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teensy-usbhost/bluetooth.cpp

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  1. /* USB EHCI Host for Teensy 3.6

  2.  * Copyright 2017 Paul Stoffregen (paul@pjrc.com)

  3.  *

  4.  * Permission is hereby granted, free of charge, to any person obtaining a

  5.  * copy of this software and associated documentation files (the

  6.  * "Software"), to deal in the Software without restriction, including

  7.  * without limitation the rights to use, copy, modify, merge, publish,

  8.  * distribute, sublicense, and/or sell copies of the Software, and to

  9.  * permit persons to whom the Software is furnished to do so, subject to

  10.  * the following conditions:

  11.  *

  12.  * The above copyright notice and this permission notice shall be included

  13.  * in all copies or substantial portions of the Software.

  14.  *

  15.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

  16.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

  17.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

  18.  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

  19.  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

  20.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

  21.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

  22.  *

  23.  * information about the BlueTooth HCI comes from logic analyzer captures

  24.  * plus... http://affon.narod.ru/BT/bluetooth_app_c10.pdf

  25.  */

  26. 

  27. #include <Arduino.h>

  28. #include "USBHost_t36.h"  // Read this header first for key info

  29. 

  30. #define print   USBHost::print_

  31. #define println USBHost::println_

  32. 

  33. #define DEBUG_BT

  34. //#define DEBUG_BT_VERBOSE

  35. 

  36. #ifndef DEBUG_BT

  37. #undef DEBUG_BT_VERBOSE

  38. void DBGPrintf(...) {};

  39. #else

  40. #define DBGPrintf Serial.printf

  41. #endif

  42. 

  43. #ifndef DEBUG_BT_VERBOSE

  44. void VDBGPrintf(...) {};

  45. #else

  46. #define VDBGPrintf Serial.printf

  47. #endif

  48. 

  49. 

  50. /************************************************************/

  51. //  Define HCI Commands OGF HIgh byte OCF is low byte... 

  52. //     Actually shifted values...

  53. /************************************************************/

  54. #define HCI_INQUIRY 						0x0401

  55. #define HCI_INQUIRY_CANCEL					0x0402

  56. #define HCI_CREATE_CONNECTION				0x0405

  57. #define HCI_OP_ACCEPT_CONN_REQ				0x0409

  58. #define HCI_LINK_KEY_NEG_REPLY				0x040C

  59. #define HCI_PIN_CODE_REPLY					0x040D

  60. #define HCI_AUTH_REQUESTED					0x0411

  61. #define HCI_OP_REMOTE_NAME_REQ				0x0419

  62. #define HCI_OP_REMOTE_NAME_REQ_CANCEL		0x041a

  63. #define HCI_OP_READ_REMOTE_FEATURES			0x041b

  64. 

  65. 

  66. #define HCI_Write_Default_Link_Policy_Settings	0x080f

  67. #define HCI_Set_Event_Mask					0x0c01

  68. #define HCI_RESET 							0x0c03

  69. #define HCI_Set_Event_Filter_Clear			0x0c05

  70. #define HCI_Read_Local_Name					0x0c14

  71. #define HCI_Read_Stored_Link_Key			0x0c0d

  72. #define HCI_DELETE_STORED_LINK_KEY			0x0c12

  73. #define HCI_WRITE_LOCAL_NAME				0x0c13

  74. #define Write_Connection_Accept_Timeout		0x0c16

  75. #define HCI_WRITE_SCAN_ENABLE				0x0c1a

  76. #define HCI_Read_Page_Scan_Activity			0x0c1b

  77. #define HCI_READ_CLASS_OF_DEVICE			0x0c23

  78. #define HCI_WRITE_CLASS_OF_DEV				0x0C24

  79. #define HCI_Read_Voice_Setting				0x0c25

  80. #define HCI_Read_Number_Of_Supported_IAC	0x0c38

  81. #define HCI_Read_Current_IAC_LAP			0x0c39

  82. #define HCI_WRITE_INQUIRY_MODE				0x0c45

  83. #define HCI_Read_Page_Scan_Type				0x0c46

  84. #define HCI_WRITE_EIR						0x0c52

  85. #define HCI_WRITE_SSP_MODE					0x0c56

  86. #define HCI_Read_Inquiry_Response_Transmit_Power_Level 0x0c58

  87. #define HCI_WRITE_LE_HOST_SUPPORTED			0x0c6d

  88. 

  89. #define HCI_Read_Local_Supported_Features	0x1003

  90. #define HCI_Read_Local_Extended_Features	0x1004

  91. #define HCI_Read_Buffer_Size				0x1005

  92. #define HCI_Read_BD_ADDR					0x1009

  93. #define HCI_Read_Local_Version_Information	0x1001

  94. #define HCI_Read_Local_Supported_Commands	0x1002

  95. 

  96. #define HCI_LE_SET_EVENT_MASK				0x2001

  97. #define HCI_LE_Read_Buffer_Size				0x2002

  98. #define HCI_LE_Read_Local_supported_Features 0x2003

  99. #define HCI_LE_READ_ADV_TX_POWER			0x2007

  100. #define HCI_LE_SET_ADV_DATA					0x2008

  101. #define HCI_LE_SET_SCAN_RSP_DATA			0x2009

  102. #define HCI_LE_READ_WHITE_LIST_SIZE			0x200f

  103. #define HCI_LE_CLEAR_WHITE_LIST				0x2010

  104. #define HCI_LE_Supported_States				0x201c

  105. 

  106. /* Bluetooth L2CAP PSM - see http://www.bluetooth.org/Technical/AssignedNumbers/logical_link.htm */

  107. #define HID_CTRL_PSM    0x11 // HID_Control PSM Value

  108. #define HID_INTR_PSM    0x13 // HID_Interrupt PSM Value

  109. 

  110. // Used For Connection Response 

  111. #define PENDING     0x01

  112. #define SUCCESSFUL  0x00

  113. 

  114. 

  115. /* L2CAP signaling commands */

  116. #define L2CAP_CMD_COMMAND_REJECT        0x01

  117. #define L2CAP_CMD_CONNECTION_REQUEST    0x02

  118. #define L2CAP_CMD_CONNECTION_RESPONSE   0x03

  119. #define L2CAP_CMD_CONFIG_REQUEST        0x04

  120. #define L2CAP_CMD_CONFIG_RESPONSE       0x05

  121. #define L2CAP_CMD_DISCONNECT_REQUEST    0x06

  122. #define L2CAP_CMD_DISCONNECT_RESPONSE   0x07

  123. #define L2CAP_CMD_INFORMATION_REQUEST   0x0A

  124. #define L2CAP_CMD_INFORMATION_RESPONSE  0x0B

  125. 

  126. #define HID_THDR_DATA_INPUT				0xa1 

  127. // HID stuff

  128. #define HID_BOOT_PROTOCOL           	0x00

  129. #define HID_RPT_PROTOCOL                0x01

  130. 

  131. /* HCI Events  */

  132. 	enum {EV_INQUIRY_COMPLETE= 0x01,EV_INQUIRY_RESULT= 0x02,EV_CONNECT_COMPLETE= 0x03,EV_INCOMING_CONNECT= 0x04,EV_DISCONNECT_COMPLETE= 0x05

  133. 		,EV_AUTHENTICATION_COMPLETE= 0x06,EV_REMOTE_NAME_COMPLETE= 0x07,EV_ENCRYPTION_CHANGE= 0x08,EV_CHANGE_CONNECTION_LINK= 0x09,EV_ROLE_CHANGED= 0x12

  134. 		,EV_NUM_COMPLETE_PKT= 0x13,EV_PIN_CODE_REQUEST= 0x16,EV_LINK_KEY_REQUEST= 0x17,EV_LINK_KEY_NOTIFICATION= 0x18,EV_DATA_BUFFER_OVERFLOW= 0x1A

  135. 		,EV_MAX_SLOTS_CHANGE= 0x1B,EV_READ_REMOTE_VERSION_INFORMATION_COMPLETE= 0x0C,EV_QOS_SETUP_COMPLETE= 0x0D,EV_COMMAND_COMPLETE= 0x0E,EV_COMMAND_STATUS= 0x0F

  136. 		,EV_LOOPBACK_COMMAND= 0x19,EV_PAGE_SCAN_REP_MODE= 0x20 };

  137. 

  138. 

  139. 

  140. 

  141. // different modes

  142. enum {PC_RESET = 1, PC_WRITE_CLASS_DEVICE, PC_READ_BDADDR, PC_READ_LOCAL_VERSION, 

  143. 			PC_SEND_INQUIRE, PC_INQUIRE_CANCEL=100, PC_AUTHENTICATION_REQUESTED=110, PC_LINK_KEY_NEGATIVE=120, PC_PIN_CODE_REPLY=130,

  144. 			PC_WRITE_SCAN_PAGE=200};

  145. //////////////

  146. 

  147. //////////////

  148. 

  149. // Setup some states for the TX pipe where we need to chain messages

  150. enum {STATE_TX_SEND_CONNECT_INT=200, STATE_TX_SEND_CONECT_RSP_SUCCESS, STATE_TX_SEND_CONFIG_REQ};

  151. 

