xref: /btstack/src/bluetooth.h (revision fe7c84261fc7d572c66d062b7f527be1c48ff5d3)
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 
168 /**
169  * HCI Layer
170  */
171 
172 //
173 // Error Codes rfom Bluetooth Core Specification
174 //
175 
176 /* ENUM_START: BLUETOOTH_ERROR_CODE */
177 #define ERROR_CODE_SUCCESS                                 0x00
178 #define ERROR_CODE_UNKNOWN_HCI_COMMAND                     0x01
179 #define ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER           0x02
180 #define ERROR_CODE_HARDWARE_FAILURE                        0x03
181 #define ERROR_CODE_PAGE_TIMEOUT                            0x04
182 #define ERROR_CODE_AUTHENTICATION_FAILURE                  0x05
183 #define ERROR_CODE_PIN_OR_KEY_MISSING                      0x06
184 #define ERROR_CODE_MEMORY_CAPACITY_EXCEEDED                0x07
185 #define ERROR_CODE_CONNECTION_TIMEOUT                      0x08
186 #define ERROR_CODE_CONNECTION_LIMIT_EXCEEDED               0x09
187 #define ERROR_CODE_SYNCHRONOUS_CONNECTION_LIMIT_TO_A_DEVICE_EXCEEDED  0x0A
188 #define ERROR_CODE_ACL_CONNECTION_ALREADY_EXISTS           0x0B
189 #define ERROR_CODE_COMMAND_DISALLOWED                      0x0C
190 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_LIMITED_RESOURCES 0x0D
191 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_SECURITY_REASONS  0x0E
192 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_UNACCEPTABLE_BD_ADDR 0x0F
193 #define ERROR_CODE_CONNECTION_ACCEPT_TIMEOUT_EXCEEDED      0x10
194 #define ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE  0x11
195 #define ERROR_CODE_INVALID_HCI_COMMAND_PARAMETERS          0x12
196 #define ERROR_CODE_REMOTE_USER_TERMINATED_CONNECTION       0x13
197 #define ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_LOW_RESOURCES 0x14
198 #define ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_POWER_OFF     0x15
199 #define ERROR_CODE_CONNECTION_TERMINATED_BY_LOCAL_HOST     0x16
200 #define ERROR_CODE_REPEATED_ATTEMPTS                       0x17
201 #define ERROR_CODE_PAIRING_NOT_ALLOWED                     0x18
202 #define ERROR_CODE_UNKNOWN_LMP_PDU                         0x19
203 #define ERROR_CODE_UNSUPPORTED_REMOTE_FEATURE_UNSUPPORTED_LMP_FEATURE 0x1A
204 #define ERROR_CODE_SCO_OFFSET_REJECTED                     0x1B
205 #define ERROR_CODE_SCO_INTERVAL_REJECTED                   0x1C
206 #define ERROR_CODE_SCO_AIR_MODE_REJECTED                   0x1D
207 #define ERROR_CODE_INVALID_LMP_PARAMETERS_INVALID_LL_PARAMETERS 0x1E
208 #define ERROR_CODE_UNSPECIFIED_ERROR                       0x1F
209 #define ERROR_CODE_UNSUPPORTED_LMP_PARAMETER_VALUE_UNSUPPORTED_LL_PARAMETER_VALUE 0x20
210 #define ERROR_CODE_ROLE_CHANGE_NOT_ALLOWED                 0x21
211 #define ERROR_CODE_LMP_RESPONSE_TIMEOUT_LL_RESPONSE_TIMEOUT 0x22
212 #define ERROR_CODE_LMP_ERROR_TRANSACTION_COLLISION         0x23
213 #define ERROR_CODE_LMP_PDU_NOT_ALLOWED                     0x24
214 #define ERROR_CODE_ENCRYPTION_MODE_NOT_ACCEPTABLE          0x25
215 #define ERROR_CODE_LINK_KEY_CANNOT_BE_CHANGED              0x26
216 #define ERROR_CODE_REQUESTED_QOS_NOT_SUPPORTED             0x27
217 #define ERROR_CODE_INSTANT_PASSED                          0x28
218 #define ERROR_CODE_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED     0x29
219 #define ERROR_CODE_DIFFERENT_TRANSACTION_COLLISION         0x2A
220 #define ERROR_CODE_RESERVED                                0x2B
221 #define ERROR_CODE_QOS_UNACCEPTABLE_PARAMETER              0x2C
222 #define ERROR_CODE_QOS_REJECTED                            0x2D
223 #define ERROR_CODE_CHANNEL_CLASSIFICATION_NOT_SUPPORTED    0x2E
224 #define ERROR_CODE_INSUFFICIENT_SECURITY                   0x2F
225 #define ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE        0x30
226 // #define ERROR_CODE_RESERVED
227 #define ERROR_CODE_ROLE_SWITCH_PENDING                     0x32
228 // #define ERROR_CODE_RESERVED
229 #define ERROR_CODE_RESERVED_SLOT_VIOLATION                 0x34
230 #define ERROR_CODE_ROLE_SWITCH_FAILED                      0x35
231 #define ERROR_CODE_EXTENDED_INQUIRY_RESPONSE_TOO_LARGE     0x36
232 #define ERROR_CODE_SECURE_SIMPLE_PAIRING_NOT_SUPPORTED_BY_HOST 0x37
233 #define ERROR_CODE_HOST_BUSY_PAIRING                       0x38
234 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_NO_SUITABLE_CHANNEL_FOUND 0x39
235 #define ERROR_CODE_CONTROLLER_BUSY                         0x3A
236 #define ERROR_CODE_UNACCEPTABLE_CONNECTION_PARAMETERS      0x3B
237 #define ERROR_CODE_DIRECTED_ADVERTISING_TIMEOUT            0x3C
