xref: /btstack/src/bluetooth.h (revision dbf84c8a4e5f19f37bf9128db249cb40829b9966)
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  * HCI Layer
171  */
172 
173 //
174 // Error Codes rfom Bluetooth Core Specification
175 //
176 
177 /* ENUM_START: BLUETOOTH_ERROR_CODE */
178 #define ERROR_CODE_SUCCESS                                 0x00
179 #define ERROR_CODE_UNKNOWN_HCI_COMMAND                     0x01
180 #define ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER           0x02
181 #define ERROR_CODE_HARDWARE_FAILURE                        0x03
182 #define ERROR_CODE_PAGE_TIMEOUT                            0x04
183 #define ERROR_CODE_AUTHENTICATION_FAILURE                  0x05
184 #define ERROR_CODE_PIN_OR_KEY_MISSING                      0x06
185 #define ERROR_CODE_MEMORY_CAPACITY_EXCEEDED                0x07
186 #define ERROR_CODE_CONNECTION_TIMEOUT                      0x08
187 #define ERROR_CODE_CONNECTION_LIMIT_EXCEEDED               0x09
188 #define ERROR_CODE_SYNCHRONOUS_CONNECTION_LIMIT_TO_A_DEVICE_EXCEEDED  0x0A
189 #define ERROR_CODE_ACL_CONNECTION_ALREADY_EXISTS           0x0B
190 #define ERROR_CODE_COMMAND_DISALLOWED                      0x0C
191 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_LIMITED_RESOURCES 0x0D
192 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_SECURITY_REASONS  0x0E
193 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_UNACCEPTABLE_BD_ADDR 0x0F
194 #define ERROR_CODE_CONNECTION_ACCEPT_TIMEOUT_EXCEEDED      0x10
195 #define ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE  0x11
196 #define ERROR_CODE_INVALID_HCI_COMMAND_PARAMETERS          0x12
197 #define ERROR_CODE_REMOTE_USER_TERMINATED_CONNECTION       0x13
198 #define ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_LOW_RESOURCES 0x14
199 #define ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_POWER_OFF     0x15
200 #define ERROR_CODE_CONNECTION_TERMINATED_BY_LOCAL_HOST     0x16
201 #define ERROR_CODE_REPEATED_ATTEMPTS                       0x17
202 #define ERROR_CODE_PAIRING_NOT_ALLOWED                     0x18
203 #define ERROR_CODE_UNKNOWN_LMP_PDU                         0x19
204 #define ERROR_CODE_UNSUPPORTED_REMOTE_FEATURE_UNSUPPORTED_LMP_FEATURE 0x1A
205 #define ERROR_CODE_SCO_OFFSET_REJECTED                     0x1B
206 #define ERROR_CODE_SCO_INTERVAL_REJECTED                   0x1C
207 #define ERROR_CODE_SCO_AIR_MODE_REJECTED                   0x1D
208 #define ERROR_CODE_INVALID_LMP_PARAMETERS_INVALID_LL_PARAMETERS 0x1E
209 #define ERROR_CODE_UNSPECIFIED_ERROR                       0x1F
210 #define ERROR_CODE_UNSUPPORTED_LMP_PARAMETER_VALUE_UNSUPPORTED_LL_PARAMETER_VALUE 0x20
211 #define ERROR_CODE_ROLE_CHANGE_NOT_ALLOWED                 0x21
212 #define ERROR_CODE_LMP_RESPONSE_TIMEOUT_LL_RESPONSE_TIMEOUT 0x22
213 #define ERROR_CODE_LMP_ERROR_TRANSACTION_COLLISION         0x23
214 #define ERROR_CODE_LMP_PDU_NOT_ALLOWED                     0x24
215 #define ERROR_CODE_ENCRYPTION_MODE_NOT_ACCEPTABLE          0x25
216 #define ERROR_CODE_LINK_KEY_CANNOT_BE_CHANGED              0x26
217 #define ERROR_CODE_REQUESTED_QOS_NOT_SUPPORTED             0x27
218 #define ERROR_CODE_INSTANT_PASSED                          0x28
219 #define ERROR_CODE_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED     0x29
220 #define ERROR_CODE_DIFFERENT_TRANSACTION_COLLISION         0x2A
221 #define ERROR_CODE_RESERVED                                0x2B
222 #define ERROR_CODE_QOS_UNACCEPTABLE_PARAMETER              0x2C
223 #define ERROR_CODE_QOS_REJECTED                            0x2D
224 #define ERROR_CODE_CHANNEL_CLASSIFICATION_NOT_SUPPORTED    0x2E
225 #define ERROR_CODE_INSUFFICIENT_SECURITY                   0x2F
226 #define ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE        0x30
227 // #define ERROR_CODE_RESERVED
228 #define ERROR_CODE_ROLE_SWITCH_PENDING                     0x32
229 // #define ERROR_CODE_RESERVED
230 #define ERROR_CODE_RESERVED_SLOT_VIOLATION                 0x34
231 #define ERROR_CODE_ROLE_SWITCH_FAILED                      0x35
232 #define ERROR_CODE_EXTENDED_INQUIRY_RESPONSE_TOO_LARGE     0x36
233 #define ERROR_CODE_SECURE_SIMPLE_PAIRING_NOT_SUPPORTED_BY_HOST 0x37
234 #define ERROR_CODE_HOST_BUSY_PAIRING                       0x38
235 #define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_NO_SUITABLE_CHANNEL_FOUND 0x39
236 #define ERROR_CODE_CONTROLLER_BUSY                         0x3A
237 #define ERROR_CODE_UNACCEPTABLE_CONNECTION_PARAMETERS      0x3B
238 #define ERROR_CODE_DIRECTED_ADVERTISING_TIMEOUT            0x3C