  152. // This is a list of all the drivers inherited from the BTHIDInput class.

  153. // Unlike the list of USBDriver (managed in enumeration.cpp), drivers stay

  154. // on this list even when they have claimed a top level collection.

  155. BTHIDInput * BluetoothController::available_bthid_drivers_list = NULL;

  156. 

  157. void BluetoothController::driver_ready_for_bluetooth(BTHIDInput *driver)

  158. {

  159. 	driver->next = NULL;

  160. 	if (available_bthid_drivers_list == NULL) {

  161. 		available_bthid_drivers_list = driver;

  162. 	} else {

  163. 		BTHIDInput *last = available_bthid_drivers_list;

  164. 		while (last->next) last = last->next;

  165. 		last->next = driver;

  166. 	}

  167. }

  168. 

  169. // When a new top level collection is found, this function asks drivers

  170. // if they wish to claim it.  The driver taking ownership of the

  171. // collection is returned, or NULL if no driver wants it.

  172. BTHIDInput * BluetoothController::find_driver(uint32_t device_type)

  173. {

  174. 	Serial.printf("BluetoothController::find_driver");

  175. 	BTHIDInput *driver = available_bthid_drivers_list;

  176. 	while (driver) {

  177. 		Serial.printf("  driver %x\n", (uint32_t)driver);

  178. 		if (driver->claim_bluetooth(this, device_type)) {

  179. 			Serial.printf("    *** Claimed ***\n");

  180. 			return driver;

  181. 		}

  182. 		driver = driver->next;

  183. 	}

  184. 	return NULL;

  185. }

  186. 

  187. 

  188. /************************************************************/

  189. //  Initialization and claiming of devices & interfaces

  190. /************************************************************/

  191. 

  192. void BluetoothController::init()

  193. {

  194. 	contribute_Pipes(mypipes, sizeof(mypipes)/sizeof(Pipe_t));

  195. 	contribute_Transfers(mytransfers, sizeof(mytransfers)/sizeof(Transfer_t));

  196. 	contribute_String_Buffers(mystring_bufs, sizeof(mystring_bufs)/sizeof(strbuf_t));

  197. 	driver_ready_for_device(this);

  198. }

  199. 

  200. bool BluetoothController::claim(Device_t *dev, int type, const uint8_t *descriptors, uint32_t len)

  201. {

  202. 	// only claim at device level 

  203. 	println("BluetoothController claim this=", (uint32_t)this, HEX);

  204. 

  205. 	// Lets try to support the main USB Bluetooth class...

  206. 	// http://www.usb.org/developers/defined_class/#BaseClassE0h

  207. 	if (dev->bDeviceClass != 0xe0) return false;	// not base class wireless controller

  208. 	if ((dev->bDeviceSubClass != 1) || (dev->bDeviceProtocol != 1)) return false; // Bluetooth Programming Interface

  209. 	if (type != 0) return false;

  210. 

  211. 	DBGPrintf("BluetoothController claim this=%x vid:pid=%x:%x\n    ", (uint32_t)this, dev->idVendor,  dev->idProduct);

  212. 	if (len > 512) {

  213. 		DBGPrintf("  Descriptor length %d only showing first 512\n    ");

  214. 		len = 512;

  215. 	}	

  216. 	for (uint16_t i=0; i < len; i++) {

  217. 		DBGPrintf("%x ", descriptors[i]);

  218. 		if ((i & 0x3f) == 0x3f) DBGPrintf("\n    ");

  219. 	}

  220. 	DBGPrintf("\n  ");

  221. 

  222. 	// Lets try to process the first Interface and get the end points...

  223. 	// Some common stuff for both XBoxs

  224. 	uint32_t count_end_points = descriptors[4];

  225. 	if (count_end_points < 2) return false;

  226. 	uint32_t rxep = 0;

  227. 	uint32_t rx2ep = 0;

  228. 	uint32_t txep = 0;

  229. 	uint8_t rx_interval = 0;

  230. 	uint8_t rx2_interval = 0;

  231. 	uint8_t tx_interval = 0;

  232. 	rx_size_ = 0;

  233. 	rx2_size_ = 0;

  234. 	tx_size_ = 0;

  235. 	uint32_t descriptor_index = 9; 

  236. 	while (count_end_points-- /*&& ((rxep == 0) || txep == 0) */) {

  237. 		if (descriptors[descriptor_index] != 7) return false; // length 7

  238. 		if (descriptors[descriptor_index+1] != 5) return false; // ep desc

  239. 		if ((descriptors[descriptor_index+4] <= 64)

  240. 			&& (descriptors[descriptor_index+5] == 0)) {

  241. 			// have a bulk EP size 

  242. 			if (descriptors[descriptor_index+2] & 0x80 ) {

  243. 				if (descriptors[descriptor_index+3] == 3) 	{ // Interrupt

  244. 					rxep = descriptors[descriptor_index+2];

  245. 					rx_size_ = descriptors[descriptor_index+4];

  246. 					rx_interval = descriptors[descriptor_index+6];

  247. 				} else if  (descriptors[descriptor_index+3] == 2) 	{ // bulk

  248. 					rx2ep = descriptors[descriptor_index+2];

  249. 					rx2_size_ = descriptors[descriptor_index+4];

  250. 					rx2_interval = descriptors[descriptor_index+6];

  251. 				}

  252. 			} else {

  253. 				txep = descriptors[descriptor_index+2]; 

  254. 				tx_size_ = descriptors[descriptor_index+4];

  255. 				tx_interval = descriptors[descriptor_index+6];

  256. 			}

  257. 		}

  258. 		descriptor_index += 7;  // setup to look at next one...

  259. 	}

  260. 	if ((rxep == 0) || (txep == 0)) {

  261. 		Serial.printf("Bluetooth end points not found: %d %d\n", rxep, txep);

  262. 				return false; // did not find two end points.

  263. 	}

  264. 	DBGPrintf("    rxep=%d(%d) txep=%d(%d) rx2ep=%d(%d)\n", rxep&15, rx_size_, txep, tx_size_, 

  265. 		rx2ep&15, rx2_size_);

  266. 

  267. 	print("BluetoothController, rxep=", rxep & 15);

  268. 	print("(", rx_size_);

  269. 	print("), txep=", txep);

  270. 	print("(", tx_size_);

  271. 	println(")");

  272. 	rxpipe_ = new_Pipe(dev, 3, rxep & 15, 1, rx_size_, rx_interval);

  273. 	if (!rxpipe_) return false;

  274. 	txpipe_ = new_Pipe(dev, 3, txep, 0, tx_size_, tx_interval);

  275. 	if (!txpipe_) {

  276. 		//free_Pipe(rxpipe_);

  277. 		return false;

  278. 	}

  279. 	rx2pipe_ = new_Pipe(dev, 2, rx2ep & 15, 1, rx2_size_, rx2_interval);

  280. 	if (!rx2pipe_)  {

  281. 		// Free other pipes...

  282. 		return false;

  283. 	}

  284. 

  285. 	rxpipe_->callback_function = rx_callback;

  286. 	queue_Data_Transfer(rxpipe_, rxbuf_, rx_size_, this);

  287. 

  288. 	rx2pipe_->callback_function = rx2_callback;

  289. 	queue_Data_Transfer(rx2pipe_, rx2buf_, rx2_size_, this);

  290. 

  291. 	txpipe_->callback_function = tx_callback;

  292. 

  293. 	// Send out the reset

  294. 	device = dev; // yes this is normally done on return from this but should not hurt if we do it here.

  295. 	sendResetHCI();

  296. 	pending_control_ = PC_RESET; 

  297. 

  298. 	return true;

  299. }

  300. 

  301. 

  302. void BluetoothController::disconnect()

  303. {

  304. 	Serial.printf("Bluetooth Disconnect");

  305. 	if (device_driver_) {

  306. 		device_driver_->release_bluetooth();

  307. 		device_driver_ = nullptr;

  308. 	}

  309. }

  310. 

  311. 

  312. 

  313. void BluetoothController::control(const Transfer_t *transfer)

  314. {

  315. 	println("    control callback (bluetooth) ", pending_control_, HEX);

  316. #ifdef DEBUG_BT_VERBOSE

  317. 	DBGPrintf("    Control callback (bluetooth): %d : ", pending_control_);

  318. 	uint8_t *buffer = (uint8_t*)transfer->buffer;

  319. 	for (uint8_t i=0; i < transfer->length; i++) DBGPrintf("%x ", buffer[i]);

  320. 	DBGPrintf("\n");

  321. #endif

  322. }

  323. 

  324. /************************************************************/

  325. //  Interrupt-based Data Movement

  326. /************************************************************/

  327. 

  328. void BluetoothController::rx_callback(const Transfer_t *transfer)

  329. {

  330. 	if (!transfer->driver) return;

  331. 	((BluetoothController *)(transfer->driver))->rx_data(transfer);

  332. }

  333. 

  334. void BluetoothController::rx2_callback(const Transfer_t *transfer)

  335. {

  336. 	if (!transfer->driver) return;

  337. 	((BluetoothController *)(transfer->driver))->rx2_data(transfer);

  338. }

  339. 

