_PLAYING_LIST_FULL               0x0e  // No more items can be added to the Now Playing List. Valid for AddToNowPlaying.
351 #define AVRCP_BROWSING_ERROR_CODE_SEARCH_NOT_SUPPORTED                0x0f  // The Browsed Media Player does not support search. Valid for Search.
352 #define AVRCP_BROWSING_ERROR_CODE_SEARCH_IN_PROGRESS                  0x10  // A search operation is already in progress. Valid for Search.
353 #define AVRCP_BROWSING_ERROR_CODE_INVALID_PLAYER_ID                   0x11  // The specified Player Id does not refer to a valid player. Valid for SetAddressedPlayer, SetBrowsedPlayer.
354 #define AVRCP_BROWSING_ERROR_CODE_PLAYER_NOT_BROWSABLE                0x12  // The Player Id supplied refers to a Media Player which does not support browsing. Valid for SetBrowsedPlayer.
355 #define AVRCP_BROWSING_ERROR_CODE_PLAYER_NOT_ADDRESSED                0x13  // The Player Id supplied refers to a player which is not currently addressed, and the command is not able to be performed if the player is not set as addressed. Valid for Search SetBrowsedPlayer.
356 #define AVRCP_BROWSING_ERROR_CODE_NO_VALID_SEARCH_RESULTS             0x14  // The Search result list does not contain valid entries, e.g. after being invalidated due to change of browsed player. Valid for GetFolderItems.
357 #define AVRCP_BROWSING_ERROR_CODE_NO_AVAILABLE_PLAYERS                0x15  // Valid for All.
358 #define AVRCP_BROWSING_ERROR_CODE_ADDRESSED_PLAYER_CHANGED            0x16  // Valid for Register Notification.
359 // 0x17-0xff Reserved
360 /* ENUM_END */
361 
362 // HCI roles
363 typedef enum {
364     HCI_ROLE_MASTER = 0,
365     HCI_ROLE_SLAVE  = 1,
366     HCI_ROLE_INVALID = 0xff,
367 } hci_role_t;
368 
369 // packet sizes (max payload)
370 #define HCI_ACL_DM1_SIZE            17
371 #define HCI_ACL_DH1_SIZE            27
372 #define HCI_ACL_2DH1_SIZE           54
373 #define HCI_ACL_3DH1_SIZE           83
374 #define HCI_ACL_DM3_SIZE           121
375 #define HCI_ACL_DH3_SIZE           183
376 #define HCI_ACL_DM5_SIZE           224
377 #define HCI_ACL_DH5_SIZE           339
378 #define HCI_ACL_2DH3_SIZE          367
379 #define HCI_ACL_3DH3_SIZE          552
380 #define HCI_ACL_2DH5_SIZE          679
381 #define HCI_ACL_3DH5_SIZE         1021
382 
383 #define LE_ADVERTISING_DATA_SIZE    31
384 #define LE_EXTENDED_ADVERTISING_MAX_HANDLE 0xEFu
385 #define LE_EXTENDED_ADVERTISING_MAX_CHUNK_LEN 251
386 
387 // advertising event properties for extended advertising
388 #define LE_ADVERTISING_PROPERTIES_CONNECTABLE      (1u<<0)
389 #define LE_ADVERTISING_PROPERTIES_SCANNABLE        (1u<<1)
390 #define LE_ADVERTISING_PROPERTIES_DIRECTED         (1u<<2)
391 #define LE_ADVERTISING_PROPERTIES_HIGH_DUTY_CYCLE  (1u<<3)
392 #define LE_ADVERTISING_PROPERTIES_LEGACY           (1u<<4)
393 #define LE_ADVERTISING_PROPERTIES_ANONYMOUS        (1u<<5)
394 #define LE_ADVERTISING_PROPERTIES_INCLUDE_TX_POWER (1u<<6)
