/* USB EHCI Host for Teensy 3.6 * Copyright 2017 Paul Stoffregen (paul@pjrc.com) * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * information about the BlueTooth HCI comes from logic analyzer captures * plus... http://affon.narod.ru/BT/bluetooth_app_c10.pdf */ #include #include "USBHost_t36.h" // Read this header first for key info #define print USBHost::print_ #define println USBHost::println_ //#define DEBUG_BT //#define DEBUG_BT_VERBOSE #ifndef DEBUG_BT #undef DEBUG_BT_VERBOSE void DBGPrintf(...) {}; #else #define DBGPrintf USBHDBGSerial.printf #endif #ifndef DEBUG_BT_VERBOSE void VDBGPrintf(...) {}; #else #define VDBGPrintf USBHDBGSerial.printf #endif /************************************************************/ // Define HCI Commands OGF HIgh byte OCF is low byte... // Actually shifted values... /************************************************************/ #define HCI_INQUIRY 0x0401 #define HCI_INQUIRY_CANCEL 0x0402 #define HCI_CREATE_CONNECTION 0x0405 #define HCI_OP_ACCEPT_CONN_REQ 0x0409 #define HCI_LINK_KEY_NEG_REPLY 0x040C #define HCI_PIN_CODE_REPLY 0x040D #define HCI_AUTH_REQUESTED 0x0411 #define HCI_OP_REMOTE_NAME_REQ 0x0419 #define HCI_OP_REMOTE_NAME_REQ_CANCEL 0x041a #define HCI_OP_READ_REMOTE_FEATURES 0x041b #define HCI_OP_READ_REMOTE_VERSION_INFORMATION 0x041D #define HCI_Write_Default_Link_Policy_Settings 0x080f #define HCI_Set_Event_Mask 0x0c01 #define HCI_RESET 0x0c03 #define HCI_Set_Event_Filter_Clear 0x0c05 #define HCI_Read_Local_Name 0x0c14 #define HCI_Read_Stored_Link_Key 0x0c0d #define HCI_DELETE_STORED_LINK_KEY 0x0c12 #define HCI_WRITE_LOCAL_NAME 0x0c13 #define Write_Connection_Accept_Timeout 0x0c16 #define HCI_WRITE_SCAN_ENABLE 0x0c1a #define HCI_Read_Page_Scan_Activity 0x0c1b #define HCI_READ_CLASS_OF_DEVICE 0x0c23 #define HCI_WRITE_CLASS_OF_DEV 0x0C24 #define HCI_Read_Voice_Setting 0x0c25 #define HCI_Read_Number_Of_Supported_IAC 0x0c38 #define HCI_Read_Current_IAC_LAP 0x0c39 #define HCI_WRITE_INQUIRY_MODE 0x0c45 #define HCI_Read_Page_Scan_Type 0x0c46 #define HCI_WRITE_EIR 0x0c52 #define HCI_WRITE_SSP_MODE 0x0c56 #define HCI_Read_Inquiry_Response_Transmit_Power_Level 0x0c58 #define HCI_WRITE_LE_HOST_SUPPORTED 0x0c6d #define HCI_Read_Local_Supported_Features 0x1003 #define HCI_Read_Local_Extended_Features 0x1004 #define HCI_Read_Buffer_Size 0x1005 #define HCI_Read_BD_ADDR 0x1009 #define HCI_Read_Local_Version_Information 0x1001 #define HCI_Read_Local_Supported_Commands 0x1002 #define HCI_LE_SET_EVENT_MASK 0x2001 #define HCI_LE_Read_Buffer_Size 0x2002 #define HCI_LE_Read_Local_supported_Features 0x2003 #define HCI_LE_READ_ADV_TX_POWER 0x2007 #define HCI_LE_SET_ADV_DATA 0x2008 #define HCI_LE_SET_SCAN_RSP_DATA 0x2009 #define HCI_LE_READ_WHITE_LIST_SIZE 0x200f #define HCI_LE_CLEAR_WHITE_LIST 0x2010 #define HCI_LE_Supported_States 0x201c /* Bluetooth L2CAP PSM - see http://www.bluetooth.org/Technical/AssignedNumbers/logical_link.htm */ #define HID_CTRL_PSM 0x11 // HID_Control PSM Value #define HID_INTR_PSM 0x13 // HID_Interrupt PSM Value // Used For Connection Response #define PENDING 0x01 #define SUCCESSFUL 0x00 /* L2CAP signaling commands */ #define L2CAP_CMD_COMMAND_REJECT 0x01 #define L2CAP_CMD_CONNECTION_REQUEST 0x02 #define L2CAP_CMD_CONNECTION_RESPONSE 0x03 #define L2CAP_CMD_CONFIG_REQUEST 0x04 #define L2CAP_CMD_CONFIG_RESPONSE 0x05 #define L2CAP_CMD_DISCONNECT_REQUEST 0x06 #define L2CAP_CMD_DISCONNECT_RESPONSE 0x07 #define L2CAP_CMD_INFORMATION_REQUEST 0x0A #define L2CAP_CMD_INFORMATION_RESPONSE 0x0B #define HID_THDR_DATA_INPUT 0xa1 // HID stuff #define HID_BOOT_PROTOCOL 0x00 #define HID_RPT_PROTOCOL 0x01 /* HCI Events */ enum {EV_INQUIRY_COMPLETE= 0x01,EV_INQUIRY_RESULT= 0x02,EV_CONNECT_COMPLETE= 0x03,EV_INCOMING_CONNECT= 0x04,EV_DISCONNECT_COMPLETE= 0x05 ,EV_AUTHENTICATION_COMPLETE= 0x06,EV_REMOTE_NAME_COMPLETE= 0x07,EV_ENCRYPTION_CHANGE= 0x08,EV_CHANGE_CONNECTION_LINK= 0x09,EV_ROLE_CHANGED= 0x12 ,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 ,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 ,EV_LOOPBACK_COMMAND= 0x19,EV_PAGE_SCAN_REP_MODE= 0x20 }; // different modes enum {PC_RESET = 1, PC_WRITE_CLASS_DEVICE, PC_READ_BDADDR, PC_READ_LOCAL_VERSION, PC_SEND_INQUIRE, PC_INQUIRE_CANCEL=100, PC_AUTHENTICATION_REQUESTED=110, PC_LINK_KEY_NEGATIVE=120, PC_PIN_CODE_REPLY=130, PC_WRITE_SCAN_PAGE=200}; ////////////// ////////////// // Setup some states for the TX pipe where we need to chain messages enum {STATE_TX_SEND_CONNECT_INT=200, STATE_TX_SEND_CONECT_RSP_SUCCESS, STATE_TX_SEND_CONFIG_REQ}; // This is a list of all the drivers inherited from the BTHIDInput class. // Unlike the list of USBDriver (managed in enumeration.cpp), drivers stay // on this list even when they have claimed a top level collection. BTHIDInput * BluetoothController::available_bthid_drivers_list = NULL; void BluetoothController::driver_ready_for_bluetooth(BTHIDInput *driver) { driver->next = NULL; if (available_bthid_drivers_list == NULL) { available_bthid_drivers_list = driver; } else { BTHIDInput *last = available_bthid_drivers_list; while (last->next) last = last->next; last->next = driver; } } // When a new top level collection is found, this function asks drivers // if they wish to claim it. The driver taking ownership of the // collection is returned, or NULL if no driver wants it. BTHIDInput * BluetoothController::find_driver(uint32_t device_type) { USBHDBGSerial.printf("BluetoothController::find_driver"); BTHIDInput *driver = available_bthid_drivers_list; while (driver) { USBHDBGSerial.printf(" driver %x\n", (uint32_t)driver); if (driver->claim_bluetooth(this, device_type)) { USBHDBGSerial.printf(" *** Claimed ***\n"); return driver; } driver = driver->next; } return NULL; } //12 01 00 02 FF 01 01 40 5C 0A E8 21 12 01 01 02 03 01 //VendorID = 0A5C, ProductID = 21E8, Version = 0112 //Class/Subclass/Protocol = 255 / 1 / 1 BluetoothController::product_vendor_mapping_t BluetoothController::pid_vid_mapping[] = { { 0xA5C, 0x21E8 }}; /************************************************************/ // Initialization and claiming of devices & interfaces /************************************************************/ void BluetoothController::init() { contribute_Pipes(mypipes, sizeof(mypipes)/sizeof(Pipe_t)); contribute_Transfers(mytransfers, sizeof(mytransfers)/sizeof(Transfer_t)); contribute_String_Buffers(mystring_bufs, sizeof(mystring_bufs)/sizeof(strbuf_t)); driver_ready_for_device(this); } bool BluetoothController::claim(Device_t *dev, int type, const uint8_t *descriptors, uint32_t len) { // only claim at device level println("BluetoothController claim this=", (uint32_t)this, HEX); if (type != 0) return false; // claim at the device level // Lets try to support the main USB Bluetooth class... // http://www.usb.org/developers/defined_class/#BaseClassE0h if (dev->bDeviceClass != 0xe0) { bool