  340. void BluetoothController::tx_callback(const Transfer_t *transfer)

  341. {

  342. 	if (!transfer->driver) return;

  343. 	((BluetoothController *)(transfer->driver))->tx_data(transfer);

  344. }

  345. 

  346. 

  347. void BluetoothController::rx_data(const Transfer_t *transfer)

  348. {

  349. 	uint32_t len = transfer->length - ((transfer->qtd.token >> 16) & 0x7FFF);

  350. 	print_hexbytes((uint8_t*)transfer->buffer, len);

  351. 	DBGPrintf("BT rx_data(%d): ", len);

  352. 	uint8_t *buffer = (uint8_t*)transfer->buffer;

  353. 	for (uint8_t i=0; i < len; i++) DBGPrintf("%x ", buffer[i]);

  354. 	DBGPrintf("\n");

  355. 

  356. 	// Note the logical packets returned from the device may be larger

  357. 	// than can fit in one of our packets, so we will detect this and

  358. 	// the next read will be continue in or rx_buf_ in the next logical 

  359. 	// location.  We will only go into process the next logical state

  360. 	// when we have the full response read in... 

  361. 	if (rx_packet_data_remaining == 0) {	// Previous command was fully handled

  362. 		rx_packet_data_remaining = rxbuf_[1] + 2;	// length of data plus the two bytes at start...

  363. 	}		

  364.     // Now see if the data 

  365.     rx_packet_data_remaining -= len;	// remove the length of this packet from length

  366. 

  367. 	if (rx_packet_data_remaining == 0) {	// read started at beginning of packet so get the total length of packet

  368. 	    switch(rxbuf_[0]) { // Switch on event type

  369. 		    case EV_COMMAND_COMPLETE: //0x0e

  370. 	        	handle_hci_command_complete();// Check if command succeeded

  371. 	            break;

  372.             case EV_COMMAND_STATUS:	//0x0f

  373.             	handle_hci_command_status();

  374.             	break;

  375. 			case EV_INQUIRY_COMPLETE: // 0x01

  376. 				handle_hci_inquiry_complete();

  377. 				break;

  378. 			case EV_INQUIRY_RESULT:	  // 0x02

  379. 				handle_hci_inquiry_result();

  380. 				break;

  381. 			case EV_CONNECT_COMPLETE:	// 0x03

  382. 				handle_hci_connection_complete();

  383. 				break;

  384. 			case EV_INCOMING_CONNECT:	// 0x04

  385. 				handle_hci_incoming_connect();

  386. 				break;

  387. 			case EV_DISCONNECT_COMPLETE: // 0x05

  388. 				handle_hci_disconnect_complete();

  389. 				break;

  390. 			case EV_AUTHENTICATION_COMPLETE:// 0x06

  391. 				handle_hci_authentication_complete();

  392. 				break;

  393. 			case EV_REMOTE_NAME_COMPLETE: // 0x07

  394. 				handle_hci_remote_name_complete();

  395. 				break;	

  396. 			case EV_PIN_CODE_REQUEST: // 0x16

  397. 				handle_hci_pin_code_request();

  398. 				break;

  399. 

  400. 			case EV_LINK_KEY_REQUEST:	// 0x17

  401. 				handle_hci_link_key_request();

  402. 				break;

  403. 			case EV_LINK_KEY_NOTIFICATION: // 0x18

  404. 				handle_hci_link_key_notification();	

  405. 			default:

  406. 				break;

  407. 	    }

  408. 		// Start read at start of buffer. 

  409. 		queue_Data_Transfer(rxpipe_, rxbuf_, rx_size_, this);

  410. 	} else {

  411. 		// Continue the read - Todo - maybe verify len == rx_size_

  412. 		queue_Data_Transfer(rxpipe_, buffer + rx_size_, rx_size_, this);

  413. 		return;		// Don't process the message yet as we still have data to receive. 

  414. 	}

  415. }

  416. 

  417. //===================================================================

  418. // Called when an HCI command completes.

  419. void BluetoothController::handle_hci_command_complete() 

  420. {

  421. 	uint16_t hci_command = rxbuf_[3] + (rxbuf_[4] << 8);

  422. 	uint8_t buffer_index;

  423.     if(!rxbuf_[5]) { 

  424.     	VDBGPrintf("    Command Completed! \n");

  425.     } else {

  426.     	VDBGPrintf("    Command(%x) Completed - Error: %d! \n", hci_command, rxbuf_[5]);

  427.     	// BUGBUG:: probably need to queue something? 

  428.     }

  429. 

  430. 	switch (hci_command) {

  431. 		case HCI_OP_REMOTE_NAME_REQ:

  432. 			break;

  433. 		case HCI_RESET:	//0x0c03

  434. 			if (!rxbuf_[5]) pending_control_ = PC_WRITE_CLASS_DEVICE;

  435. 			//  If it fails, will retry. maybe should have repeat max...  

  436. 			break;

  437. 		case HCI_Set_Event_Filter_Clear:	//0x0c05

  438. 			break;

  439. 		case HCI_Read_Local_Name:	//0x0c14

  440. 			// received name back... 

  441. 			{

  442. 				//BUGBUG:: probably want to grab string object and copy to 

  443. 				Serial.printf("    Local name: %s\n", &rxbuf_[6]);

  444. /*

  445. 				uint8_t len = rxbuf_[1]+2;	// Length field +2 for total bytes read

  446. 				for (uint8_t i=6; i < len; i++) {

  447. 					if (rxbuf_[i] == 0) {

  448. 						break;

  449. 					}

  450. 					Serial.printf("%c", rxbuf_[i]);

  451. 				}

  452. 				Serial.printf("\n"); */

  453. 			}

  454. 			break;

  455. 		case Write_Connection_Accept_Timeout:	//0x0c16

  456. 			break;

  457. 		case HCI_READ_CLASS_OF_DEVICE:	// 0x0c23

  458. 			break;

  459. 		case HCI_Read_Voice_Setting: 	//0x0c25

  460. 			break;

  461. 		case HCI_Read_Number_Of_Supported_IAC:	//0x0c38

  462. 			break;

  463. 		case HCI_Read_Current_IAC_LAP:	//0x0c39

  464. 			break;

  465. 		case HCI_WRITE_INQUIRY_MODE:	//0x0c45

  466. 			break;

  467. 		case HCI_Read_Inquiry_Response_Transmit_Power_Level: //0x0c58

  468. 			break;

  469. 		case HCI_Read_Local_Supported_Features:	//0x1003

  470. 			// Remember the features supported by local... 

  471. 			for (buffer_index = 0; buffer_index < 8; buffer_index++) {

  472. 				features[buffer_index] = rxbuf_[buffer_index+6];

  473. 			}

  474. 			break;

  475. 		case HCI_Read_Buffer_Size:	// 0x1005

  476. 			break;

  477. 		case HCI_Read_BD_ADDR:	//0x1009

  478. 			{

  479. 	     		DBGPrintf("   BD Addr");

  480. 	            for(uint8_t i = 0; i < 6; i++) {

  481. 	            	my_bdaddr[i] = rxbuf_[6 + i];

  482. 	            	DBGPrintf(":%x", my_bdaddr[i]);

  483. 	            }

  484. 				DBGPrintf("\n");

  485. 			}

  486. 			break;

  487. 		case HCI_Read_Local_Version_Information:	//0x1001

  488. 			hciVersion = rxbuf_[6];		// Should do error checking above... 

  489. 			DBGPrintf("    Local Version: %x\n", hciVersion);

  490. 			pending_control_ = (do_pair_device_)? PC_SEND_INQUIRE : PC_WRITE_SCAN_PAGE;

  491. 			break;

  492. 		case HCI_Read_Local_Supported_Commands:	//0x1002

  493. 			break;

  494. 		case HCI_LE_Read_Buffer_Size:	//0x2002

  495. 			break;

  496. 		case HCI_LE_Read_Local_supported_Features:	//0x2003

  497. 			break;

  498. 		case HCI_LE_Supported_States:	//0x201c

  499. 			break;

  500. 

  501. 		case HCI_Read_Local_Extended_Features:	//0x1004

  502. 			break;

  503. 		case HCI_Set_Event_Mask:					//0x0c01

  504. 			break;

  505. 		case HCI_Read_Stored_Link_Key:			//0x0c0d

  506. 			break;

  507. 		case HCI_Write_Default_Link_Policy_Settings:	//0x080f

  508. 			break;

  509. 		case HCI_Read_Page_Scan_Activity:			//0x0c1b

  510. 			break;

  511. 		case HCI_Read_Page_Scan_Type:				//0x0c46

  512. 			break;

  513. 		case HCI_LE_SET_EVENT_MASK:				//0x2001

  514. 			break;

  515. 		case HCI_LE_READ_ADV_TX_POWER:			//0x2007

  516. 			break;

  517. 		case HCI_LE_READ_WHITE_LIST_SIZE:			//0x200f

  518. 			break;

  519. 		case HCI_LE_CLEAR_WHITE_LIST:				//0x2010

  520. 			break;

  521. 		case HCI_DELETE_STORED_LINK_KEY:			//0x0c12

  522. 			break;

  523. 		case HCI_WRITE_LOCAL_NAME:				//0x0c13

  524. 			break;

  525. 		case HCI_WRITE_SCAN_ENABLE:				//0x0c1a

  526. 			break;

  527. 		case HCI_WRITE_SSP_MODE:					//0x0c56

  528. 			break;

  529. 		case HCI_WRITE_EIR:						//0x0c52

  530. 			break;

  531. 		case HCI_WRITE_LE_HOST_SUPPORTED:			//0x0c6d

  532. 			break;

  533. 		case HCI_LE_SET_SCAN_RSP_DATA:			//0x2009

  534. 			break;

  535. 	}

  536. 	// And queue up the next command

  537. 	queue_next_hci_command();

  538. }

  539. 