395 
396 
397 // SCO Packet Types
398 #define SCO_PACKET_TYPES_NONE  0x0000
399 #define SCO_PACKET_TYPES_HV1   0x0001
400 #define SCO_PACKET_TYPES_HV3   0x0004
401 #define SCO_PACKET_TYPES_EV3   0x0008
402 #define SCO_PACKET_TYPES_2EV3  0x0040
403 #define SCO_PACKET_TYPES_ALL   0x03FF
404 
405 // Link Policy Settings
406 #define LM_LINK_POLICY_DISABLE_ALL_LM_MODES  0
407 #define LM_LINK_POLICY_ENABLE_ROLE_SWITCH    1
408 #define LM_LINK_POLICY_ENABLE_HOLD_MODE      2
409 #define LM_LINK_POLICY_ENABLE_SNIFF_MODE     4
410 
411 // ACL Connection Modes
412 #define ACL_CONNECTION_MODE_ACTIVE 0
413 #define ACL_CONNECTION_MODE_HOLD   1
414 #define ACL_CONNECTION_MODE_SNIFF  2
415 
416 /**
417  * Default INQ Mode
418  */
419 #define GAP_IAC_GENERAL_INQUIRY 0x9E8B33L // General/Unlimited Inquiry Access Code (GIAC)
420 #define GAP_IAC_LIMITED_INQUIRY 0x9E8B00L // Limited Dedicated Inquiry Access Code (LIAC)
421 
422 /**
423  * SSP IO Capabilities
424  */
425 #define SSP_IO_CAPABILITY_DISPLAY_ONLY   0
426 #define SSP_IO_CAPABILITY_DISPLAY_YES_NO 1
427 #define SSP_IO_CAPABILITY_KEYBOARD_ONLY  2
428 #define SSP_IO_CAPABILITY_NO_INPUT_NO_OUTPUT 3
429 #define SSP_IO_CAPABILITY_UNKNOWN 0xff
430 
431 
432 /**
433  * SSP Authentication Requirements, see IO Capability Request Reply Commmand
434  */
435 
436 // Numeric comparison with automatic accept allowed.
437 #define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_NO_BONDING 0x00
438 
439 // Use IO Capabilities to deter- mine authentication procedure
440 #define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_NO_BONDING 0x01
441 
442 // Numeric compar- ison with automatic accept allowed.
443 #define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_DEDICATED_BONDING 0x02
444 
445 // Use IO Capabilities to determine authentication procedure
446 #define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_DEDICATED_BONDING 0x03
447 
448 // Numeric Compari- son with automatic accept allowed.
449 #define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_GENERAL_BONDING 0x04
450 
451 // Use IO capabilities to determine authentication procedure.
452 #define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_GENERAL_BONDING 0x05
453 
454 
455 // OGFs
456 #define OGF_LINK_CONTROL          0x01
457 #define OGF_LINK_POLICY           0x02
458 #define OGF_CONTROLLER_BASEBAND   0x03
459 #define OGF_INFORMATIONAL_PARAMETERS 0x04
460 #define OGF_STATUS_PARAMETERS     0x05
461 #define OGF_TESTING               0x06
462 #define OGF_LE_CONTROLLER 0x08
463 #define OGF_VENDOR  0x3f
464 
465 
466 
467 
468 /**
469  * L2CAP Layer
470  */
471 
472 #define L2CAP_HEADER_SIZE 4
473 
474 // minimum signaling MTU
475 #define L2CAP_MINIMAL_MTU 48
476 #define L2CAP_DEFAULT_MTU 672
477 
478 // Minimum/default MTU
479 #define L2CAP_LE_DEFAULT_MTU  23
480 
481 // L2CAP Fixed Channel IDs
482 #define L2CAP_CID_SIGNALING                        0x0001