238 #define ERROR_CODE_CONNECTION_TERMINATED_DUE_TO_MIC_FAILURE 0x3D
239 #define ERROR_CODE_CONNECTION_FAILED_TO_BE_ESTABLISHED     0x3E
240 #define ERROR_CODE_MAC_CONNECTION_FAILED                   0x3F
241 #define ERROR_CODE_COARSE_CLOCK_ADJUSTMENT_REJECTED_BUT_WILL_TRY_TO_ADJUST_USING_CLOCK_DRAGGING 0x40
242 
243 // BTstack defined ERRORS, mapped into BLuetooth status code range
244 
245 #define BTSTACK_CONNECTION_TO_BTDAEMON_FAILED              0x50
246 #define BTSTACK_ACTIVATION_FAILED_SYSTEM_BLUETOOTH         0x51
247 #define BTSTACK_ACTIVATION_POWERON_FAILED                  0x52
248 #define BTSTACK_ACTIVATION_FAILED_UNKNOWN                  0x53
249 #define BTSTACK_NOT_ACTIVATED                              0x54
250 #define BTSTACK_BUSY                                       0x55
251 #define BTSTACK_MEMORY_ALLOC_FAILED                        0x56
252 #define BTSTACK_ACL_BUFFERS_FULL                           0x57
253 
254 // l2cap errors - enumeration by the command that created them
255 #define L2CAP_COMMAND_REJECT_REASON_COMMAND_NOT_UNDERSTOOD 0x60
256 #define L2CAP_COMMAND_REJECT_REASON_SIGNALING_MTU_EXCEEDED 0x61
257 #define L2CAP_COMMAND_REJECT_REASON_INVALID_CID_IN_REQUEST 0x62
258 
259 #define L2CAP_CONNECTION_RESPONSE_RESULT_SUCCESSFUL        0x63
260 #define L2CAP_CONNECTION_RESPONSE_RESULT_PENDING           0x64
261 #define L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_PSM       0x65
262 #define L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_SECURITY  0x66
263 #define L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_RESOURCES 0x67
264 #define L2CAP_CONNECTION_RESPONSE_RESULT_ERTM_NOT_SUPPORTED 0x68
265 
266 // should be L2CAP_CONNECTION_RTX_TIMEOUT
267 #define L2CAP_CONNECTION_RESPONSE_RESULT_RTX_TIMEOUT       0x69
268 #define L2CAP_CONNECTION_BASEBAND_DISCONNECT               0x6A
269 #define L2CAP_SERVICE_ALREADY_REGISTERED                   0x6B
270 #define L2CAP_DATA_LEN_EXCEEDS_REMOTE_MTU                  0x6C
271 #define L2CAP_SERVICE_DOES_NOT_EXIST                       0x6D
272 #define L2CAP_LOCAL_CID_DOES_NOT_EXIST                     0x6E
273 #define L2CAP_CONNECTION_RESPONSE_UNKNOWN_ERROR            0x6F
274 
275 #define RFCOMM_MULTIPLEXER_STOPPED                         0x70
276 #define RFCOMM_CHANNEL_ALREADY_REGISTERED                  0x71
277 #define RFCOMM_NO_OUTGOING_CREDITS                         0x72
278 #define RFCOMM_AGGREGATE_FLOW_OFF                          0x73
279 #define RFCOMM_DATA_LEN_EXCEEDS_MTU                        0x74
280 
281 #define HFP_REMOTE_REJECTS_AUDIO_CONNECTION                0x7F
282 
283 #define SDP_HANDLE_ALREADY_REGISTERED                      0x80
284 #define SDP_QUERY_INCOMPLETE                               0x81
285 #define SDP_SERVICE_NOT_FOUND                              0x82
286 #define SDP_HANDLE_INVALID                                 0x83
287 #define SDP_QUERY_BUSY                                     0x84
288 
289 #define ATT_HANDLE_VALUE_INDICATION_IN_PROGRESS            0x90
290 #define ATT_HANDLE_VALUE_INDICATION_TIMEOUT                0x91
291 #define ATT_HANDLE_VALUE_INDICATION_DISCONNECT             0x92
292 
293 #define GATT_CLIENT_NOT_CONNECTED                          0x93
294 #define GATT_CLIENT_BUSY                                   0x94
295 #define GATT_CLIENT_IN_WRONG_STATE                         0x95
296 #define GATT_CLIENT_DIFFERENT_CONTEXT_FOR_ADDRESS_ALREADY_EXISTS 0x96
297 #define GATT_CLIENT_VALUE_TOO_LONG                         0x97
298 #define GATT_CLIENT_CHARACTERISTIC_NOTIFICATION_NOT_SUPPORTED 0x98
299 #define GATT_CLIENT_CHARACTERISTIC_INDICATION_NOT_SUPPORTED   0x99
300 
301 #define BNEP_SERVICE_ALREADY_REGISTERED                    0xA0
302 #define BNEP_CHANNEL_NOT_CONNECTED                         0xA1
303 #define BNEP_DATA_LEN_EXCEEDS_MTU                          0xA2
304 
305 // OBEX ERRORS
306 #define OBEX_UNKNOWN_ERROR                                 0xB0
307 #define OBEX_CONNECT_FAILED                                0xB1
308 #define OBEX_DISCONNECTED                                  0xB2
309 #define OBEX_NOT_FOUND                                     0xB3
310 #define OBEX_NOT_ACCEPTABLE                                0xB4
311 #define OBEX_ABORTED                                       0xB5
312 
313 #define MESH_ERROR_APPKEY_INDEX_INVALID                    0xD0
314 /* ENUM_END */
315 
316 
317 /* ENUM_START: AVRCP_BROWSING_ERROR_CODE */
318 #define AVRCP_BROWSING_ERROR_CODE_INVALID_COMMAND                     0x00  // Sent if TG received a PDU that it did not understand. Valid for All.