  540. void BluetoothController::queue_next_hci_command()

  541. {

  542. 	// Ok We completed a command now see if we need to queue another command

  543. 	// Still probably need to reorganize... 

  544.     switch (pending_control_) {

  545.     		// Initial setup states. 

  546.  		case PC_RESET: 

  547. 			sendResetHCI();

  548. 			break;

  549.     	case PC_WRITE_CLASS_DEVICE:

  550.     		sendHDCWriteClassOfDev();

  551.     		pending_control_++;

  552.     		break;

  553.      	case PC_READ_BDADDR:

  554. 			sendHCIReadBDAddr();

  555. 			pending_control_++;

  556. 			break;

  557. 

  558.      	case PC_READ_LOCAL_VERSION:

  559.      		sendHCIReadLocalVersionInfo();

  560. 			//pending_control_++;

  561. 			break;

  562. 

  563. 		// These are used when we are pairing. 	

  564. 		case PC_SEND_INQUIRE:

  565. 			sendHCI_INQUIRY();

  566. 			pending_control_++;

  567. 			break;

  568. 		case PC_INQUIRE_CANCEL:	

  569. 			// lets try to create a connection...

  570. 			sendHCICreateConnection();

  571. 			pending_control_++;

  572. 			break;

  573. 		case PC_AUTHENTICATION_REQUESTED:	

  574. 			break;

  575. 		case PC_LINK_KEY_NEGATIVE:

  576. 			break;

  577. 		case PC_PIN_CODE_REPLY:

  578. 			break;

  579. 

  580. 		// None Pair mode

  581. 		case PC_WRITE_SCAN_PAGE:

  582. 			sendHCIWriteScanEnable(2);

  583. 			pending_control_ = 0;	// 

  584. 			break;

  585. 

  586. #if 0

  587.     		sendHCIReadLocalSupportedFeatures();

  588. 			pending_control_++;

  589. 			break;

  590.      	case 4:

  591. 			sendHCIReadBufferSize();

  592. 			pending_control_++;

  593. 			break;

  594.      	case 5:

  595. 			sendHCIReadClassOfDevice();

  596. 			pending_control_++;

  597. 			break;

  598.      	case 6:

  599. 			sendHCIReadLocalName();

  600. 			pending_control_++;

  601. 			break;

  602. 		case 7:

  603. 			sendHCIReadVoiceSettings();

  604. 			pending_control_++;	// go to next state

  605. 

  606. 			break;

  607. 		case 8: 

  608. 			sendHCICommandReadNumberSupportedIAC();

  609. 			pending_control_++;

  610. 			break;

  611. 		case 9: 

  612. 			sendHCICommandReadCurrentIACLAP();

  613. 			pending_control_++;

  614. 			break;

  615. 		case 10: 

  616. 			sendHCIClearAllEventFilters();

  617. 			pending_control_++;

  618. 			break;

  619. 		case 11: 

  620. 			sendHCIWriteConnectionAcceptTimeout();

  621. 			pending_control_++;

  622. 			break;

  623. 		case 12:

  624. 			// 0x02 0x20 0x00 => 0x0E 0x07 0x01 0x02 0x20 0x00 0x00 0x00 0x00 (OGF=8???)

  625. 			sendHCILEReadBufferSize();

  626. 			pending_control_++;

  627. 			break;

  628. 		case 13:

  629. 			// 0x03 0x20 0x00 => 0x0E 0x0C 0x01 0x03 0x20 0x00 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00

  630. 			sendHCILEReadLocalSupportedFeatures();

  631. 			pending_control_++;

  632. 			break;

  633. 		case 14:

  634. 			// 0x1C 0x20 0x00 => 0x0E 0x0C 0x01 0x1C 0x20 0x00 0xFF 0xFF 0xFF 0x1F 0x00 0x00 0x00 0x00

  635. 			sendHCILEReadSupportedStates();

  636. 			pending_control_++;

  637. 			break;

  638. 		case 15:

  639. 			sendHCIReadLocalSupportedCommands();

  640. 			pending_control_++;

  641. 			break;

  642. 			// Try skipping...

  643. 			// 0x52 0x0C 0xF1 0x00 0x00 ... <several lines of 0x00

  644. 		case 16:

  645. 			// 0x45 0x0C 0x01 0x02

  646. 			sendHCIWriteInquiryMode();

  647. 			pending_control_++;

  648. 			break;

  649. 		case 17: 

  650. 			sendHCIReadInquiryResponseTransmitPowerLevel();

  651. 			pending_control_++;

  652. 			break;

  653. 

  654. 		case 18:

  655. 			sendHCIReadLocalExtendedFeatures(1);//	0x1004

  656. 			pending_control_++;

  657. 			break;

  658. 		case 19:

  659. 			sendHCISetEventMask();//					0x0c01

  660. 			pending_control_++;

  661. 			break;

  662. 		case 20:

  663. 			sendHCIReadStoredLinkKey();//			0x0c0d

  664. 			pending_control_++;

  665. 			break;

  666. 		case 21:

  667. 			sendHCIWriteDefaultLinkPolicySettings();//	0x080f

  668. 			pending_control_++;

  669. 			break;

  670. 		case 22:

  671. 			sendHCIReadPageScanActivity();//			0x0c1b

  672. 			pending_control_++;

  673. 			break;

  674. 		case 23:

  675. 			sendHCIReadPageScanType();//				0x0c46

  676. 			pending_control_++;

  677. 			break;

  678. 		case 24:

  679. 			sendHCILESetEventMask();//				0x2001

  680. 			pending_control_++;

  681. 			break;

  682. 		case 25:

  683. 			sendHCILEReadADVTXPower();//			0x2007

  684. 			pending_control_++;

  685. 			break;

  686. 		case 26:

  687. 			sendHCIEReadWhiteListSize();//			0x200f

  688. 			pending_control_++;

  689. 			break;

  690. 		case 27:

  691. 			sendHCILEClearWhiteList();//				0x2010

  692. 			pending_control_++;

  693. 			break;

  694. 		case 28:

  695. 			sendHCIDeleteStoredLinkKey();//			0x0c12

  696. 			pending_control_++;

  697. 			break;

  698. 		case 29:

  699. 			sendHCIWriteLocalName();//				0x0c13

  700. 			pending_control_++;

  701. 			break;

  702. 		case 30:

  703. 			sendHCIWriteScanEnable(2);//				0x0c1a (0=off, 1=scan, 2=page)

  704. 			pending_control_++;

  705. 			break;

  706. 		case 31:

  707. 			sendHCIWriteSSPMode(1);//					0x0c56

  708. 			pending_control_++;

  709. 			break;

  710. 		case 32:

  711. 			sendHCIWriteEIR();//						0x0c52

  712. 			pending_control_++;

  713. 			break;

  714. 		case 33:

  715. 			sendHCIWriteLEHostSupported();//			0x0c6d

  716. 			pending_control_++;

  717. 			break;

  718. 		case 34:

  719. 			sendHCILESetAdvData();//			0x2008

  720. 			pending_control_++;

  721. 			break;

  722. 		case 35:

  723. 			sendHCILESetScanRSPData();//			0x2009

  724. 			pending_control_++;

  725. 			break;

  726. 

  727. 		case 36:

  728. #endif

  729. 

  730. 

  731. 

  732. // 0x09 0x20 0x20 0x0D 0x0C 0x09 0x72 0x61 0x73 0x70 0x62 0x65 0x72 0x72 0x79 0x70 0x69 0x00 0x00 0...

  733. 

  734. 		default:	

  735. 			break;

  736.     }

  737. 

  738. }

  739. 

  740. 

  741. void BluetoothController::handle_hci_command_status() 

  742. {

  743. 	// <event type><param count><status><num packets allowed to be sent><CMD><CMD>

  744. 	uint16_t hci_command = rxbuf_[4] + (rxbuf_[5] << 8);

  745. 	VDBGPrintf("    Command %x Status %x\n", hci_command, rxbuf_[2]);

  746. 

  747. /*	switch (hci_command) {

  748. 		case HCI_RESET:	//0x0c03

  749. 			break;

  750. 		case HCI_INQUIRY:

  751. 			// will probably need to check status and break out of here if error

  752. 			//BT rx_data(6): f 4 0 1 1 4 

  753. 

  754. 	}

  755. */	

  756. }

  757. 