483 #define L2CAP_CID_CONNECTIONLESS_CHANNEL           0x0002
484 #define L2CAP_CID_ATTRIBUTE_PROTOCOL               0x0004
485 #define L2CAP_CID_SIGNALING_LE                     0x0005
486 #define L2CAP_CID_SECURITY_MANAGER_PROTOCOL        0x0006
487 #define L2CAP_CID_BR_EDR_SECURITY_MANAGER          0x0007
488 
489 // L2CAP Channels in Basic and Enhanced Retransmission Mode
490 
491 // connection response result
492 #define L2CAP_CONNECTION_RESULT_SUCCESS                         0x0000
493 #define L2CAP_CONNECTION_RESULT_PENDING                         0x0001
494 #define L2CAP_CONNECTION_RESULT_PSM_NOT_SUPPORTED               0x0002
495 #define L2CAP_CONNECTION_RESULT_SECURITY_BLOCK                  0x0003
496 #define L2CAP_CONNECTION_RESULT_NO_RESOURCES_AVAILABLE          0x0004
497 #define L2CAP_CONNECTION_RESULT_INVALID_SOURCE_CID              0x0006
498 #define L2CAP_CONNECTION_RESULT_SOURCE_CID_ALREADY_ALLOCATED    0x0007
499 
500 // L2CAP Channels in LE Credit-Based Flow-Control Mode
501 
502 // connection response result
503 #define L2CAP_CBM_CONNECTION_RESULT_SUCCESS                         0x0000
504 #define L2CAP_CBM_CONNECTION_RESULT_SPSM_NOT_SUPPORTED              0x0002
505 #define L2CAP_CBM_CONNECTION_RESULT_NO_RESOURCES_AVAILABLE          0x0004
506 #define L2CAP_CBM_CONNECTION_RESULT_INSUFFICIENT_AUTHENTICATION     0x0005
507 #define L2CAP_CBM_CONNECTION_RESULT_INSUFFICIENT_AUTHORIZATION      0x0006
508 #define L2CAP_CBM_CONNECTION_RESULT_ENCYRPTION_KEY_SIZE_TOO_SHORT   0x0007
509 #define L2CAP_CBM_CONNECTION_RESULT_INSUFFICIENT_ENCRYPTION         0x0008
510 #define L2CAP_CBM_CONNECTION_RESULT_INVALID_SOURCE_CID              0x0009
511 #define L2CAP_CBM_CONNECTION_RESULT_SOURCE_CID_ALREADY_ALLOCATED    0x000A
512 #define L2CAP_CBM_CONNECTION_RESULT_UNACCEPTABLE_PARAMETERS         0x000B
513 
514 
515 // L2CAP Channels in Enhanced Credit-Based Flow-Control Mode
516 
517 // number of CIDs in single connection+reconfiguration request/response
518 #define L2CAP_ECBM_MAX_CID_ARRAY_SIZE        5
519 
520 // connection response result
521 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_SUCCESS                                    0x0000
522 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_SPSM_NOT_SUPPORTED                 0x0002
523 #define L2CAP_ECBM_CONNECTION_RESULT_SOME_REFUSED_INSUFFICIENT_RESOURCES_AVAILABLE  0x0004
524 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INSUFFICIENT_AUTHENTICATION        0x0005
525 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INSUFFICIENT_AUTHORIZATION         0x0006
526 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_ENCYRPTION_KEY_SIZE_TOO_SHORT      0x0007
527 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INSUFFICIENT_ENCRYPTION            0x0008
528 #define L2CAP_ECBM_CONNECTION_RESULT_SOME_REFUSED_INVALID_SOURCE_CID                0x0009