239 #define ERROR_CODE_CONNECTION_TERMINATED_DUE_TO_MIC_FAILURE 0x3D
240 #define ERROR_CODE_CONNECTION_FAILED_TO_BE_ESTABLISHED     0x3E
241 #define ERROR_CODE_MAC_CONNECTION_FAILED                   0x3F
242 #define ERROR_CODE_COARSE_CLOCK_ADJUSTMENT_REJECTED_BUT_WILL_TRY_TO_ADJUST_USING_CLOCK_DRAGGING 0x40
243 
244 // BTstack defined ERRORS, mapped into BLuetooth status code range
245 
246 #define BTSTACK_CONNECTION_TO_BTDAEMON_FAILED              0x50
247 #define BTSTACK_ACTIVATION_FAILED_SYSTEM_BLUETOOTH         0x51
248 #define BTSTACK_ACTIVATION_POWERON_FAILED                  0x52
249 #define BTSTACK_ACTIVATION_FAILED_UNKNOWN                  0x53
250 #define BTSTACK_NOT_ACTIVATED                              0x54
251 #define BTSTACK_BUSY                                       0x55
252 #define BTSTACK_MEMORY_ALLOC_FAILED                        0x56
253 #define BTSTACK_ACL_BUFFERS_FULL                           0x57
254 
255 // l2cap errors - enumeration by the command that created them
256 #define L2CAP_COMMAND_REJECT_REASON_COMMAND_NOT_UNDERSTOOD 0x60
257 #define L2CAP_COMMAND_REJECT_REASON_SIGNALING_MTU_EXCEEDED 0x61
258 #define L2CAP_COMMAND_REJECT_REASON_INVALID_CID_IN_REQUEST 0x62
259 
260 #define L2CAP_CONNECTION_RESPONSE_RESULT_SUCCESSFUL        0x63
261 #define L2CAP_CONNECTION_RESPONSE_RESULT_PENDING           0x64
262 #define L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_PSM       0x65
263 #define L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_SECURITY  0x66
264 #define L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_RESOURCES 0x67
265 #define L2CAP_CONNECTION_RESPONSE_RESULT_ERTM_NOT_SUPPORTED 0x68
266 
267 // should be L2CAP_CONNECTION_RTX_TIMEOUT
268 #define L2CAP_CONNECTION_RESPONSE_RESULT_RTX_TIMEOUT       0x69
269 #define L2CAP_CONNECTION_BASEBAND_DISCONNECT               0x6A
270 #define L2CAP_SERVICE_ALREADY_REGISTERED                   0x6B
271 #define L2CAP_DATA_LEN_EXCEEDS_REMOTE_MTU                  0x6C
272 #define L2CAP_SERVICE_DOES_NOT_EXIST                       0x6D
273 #define L2CAP_LOCAL_CID_DOES_NOT_EXIST                     0x6E
274 #define L2CAP_CONNECTION_RESPONSE_UNKNOWN_ERROR            0x6F
275 
276 #define RFCOMM_MULTIPLEXER_STOPPED                         0x70
277 #define RFCOMM_CHANNEL_ALREADY_REGISTERED                  0x71
278 #define RFCOMM_NO_OUTGOING_CREDITS                         0x72
279 #define RFCOMM_AGGREGATE_FLOW_OFF                          0x73
280 #define RFCOMM_DATA_LEN_EXCEEDS_MTU                        0x74
281 
282 #define HFP_REMOTE_REJECTS_AUDIO_CONNECTION                0x7F
283 
284 #define SDP_HANDLE_ALREADY_REGISTERED                      0x80
285 #define SDP_QUERY_INCOMPLETE                               0x81
286 #define SDP_SERVICE_NOT_FOUND                              0x82
287 #define SDP_HANDLE_INVALID                                 0x83
288 #define SDP_QUERY_BUSY                                     0x84
289 
290 #define ATT_HANDLE_VALUE_INDICATION_IN_PROGRESS            0x90
291 #define ATT_HANDLE_VALUE_INDICATION_TIMEOUT                0x91
292 #define ATT_HANDLE_VALUE_INDICATION_DISCONNECT             0x92
293 
294 #define GATT_CLIENT_NOT_CONNECTED                          0x93
295 #define GATT_CLIENT_BUSY                                   0x94
296 #define GATT_CLIENT_IN_WRONG_STATE                         0x95
297 #define GATT_CLIENT_DIFFERENT_CONTEXT_FOR_ADDRESS_ALREADY_EXISTS 0x96
298 #define GATT_CLIENT_VALUE_TOO_LONG                         0x97
299 #define GATT_CLIENT_CHARACTERISTIC_NOTIFICATION_NOT_SUPPORTED 0x98
300 #define GATT_CLIENT_CHARACTERISTIC_INDICATION_NOT_SUPPORTED   0x99
301 
302 #define BNEP_SERVICE_ALREADY_REGISTERED                    0xA0
303 #define BNEP_CHANNEL_NOT_CONNECTED                         0xA1
304 #define BNEP_DATA_LEN_EXCEEDS_MTU                          0xA2
305 
306 // OBEX ERRORS
307 #define OBEX_UNKNOWN_ERROR                                 0xB0
308 #define OBEX_CONNECT_FAILED                                0xB1
309 #define OBEX_DISCONNECTED                                  0xB2
310 #define OBEX_NOT_FOUND                                     0xB3
311 #define OBEX_NOT_ACCEPTABLE                                0xB4
312 #define OBEX_ABORTED                                       0xB5
313 
314 #define MESH_ERROR_APPKEY_INDEX_INVALID                    0xD0
315 /* ENUM_END */
316 
317 
318 /* ENUM_START: AVRCP_BROWSING_ERROR_CODE */
319 #define AVRCP_BROWSING_ERROR_CODE_INVALID_COMMAND                     0x00  // Sent if TG received a PDU that it did not understand. Valid for All.