319 #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.
320 #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.
321 #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.
322 #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.
323 #define AVRCP_BROWSING_ERROR_CODE_UID_CHANGED                         0x05  // The UIDs on the device have changed. Valid for All.
324 #define AVRCP_BROWSING_ERROR_CODE_RESERVED_06                         0x06  // Valid for All.
325 #define AVRCP_BROWSING_ERROR_CODE_INVALID_DIRECTION                   0x07  // The Direction parameter is invalid. Valid for Change Path.
326 #define AVRCP_BROWSING_ERROR_CODE_NOT_A_DIRECTORY                     0x08  // The UID provided does not refer to a folder item. Valid for Change Path.
327 #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.
328 #define AVRCP_BROWSING_ERROR_CODE_INVALID_SCOPE                       0x0a  // The scope parameter is invalid. Valid for GetFolderItems, PlayItem, AddToNowPlayer, GetItemAttributes,.
329 #define AVRCP_BROWSING_ERROR_CODE_RANGE_OUT_OF_BOUNDS                 0x0b  // The start of range provided is not valid. Valid for GetFolderItems.
330 #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.
331 #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.
332 #define AVRCP_BROWSING_ERROR_CODE_NOW_PLAYING_LIST_FULL               0x0e  // No more items can be added to the Now Playing List. Valid for AddToNowPlaying.
333 #define AVRCP_BROWSING_ERROR_CODE_SEARCH_NOT_SUPPORTED                0x0f  // The Browsed Media Player does not support search. Valid for Search.
334 #define AVRCP_BROWSING_ERROR_CODE_SEARCH_IN_PROGRESS                  0x10  // A search operation is already in progress. Valid for Search.
335 #define AVRCP_BROWSING_ERROR_CODE_INVALID_PLAYER_ID                   0x11  // The specified Player Id does not refer to a valid player. Valid for SetAddressedPlayer, SetBrowsedPlayer.
336 #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.
337 #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.
338 #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.
339 #define AVRCP_BROWSING_ERROR_CODE_NO_AVAILABLE_PLAYERS                0x15  // Valid for All.
340 #define AVRCP_BROWSING_ERROR_CODE_ADDRESSED_PLAYER_CHANGED            0x16  // Valid for Register Notification.
341 // 0x17-0xff Reserved
342 /* ENUM_END */
343 
344 // HCI roles
345 typedef enum {
346     HCI_ROLE_MASTER = 0,
347     HCI_ROLE_SLAVE  = 1,
348     HCI_ROLE_INVALID = 0xff,
349 } hci_role_t;
350 
351 // packet sizes (max payload)
352 #define HCI_ACL_DM1_SIZE            17
353 #define HCI_ACL_DH1_SIZE            27
354 #define HCI_ACL_2DH1_SIZE           54
355 #define HCI_ACL_3DH1_SIZE           83
356 #define HCI_ACL_DM3_SIZE           121
357 #define HCI_ACL_DH3_SIZE           183
358 #define HCI_ACL_DM5_SIZE           224
359 #define HCI_ACL_DH5_SIZE           339
360 #define HCI_ACL_2DH3_SIZE          367
361 #define HCI_ACL_3DH3_SIZE          552
362 #define HCI_ACL_2DH5_SIZE          679
363 #define HCI_ACL_3DH5_SIZE         1021
364 
365 #define LE_ADVERTISING_DATA_SIZE    31
366 #define LE_EXTENDED_ADVERTISING_MAX_HANDLE 0xEFu
367 #define LE_EXTENDED_ADVERTISING_MAX_CHUNK_LEN 251
368 
369 // advertising event properties for extended advertising
370 #define LE_ADVERTISING_PROPERTIES_CONNECTABLE      (1u<<0)
371 #define LE_ADVERTISING_PROPERTIES_SCANNABLE        (1u<<1)
372 #define LE_ADVERTISING_PROPERTIES_DIRECTED         (1u<<2)
373 #define LE_ADVERTISING_PROPERTIES_HIGH_DUTY_CYCLE  (1u<<3)
374 #define LE_ADVERTISING_PROPERTIES_LEGACY           (1u<<4)
375 #define LE_ADVERTISING_PROPERTIES_ANONYMOUS        (1u<<5)
376 #define LE_ADVERTISING_PROPERTIES_INCLUDE_TX_POWER (1u<<6)
377 
378 
379 // SCO Packet Types
380 #define SCO_PACKET_TYPES_NONE  0x0000
381 #define SCO_PACKET_TYPES_HV1   0x0001
382 #define SCO_PACKET_TYPES_HV3   0x0004
383 #define SCO_PACKET_TYPES_EV3   0x0008