  758. void BluetoothController::handle_hci_inquiry_result() 

  759. {

  760. 	// 2 f 1 79 22 23 a c5 cc 1 2 0 40 25 0 3b 2 

  761. 	// Wondered if multiple items if all of the BDADDR are first then next field...

  762. 	// looks like it is that way...

  763. 	// Section 7.7.2

  764. 	DBGPrintf("    Inquiry Result - Count: %d\n", rxbuf_[2]);

  765. 	for (uint8_t i=0; i < rxbuf_[2]; i++) {

  766. 		uint8_t index_bd = 3 + (i*6);

  767. 		uint8_t index_ps = 3 + (6*rxbuf_[2]) + i;

  768. 		uint8_t index_class = 3 + (9*rxbuf_[2]) + i;

  769. 		uint8_t index_clock_offset = 3 + (12*rxbuf_[2]) + i;

  770. 		uint32_t bluetooth_class = rxbuf_[index_class] + ((uint32_t)rxbuf_[index_class+1] << 8) + ((uint32_t)rxbuf_[index_class+2] << 16);

  771. 		DBGPrintf("      BD:%x:%x:%x:%x:%x:%x, PS:%d, class: %x\n", 

  772. 			rxbuf_[index_bd],rxbuf_[index_bd+1],rxbuf_[index_bd+2],rxbuf_[index_bd+3],rxbuf_[index_bd+4],rxbuf_[index_bd+5],

  773. 			rxbuf_[index_ps], bluetooth_class);

  774. 		// See if we know the class 

  775. 		if ((bluetooth_class & 0xff00) == 0x2500) {

  776. 			DBGPrintf("      Peripheral device\n");

  777. 			if (bluetooth_class & 0x80) DBGPrintf("        Mouse\n");

  778. 			if (bluetooth_class & 0x40) DBGPrintf("        Keyboard\n"); 

  779. 

  780. 			// BUGBUG, lets hard code to go to new state...

  781. 			for (uint8_t i = 0; i < 6; i++) device_bdaddr_[i] = rxbuf_[index_bd+i];

  782. 			device_class_ = bluetooth_class;

  783. 			device_driver_ = find_driver(device_class_);

  784. 

  785.     		device_ps_repetion_mode_  = rxbuf_[index_ps]; // mode

  786.     		device_clock_offset_[0] = rxbuf_[index_clock_offset];

  787.     		device_clock_offset_[1] = rxbuf_[index_clock_offset+1];

  788. 

  789. 			// Now we need to bail from inquiry and setup to try to connect...

  790. 			sendHCIInquiryCancel();

  791. 			pending_control_ = PC_INQUIRE_CANCEL;

  792. 			break;

  793. 		}

  794. 	}

  795. }

  796. 

  797. void BluetoothController::handle_hci_inquiry_complete() {

  798. 	VDBGPrintf("    Inquiry Complete - status: %d\n", rxbuf_[2]);

  799. }

  800. 

  801. void BluetoothController::handle_hci_connection_complete() {

  802. 	//  0  1  2  3  4  5  6  7  8 9  10 11 12

  803. 	//       ST CH CH BD BD BD BD BD BD LT EN

  804. 	// 03 0b 04 00 00 40 25 00 58 4b 00 01 00 

  805. 	device_connection_handle_ = rxbuf_[3]+ (uint16_t)(rxbuf_[4]<<8);

  806. 	DBGPrintf("    Connection Complete - ST:%x LH:%x\n", rxbuf_[2], device_connection_handle_);

  807. 	if (do_pair_device_) {

  808. 		sendHCIAuthenticationRequested();

  809. 		pending_control_ = PC_AUTHENTICATION_REQUESTED;

  810. 	}

  811. }

  812. 

  813. void BluetoothController::handle_hci_incoming_connect() {

  814. 	//           BD    BD   BD    BD  BD   BD  CL    CL    CL  LT

  815. 	// 0x04 0x0A 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x40 0x05 0x00 0x01

  816. 	uint32_t class_of_device  = rxbuf_[8] + (uint16_t)(rxbuf_[9]<<8) + (uint32_t)(rxbuf_[10]<<16);

  817. 	DBGPrintf("    Event: Incoming Connect -  %x:%x:%x:%x:%x:%x CL:%x LT:%x\n", 

  818. 		rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7], class_of_device, rxbuf_[11]);

  819. 	if (((class_of_device & 0xff00) == 0x2500) || ((class_of_device & 0xff00) == 0x500)) {

  820. 		DBGPrintf("      Peripheral device\n");

  821. 		if (class_of_device & 0x80) DBGPrintf("        Mouse\n");

  822. 		if (class_of_device & 0x40) DBGPrintf("        Keyboard\n"); 

  823. 		device_driver_ = find_driver(class_of_device);

  824. 

  825. 		// We need to save away the BDADDR and class link type?

  826. 		for(uint8_t i=0; i<6; i++) device_bdaddr_[i] = rxbuf_[i+2];

  827. 		device_class_ = class_of_device;	

  828. 		sendHCIRemoteNameRequest();

  829. 	}

  830. 

  831. //	sendHCIAuthenticationRequested();

  832. //	pending_control_ = PC_AUTHENTICATION_REQUESTED;

  833. }

  834. 

  835. 

  836. void BluetoothController::handle_hci_pin_code_request() {

  837. 	// 0x16 0x06 0x79 0x22 0x23 0x0A 0xC5 0xCC

  838. 	DBGPrintf("    Event: Pin Code Request %x:%x:%x:%x:%x:%x\n", 

  839. 		rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7]);

  840. 	sendHCIPinCodeReply();

  841. 	pending_control_ = PC_PIN_CODE_REPLY;

  842. }

  843. 

  844. void BluetoothController::handle_hci_link_key_request() {

  845. 	// 17 6 79 22 23 a c5 cc 

  846. 	DBGPrintf("    Event: Link Key Request %x:%x:%x:%x:%x:%x\n", 

  847. 		rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7]);

  848. 

  849. 	// Now here is where we need to decide to say we have key or tell them to 

  850. 	// cancel key...  right now hard code to cancel...

  851. 	sendHCILinkKeyNegativeReply();

  852. 	pending_control_ = PC_LINK_KEY_NEGATIVE;

  853. }

  854. 

  855. void BluetoothController::handle_hci_link_key_notification() {

  856. 	// 0   1  2  3  4 5  6  7  8  9 10  1  2  3  4  5  6  7  8  9 20  1  2  3 4

  857. 	// 18 17 79 22 23 a c5 cc 5e 98 d4 5e bb 15 66 da 67 fe 4f 87 2b 61 46 b4 0 

  858. 	DBGPrintf("    Event: Link Key Notificaton %x:%x:%x:%x:%x:%x Type:%x\n    key:", 

  859. 		rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7], rxbuf_[24]);

  860. 	for (uint8_t i = 8; i < 24; i++) DBGPrintf("%02x ", rxbuf_[i]);

  861. 	DBGPrintf("\n");

  862. 

  863. 	// Now here is where we need to decide to say we have key or tell them to 

  864. 	// cancel key...  right now hard code to cancel...

  865. 

  866. }

  867. 

  868. void BluetoothController::handle_hci_disconnect_complete()

  869. {

  870. 	//5 4 0 48 0 13

  871. 	DBGPrintf("    Event: HCI Disconnect complete(%d): handle: %x, reason:%x\n", rxbuf_[2], 

  872. 		rxbuf_[3]+(rxbuf_[4]<<8), rxbuf_[5]);

  873. 	if (device_driver_) {

  874. 		device_driver_->release_bluetooth();

  875. 		device_driver_ = nullptr;

  876. 	}

  877. 	// Probably should clear out connection data. 

  878. 	device_class_ = 0;	

  879. 	memset(device_bdaddr_, 0, sizeof(device_bdaddr_));

  880. 	//... 

  881. }

  882. 

  883. void BluetoothController::handle_hci_authentication_complete()

  884. {

  885. 	//  6 3 13 48 0

  886. 	DBGPrintf("    Event: HCI Authentication complete(%d): handle: %x\n", rxbuf_[2], 

  887. 		rxbuf_[3]+(rxbuf_[4]<<8));

  888. 	// Start up lcap connection...

  889. 	connection_rxid_ = 0;

  890. 	sendl2cap_ConnectionRequest(device_connection_handle_, connection_rxid_, control_dcid_, HID_CTRL_PSM);

  891. }

  892. 

  893. void BluetoothController::handle_hci_remote_name_complete() {

  894. 	//           STAT bd   bd   bd   bd    bd  bd

  895. 	// 0x07 0xFF 0x00 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x42 0x6C 0x75 0x65 0x74 0x6F 0x6F ...

  896. 	DBGPrintf("    Event: handle_hci_remote_name_complete(%d)\n", rxbuf_[2]);

  897. 	if (rxbuf_[2] == 0) {

  898. 		DBGPrintf("    Remote Name: ");

  899. 		for (uint8_t *psz = &rxbuf_[9]; *psz; psz++) DBGPrintf("%c", *psz);

  900. 		DBGPrintf("\n");

  901. 	}

  902. 	// Lets now try to accept the connection. 