529 #define L2CAP_ECBM_CONNECTION_RESULT_SOME_REFUSED_SOURCE_CID_ALREADY_ALOCATED       0x000A
530 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_UNACCEPTABLE_PARAMETERS            0x000B
531 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INVALID_PARAMETERS                 0x000C
532 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_PENDING_NO_FURTHER_INFORMATION             0x000D
533 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_PENDING_AUTHENTICATION                     0x000E
534 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_PENDING_AUTHORIZATION                      0x000F
535 
536 
537 // Result for Reconfigure Request
538 #define L2CAP_ECBM_RECONFIGURE_SUCCESS                                 0
539 #define L2CAP_ECBM_RECONFIGURE_FAILED_MTU_REDUCTION_NOT_ALLOWED        1
540 #define L2CAP_ECBM_RECONFIGURE_FAILED_MPS_REDUCTION_MULTIPLE_CHANNELS  2
541 #define L2CAP_ECBM_RECONFIGURE_FAILED_DESTINATION_CID_INVALID          3
542 #define L2CAP_ECBM_RECONFIGURE_FAILED_UNACCEPTABLE_PARAMETERS          4
543 
544 /**
545  * SDP Protocol
546  */
547 
548 // Device Vendor ID Sources
549 #define DEVICE_ID_VENDOR_ID_SOURCE_BLUETOOTH 0x0001
550 #define DEVICE_ID_VENDOR_ID_SOURCE_USB       0x0002
551 
552 // OBEX
553 #define SDP_vCard_2_1       0x01
554 #define SDP_vCard_3_0       0x02
555 #define SDP_vCal_1_0        0x03
556 #define SDP_iCal_2_0        0x04
557 #define SDP_vNote           0x05
558 #define SDP_vMessage        0x06
559 #define SDP_OBEXFileTypeAny 0xFF
560 
561 /**
562  * RFCOMM Protocol
563  */
564 
565 // Line Status
566 #define LINE_STATUS_NO_ERROR       0x00
567 #define LINE_STATUS_OVERRUN_ERROR  0x03
568 #define LINE_STATUS_PARITY_ERORR   0x05
569 #define LINE_STATUS_FRAMING_ERROR  0x09
570 
571 // Modem Status Flags
572 #define MODEM_STATUS_FC   0x02
573 #define MODEM_STATUS_RTC  0x04
574 #define MODEM_STATUS_RTR  0x08
575 #define MODEM_STATUS_IC   0x40
576 #define MODEM_STATUS_DV   0x80
577 
578 typedef enum rpn_baud {
579     RPN_BAUD_2400 = 0,
580     RPN_BAUD_4800,
581     RPN_BAUD_7200,
582     RPN_BAUD_9600,
583     RPN_BAUD_19200,
584     RPN_BAUD_38400,
585     RPN_BAUD_57600,
586     RPN_BAUD_115200,
587     RPN_BAUD_230400
588 } rpn_baud_t;
589 
590 typedef enum rpn_data_bits {
591     RPN_DATA_BITS_5 = 0,
592     RPN_DATA_BITS_6 = 0,
593     RPN_DATA_BITS_7 = 0,
594     RPN_DATA_BITS_8 = 0
595 } rpn_data_bits_t;
596 
597 typedef enum rpn_stop_bits {
598     RPN_STOP_BITS_1_0 = 0,
599     RPN_STOP_BITS_1_5
600 } rpn_stop_bits_t;
601 
602 typedef enum rpn_parity {
603     RPN_PARITY_NONE  = 0,
604     RPN_PARITY_ODD   = 1,
605     RPN_PARITY_EVEN  = 3,
606     RPN_PARITY_MARK  = 5,
607     RPN_PARITY_SPACE = 7,
608 } rpn_parity_t;
609 
610 #define RPN_FLOW_CONTROL_XONXOFF_ON_INPUT  0x01
611 #define RPN_FLOW_CONTROL_XONXOFF_ON_OUTPUT 0x02
612 #define RPN_FLOW_CONTROL_RTR_ON_INPUT      0x04
613 #define RPN_FLOW_CONTROL_RTR_ON_OUTPUT     0x08