384 #define SCO_PACKET_TYPES_2EV3  0x0040
385 #define SCO_PACKET_TYPES_ALL   0x03FF
386 
387 // Link Policy Settings
388 #define LM_LINK_POLICY_DISABLE_ALL_LM_MODES  0
389 #define LM_LINK_POLICY_ENABLE_ROLE_SWITCH    1
390 #define LM_LINK_POLICY_ENABLE_HOLD_MODE      2
391 #define LM_LINK_POLICY_ENABLE_SNIFF_MODE     4
392 
393 // ACL Connection Modes
394 #define ACL_CONNECTION_MODE_ACTIVE 0
395 #define ACL_CONNECTION_MODE_HOLD   1
396 #define ACL_CONNECTION_MODE_SNIFF  2
397 
398 /**
399  * Default INQ Mode
400  */
401 #define GAP_IAC_GENERAL_INQUIRY 0x9E8B33L // General/Unlimited Inquiry Access Code (GIAC)
402 #define GAP_IAC_LIMITED_INQUIRY 0x9E8B00L // Limited Dedicated Inquiry Access Code (LIAC)
403 
404 /**
405  * SSP IO Capabilities
406  */
407 #define SSP_IO_CAPABILITY_DISPLAY_ONLY   0
408 #define SSP_IO_CAPABILITY_DISPLAY_YES_NO 1
409 #define SSP_IO_CAPABILITY_KEYBOARD_ONLY  2
410 #define SSP_IO_CAPABILITY_NO_INPUT_NO_OUTPUT 3
411 #define SSP_IO_CAPABILITY_UNKNOWN 0xff
412 
413 
414 /**
415  * SSP Authentication Requirements, see IO Capability Request Reply Commmand
416  */
417 
418 // Numeric comparison with automatic accept allowed.
419 #define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_NO_BONDING 0x00
420 
421 // Use IO Capabilities to deter- mine authentication procedure
422 #define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_NO_BONDING 0x01
423 
424 // Numeric compar- ison with automatic accept allowed.
425 #define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_DEDICATED_BONDING 0x02
426 
427 // Use IO Capabilities to determine authentication procedure
428 #define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_DEDICATED_BONDING 0x03
429 
430 // Numeric Compari- son with automatic accept allowed.
431 #define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_GENERAL_BONDING 0x04
432 
433 // Use IO capabilities to determine authentication procedure.
434 #define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_GENERAL_BONDING 0x05
435 
436 
437 // OGFs
438 #define OGF_LINK_CONTROL          0x01
439 #define OGF_LINK_POLICY           0x02
440 #define OGF_CONTROLLER_BASEBAND   0x03
441 #define OGF_INFORMATIONAL_PARAMETERS 0x04
442 #define OGF_STATUS_PARAMETERS     0x05
443 #define OGF_TESTING               0x06
444 #define OGF_LE_CONTROLLER 0x08
445 #define OGF_VENDOR  0x3f
446 
447 
448 
449 
450 /**
451  * L2CAP Layer
452  */
453 
454 #define L2CAP_HEADER_SIZE 4
455 
456 // minimum signaling MTU
457 #define L2CAP_MINIMAL_MTU 48
458 #define L2CAP_DEFAULT_MTU 672
459 
460 // Minimum/default MTU
461 #define L2CAP_LE_DEFAULT_MTU  23
462 
463 // L2CAP Fixed Channel IDs
464 #define L2CAP_CID_SIGNALING                        0x0001
465 #define L2CAP_CID_CONNECTIONLESS_CHANNEL           0x0002
466 #define L2CAP_CID_ATTRIBUTE_PROTOCOL               0x0004
467 #define L2CAP_CID_SIGNALING_LE                     0x0005
468 #define L2CAP_CID_SECURITY_MANAGER_PROTOCOL        0x0006
469 #define L2CAP_CID_BR_EDR_SECURITY_MANAGER          0x0007
470 
471 // L2CAP Channels in Basic and Enhanced Retransmission Mode
472 
473 // connection response result
474 #define L2CAP_CONNECTION_RESULT_SUCCESS                         0x0000
475 #define L2CAP_CONNECTION_RESULT_PENDING                         0x0001
476 #define L2CAP_CONNECTION_RESULT_PSM_NOT_SUPPORTED               0x0002
477 #define L2CAP_CONNECTION_RESULT_SECURITY_BLOCK                  0x0003
478 #define L2CAP_CONNECTION_RESULT_NO_RESOURCES_AVAILABLE          0x0004
479 #define L2CAP_CONNECTION_RESULT_INVALID_SOURCE_CID              0x0006
480 #define L2CAP_CONNECTION_RESULT_SOURCE_CID_ALREADY_ALLOCATED    0x0007
481 
482 // L2CAP Channels in LE Credit-Based Flow-Control Mode
483 
484 // connection response result
485 #define L2CAP_CBM_CONNECTION_RESULT_SUCCESS                         0x0000
486 #define L2CAP_CBM_CONNECTION_RESULT_SPSM_NOT_SUPPORTED              0x0002