320 #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.
321 #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.
322 #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.
323 #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.
324 #define AVRCP_BROWSING_ERROR_CODE_UID_CHANGED                         0x05  // The UIDs on the device have changed. Valid for All.
325 #define AVRCP_BROWSING_ERROR_CODE_RESERVED_06                         0x06  // Valid for All.
326 #define AVRCP_BROWSING_ERROR_CODE_INVALID_DIRECTION                   0x07  // The Direction parameter is invalid. Valid for Change Path.
327 #define AVRCP_BROWSING_ERROR_CODE_NOT_A_DIRECTORY                     0x08  // The UID provided does not refer to a folder item. Valid for Change Path.
328 #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.
329 #define AVRCP_BROWSING_ERROR_CODE_INVALID_SCOPE                       0x0a  // The scope parameter is invalid. Valid for GetFolderItems, PlayItem, AddToNowPlayer, GetItemAttributes,.
330 #define AVRCP_BROWSING_ERROR_CODE_RANGE_OUT_OF_BOUNDS                 0x0b  // The start of range provided is not valid. Valid for GetFolderItems.
331 #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.
332 #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.
333 #define AVRCP_BROWSING_ERROR_CODE_NOW_PLAYING_LIST_FULL               0x0e  // No more items can be added to the Now Playing List. Valid for AddToNowPlaying.
334 #define AVRCP_BROWSING_ERROR_CODE_SEARCH_NOT_SUPPORTED                0x0f  // The Browsed Media Player does not support search. Valid for Search.
335 #define AVRCP_BROWSING_ERROR_CODE_SEARCH_IN_PROGRESS                  0x10  // A search operation is already in progress. Valid for Search.
336 #define AVRCP_BROWSING_ERROR_CODE_INVALID_PLAYER_ID                   0x11  // The specified Player Id does not refer to a valid player. Valid for SetAddressedPlayer, SetBrowsedPlayer.
337 #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.
338 #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.
339 #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.
340 #define AVRCP_BROWSING_ERROR_CODE_NO_AVAILABLE_PLAYERS                0x15  // Valid for All.
341 #define AVRCP_BROWSING_ERROR_CODE_ADDRESSED_PLAYER_CHANGED            0x16  // Valid for Register Notification.
342 // 0x17-0xff Reserved
343 /* ENUM_END */
344 
345 // HCI roles
346 typedef enum {
347     HCI_ROLE_MASTER = 0,
348     HCI_ROLE_SLAVE  = 1,
349     HCI_ROLE_INVALID = 0xff,
350 } hci_role_t;
351 
352 // packet sizes (max payload)
353 #define HCI_ACL_DM1_SIZE            17
354 #define HCI_ACL_DH1_SIZE            27
355 #define HCI_ACL_2DH1_SIZE           54
356 #define HCI_ACL_3DH1_SIZE           83
357 #define HCI_ACL_DM3_SIZE           121
358 #define HCI_ACL_DH3_SIZE           183
359 #define HCI_ACL_DM5_SIZE           224
360 #define HCI_ACL_DH5_SIZE           339
361 #define HCI_ACL_2DH3_SIZE          367
362 #define HCI_ACL_3DH3_SIZE          552
363 #define HCI_ACL_2DH5_SIZE          679
364 #define HCI_ACL_3DH5_SIZE         1021
365 
366 #define LE_ADVERTISING_DATA_SIZE    31
367 #define LE_EXTENDED_ADVERTISING_MAX_HANDLE 0xEFu
368 #define LE_EXTENDED_ADVERTISING_MAX_CHUNK_LEN 251
369 
370 // advertising event properties for extended advertising
371 #define LE_ADVERTISING_PROPERTIES_CONNECTABLE      (1u<<0)
372 #define LE_ADVERTISING_PROPERTIES_SCANNABLE        (1u<<1)
373 #define LE_ADVERTISING_PROPERTIES_DIRECTED         (1u<<2)
374 #define LE_ADVERTISING_PROPERTIES_HIGH_DUTY_CYCLE  (1u<<3)
375 #define LE_ADVERTISING_PROPERTIES_LEGACY           (1u<<4)
376 #define LE_ADVERTISING_PROPERTIES_ANONYMOUS        (1u<<5)
377 #define LE_ADVERTISING_PROPERTIES_INCLUDE_TX_POWER (1u<<6)
378 
379 
380 // SCO Packet Types
381 #define SCO_PACKET_TYPES_NONE  0x0000
382 #define SCO_PACKET_TYPES_HV1   0x0001
383 #define SCO_PACKET_TYPES_HV3   0x0004
384 #define SCO_PACKET_TYPES_EV3   0x0008