614 #define RPN_FLOW_CONTROL_RTC_ON_INPUT      0x10
615 #define RPN_FLOW_CONTROL_RTC_ON_OUTPUT     0x20
616 
617 #define RPN_PARAM_MASK_0_BAUD             0x01
618 #define RPN_PARAM_MASK_0_DATA_BITS        0x02
619 #define RPN_PARAM_MASK_0_STOP_BITS        0x04
620 #define RPN_PARAM_MASK_0_PARITY           0x08
621 #define RPN_PARAM_MASK_0_PARITY_TYPE      0x10
622 #define RPN_PARAM_MASK_0_XON_CHAR         0x20
623 #define RPN_PARAM_MASK_0_XOFF_CHAR        0x40
624 #define RPN_PARAM_MASK_0_RESERVED         0x80
625 
626 // @note: values are identical to rpn_flow_control_t
627 #define RPN_PARAM_MASK_1_XONOFF_ON_INPUT  0x01
628 #define RPN_PARAM_MASK_1_XONOFF_ON_OUTPUT 0x02
629 #define RPN_PARAM_MASK_1_RTR_ON_INPUT     0x04
630 #define RPN_PARAM_MASK_1_RTR_ON_OUTPUT    0x08
631 #define RPN_PARAM_MASK_1_RTC_ON_INPUT     0x10
632 #define RPN_PARAM_MASK_1_RTC_ON_OUTPUT    0x20
633 #define RPN_PARAM_MASK_1_RESERVED_0       0x40
634 #define RPN_PARAM_MASK_1_RESERVED_1       0x80
635 
636 /**
637  * BNEP Protocol
638  */
639 
640 #ifndef ETHER_ADDR_LEN
641 #define ETHER_ADDR_LEN 6
642 #endif
643 
644 #ifndef ETHERTYPE_VLAN
645 #define ETHERTYPE_VLAN                                  0x8100 /* IEEE 802.1Q VLAN tag */
646 #endif
647 
648 #define BNEP_MTU_MIN                                    1691
649 
650 
651 /**
652  * PAN Profile
653  */
654 
655 typedef enum {
656     BNEP_SECURITY_NONE = 0x0000,
657     BNEP_SECURITY_SERVICE_LEVEL_ENFORCED,
658     BNEP_SECURITY_802_1X
659 } security_description_t;
660 
661 typedef enum {
662     PAN_NET_ACCESS_TYPE_PSTN = 0x0000,
663     PAN_NET_ACCESS_TYPE_ISDN,
664     PAN_NET_ACCESS_TYPE_DSL,
665     PAN_NET_ACCESS_TYPE_CABLE_MODEM,
666     PAN_NET_ACCESS_TYPE_10MB_ETHERNET,
667     PAN_NET_ACCESS_TYPE_100MB_ETHERNET,
668     PAN_NET_ACCESS_TYPE_4MB_TOKEN_RING,
669     PAN_NET_ACCESS_TYPE_16MB_TOKEN_RING,
670     PAN_NET_ACCESS_TYPE_100MB_TOKEN_RING,
671     PAN_NET_ACCESS_TYPE_FDDI,
672     PAN_NET_ACCESS_TYPE_GSM,
673     PAN_NET_ACCESS_TYPE_CDMA,
674     PAN_NET_ACCESS_TYPE_GPRS,
675     PAN_NET_ACCESS_TYPE_3G,
676     PAN_NET_ACCESS_TYPE_CELULAR,
677     PAN_NET_ACCESS_TYPE_OTHER = 0xFFFE,
678     PAN_NET_ACCESS_TYPE_NONE
679 } net_access_type_t;
680 
681 /**
682  * ATT
683  */
684 
685 // Minimum/default MTU
686 #define ATT_DEFAULT_MTU               23
687 
688 // MARK: ATT Error Codes
689 #define ATT_ERROR_SUCCESS                          0x00
690 #define ATT_ERROR_INVALID_HANDLE                   0x01
691 #define ATT_ERROR_READ_NOT_PERMITTED               0x02
692 #define ATT_ERROR_WRITE_NOT_PERMITTED              0x03
693 #define ATT_ERROR_INVALID_PDU                      0x04
694 #define ATT_ERROR_INSUFFICIENT_AUTHENTICATION      0x05
695 #define ATT_ERROR_REQUEST_NOT_SUPPORTED            0x06
696 #define ATT_ERROR_INVALID_OFFSET                   0x07
697 #define ATT_ERROR_INSUFFICIENT_AUTHORIZATION       0x08
698 #define ATT_ERROR_PREPARE_QUEUE_FULL               0x09