487 #define L2CAP_CBM_CONNECTION_RESULT_NO_RESOURCES_AVAILABLE          0x0004
488 #define L2CAP_CBM_CONNECTION_RESULT_INSUFFICIENT_AUTHENTICATION     0x0005
489 #define L2CAP_CBM_CONNECTION_RESULT_INSUFFICIENT_AUTHORIZATION      0x0006
490 #define L2CAP_CBM_CONNECTION_RESULT_ENCYRPTION_KEY_SIZE_TOO_SHORT   0x0007
491 #define L2CAP_CBM_CONNECTION_RESULT_INSUFFICIENT_ENCRYPTION         0x0008
492 #define L2CAP_CBM_CONNECTION_RESULT_INVALID_SOURCE_CID              0x0009
493 #define L2CAP_CBM_CONNECTION_RESULT_SOURCE_CID_ALREADY_ALLOCATED    0x000A
494 #define L2CAP_CBM_CONNECTION_RESULT_UNACCEPTABLE_PARAMETERS         0x000B
495 
496 
497 // L2CAP Channels in Enhanced Credit-Based Flow-Control Mode
498 
499 // number of CIDs in single connection+reconfiguration request/response
500 #define L2CAP_ECBM_MAX_CID_ARRAY_SIZE        5
501 
502 // connection response result
503 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_SUCCESS                                    0x0000
504 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_SPSM_NOT_SUPPORTED                 0x0002
505 #define L2CAP_ECBM_CONNECTION_RESULT_SOME_REFUSED_INSUFFICIENT_RESOURCES_AVAILABLE  0x0004
506 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INSUFFICIENT_AUTHENTICATION        0x0005
507 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INSUFFICIENT_AUTHORIZATION         0x0006
508 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_ENCYRPTION_KEY_SIZE_TOO_SHORT      0x0007
509 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INSUFFICIENT_ENCRYPTION            0x0008
510 #define L2CAP_ECBM_CONNECTION_RESULT_SOME_REFUSED_INVALID_SOURCE_CID                0x0009
511 #define L2CAP_ECBM_CONNECTION_RESULT_SOME_REFUSED_SOURCE_CID_ALREADY_ALOCATED       0x000A
512 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_UNACCEPTABLE_PARAMETERS            0x000B
513 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INVALID_PARAMETERS                 0x000C
514 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_PENDING_NO_FURTHER_INFORMATION             0x000D
515 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_PENDING_AUTHENTICATION                     0x000E
516 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_PENDING_AUTHORIZATION                      0x000F
517 
518 
519 // Result for Reconfigure Request
520 #define L2CAP_ECBM_RECONFIGURE_SUCCESS                                 0
521 #define L2CAP_ECBM_RECONFIGURE_FAILED_MTU_REDUCTION_NOT_ALLOWED        1
522 #define L2CAP_ECBM_RECONFIGURE_FAILED_MPS_REDUCTION_MULTIPLE_CHANNELS  2
523 #define L2CAP_ECBM_RECONFIGURE_FAILED_DESTINATION_CID_INVALID          3
524 #define L2CAP_ECBM_RECONFIGURE_FAILED_UNACCEPTABLE_PARAMETERS          4
525 
526 /**
527  * SDP Protocol
528  */
529 
530 // Device Vendor ID Sources
531 #define DEVICE_ID_VENDOR_ID_SOURCE_BLUETOOTH 0x0001
532 #define DEVICE_ID_VENDOR_ID_SOURCE_USB       0x0002
533 
534 // OBEX
535 #define SDP_vCard_2_1       0x01
536 #define SDP_vCard_3_0       0x02
537 #define SDP_vCal_1_0        0x03
538 #define SDP_iCal_2_0        0x04
539 #define SDP_vNote           0x05
540 #define SDP_vMessage        0x06
541 #define SDP_OBEXFileTypeAny 0xFF
542 
543 /**
544  * RFCOMM Protocol
545  */
546 
547 // Line Status
548 #define LINE_STATUS_NO_ERROR       0x00
549 #define LINE_STATUS_OVERRUN_ERROR  0x03
550 #define LINE_STATUS_PARITY_ERORR   0x05
551 #define LINE_STATUS_FRAMING_ERROR  0x09
552 
553 // Modem Status Flags
554 #define MODEM_STATUS_FC   0x02
555 #define MODEM_STATUS_RTC  0x04
556 #define MODEM_STATUS_RTR  0x08
557 #define MODEM_STATUS_IC   0x40
558 #define MODEM_STATUS_DV   0x80
559 
560 typedef enum rpn_baud {
561     RPN_BAUD_2400 = 0,
562     RPN_BAUD_4800,
563     RPN_BAUD_7200,
564     RPN_BAUD_9600,
565     RPN_BAUD_19200,
566     RPN_BAUD_38400,
567     RPN_BAUD_57600,
568     RPN_BAUD_115200,
569     RPN_BAUD_230400
570 } rpn_baud_t;
571 
572 typedef enum rpn_data_bits {
573     RPN_DATA_BITS_5 = 0,