385 #define SCO_PACKET_TYPES_2EV3  0x0040
386 #define SCO_PACKET_TYPES_ALL   0x03FF
387 
388 // Link Policy Settings
389 #define LM_LINK_POLICY_DISABLE_ALL_LM_MODES  0
390 #define LM_LINK_POLICY_ENABLE_ROLE_SWITCH    1
391 #define LM_LINK_POLICY_ENABLE_HOLD_MODE      2
392 #define LM_LINK_POLICY_ENABLE_SNIFF_MODE     4
393 
394 // ACL Connection Modes
395 #define ACL_CONNECTION_MODE_ACTIVE 0
396 #define ACL_CONNECTION_MODE_HOLD   1
397 #define ACL_CONNECTION_MODE_SNIFF  2
398 
399 /**
400  * Default INQ Mode
401  */
402 #define GAP_IAC_GENERAL_INQUIRY 0x9E8B33L // General/Unlimited Inquiry Access Code (GIAC)
403 #define GAP_IAC_LIMITED_INQUIRY 0x9E8B00L // Limited Dedicated Inquiry Access Code (LIAC)
404 
405 /**
406  * SSP IO Capabilities
407  */
408 #define SSP_IO_CAPABILITY_DISPLAY_ONLY   0
409 #define SSP_IO_CAPABILITY_DISPLAY_YES_NO 1
410 #define SSP_IO_CAPABILITY_KEYBOARD_ONLY  2
411 #define SSP_IO_CAPABILITY_NO_INPUT_NO_OUTPUT 3
412 #define SSP_IO_CAPABILITY_UNKNOWN 0xff
413 
414 
415 /**
416  * SSP Authentication Requirements, see IO Capability Request Reply Commmand
417  */
418 
419 // Numeric comparison with automatic accept allowed.
420 #define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_NO_BONDING 0x00
421 
422 // Use IO Capabilities to deter- mine authentication procedure
423 #define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_NO_BONDING 0x01
424 
425 // Numeric compar- ison with automatic accept allowed.
426 #define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_DEDICATED_BONDING 0x02
427 
428 // Use IO Capabilities to determine authentication procedure
429 #define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_DEDICATED_BONDING 0x03
430 
431 // Numeric Compari- son with automatic accept allowed.
432 #define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_GENERAL_BONDING 0x04
433 
434 // Use IO capabilities to determine authentication procedure.
435 #define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_GENERAL_BONDING 0x05
436 
437 
438 // OGFs
439 #define OGF_LINK_CONTROL          0x01
440 #define OGF_LINK_POLICY           0x02
441 #define OGF_CONTROLLER_BASEBAND   0x03
442 #define OGF_INFORMATIONAL_PARAMETERS 0x04
443 #define OGF_STATUS_PARAMETERS     0x05
444 #define OGF_TESTING               0x06
445 #define OGF_LE_CONTROLLER 0x08
446 #define OGF_VENDOR  0x3f
447 
448 
449 
450 
451 /**
452  * L2CAP Layer
453  */
454 
455 #define L2CAP_HEADER_SIZE 4
456 
457 // minimum signaling MTU
458 #define L2CAP_MINIMAL_MTU 48
459 #define L2CAP_DEFAULT_MTU 672
460 
461 // Minimum/default MTU
462 #define L2CAP_LE_DEFAULT_MTU  23
463 
464 // L2CAP Fixed Channel IDs
465 #define L2CAP_CID_SIGNALING                        0x0001
466 #define L2CAP_CID_CONNECTIONLESS_CHANNEL           0x0002
467 #define L2CAP_CID_ATTRIBUTE_PROTOCOL               0x0004
468 #define L2CAP_CID_SIGNALING_LE                     0x0005
469 #define L2CAP_CID_SECURITY_MANAGER_PROTOCOL        0x0006
470 #define L2CAP_CID_BR_EDR_SECURITY_MANAGER          0x0007
471 
472 // L2CAP Channels in Basic and Enhanced Retransmission Mode
473 
474 // connection response result
475 #define L2CAP_CONNECTION_RESULT_SUCCESS                         0x0000
476 #define L2CAP_CONNECTION_RESULT_PENDING                         0x0001
477 #define L2CAP_CONNECTION_RESULT_PSM_NOT_SUPPORTED               0x0002
478 #define L2CAP_CONNECTION_RESULT_SECURITY_BLOCK                  0x0003
479 #define L2CAP_CONNECTION_RESULT_NO_RESOURCES_AVAILABLE          0x0004
480 #define L2CAP_CONNECTION_RESULT_INVALID_SOURCE_CID              0x0006
481 #define L2CAP_CONNECTION_RESULT_SOURCE_CID_ALREADY_ALLOCATED    0x0007
482 
483 // L2CAP Channels in LE Credit-Based Flow-Control Mode
484 
485 // connection response result
486 #define L2CAP_CBM_CONNECTION_RESULT_SUCCESS                         0x0000
487 #define L2CAP_CBM_CONNECTION_RESULT_SPSM_NOT_SUPPORTED              0x0002