  903. 	sendHCIAcceptConnectionRequest();

  904. }

  905. 

  906. 

  907. void BluetoothController::rx2_data(const Transfer_t *transfer)

  908. {

  909. 	uint32_t len = transfer->length - ((transfer->qtd.token >> 16) & 0x7FFF);

  910. 	DBGPrintf("\n=====================\nBT rx2_data(%d): ", len);

  911. 	uint8_t *buffer = (uint8_t*)transfer->buffer;

  912. 	for (uint8_t i=0; i < len; i++) DBGPrintf("%x ", buffer[i]);

  913. 	DBGPrintf("\n");

  914. 

  915. 	// call backs.  See if this is an L2CAP reply. example

  916. 	//  HCI      | l2cap 

  917. 	//48 20 10 0 | c 0 1 0 | 3 0 8 0 44 0 70 0 0 0 0 0

  918. 	// BUGBUG need to do more verification, like the handle

  919. 	uint16_t hci_length = buffer[2] + ((uint16_t)buffer[3]<<8);

  920. 	uint16_t l2cap_length = buffer[4] + ((uint16_t)buffer[5]<<8);

  921. //	uint16_t rsp_packet_length = buffer[10] + ((uint16_t)buffer[11]<<8);

  922. 	if ((hci_length == (l2cap_length + 4)) /*&& (hci_length == (rsp_packet_length+8))*/) {

  923. 		// All the lengths appear to be correct...  need to do more...

  924. 		switch (buffer[8]) {

  925. 			case L2CAP_CMD_CONNECTION_REQUEST:

  926. 				process_l2cap_connection_request(&buffer[8]);

  927. 				break;

  928. 			case L2CAP_CMD_CONNECTION_RESPONSE:

  929. 				process_l2cap_connection_response(&buffer[8]);

  930. 				break;

  931. 			case L2CAP_CMD_CONFIG_REQUEST:

  932. 				process_l2cap_config_reequest(&buffer[8]);

  933. 				break;

  934. 			case L2CAP_CMD_CONFIG_RESPONSE:

  935. 				process_l2cap_config_response(&buffer[8]);

  936. 				break;

  937. 

  938. 			case HID_THDR_DATA_INPUT:

  939. 				handleHIDTHDRData(buffer);	// Pass the whole buffer...

  940. 				break;

  941. 		}

  942. 	}

  943. 

  944. 

  945. 	

  946. 	

  947. 

  948. 	// Queue up for next read...

  949. 	queue_Data_Transfer(rx2pipe_, rx2buf_, rx2_size_, this);

  950. }

  951. 

  952. 

  953. void BluetoothController::sendHCICommand(uint16_t hciCommand, uint16_t cParams, const uint8_t* data)

  954. {

  955. 	txbuf_[0] = hciCommand & 0xff;

  956. 	txbuf_[1] = (hciCommand >> 8) & 0xff;

  957. 	txbuf_[2] = cParams;

  958. 	if (cParams) {

  959. 		memcpy(&txbuf_[3], data, cParams);	// copy in the commands parameters.

  960. 	}

  961. 	uint8_t nbytes = cParams+3;

  962. 	for (uint8_t i=0; i< nbytes; i++) DBGPrintf("%02x ", txbuf_[i]);

  963. 	DBGPrintf(")\n");

  964. 	mk_setup(setup, 0x20, 0x0, 0, 0, nbytes);

  965. 	queue_Control_Transfer(device, &setup, txbuf_, this);

  966. }

  967. 

  968. //---------------------------------------------

  969. void BluetoothController::sendHCI_INQUIRY() {

  970. 	// Start unlimited inqury, set timeout to max and 

  971. 	DBGPrintf("HCI_INQUIRY called (");

  972. 	static const uint8_t hci_inquiry_data[ ] = {

  973. 			0x33, 0x8B, 0x9E, 	// Bluetooth assigned number LAP 0x9E8B33 General/unlimited inquiry Access mode

  974. 			0x30, 0xa};			// Max inquiry time little over minute and up to 10 responses

  975. 	sendHCICommand(HCI_INQUIRY, sizeof(hci_inquiry_data), hci_inquiry_data);	

  976. }

  977. 

  978. //---------------------------------------------

  979. void BluetoothController::sendHCIInquiryCancel() {

  980. 	DBGPrintf("HCI_INQUIRY_CANCEL called (");

  981. 	sendHCICommand(HCI_INQUIRY_CANCEL, 0, nullptr);	

  982. }

  983. 

  984. //---------------------------------------------

  985. void BluetoothController::sendHCICreateConnection() {

  986. 	DBGPrintf("HCI_CREATE_CONNECTION called (");

  987. 	uint8_t connection_data[13];

  988. 	//  0    1    2    3    4    5    6    7    8   9    10   11   12

  989. 	// BD   BD   BD   BD   BD   BD   PT   PT  PRS   0    CS   CS   ARS

  990. 	//0x79 0x22 0x23 0x0A 0xC5 0xCC 0x18 0xCC 0x01 0x00 0x00 0x00 0x00

  991. 	//0x05 0x04 0x0D 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x18 0xCC 0x01 0x00 0x00 0x00 0x00

  992. 	//  05   04   0d   40   25   00   c4   01   00   18   cc   01   00   00 00     00 

  993. 

  994. 	for (uint8_t i=0; i<6; i++) connection_data[i] = device_bdaddr_[i];

  995. 	connection_data[6] = 0x18; //DM1/DH1

  996. 	connection_data[7] = 0xcc; //

  997. 	connection_data[8] = device_ps_repetion_mode_;  // from device

  998. 	connection_data[9] = 0;	//

  999. 	connection_data[10] = 0;  // clock offset 

  1000. 	connection_data[11] = 0;  // clock offset 

  1001. 	connection_data[12] = 0;  // allow role swith no 

  1002. 	sendHCICommand(HCI_CREATE_CONNECTION, sizeof(connection_data), connection_data);	

  1003. }

  1004. 

  1005. //---------------------------------------------

  1006. void BluetoothController::sendHCIAcceptConnectionRequest() {

  1007. 	DBGPrintf("HCI_OP_ACCEPT_CONN_REQ called (");

  1008. 	uint8_t connection_data[7];

  1009. 

  1010. 	//  0    1    2    3    4    5    6    7    8   9    10   11   12

  1011. 	//  BD   BD   BD   BD   BD   BD  role 

  1012. 	//0x79 0x22 0x23 0x0A 0xC5 0xCC 0x00

  1013. 	for (uint8_t i=0; i<6; i++) connection_data[i] = device_bdaddr_[i];

  1014. 	connection_data[6] = 0; // Role as master

  1015. 	sendHCICommand(HCI_OP_ACCEPT_CONN_REQ, sizeof(connection_data), connection_data);	

  1016. }

  1017. 

  1018. //---------------------------------------------

  1019. void BluetoothController::sendHCIAuthenticationRequested() {

  1020. 	DBGPrintf("HCI_AUTH_REQUESTED called (");

  1021. 	uint8_t connection_data[2];

  1022. 	connection_data[0] = device_connection_handle_ & 0xff;

  1023. 	connection_data[1] = (device_connection_handle_>>8) & 0xff;

  1024. 	sendHCICommand(HCI_AUTH_REQUESTED, sizeof(connection_data), connection_data);	

  1025. }

  1026. 

  1027. //---------------------------------------------

  1028. void BluetoothController::sendHCILinkKeyNegativeReply() {

  1029. 	DBGPrintf("HCI_LINK_KEY_NEG_REPLY called (");

  1030. 	uint8_t connection_data[6];

  1031. 	for (uint8_t i=0; i<6; i++) connection_data[i] = device_bdaddr_[i];

  1032. 	sendHCICommand(HCI_LINK_KEY_NEG_REPLY, sizeof(connection_data), connection_data);	

  1033. }

  1034. 

  1035. //---------------------------------------------

  1036. // BUGBUG:: hard code string for this pass.

  1037. 

  1038. void BluetoothController::sendHCIPinCodeReply() {

  1039. 	// 0x0D 0x04 0x17 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x04 0x30 0x30 0x30 0x30 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00

  1040. 	DBGPrintf("HCI_PIN_CODE_REPLY called (");

  1041. 	uint8_t connection_data[23];

  1042. 	uint8_t i;

  1043. 

  1044. 	for (i=0; i<6; i++) connection_data[i] = device_bdaddr_[i];

  1045. 

  1046. 	for (i=0; pair_pincode_[i] !=0; i++) connection_data[7+i] = pair_pincode_[i];

  1047. 	connection_data[6] = i; // remember the length	

  1048. 	for (uint8_t i=7+connection_data[6]; i<23; i++) connection_data[i] = 0;

  1049. 	sendHCICommand(HCI_PIN_CODE_REPLY, sizeof(connection_data), connection_data);	

  1050. }

  1051. 

  1052. //---------------------------------------------

  1053. void BluetoothController::sendResetHCI() {

  1054. 	DBGPrintf("HCI_RESET called (");

  1055. 	sendHCICommand(HCI_RESET, 0, nullptr);	

  1056. }

  1057. 