699 #define ATT_ERROR_ATTRIBUTE_NOT_FOUND              0x0a
700 #define ATT_ERROR_ATTRIBUTE_NOT_LONG               0x0b
701 #define ATT_ERROR_INSUFFICIENT_ENCRYPTION_KEY_SIZE 0x0c
702 #define ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH   0x0d
703 #define ATT_ERROR_UNLIKELY_ERROR                   0x0e
704 #define ATT_ERROR_INSUFFICIENT_ENCRYPTION          0x0f
705 #define ATT_ERROR_UNSUPPORTED_GROUP_TYPE           0x10
706 #define ATT_ERROR_INSUFFICIENT_RESOURCES           0x11
707 #define ATT_ERROR_VALUE_NOT_ALLOWED                0x13
708 
709 // MARK: ATT Error Codes defined by BTstack
710 #define ATT_ERROR_HCI_DISCONNECT_RECEIVED          0x1f
711 #define ATT_ERROR_BONDING_INFORMATION_MISSING      0x70
712 #define ATT_ERROR_DATA_MISMATCH                    0x7e
713 #define ATT_ERROR_TIMEOUT                          0x7F
714 #define ATT_ERROR_WRITE_RESPONSE_PENDING           0x100
715 
716 // MARK: ATT Error Codes from Bluetooth Core Specification Supplement, Version 9 or later
717 #define ATT_ERROR_WRITE_REQUEST_REJECTED                                                      0xFC
718 #define ATT_ERROR_CLIENT_CHARACTERISTIC_CONFIGURATION_DESCRIPTOR_IMPROPERLY_CONFIGURED        0xFD
719 #define ATT_ERROR_PROCEDURE_ALREADY_IN_PROGRESS                                               0xFE
720 #define ATT_ERROR_OUT_OF_RANGE                                                                0xFF
721 
722 // MARK: ATT Error Codes from Cycling Power Service spec
723 #define CYCLING_POWER_ERROR_CODE_INAPPROPRIATE_CONNECTION_PARAMETERS                          0x80
724 #define CYCLING_POWER_ERROR_CODE_PROCEDURE_ALREADY_IN_PROGRESS                                0xFE
725 #define CYCLING_POWER_ERROR_CODE_CCC_DESCRIPTOR_IMPROPERLY_CONFIGURED                         0xFD
726 
727 // MARK: ATT Error Codes from Cycling Speed and Cadence Service spec
728 #define CYCLING_SPEED_AND_CADENCE_ERROR_CODE_PROCEDURE_ALREADY_IN_PROGRESS                    0x80
729 #define CYCLING_SPEED_AND_CADENCE_ERROR_CODE_CCC_DESCRIPTOR_IMPROPERLY_CONFIGURED             0x81
730 
731 
732 // MARK: Attribute Property Flags
733 #define ATT_PROPERTY_BROADCAST           0x01
734 #define ATT_PROPERTY_READ                0x02
735 #define ATT_PROPERTY_WRITE_WITHOUT_RESPONSE 0x04
736 #define ATT_PROPERTY_WRITE               0x08
737 #define ATT_PROPERTY_NOTIFY              0x10
738 #define ATT_PROPERTY_INDICATE            0x20
739 #define ATT_PROPERTY_AUTHENTICATED_SIGNED_WRITE 0x40
740 #define ATT_PROPERTY_EXTENDED_PROPERTIES 0x80
741 
742 // MARK: Attribute Property Flag, BTstack extension
743 // value is asked from client
744 #define ATT_PROPERTY_DYNAMIC             0x100
745 
746 // Security levels
747 #define ATT_SECURITY_NONE 0
748 #define ATT_SECURITY_ENCRYPTED 1
749 #define ATT_SECURITY_AUTHENTICATED 2
750 #define ATT_SECURITY_AUTHORIZED 3
751 #define ATT_SECURITY_AUTHENTICATED_SC 4
752 