574     RPN_DATA_BITS_6 = 0,
575     RPN_DATA_BITS_7 = 0,
576     RPN_DATA_BITS_8 = 0
577 } rpn_data_bits_t;
578 
579 typedef enum rpn_stop_bits {
580     RPN_STOP_BITS_1_0 = 0,
581     RPN_STOP_BITS_1_5
582 } rpn_stop_bits_t;
583 
584 typedef enum rpn_parity {
585     RPN_PARITY_NONE  = 0,
586     RPN_PARITY_ODD   = 1,
587     RPN_PARITY_EVEN  = 3,
588     RPN_PARITY_MARK  = 5,
589     RPN_PARITY_SPACE = 7,
590 } rpn_parity_t;
591 
592 #define RPN_FLOW_CONTROL_XONXOFF_ON_INPUT  0x01
593 #define RPN_FLOW_CONTROL_XONXOFF_ON_OUTPUT 0x02
594 #define RPN_FLOW_CONTROL_RTR_ON_INPUT      0x04
595 #define RPN_FLOW_CONTROL_RTR_ON_OUTPUT     0x08
596 #define RPN_FLOW_CONTROL_RTC_ON_INPUT      0x10
597 #define RPN_FLOW_CONTROL_RTC_ON_OUTPUT     0x20
598 
599 #define RPN_PARAM_MASK_0_BAUD             0x01
600 #define RPN_PARAM_MASK_0_DATA_BITS        0x02
601 #define RPN_PARAM_MASK_0_STOP_BITS        0x04
602 #define RPN_PARAM_MASK_0_PARITY           0x08
603 #define RPN_PARAM_MASK_0_PARITY_TYPE      0x10
604 #define RPN_PARAM_MASK_0_XON_CHAR         0x20
605 #define RPN_PARAM_MASK_0_XOFF_CHAR        0x40
606 #define RPN_PARAM_MASK_0_RESERVED         0x80
607 
608 // @note: values are identical to rpn_flow_control_t
609 #define RPN_PARAM_MASK_1_XONOFF_ON_INPUT  0x01
610 #define RPN_PARAM_MASK_1_XONOFF_ON_OUTPUT 0x02
611 #define RPN_PARAM_MASK_1_RTR_ON_INPUT     0x04
612 #define RPN_PARAM_MASK_1_RTR_ON_OUTPUT    0x08
613 #define RPN_PARAM_MASK_1_RTC_ON_INPUT     0x10
614 #define RPN_PARAM_MASK_1_RTC_ON_OUTPUT    0x20
615 #define RPN_PARAM_MASK_1_RESERVED_0       0x40
616 #define RPN_PARAM_MASK_1_RESERVED_1       0x80
617 
618 /**
619  * BNEP Protocol
620  */
621 
622 #ifndef ETHER_ADDR_LEN
623 #define ETHER_ADDR_LEN 6
624 #endif
625 
626 #ifndef ETHERTYPE_VLAN
627 #define ETHERTYPE_VLAN                                  0x8100 /* IEEE 802.1Q VLAN tag */
628 #endif
629 
630 #define BNEP_MTU_MIN                                    1691
631 
632 
633 /**
634  * PAN Profile
635  */
636 
637 typedef enum {
638     BNEP_SECURITY_NONE = 0x0000,
639     BNEP_SECURITY_SERVICE_LEVEL_ENFORCED,
640     BNEP_SECURITY_802_1X
641 } security_description_t;
642 
643 typedef enum {
644     PAN_NET_ACCESS_TYPE_PSTN = 0x0000,
645     PAN_NET_ACCESS_TYPE_ISDN,
646     PAN_NET_ACCESS_TYPE_DSL,
647     PAN_NET_ACCESS_TYPE_CABLE_MODEM,
648     PAN_NET_ACCESS_TYPE_10MB_ETHERNET,
649     PAN_NET_ACCESS_TYPE_100MB_ETHERNET,
650     PAN_NET_ACCESS_TYPE_4MB_TOKEN_RING,
651     PAN_NET_ACCESS_TYPE_16MB_TOKEN_RING,
652     PAN_NET_ACCESS_TYPE_100MB_TOKEN_RING,
653     PAN_NET_ACCESS_TYPE_FDDI,
654     PAN_NET_ACCESS_TYPE_GSM,
655     PAN_NET_ACCESS_TYPE_CDMA,
656     PAN_NET_ACCESS_TYPE_GPRS,
657     PAN_NET_ACCESS_TYPE_3G,
658     PAN_NET_ACCESS_TYPE_CELULAR,
659     PAN_NET_ACCESS_TYPE_OTHER = 0xFFFE,
660     PAN_NET_ACCESS_TYPE_NONE
661 } net_access_type_t;
662 
663 /**
664  * ATT
665  */
666 
667 // Minimum/default MTU
668 #define ATT_DEFAULT_MTU               23
669 
670 // MARK: ATT Error Codes
671 #define ATT_ERROR_SUCCESS                          0x00
672 #define ATT_ERROR_INVALID_HANDLE                   0x01
673 #define ATT_ERROR_READ_NOT_PERMITTED               0x02
674 #define ATT_ERROR_WRITE_NOT_PERMITTED              0x03
675 #define ATT_ERROR_INVALID_PDU                      0x04
676 #define ATT_ERROR_INSUFFICIENT_AUTHENTICATION      0x05
677 #define ATT_ERROR_REQUEST_NOT_SUPPORTED            0x06
678 #define ATT_ERROR_INVALID_OFFSET                   0x07
679 #define ATT_ERROR_INSUFFICIENT_AUTHORIZATION       0x08
680 #define ATT_ERROR_PREPARE_QUEUE_FULL               0x09
681 #define ATT_ERROR_ATTRIBUTE_NOT_FOUND              0x0a
682 #define ATT_ERROR_ATTRIBUTE_NOT_LONG               0x0b
683 #define ATT_ERROR_INSUFFICIENT_ENCRYPTION_KEY_SIZE 0x0c
684 #define ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH   0x0d
685 #define ATT_ERROR_UNLIKELY_ERROR                   0x0e
686 #define ATT_ERROR_INSUFFICIENT_ENCRYPTION          0x0f