  1058. void BluetoothController::sendHDCWriteClassOfDev() {

  1059. 	// 0x24 0x0C 0x03 0x04 0x08 0x00

  1060. 	const static uint8_t device_class_data[] = {BT_CLASS_DEVICE & 0xff, (BT_CLASS_DEVICE >> 8) & 0xff, (BT_CLASS_DEVICE >> 16) & 0xff};

  1061. 	DBGPrintf("HCI_WRITE_CLASS_OF_DEV called (");

  1062. 	sendHCICommand(HCI_WRITE_CLASS_OF_DEV, sizeof(device_class_data), device_class_data);	

  1063. }

  1064. 

  1065. 

  1066. 

  1067. void BluetoothController::sendHCIReadBDAddr() {

  1068. 	DBGPrintf("HCI_Read_BD_ADDR called (");

  1069. 	sendHCICommand(HCI_Read_BD_ADDR, 0, nullptr);	

  1070. }

  1071. 

  1072. void BluetoothController::sendHCIReadLocalVersionInfo() {

  1073. 	DBGPrintf("HCI_Read_Local_Version_Information called (");

  1074. 	sendHCICommand(HCI_Read_Local_Version_Information, 0, nullptr);	

  1075. }

  1076. 

  1077. 

  1078. void BluetoothController::sendHCIWriteScanEnable(uint8_t scan_op)	{//				0x0c1a

  1079. // 0x1A 0x0C 0x01 0x02

  1080. 	DBGPrintf("HCI_WRITE_SCAN_ENABLE called(");

  1081. 	sendHCICommand(HCI_WRITE_SCAN_ENABLE, 1, &scan_op);

  1082. }

  1083. 

  1084. void BluetoothController::sendHCIRemoteNameRequest() {		// 0x0419

  1085. 	//               BD   BD   BD   BD   BD   BD   PS   0    CLK   CLK

  1086. 	//0x19 0x04 0x0A 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x01 0x00 0x00 0x00

  1087. 

  1088. 	DBGPrintf("HCI_OP_REMOTE_NAME_REQ called (");

  1089. 	uint8_t connection_data[10];

  1090. 	for (uint8_t i=0; i<6; i++) connection_data[i] = device_bdaddr_[i];

  1091. 	connection_data[6] = 1;	// page scan repeat mode...

  1092. 	connection_data[7] = 0;	 // 0

  1093. 	connection_data[8] = 0;	// Clk offset

  1094. 	connection_data[9] = 0; 

  1095. 	sendHCICommand(HCI_OP_REMOTE_NAME_REQ, sizeof(connection_data), connection_data);	

  1096. }

  1097. 

  1098. 

  1099. // l2cap support functions. 

  1100. void BluetoothController::sendl2cap_ConnectionResponse(uint16_t handle, uint8_t rxid, uint16_t dcid, uint16_t scid, uint8_t result) {

  1101.  	uint8_t l2capbuf[12];

  1102.     l2capbuf[0] = L2CAP_CMD_CONNECTION_RESPONSE; // Code

  1103.     l2capbuf[1] = rxid; // Identifier

  1104.     l2capbuf[2] = 0x08; // Length

  1105.     l2capbuf[3] = 0x00;

  1106.     l2capbuf[4] = dcid & 0xff; // Destination CID

  1107.     l2capbuf[5] = dcid >> 8;

  1108.     l2capbuf[6] = scid & 0xff; // Source CID

  1109.     l2capbuf[7] = scid >> 8;

  1110.     l2capbuf[8] = result; // Result: Pending or Success

  1111.     l2capbuf[9] = 0x00;

  1112.     l2capbuf[10] = 0x00; // No further information

  1113.     l2capbuf[11] = 0x00;

  1114. 

  1115. 	DBGPrintf("L2CAP_CMD_CONNECTION_RESPONSE called(");

  1116.     sendL2CapCommand(handle, l2capbuf, sizeof(l2capbuf));

  1117. }

  1118. 

  1119. 

  1120. 

  1121. void BluetoothController::sendl2cap_ConnectionRequest(uint16_t handle, uint8_t rxid, uint16_t scid, uint16_t psm) {

  1122.  	uint8_t l2capbuf[8];

  1123.     l2capbuf[0] = L2CAP_CMD_CONNECTION_REQUEST; // Code

  1124.     l2capbuf[1] = rxid; // Identifier

  1125.     l2capbuf[2] = 0x04; // Length

  1126.     l2capbuf[3] = 0x00;

  1127.     l2capbuf[4] = (uint8_t)(psm & 0xff); // PSM

  1128.     l2capbuf[5] = (uint8_t)(psm >> 8);

  1129.     l2capbuf[6] = scid & 0xff; // Source CID

  1130.     l2capbuf[7] = (scid >> 8) & 0xff;

  1131. 

  1132. 	DBGPrintf("L2CAP_ConnectionRequest called(");

  1133.     sendL2CapCommand(handle, l2capbuf, sizeof(l2capbuf));

  1134. }

  1135. 

  1136. void BluetoothController::sendl2cap_ConfigRequest(uint16_t handle, uint8_t rxid, uint16_t dcid) {

  1137. 	 	uint8_t l2capbuf[12];

  1138.         l2capbuf[0] = L2CAP_CMD_CONFIG_REQUEST; // Code

  1139.         l2capbuf[1] = rxid; // Identifier

  1140.         l2capbuf[2] = 0x08; // Length

  1141.         l2capbuf[3] = 0x00;

  1142.         l2capbuf[4] = dcid & 0xff; // Destination CID

  1143.         l2capbuf[5] = (dcid >> 8) & 0xff;

  1144.         l2capbuf[6] = 0x00; // Flags

  1145.         l2capbuf[7] = 0x00;

  1146.         l2capbuf[8] = 0x01; // Config Opt: type = MTU (Maximum Transmission Unit) - Hint

  1147.         l2capbuf[9] = 0x02; // Config Opt: length

  1148.         l2capbuf[10] = 0xFF; // MTU

  1149.         l2capbuf[11] = 0xFF;

  1150. 

  1151. 		DBGPrintf("L2CAP_ConfigRequest called(");

  1152.         sendL2CapCommand(handle, l2capbuf, sizeof(l2capbuf));

  1153. }

  1154. 

  1155. void BluetoothController::sendl2cap_ConfigResponse(uint16_t handle, uint8_t rxid, uint16_t scid) {

  1156. 	 	uint8_t l2capbuf[14];

  1157.         l2capbuf[0] = L2CAP_CMD_CONFIG_RESPONSE; // Code

  1158.         l2capbuf[1] = rxid; // Identifier

  1159.         l2capbuf[2] = 0x0A; // Length

  1160.         l2capbuf[3] = 0x00;

  1161.         l2capbuf[4] = scid & 0xff; // Source CID

  1162.         l2capbuf[5] = (scid >> 8) & 0xff;

  1163.         l2capbuf[6] = 0x00; // Flag

  1164.         l2capbuf[7] = 0x00;

  1165.         l2capbuf[8] = 0x00; // Result

  1166.         l2capbuf[9] = 0x00;

  1167.         l2capbuf[10] = 0x01; // Config

  1168.         l2capbuf[11] = 0x02;

  1169.         l2capbuf[12] = 0xA0;

  1170.         l2capbuf[13] = 0x02;

  1171. 

  1172. 		DBGPrintf("L2CAP_ConfigResponse called(");

  1173.         sendL2CapCommand(handle, l2capbuf, sizeof(l2capbuf));

  1174. }

  1175. 

  1176. 

  1177. //*******************************************************************

  1178. //*******************************************************************

  1179. void BluetoothController::tx_data(const Transfer_t *transfer)

  1180. {

  1181. 	println("    tx_data(bluetooth) ", pending_control_, HEX);

  1182. #ifdef DEBUG_BT_VERBOSE

  1183. 	DBGPrintf("tx_data callback (bluetooth): %d : ", pending_control_tx_);

  1184. 	uint8_t *buffer = (uint8_t*)transfer->buffer;

  1185. 	for (uint8_t i=0; i < transfer->length; i++) DBGPrintf("%x ", buffer[i]);

  1186. 	DBGPrintf("\n");

  1187. #endif

  1188. 	switch (pending_control_tx_) {

  1189. 		case STATE_TX_SEND_CONNECT_INT:

  1190. 		connection_rxid_++;

  1191. 		sendl2cap_ConnectionRequest(device_connection_handle_, connection_rxid_, interrupt_dcid_, HID_INTR_PSM);

  1192. 		pending_control_tx_ = 0;

  1193. 		break;

  1194. 	case STATE_TX_SEND_CONECT_RSP_SUCCESS:

  1195. 		delay(1);

  1196. 		// Tell the device we are ready

  1197. 		sendl2cap_ConnectionResponse(device_connection_handle_, connection_rxid_++, control_dcid_, control_scid_, SUCCESSFUL);

  1198. 		pending_control_tx_ = STATE_TX_SEND_CONFIG_REQ;

  1199. 		break;

  1200. 	case STATE_TX_SEND_CONFIG_REQ:

  1201. 		delay(1);

  1202. 		sendl2cap_ConfigRequest(device_connection_handle_, connection_rxid_, control_scid_);

  1203. 		pending_control_tx_ = 0;

  1204. 		break;

  1205. 	}

  1206. }

  1207. 