753 // ATT Transaction Timeout of 30 seconds for Command/Response or Indication/Confirmation
754 #define ATT_TRANSACTION_TIMEOUT_MS     30000
755 
756 #define ATT_TRANSACTION_MODE_NONE      0x0
757 #define ATT_TRANSACTION_MODE_ACTIVE    0x1
758 #define ATT_TRANSACTION_MODE_EXECUTE   0x2
759 #define ATT_TRANSACTION_MODE_CANCEL    0x3
760 #define ATT_TRANSACTION_MODE_VALIDATE  0x4
761 
762 // MARK: GATT UUIDs
763 #define GATT_PRIMARY_SERVICE_UUID                   0x2800
764 #define GATT_SECONDARY_SERVICE_UUID                 0x2801
765 #define GATT_INCLUDE_SERVICE_UUID                   0x2802
766 #define GATT_CHARACTERISTICS_UUID                   0x2803
767 #define GATT_CHARACTERISTIC_EXTENDED_PROPERTIES     0x2900
768 #define GATT_CHARACTERISTIC_USER_DESCRIPTION        0x2901
769 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION   0x2902
770 #define GATT_SERVER_CHARACTERISTICS_CONFIGURATION   0x2903
771 #define GATT_CHARACTERISTIC_PRESENTATION_FORMAT     0x2904
772 #define GATT_CHARACTERISTIC_AGGREGATE_FORMAT        0x2905
773 
774 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NONE          0
775 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION  1
776 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_INDICATION    2
777 
778 #define GATT_CLIENT_ANY_CONNECTION      0xffff
779 #define GATT_CLIENT_ANY_VALUE_HANDLE    0x0000
780 
781 // GAP Service and Characteristics
782 #define GAP_SERVICE_UUID               0x1800
783 #define GAP_DEVICE_NAME_UUID           0x2a00
784 #define GAP_APPEARANCE_UUID            0x2a01
785 #define GAP_PERIPHERAL_PRIVACY_FLAG    0x2a02
786 #define GAP_RECONNECTION_ADDRESS_UUID  0x2a03
787 #define GAP_PERIPHERAL_PREFERRED_CONNECTION_PARAMETERS_UUID 0x2a04
788 #define GAP_SERVICE_CHANGED            0x2a05
789 
790 // Bluetooth GATT types
791 
792 typedef struct {
793     uint16_t year;      // 0 - year  is not known; or [1582,9999]
794     uint8_t  month;     // 0 - month is not known; or [1,12]
795     uint8_t  day;       // 0 - day   is not known; or [1,31]
796     uint8_t  hours;     // [0,23]
797     uint8_t  minutes;   // [0,59]
798     uint8_t  seconds;   // [0,59]
799 } gatt_date_time_t;
800 
801 typedef enum {
802     GATT_MICROPHONE_CONTROL_MUTE_OFF = 0x00,
803     GATT_MICROPHONE_CONTROL_MUTE_ON,
804     GATT_MICROPHONE_CONTROL_MUTE_DISABLED
805 } gatt_microphone_control_mute_t;
806 
807 /**
808  * SM - LE Security Manager
809  */
810 // Bluetooth Spec definitions
811 typedef enum {
812     SM_CODE_PAIRING_REQUEST = 0X01,
813     SM_CODE_PAIRING_RESPONSE,
814     SM_CODE_PAIRING_CONFIRM,
815     SM_CODE_PAIRING_RANDOM,
816     SM_CODE_PAIRING_FAILED,
817     SM_CODE_ENCRYPTION_INFORMATION,
818     SM_CODE_MASTER_IDENTIFICATION,
819     SM_CODE_IDENTITY_INFORMATION,
820     SM_CODE_IDENTITY_ADDRESS_INFORMATION,
821     SM_CODE_SIGNING_INFORMATION,
822     SM_CODE_SECURITY_REQUEST,
823     SM_CODE_PAIRING_PUBLIC_KEY,