488 #define L2CAP_CBM_CONNECTION_RESULT_NO_RESOURCES_AVAILABLE          0x0004
489 #define L2CAP_CBM_CONNECTION_RESULT_INSUFFICIENT_AUTHENTICATION     0x0005
490 #define L2CAP_CBM_CONNECTION_RESULT_INSUFFICIENT_AUTHORIZATION      0x0006
491 #define L2CAP_CBM_CONNECTION_RESULT_ENCYRPTION_KEY_SIZE_TOO_SHORT   0x0007
492 #define L2CAP_CBM_CONNECTION_RESULT_INSUFFICIENT_ENCRYPTION         0x0008
493 #define L2CAP_CBM_CONNECTION_RESULT_INVALID_SOURCE_CID              0x0009
494 #define L2CAP_CBM_CONNECTION_RESULT_SOURCE_CID_ALREADY_ALLOCATED    0x000A
495 #define L2CAP_CBM_CONNECTION_RESULT_UNACCEPTABLE_PARAMETERS         0x000B
496 
497 
498 // L2CAP Channels in Enhanced Credit-Based Flow-Control Mode
499 
500 // number of CIDs in single connection+reconfiguration request/response
501 #define L2CAP_ECBM_MAX_CID_ARRAY_SIZE        5
502 
503 // connection response result
504 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_SUCCESS                                    0x0000
505 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_SPSM_NOT_SUPPORTED                 0x0002
506 #define L2CAP_ECBM_CONNECTION_RESULT_SOME_REFUSED_INSUFFICIENT_RESOURCES_AVAILABLE  0x0004
507 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INSUFFICIENT_AUTHENTICATION        0x0005
508 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INSUFFICIENT_AUTHORIZATION         0x0006
509 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_ENCYRPTION_KEY_SIZE_TOO_SHORT      0x0007
510 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INSUFFICIENT_ENCRYPTION            0x0008
511 #define L2CAP_ECBM_CONNECTION_RESULT_SOME_REFUSED_INVALID_SOURCE_CID                0x0009
512 #define L2CAP_ECBM_CONNECTION_RESULT_SOME_REFUSED_SOURCE_CID_ALREADY_ALOCATED       0x000A
513 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_UNACCEPTABLE_PARAMETERS            0x000B
514 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_REFUSED_INVALID_PARAMETERS                 0x000C
515 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_PENDING_NO_FURTHER_INFORMATION             0x000D
516 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_PENDING_AUTHENTICATION                     0x000E
517 #define L2CAP_ECBM_CONNECTION_RESULT_ALL_PENDING_AUTHORIZATION                      0x000F
518 
519 
520 // Result for Reconfigure Request
521 #define L2CAP_ECBM_RECONFIGURE_SUCCESS                                 0
522 #define L2CAP_ECBM_RECONFIGURE_FAILED_MTU_REDUCTION_NOT_ALLOWED        1
523 #define L2CAP_ECBM_RECONFIGURE_FAILED_MPS_REDUCTION_MULTIPLE_CHANNELS  2
524 #define L2CAP_ECBM_RECONFIGURE_FAILED_DESTINATION_CID_INVALID          3
525 #define L2CAP_ECBM_RECONFIGURE_FAILED_UNACCEPTABLE_PARAMETERS          4
526 
527 /**
528  * SDP Protocol
529  */
530 
531 // Device Vendor ID Sources
532 #define DEVICE_ID_VENDOR_ID_SOURCE_BLUETOOTH 0x0001
533 #define DEVICE_ID_VENDOR_ID_SOURCE_USB       0x0002
534 
535 // OBEX
536 #define SDP_vCard_2_1       0x01
537 #define SDP_vCard_3_0       0x02
538 #define SDP_vCal_1_0        0x03
539 #define SDP_iCal_2_0        0x04
540 #define SDP_vNote           0x05
541 #define SDP_vMessage        0x06
542 #define SDP_OBEXFileTypeAny 0xFF
543 
544 /**
545  * RFCOMM Protocol
546  */
547 
548 // Line Status
549 #define LINE_STATUS_NO_ERROR       0x00
550 #define LINE_STATUS_OVERRUN_ERROR  0x03
551 #define LINE_STATUS_PARITY_ERORR   0x05
552 #define LINE_STATUS_FRAMING_ERROR  0x09
553 
554 // Modem Status Flags
555 #define MODEM_STATUS_FC   0x02
556 #define MODEM_STATUS_RTC  0x04
557 #define MODEM_STATUS_RTR  0x08
558 #define MODEM_STATUS_IC   0x40
559 #define MODEM_STATUS_DV   0x80
560 
561 typedef enum rpn_baud {
562     RPN_BAUD_2400 = 0,
563     RPN_BAUD_4800,
564     RPN_BAUD_7200,
565     RPN_BAUD_9600,
566     RPN_BAUD_19200,
567     RPN_BAUD_38400,
568     RPN_BAUD_57600,
569     RPN_BAUD_115200,
570     RPN_BAUD_230400
571 } rpn_baud_t;
572 
573 typedef enum rpn_data_bits {
574     RPN_DATA_BITS_5 = 0,