687 #define ATT_ERROR_UNSUPPORTED_GROUP_TYPE           0x10
688 #define ATT_ERROR_INSUFFICIENT_RESOURCES           0x11
689 #define ATT_ERROR_VALUE_NOT_ALLOWED                0x13
690 
691 // MARK: ATT Error Codes defined by BTstack
692 #define ATT_ERROR_HCI_DISCONNECT_RECEIVED          0x1f
693 #define ATT_ERROR_BONDING_INFORMATION_MISSING      0x70
694 #define ATT_ERROR_DATA_MISMATCH                    0x7e
695 #define ATT_ERROR_TIMEOUT                          0x7F
696 #define ATT_ERROR_WRITE_RESPONSE_PENDING           0x100
697 
698 // MARK: ATT Error Codes from Cycling Power Service spec
699 #define CYCLING_POWER_ERROR_CODE_INAPPROPRIATE_CONNECTION_PARAMETERS                          0x80
700 #define CYCLING_POWER_ERROR_CODE_PROCEDURE_ALREADY_IN_PROGRESS                                0xFE
701 #define CYCLING_POWER_ERROR_CODE_CCC_DESCRIPTOR_IMPROPERLY_CONFIGURED                         0xFD
702 
703 // MARK: ATT Error Codes from Cycling Speed and Cadence Service spec
704 #define CYCLING_SPEED_AND_CADENCE_ERROR_CODE_PROCEDURE_ALREADY_IN_PROGRESS                    0x80
705 #define CYCLING_SPEED_AND_CADENCE_ERROR_CODE_CCC_DESCRIPTOR_IMPROPERLY_CONFIGURED             0x81
706 
707 
708 // MARK: Attribute Property Flags
709 #define ATT_PROPERTY_BROADCAST           0x01
710 #define ATT_PROPERTY_READ                0x02
711 #define ATT_PROPERTY_WRITE_WITHOUT_RESPONSE 0x04
712 #define ATT_PROPERTY_WRITE               0x08
713 #define ATT_PROPERTY_NOTIFY              0x10
714 #define ATT_PROPERTY_INDICATE            0x20
715 #define ATT_PROPERTY_AUTHENTICATED_SIGNED_WRITE 0x40
716 #define ATT_PROPERTY_EXTENDED_PROPERTIES 0x80
717 
718 // MARK: Attribute Property Flag, BTstack extension
719 // value is asked from client
720 #define ATT_PROPERTY_DYNAMIC             0x100
721 
722 // Security levels
723 #define ATT_SECURITY_NONE 0
724 #define ATT_SECURITY_ENCRYPTED 1
725 #define ATT_SECURITY_AUTHENTICATED 2
726 #define ATT_SECURITY_AUTHORIZED 3
727 #define ATT_SECURITY_AUTHENTICATED_SC 4
728 
729 // ATT Transaction Timeout of 30 seconds for Command/Response or Indication/Confirmation
730 #define ATT_TRANSACTION_TIMEOUT_MS     30000
731 
732 #define ATT_TRANSACTION_MODE_NONE      0x0
733 #define ATT_TRANSACTION_MODE_ACTIVE    0x1
734 #define ATT_TRANSACTION_MODE_EXECUTE   0x2
735 #define ATT_TRANSACTION_MODE_CANCEL    0x3
736 #define ATT_TRANSACTION_MODE_VALIDATE  0x4
737 
738 // MARK: GATT UUIDs
739 #define GATT_PRIMARY_SERVICE_UUID                   0x2800
740 #define GATT_SECONDARY_SERVICE_UUID                 0x2801
741 #define GATT_INCLUDE_SERVICE_UUID                   0x2802
742 #define GATT_CHARACTERISTICS_UUID                   0x2803
743 #define GATT_CHARACTERISTIC_EXTENDED_PROPERTIES     0x2900
744 #define GATT_CHARACTERISTIC_USER_DESCRIPTION        0x2901
745 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION   0x2902
746 #define GATT_SERVER_CHARACTERISTICS_CONFIGURATION   0x2903
747 #define GATT_CHARACTERISTIC_PRESENTATION_FORMAT     0x2904
748 #define GATT_CHARACTERISTIC_AGGREGATE_FORMAT        0x2905
749 
750 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NONE          0
751 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION  1
752 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_INDICATION    2
753 
754 #define GATT_CLIENT_ANY_CONNECTION      0xffff
755 #define GATT_CLIENT_ANY_VALUE_HANDLE    0x0000
756 
757 // GAP Service and Characteristics
758 #define GAP_SERVICE_UUID               0x1800
759 #define GAP_DEVICE_NAME_UUID           0x2a00
760 #define GAP_APPEARANCE_UUID            0x2a01
761 #define GAP_PERIPHERAL_PRIVACY_FLAG    0x2a02
762 #define GAP_RECONNECTION_ADDRESS_UUID  0x2a03
763 #define GAP_PERIPHERAL_PREFERRED_CONNECTION_PARAMETERS_UUID 0x2a04
764 #define GAP_SERVICE_CHANGED            0x2a05
765 
766 // Bluetooth GATT types
767 
768 typedef struct {
769     uint16_t year;      // 0 - year  is not known; or [1582,9999]