  1208. 

  1209. //*******************************************************************

  1210. //                                                                 

  1211. // HCI ACL Packets

  1212. // HCI Handle Low, HCI_Handle_High (PB, BC), Total length low, TLH  - HCI ACL Data packet

  1213. // length Low, length high, channel id low, channel id high - L2CAP header

  1214. // code, identifier, length, ... - Control-frame 

  1215. 

  1216. /************************************************************/

  1217. /*                    L2CAP Commands                        */

  1218. 

  1219. void BluetoothController::sendL2CapCommand(uint16_t handle, uint8_t* data, uint8_t nbytes, uint8_t channelLow, uint8_t channelHigh)

  1220. {

  1221.     txbuf_[0] = handle & 0xff; // HCI handle with PB,BC flag

  1222.     txbuf_[1] = (((handle >> 8) & 0x0f) | 0x20);

  1223.     txbuf_[2] = (uint8_t)((4 + nbytes) & 0xff); // HCI ACL total data length

  1224.     txbuf_[3] = (uint8_t)((4 + nbytes) >> 8);

  1225.     txbuf_[4] = (uint8_t)(nbytes & 0xff); // L2CAP header: Length

  1226.     txbuf_[5] = (uint8_t)(nbytes >> 8);

  1227.     txbuf_[6] = channelLow;

  1228.     txbuf_[7] = channelHigh;

  1229. 	if (nbytes) {

  1230. 		memcpy(&txbuf_[8], data, nbytes);	// copy in the commands parameters.

  1231. 	}

  1232. 	nbytes = nbytes+8;

  1233. 	for (uint8_t i=0; i< nbytes; i++) DBGPrintf("%02x ", txbuf_[i]);

  1234. 	DBGPrintf(")\n");

  1235. 	

  1236. 	if (!queue_Data_Transfer(txpipe_, txbuf_, nbytes, this)) {

  1237. 		println("sendL2CapCommand failed");

  1238. 	}

  1239. }

  1240. 

  1241. void  BluetoothController::process_l2cap_connection_request(uint8_t *data) {

  1242. 	//       ID   LEN  LEN PSM  PSM  SCID SCID        

  1243. 	// 0x02 0x02 0x04 0x00 0x11 0x00 0x43 0x00

  1244. 

  1245. 	uint16_t psm = data[4]+((uint16_t)data[5] << 8); 

  1246. 	uint16_t scid = data[6]+((uint16_t)data[7] << 8);

  1247. 	DBGPrintf("    L2CAP Connection Request: ID: %d, PSM: %x, SCID: %x\n", data[1], psm, scid);

  1248. 

  1249. 	// Assuming not pair mode Send response like:

  1250. 	//      RXID Len  LEN  DCID DCID  SCID SCID RES 0     0    0

  1251. 	// 0x03 0x02 0x08 0x00 0x70 0x00 0x43 0x00 0x01 0x00 0x00 0x00

  1252. 	control_scid_ = scid;

  1253. 	connection_rxid_ = data[1];

  1254. 	sendl2cap_ConnectionResponse(device_connection_handle_, connection_rxid_, control_dcid_, control_scid_, PENDING);

  1255. 	pending_control_tx_ = STATE_TX_SEND_CONECT_RSP_SUCCESS;

  1256. }

  1257. 

  1258. // Process the l2cap_connection_response...

  1259. void BluetoothController::process_l2cap_connection_response(uint8_t *data) {

  1260. 

  1261. 	uint16_t scid = data[4]+((uint16_t)data[5] << 8); 

  1262. 	uint16_t dcid = data[6]+((uint16_t)data[7] << 8); 

  1263. 

  1264. 	DBGPrintf("    L2CAP Connection Response: ID: %d, Dest:%x, Source:%x, Result:%x, Status: %x\n",

  1265. 		data[1], scid, dcid,

  1266. 		data[8]+((uint16_t)data[9] << 8), data[10]+((uint16_t)data[11] << 8));

  1267. 

  1268. 	//48 20 10 0 | c 0 1 0 | 3 0 8 0 44 0 70 0 0 0 0 0

  1269. 	if (dcid == interrupt_dcid_) {

  1270. 		interrupt_scid_ = scid;

  1271. 		DBGPrintf("      Interrupt Response\n");

  1272. 		sendl2cap_ConfigRequest(device_connection_handle_, connection_rxid_, scid);

  1273. 	} else if (dcid == control_dcid_) {

  1274. 		control_scid_ = scid;

  1275. 		DBGPrintf("      Control Response\n");

  1276. 		sendl2cap_ConfigRequest(device_connection_handle_, connection_rxid_, scid);

  1277. 	}

  1278. }

  1279. 

  1280. void BluetoothController::process_l2cap_config_reequest(uint8_t *data) {

  1281. 	//48 20 10 0 c 0 1 0 *4 2 8 0 70 0 0 0 1 2 30 0

  1282. 	uint16_t dcid = data[4]+((uint16_t)data[5] << 8); 

  1283. 	DBGPrintf("    L2CAP config Request: ID: %d, Dest:%x, Flags:%x,  Options: %x %x %x %x\n",

  1284. 		data[1], dcid, data[6]+((uint16_t)data[7] << 8),

  1285. 		data[8], data[9], data[10], data[11]);

  1286. 	// Now see which dest was specified

  1287. 	if (dcid == control_dcid_) {

  1288. 		DBGPrintf("      Control Configuration request\n");

  1289. 		sendl2cap_ConfigResponse(device_connection_handle_, data[1], control_scid_);

  1290. 	} else if (dcid == interrupt_dcid_) {

  1291. 		DBGPrintf("      Interrupt Configuration request\n");

  1292. 		sendl2cap_ConfigResponse(device_connection_handle_, data[1], interrupt_scid_);

  1293. 	}

  1294. }

  1295. 

  1296. void BluetoothController::process_l2cap_config_response(uint8_t *data) {

  1297. 	// 48 20 12 0 e 0 1 0 5 0 a 0 70 0 0 0 0 0 1 2 30 0

  1298. 	uint16_t scid = data[4]+((uint16_t)data[5] << 8); 

  1299. 	DBGPrintf("    L2CAP config Response: ID: %d, Source:%x, Flags:%x, Result:%x, Config: %x\n",

  1300. 		data[1], scid, data[6]+((uint16_t)data[7] << 8),

  1301. 		data[8]+((uint16_t)data[9] << 8), data[10]+((uint16_t)data[11] << 8));

  1302. 	if (scid == control_dcid_) {

  1303. 		// Set HID Boot mode

  1304. 		//setHIDProtocol(HID_BOOT_PROTOCOL);  //

  1305. 		setHIDProtocol(HID_RPT_PROTOCOL);  //HID_RPT_PROTOCOL

  1306. 		if (do_pair_device_) {

  1307. 			// Tell system we will next need to setup connection for the interrupt

  1308. 			pending_control_tx_ = STATE_TX_SEND_CONNECT_INT;

  1309. 		}

  1310. 	} else if (scid == interrupt_dcid_) {

  1311. 		// Enable SCan to page mode

  1312. 		sendHCIWriteScanEnable(2);

  1313. 	}

  1314. }

  1315. 

  1316. void BluetoothController::setHIDProtocol(uint8_t protocol) {

  1317. 	// Should verify protocol is boot or report

  1318. 	uint8_t l2capbuf[1];

  1319.     l2capbuf[0] = 0x70 | protocol; // Set Protocol, see Bluetooth HID specs page 33

  1320.     DBGPrintf("Set HID Protocol %d (", protocol);

  1321.     sendL2CapCommand(device_connection_handle_, l2capbuf, sizeof(l2capbuf), control_scid_ & 0xff, control_scid_ >> 8);

  1322. }

  1323. 

  1324. void BluetoothController::handleHIDTHDRData(uint8_t *data) {

  1325. 	// Example

  1326. 	//                      T HID data

  1327. 	//48 20 d 0 9 0 71 0 a1 3 8a cc c5 a 23 22 79

  1328. 	uint16_t len = data[4] + ((uint16_t)data[5] << 8);

  1329. 	DBGPrintf("HID HDR Data: len: %d, Type: %d\n", len, data[9]);

  1330. 

  1331. 	// ??? How to parse??? Use HID object??? 

  1332. 	if (device_driver_) {

  1333. 		device_driver_->process_bluetooth_HID_data(&data[9], len-1); // We skip the first byte...

  1334. 	} else {

  1335. 		switch (data[9]) {

  1336. 			case 1:

  1337. 				DBGPrintf("    Keyboard report type\n");

  1338. 				break;

  1339. 			case 2: 

  1340. 				DBGPrintf("    Mouse report type\n");	

  1341. 				break;

  1342. 			case 3:	

  1343. 				DBGPrintf("    Combo keyboard/pointing\n");

  1344. 				break;

  1345. 			default:

  1346. 				DBGPrintf("    Unknown report\n");	

  1347. 		}

  1348. 	}

  1349. }