575     RPN_DATA_BITS_6 = 0,
576     RPN_DATA_BITS_7 = 0,
577     RPN_DATA_BITS_8 = 0
578 } rpn_data_bits_t;
579 
580 typedef enum rpn_stop_bits {
581     RPN_STOP_BITS_1_0 = 0,
582     RPN_STOP_BITS_1_5
583 } rpn_stop_bits_t;
584 
585 typedef enum rpn_parity {
586     RPN_PARITY_NONE  = 0,
587     RPN_PARITY_ODD   = 1,
588     RPN_PARITY_EVEN  = 3,
589     RPN_PARITY_MARK  = 5,
590     RPN_PARITY_SPACE = 7,
591 } rpn_parity_t;
592 
593 #define RPN_FLOW_CONTROL_XONXOFF_ON_INPUT  0x01
594 #define RPN_FLOW_CONTROL_XONXOFF_ON_OUTPUT 0x02
595 #define RPN_FLOW_CONTROL_RTR_ON_INPUT      0x04
596 #define RPN_FLOW_CONTROL_RTR_ON_OUTPUT     0x08
597 #define RPN_FLOW_CONTROL_RTC_ON_INPUT      0x10
598 #define RPN_FLOW_CONTROL_RTC_ON_OUTPUT     0x20
599 
600 #define RPN_PARAM_MASK_0_BAUD             0x01
601 #define RPN_PARAM_MASK_0_DATA_BITS        0x02
602 #define RPN_PARAM_MASK_0_STOP_BITS        0x04
603 #define RPN_PARAM_MASK_0_PARITY           0x08
604 #define RPN_PARAM_MASK_0_PARITY_TYPE      0x10
605 #define RPN_PARAM_MASK_0_XON_CHAR         0x20
606 #define RPN_PARAM_MASK_0_XOFF_CHAR        0x40
607 #define RPN_PARAM_MASK_0_RESERVED         0x80
608 
609 // @note: values are identical to rpn_flow_control_t
610 #define RPN_PARAM_MASK_1_XONOFF_ON_INPUT  0x01
611 #define RPN_PARAM_MASK_1_XONOFF_ON_OUTPUT 0x02
612 #define RPN_PARAM_MASK_1_RTR_ON_INPUT     0x04
613 #define RPN_PARAM_MASK_1_RTR_ON_OUTPUT    0x08
614 #define RPN_PARAM_MASK_1_RTC_ON_INPUT     0x10
615 #define RPN_PARAM_MASK_1_RTC_ON_OUTPUT    0x20
616 #define RPN_PARAM_MASK_1_RESERVED_0       0x40
617 #define RPN_PARAM_MASK_1_RESERVED_1       0x80
618 
619 /**
620  * BNEP Protocol
621  */
622 
623 #ifndef ETHER_ADDR_LEN
624 #define ETHER_ADDR_LEN 6
625 #endif
626 
627 #ifndef ETHERTYPE_VLAN
628 #define ETHERTYPE_VLAN                                  0x8100 /* IEEE 802.1Q VLAN tag */
629 #endif
630 
631 #define BNEP_MTU_MIN                                    1691
632 
633 
634 /**
635  * PAN Profile
636  */
637 
638 typedef enum {
639     BNEP_SECURITY_NONE = 0x0000,
640     BNEP_SECURITY_SERVICE_LEVEL_ENFORCED,
641     BNEP_SECURITY_802_1X
642 } security_description_t;
643 
644 typedef enum {
645     PAN_NET_ACCESS_TYPE_PSTN = 0x0000,
646     PAN_NET_ACCESS_TYPE_ISDN,
647     PAN_NET_ACCESS_TYPE_DSL,
648     PAN_NET_ACCESS_TYPE_CABLE_MODEM,
649     PAN_NET_ACCESS_TYPE_10MB_ETHERNET,
650     PAN_NET_ACCESS_TYPE_100MB_ETHERNET,
651     PAN_NET_ACCESS_TYPE_4MB_TOKEN_RING,
652     PAN_NET_ACCESS_TYPE_16MB_TOKEN_RING,
653     PAN_NET_ACCESS_TYPE_100MB_TOKEN_RING,
654     PAN_NET_ACCESS_TYPE_FDDI,
655     PAN_NET_ACCESS_TYPE_GSM,
656     PAN_NET_ACCESS_TYPE_CDMA,
657     PAN_NET_ACCESS_TYPE_GPRS,
658     PAN_NET_ACCESS_TYPE_3G,
659     PAN_NET_ACCESS_TYPE_CELULAR,
660     PAN_NET_ACCESS_TYPE_OTHER = 0xFFFE,
661     PAN_NET_ACCESS_TYPE_NONE
662 } net_access_type_t;
663 
664 /**
665  * ATT
666  */
667 
668 // Minimum/default MTU
669 #define ATT_DEFAULT_MTU               23
670 
671 // MARK: ATT Error Codes
672 #define ATT_ERROR_SUCCESS                          0x00
673 #define ATT_ERROR_INVALID_HANDLE                   0x01
674 #define ATT_ERROR_READ_NOT_PERMITTED               0x02
675 #define ATT_ERROR_WRITE_NOT_PERMITTED              0x03
676 #define ATT_ERROR_INVALID_PDU                      0x04
677 #define ATT_ERROR_INSUFFICIENT_AUTHENTICATION      0x05
678 #define ATT_ERROR_REQUEST_NOT_SUPPORTED            0x06
679 #define ATT_ERROR_INVALID_OFFSET                   0x07
680 #define ATT_ERROR_INSUFFICIENT_AUTHORIZATION       0x08
681 #define ATT_ERROR_PREPARE_QUEUE_FULL               0x09
682 #define ATT_ERROR_ATTRIBUTE_NOT_FOUND              0x0a
683 #define ATT_ERROR_ATTRIBUTE_NOT_LONG               0x0b
684 #define ATT_ERROR_INSUFFICIENT_ENCRYPTION_KEY_SIZE 0x0c
685 #define ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH   0x0d
686 #define ATT_ERROR_UNLIKELY_ERROR                   0x0e
687 #define ATT_ERROR_INSUFFICIENT_ENCRYPTION          0x0f