770     uint8_t  month;     // 0 - month is not known; or [1,12]
771     uint8_t  day;       // 0 - day   is not known; or [1,31]
772     uint8_t  hours;     // [0,23]
773     uint8_t  minutes;   // [0,59]
774     uint8_t  seconds;   // [0,59]
775 } gatt_date_time_t;
776 
777 typedef enum {
778     GATT_MICROPHONE_CONTROL_MUTE_OFF = 0x00,
779     GATT_MICROPHONE_CONTROL_MUTE_ON,
780     GATT_MICROPHONE_CONTROL_MUTE_DISABLED
781 } gatt_microphone_control_mute_t;
782 
783 /**
784  * SM - LE Security Manager
785  */
786 // Bluetooth Spec definitions
787 typedef enum {
788     SM_CODE_PAIRING_REQUEST = 0X01,
789     SM_CODE_PAIRING_RESPONSE,
790     SM_CODE_PAIRING_CONFIRM,
791     SM_CODE_PAIRING_RANDOM,
792     SM_CODE_PAIRING_FAILED,
793     SM_CODE_ENCRYPTION_INFORMATION,
794     SM_CODE_MASTER_IDENTIFICATION,
795     SM_CODE_IDENTITY_INFORMATION,
796     SM_CODE_IDENTITY_ADDRESS_INFORMATION,
797     SM_CODE_SIGNING_INFORMATION,
798     SM_CODE_SECURITY_REQUEST,
799     SM_CODE_PAIRING_PUBLIC_KEY,
800     SM_CODE_PAIRING_DHKEY_CHECK,
801     SM_CODE_KEYPRESS_NOTIFICATION,
802 } SECURITY_MANAGER_COMMANDS;
803 
804 // IO Capability Values
805 typedef enum {
806     IO_CAPABILITY_DISPLAY_ONLY = 0,
807     IO_CAPABILITY_DISPLAY_YES_NO,
808     IO_CAPABILITY_KEYBOARD_ONLY,
809     IO_CAPABILITY_NO_INPUT_NO_OUTPUT,
810     IO_CAPABILITY_KEYBOARD_DISPLAY, // not used by secure simple pairing
811 } io_capability_t;
812 
813 // Authentication requirement flags
814 #define SM_AUTHREQ_NO_BONDING        0x00
815 #define SM_AUTHREQ_BONDING           0x01
816 #define SM_AUTHREQ_MITM_PROTECTION   0x04
817 #define SM_AUTHREQ_SECURE_CONNECTION 0x08
818 #define SM_AUTHREQ_KEYPRESS          0x10
819 #define SM_AUTHREQ_CT2               0x20
820 
821 // Key distribution flags used by spec
822 #define SM_KEYDIST_ENC_KEY  0x01
823 #define SM_KEYDIST_ID_KEY   0x02
824 #define SM_KEYDIST_SIGN     0x04
825 #define SM_KEYDIST_LINK_KEY 0x08
826 
827 // Key distribution flags used internally
828 #define SM_KEYDIST_FLAG_ENCRYPTION_INFORMATION       0x01
829 #define SM_KEYDIST_FLAG_MASTER_IDENTIFICATION        0x02
830 #define SM_KEYDIST_FLAG_IDENTITY_INFORMATION         0x04
831 #define SM_KEYDIST_FLAG_IDENTITY_ADDRESS_INFORMATION 0x08
832 #define SM_KEYDIST_FLAG_SIGNING_IDENTIFICATION       0x10
833 
834 // STK Generation Methods
835 #define SM_STK_GENERATION_METHOD_JUST_WORKS          0x01
836 #define SM_STK_GENERATION_METHOD_OOB                 0x02
837 #define SM_STK_GENERATION_METHOD_PASSKEY             0x04
838 #define SM_STK_GENERATION_METHOD_NUMERIC_COMPARISON  0x08
839 
840 // Pairing Failed Reasons
841 #define SM_REASON_RESERVED                     0x00
842 #define SM_REASON_PASSKEY_ENTRY_FAILED         0x01
843 #define SM_REASON_OOB_NOT_AVAILABLE            0x02
844 #define SM_REASON_AUTHENTHICATION_REQUIREMENTS 0x03
845 #define SM_REASON_CONFIRM_VALUE_FAILED         0x04
846 #define SM_REASON_PAIRING_NOT_SUPPORTED        0x05
847 #define SM_REASON_ENCRYPTION_KEY_SIZE          0x06
848 #define SM_REASON_COMMAND_NOT_SUPPORTED        0x07
849 #define SM_REASON_UNSPECIFIED_REASON           0x08
850 #define SM_REASON_REPEATED_ATTEMPTS            0x09
851 #define SM_REASON_INVALID_PARAMETERS           0x0a
852 #define SM_REASON_DHKEY_CHECK_FAILED           0x0b
853 #define SM_REASON_NUMERIC_COMPARISON_FAILED    0x0c
854 #define SM_REASON_BR_EDR_PAIRING_IN_PROGRESS   0x0d
855 #define SM_REASON_CROSS_TRANSPORT_KEY_DERIVATION_NOT_ALLOWED 0x0e
856 #define SM_REASON_KEY_REJECTED                 0x0f
857 
858 // also, invalid parameters
859 // and reserved
860 
861 // Keypress Notifications
862 #define SM_KEYPRESS_PASSKEY_ENTRY_STARTED      0x00
863 #define SM_KEYPRESS_PASSKEY_DIGIT_ENTERED      0x01
864 #define SM_KEYPRESS_PASSKEY_DIGIT_ERASED       0x02
865 #define SM_KEYPRESS_PASSKEY_CLEARED            0x03
866 #define SM_KEYPRESS_PASSKEY_ENTRY_COMPLETED    0x04
867 
868 
869 #endif
870