824     SM_CODE_PAIRING_DHKEY_CHECK,
825     SM_CODE_KEYPRESS_NOTIFICATION,
826 } SECURITY_MANAGER_COMMANDS;
827 
828 // IO Capability Values
829 typedef enum {
830     IO_CAPABILITY_DISPLAY_ONLY = 0,
831     IO_CAPABILITY_DISPLAY_YES_NO,
832     IO_CAPABILITY_KEYBOARD_ONLY,
833     IO_CAPABILITY_NO_INPUT_NO_OUTPUT,
834     IO_CAPABILITY_KEYBOARD_DISPLAY, // not used by secure simple pairing
835 } io_capability_t;
836 
837 // Authentication requirement flags
838 #define SM_AUTHREQ_NO_BONDING        0x00
839 #define SM_AUTHREQ_BONDING           0x01
840 #define SM_AUTHREQ_MITM_PROTECTION   0x04
841 #define SM_AUTHREQ_SECURE_CONNECTION 0x08
842 #define SM_AUTHREQ_KEYPRESS          0x10
843 #define SM_AUTHREQ_CT2               0x20
844 
845 // Key distribution flags used by spec
846 #define SM_KEYDIST_ENC_KEY  0x01
847 #define SM_KEYDIST_ID_KEY   0x02
848 #define SM_KEYDIST_SIGN     0x04
849 #define SM_KEYDIST_LINK_KEY 0x08
850 
851 // Key distribution flags used internally
852 #define SM_KEYDIST_FLAG_ENCRYPTION_INFORMATION       0x01
853 #define SM_KEYDIST_FLAG_MASTER_IDENTIFICATION        0x02
854 #define SM_KEYDIST_FLAG_IDENTITY_INFORMATION         0x04
855 #define SM_KEYDIST_FLAG_IDENTITY_ADDRESS_INFORMATION 0x08
856 #define SM_KEYDIST_FLAG_SIGNING_IDENTIFICATION       0x10
857 
858 // STK Generation Methods
859 #define SM_STK_GENERATION_METHOD_JUST_WORKS          0x01
860 #define SM_STK_GENERATION_METHOD_OOB                 0x02
861 #define SM_STK_GENERATION_METHOD_PASSKEY             0x04
862 #define SM_STK_GENERATION_METHOD_NUMERIC_COMPARISON  0x08
863 
864 // Pairing Failed Reasons
865 #define SM_REASON_RESERVED                     0x00
866 #define SM_REASON_PASSKEY_ENTRY_FAILED         0x01
867 #define SM_REASON_OOB_NOT_AVAILABLE            0x02
868 #define SM_REASON_AUTHENTHICATION_REQUIREMENTS 0x03
869 #define SM_REASON_CONFIRM_VALUE_FAILED         0x04
870 #define SM_REASON_PAIRING_NOT_SUPPORTED        0x05
871 #define SM_REASON_ENCRYPTION_KEY_SIZE          0x06
872 #define SM_REASON_COMMAND_NOT_SUPPORTED        0x07
873 #define SM_REASON_UNSPECIFIED_REASON           0x08
874 #define SM_REASON_REPEATED_ATTEMPTS            0x09
875 #define SM_REASON_INVALID_PARAMETERS           0x0a
876 #define SM_REASON_DHKEY_CHECK_FAILED           0x0b
877 #define SM_REASON_NUMERIC_COMPARISON_FAILED    0x0c
878 #define SM_REASON_BR_EDR_PAIRING_IN_PROGRESS   0x0d
879 #define SM_REASON_CROSS_TRANSPORT_KEY_DERIVATION_NOT_ALLOWED 0x0e
880 #define SM_REASON_KEY_REJECTED                 0x0f
881 
882 // also, invalid parameters
883 // and reserved
884 
885 // Keypress Notifications
886 #define SM_KEYPRESS_PASSKEY_ENTRY_STARTED      0x00
887 #define SM_KEYPRESS_PASSKEY_DIGIT_ENTERED      0x01
888 #define SM_KEYPRESS_PASSKEY_DIGIT_ERASED       0x02
889 #define SM_KEYPRESS_PASSKEY_CLEARED            0x03
890 #define SM_KEYPRESS_PASSKEY_ENTRY_COMPLETED    0x04
891 
892 
893 #endif
894