688 #define ATT_ERROR_UNSUPPORTED_GROUP_TYPE           0x10
689 #define ATT_ERROR_INSUFFICIENT_RESOURCES           0x11
690 #define ATT_ERROR_VALUE_NOT_ALLOWED                0x13
691 
692 // MARK: ATT Error Codes defined by BTstack
693 #define ATT_ERROR_HCI_DISCONNECT_RECEIVED          0x1f
694 #define ATT_ERROR_BONDING_INFORMATION_MISSING      0x70
695 #define ATT_ERROR_DATA_MISMATCH                    0x7e
696 #define ATT_ERROR_TIMEOUT                          0x7F
697 #define ATT_ERROR_WRITE_RESPONSE_PENDING           0x100
698 
699 // MARK: ATT Error Codes from Cycling Power Service spec
700 #define CYCLING_POWER_ERROR_CODE_INAPPROPRIATE_CONNECTION_PARAMETERS                          0x80
701 #define CYCLING_POWER_ERROR_CODE_PROCEDURE_ALREADY_IN_PROGRESS                                0xFE
702 #define CYCLING_POWER_ERROR_CODE_CCC_DESCRIPTOR_IMPROPERLY_CONFIGURED                         0xFD
703 
704 // MARK: ATT Error Codes from Cycling Speed and Cadence Service spec
705 #define CYCLING_SPEED_AND_CADENCE_ERROR_CODE_PROCEDURE_ALREADY_IN_PROGRESS                    0x80
706 #define CYCLING_SPEED_AND_CADENCE_ERROR_CODE_CCC_DESCRIPTOR_IMPROPERLY_CONFIGURED             0x81
707 
708 
709 // MARK: Attribute Property Flags
710 #define ATT_PROPERTY_BROADCAST           0x01
711 #define ATT_PROPERTY_READ                0x02
712 #define ATT_PROPERTY_WRITE_WITHOUT_RESPONSE 0x04
713 #define ATT_PROPERTY_WRITE               0x08
714 #define ATT_PROPERTY_NOTIFY              0x10
715 #define ATT_PROPERTY_INDICATE            0x20
716 #define ATT_PROPERTY_AUTHENTICATED_SIGNED_WRITE 0x40
717 #define ATT_PROPERTY_EXTENDED_PROPERTIES 0x80
718 
719 // MARK: Attribute Property Flag, BTstack extension
720 // value is asked from client
721 #define ATT_PROPERTY_DYNAMIC             0x100
722 
723 // Security levels
724 #define ATT_SECURITY_NONE 0
725 #define ATT_SECURITY_ENCRYPTED 1
726 #define ATT_SECURITY_AUTHENTICATED 2
727 #define ATT_SECURITY_AUTHORIZED 3
728 #define ATT_SECURITY_AUTHENTICATED_SC 4
729 
730 // ATT Transaction Timeout of 30 seconds for Command/Response or Indication/Confirmation
731 #define ATT_TRANSACTION_TIMEOUT_MS     30000
732 
733 #define ATT_TRANSACTION_MODE_NONE      0x0
734 #define ATT_TRANSACTION_MODE_ACTIVE    0x1
735 #define ATT_TRANSACTION_MODE_EXECUTE   0x2
736 #define ATT_TRANSACTION_MODE_CANCEL    0x3
737 #define ATT_TRANSACTION_MODE_VALIDATE  0x4
738 
739 // MARK: GATT UUIDs
740 #define GATT_PRIMARY_SERVICE_UUID                   0x2800
741 #define GATT_SECONDARY_SERVICE_UUID                 0x2801
742 #define GATT_INCLUDE_SERVICE_UUID                   0x2802
743 #define GATT_CHARACTERISTICS_UUID                   0x2803
744 #define GATT_CHARACTERISTIC_EXTENDED_PROPERTIES     0x2900
745 #define GATT_CHARACTERISTIC_USER_DESCRIPTION        0x2901
746 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION   0x2902
747 #define GATT_SERVER_CHARACTERISTICS_CONFIGURATION   0x2903
748 #define GATT_CHARACTERISTIC_PRESENTATION_FORMAT     0x2904
749 #define GATT_CHARACTERISTIC_AGGREGATE_FORMAT        0x2905
750 
751 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NONE          0
752 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION  1
753 #define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_INDICATION    2
754 
755 #define GATT_CLIENT_ANY_CONNECTION      0xffff
756 #define GATT_CLIENT_ANY_VALUE_HANDLE    0x0000
757 
758 // GAP Service and Characteristics
759 #define GAP_SERVICE_UUID               0x1800
760 #define GAP_DEVICE_NAME_UUID           0x2a00
761 #define GAP_APPEARANCE_UUID            0x2a01
762 #define GAP_PERIPHERAL_PRIVACY_FLAG    0x2a02
763 #define GAP_RECONNECTION_ADDRESS_UUID  0x2a03
764 #define GAP_PERIPHERAL_PREFERRED_CONNECTION_PARAMETERS_UUID 0x2a04
765 #define GAP_SERVICE_CHANGED            0x2a05
766 
767 // Bluetooth GATT types
768 
769 typedef struct {
770     uint16_t year;      // 0 - year  is not known; or [1582,9999]
771     uint8_t  month;     // 0 - month is not known; or [1,12]
772     uint8_t  day;       // 0 - day   is not known; or [1,31]
773     uint8_t  hours;     // [0,23]
774     uint8_t  minutes;   // [0,59]
775     uint8_t  seconds;   // [0,59]
776 } gatt_date_time_t;
777 
778 typedef enum {
779     GATT_MICROPHONE_CONTROL_MUTE_OFF = 0x00,
780     GATT_MICROPHONE_CONTROL_MUTE_ON,
781     GATT_MICROPHONE_CONTROL_MUTE_DISABLED
782 } gatt_microphone_control_mute_t;
783 
784 /**
785  * SM - LE Security Manager
786  */
787 // Bluetooth Spec definitions
788 typedef enum {
789     SM_CODE_PAIRING_REQUEST = 0X01,
790     SM_CODE_PAIRING_RESPONSE,
791     SM_CODE_PAIRING_CONFIRM,
792     SM_CODE_PAIRING_RANDOM,
793     SM_CODE_PAIRING_FAILED,
794     SM_CODE_ENCRYPTION_INFORMATION,
795     SM_CODE_MASTER_IDENTIFICATION,
796     SM_CODE_IDENTITY_INFORMATION,
797     SM_CODE_IDENTITY_ADDRESS_INFORMATION,
798     SM_CODE_SIGNING_INFORMATION,
799     SM_CODE_SECURITY_REQUEST,
800     SM_CODE_PAIRING_PUBLIC_KEY,
801     SM_CODE_PAIRING_DHKEY_CHECK,
802     SM_CODE_KEYPRESS_NOTIFICATION,
803 } SECURITY_MANAGER_COMMANDS;
804 
805 // IO Capability Values
806 typedef enum {
807     IO_CAPABILITY_DISPLAY_ONLY = 0,
808     IO_CAPABILITY_DISPLAY_YES_NO,
809     IO_CAPABILITY_KEYBOARD_ONLY,
810     IO_CAPABILITY_NO_INPUT_NO_OUTPUT,
811     IO_CAPABILITY_KEYBOARD_DISPLAY, // not used by secure simple pairing
812 } io_capability_t;
813 
814 // Authentication requirement flags
815 #define SM_AUTHREQ_NO_BONDING        0x00
816 #define SM_AUTHREQ_BONDING           0x01
817 #define SM_AUTHREQ_MITM_PROTECTION   0x04
818 #define SM_AUTHREQ_SECURE_CONNECTION 0x08
819 #define SM_AUTHREQ_KEYPRESS          0x10
820 #define SM_AUTHREQ_CT2               0x20
821 
822 // Key distribution flags used by spec
823 #define SM_KEYDIST_ENC_KEY  0x01
824 #define SM_KEYDIST_ID_KEY   0x02
825 #define SM_KEYDIST_SIGN     0x04
826 #define SM_KEYDIST_LINK_KEY 0x08
827 
828 // Key distribution flags used internally
829 #define SM_KEYDIST_FLAG_ENCRYPTION_INFORMATION       0x01
830 #define SM_KEYDIST_FLAG_MASTER_IDENTIFICATION        0x02
831 #define SM_KEYDIST_FLAG_IDENTITY_INFORMATION         0x04
832 #define SM_KEYDIST_FLAG_IDENTITY_ADDRESS_INFORMATION 0x08
833 #define SM_KEYDIST_FLAG_SIGNING_IDENTIFICATION       0x10
834 
835 // STK Generation Methods
836 #define SM_STK_GENERATION_METHOD_JUST_WORKS          0x01
837 #define SM_STK_GENERATION_METHOD_OOB                 0x02
838 #define SM_STK_GENERATION_METHOD_PASSKEY             0x04
839 #define SM_STK_GENERATION_METHOD_NUMERIC_COMPARISON  0x08
840 
841 // Pairing Failed Reasons
842 #define SM_REASON_RESERVED                     0x00
843 #define SM_REASON_PASSKEY_ENTRY_FAILED         0x01
844 #define SM_REASON_OOB_NOT_AVAILABLE            0x02
845 #define SM_REASON_AUTHENTHICATION_REQUIREMENTS 0x03
846 #define SM_REASON_CONFIRM_VALUE_FAILED         0x04
847 #define SM_REASON_PAIRING_NOT_SUPPORTED        0x05
848 #define SM_REASON_ENCRYPTION_KEY_SIZE          0x06
849 #define SM_REASON_COMMAND_NOT_SUPPORTED        0x07
850 #define SM_REASON_UNSPECIFIED_REASON           0x08
851 #define SM_REASON_REPEATED_ATTEMPTS            0x09
852 #define SM_REASON_INVALID_PARAMETERS           0x0a
853 #define SM_REASON_DHKEY_CHECK_FAILED           0x0b
854 #define SM_REASON_NUMERIC_COMPARISON_FAILED    0x0c
855 #define SM_REASON_BR_EDR_PAIRING_IN_PROGRESS   0x0d
856 #define SM_REASON_CROSS_TRANSPORT_KEY_DERIVATION_NOT_ALLOWED 0x0e
857 #define SM_REASON_KEY_REJECTED                 0x0f
858 
859 // also, invalid parameters
860 // and reserved
861 
862 // Keypress Notifications
863 #define SM_KEYPRESS_PASSKEY_ENTRY_STARTED      0x00
864 #define SM_KEYPRESS_PASSKEY_DIGIT_ENTERED      0x01
865 #define SM_KEYPRESS_PASSKEY_DIGIT_ERASED       0x02
866 #define SM_KEYPRESS_PASSKEY_CLEARED            0x03
867 #define SM_KEYPRESS_PASSKEY_ENTRY_COMPLETED    0x04
868 
869 
870 #endif
871