special_case_device = false; for (uint8_t i=0; i < (sizeof(pid_vid_mapping)/sizeof(pid_vid_mapping[0])); i++) { if ((pid_vid_mapping[i].idVendor == dev->idVendor) && (pid_vid_mapping[i].idProduct == dev->idProduct)) { special_case_device = true; break; } } if (!special_case_device) return false; } if ((dev->bDeviceSubClass != 1) || (dev->bDeviceProtocol != 1)) return false; // Bluetooth Programming Interface DBGPrintf("BluetoothController claim this=%x vid:pid=%x:%x\n ", (uint32_t)this, dev->idVendor, dev->idProduct); if (len > 512) { DBGPrintf(" Descriptor length %d only showing first 512\n "); len = 512; } for (uint16_t i=0; i < len; i++) { DBGPrintf("%x ", descriptors[i]); if ((i & 0x3f) == 0x3f) DBGPrintf("\n "); } DBGPrintf("\n "); // Lets try to process the first Interface and get the end points... // Some common stuff for both XBoxs uint32_t count_end_points = descriptors[4]; if (count_end_points < 2) return false; uint32_t rxep = 0; uint32_t rx2ep = 0; uint32_t txep = 0; uint8_t rx_interval = 0; uint8_t rx2_interval = 0; uint8_t tx_interval = 0; rx_size_ = 0; rx2_size_ = 0; tx_size_ = 0; uint32_t descriptor_index = 9; while (count_end_points-- /*&& ((rxep == 0) || txep == 0) */) { if (descriptors[descriptor_index] != 7) return false; // length 7 if (descriptors[descriptor_index+1] != 5) return false; // ep desc if ((descriptors[descriptor_index+4] <= 64) && (descriptors[descriptor_index+5] == 0)) { // have a bulk EP size if (descriptors[descriptor_index+2] & 0x80 ) { if (descriptors[descriptor_index+3] == 3) { // Interrupt rxep = descriptors[descriptor_index+2]; rx_size_ = descriptors[descriptor_index+4]; rx_interval = descriptors[descriptor_index+6]; } else if (descriptors[descriptor_index+3] == 2) { // bulk rx2ep = descriptors[descriptor_index+2]; rx2_size_ = descriptors[descriptor_index+4]; rx2_interval = descriptors[descriptor_index+6]; } } else { txep = descriptors[descriptor_index+2]; tx_size_ = descriptors[descriptor_index+4]; tx_interval = descriptors[descriptor_index+6]; } } descriptor_index += 7; // setup to look at next one... } if ((rxep == 0) || (txep == 0)) { USBHDBGSerial.printf("Bluetooth end points not found: %d %d\n", rxep, txep); return false; // did not find two end points. } DBGPrintf(" rxep=%d(%d) txep=%d(%d) rx2ep=%d(%d)\n", rxep&15, rx_size_, txep, tx_size_, rx2ep&15, rx2_size_); print("BluetoothController, rxep=", rxep & 15); print("(", rx_size_); print("), txep=", txep); print("(", tx_size_); println(")"); rxpipe_ = new_Pipe(dev, 3, rxep & 15, 1, rx_size_, rx_interval); if (!rxpipe_) return false; txpipe_ = new_Pipe(dev, 3, txep, 0, tx_size_, tx_interval); if (!txpipe_) { //free_Pipe(rxpipe_); return false; } rx2pipe_ = new_Pipe(dev, 2, rx2ep & 15, 1, rx2_size_, rx2_interval); if (!rx2pipe_) { // Free other pipes... return false; } rxpipe_->callback_function = rx_callback; queue_Data_Transfer(rxpipe_, rxbuf_, rx_size_, this); rx2pipe_->callback_function = rx2_callback; queue_Data_Transfer(rx2pipe_, rx2buf_, rx2_size_, this); txpipe_->callback_function = tx_callback; // Send out the reset device = dev; // yes this is normally done on return from this but should not hurt if we do it here. sendResetHCI(); pending_control_ = PC_RESET; return true; } void BluetoothController::disconnect() { USBHDBGSerial.printf("Bluetooth Disconnect"); if (device_driver_) { device_driver_->release_bluetooth(); device_driver_ = nullptr; } } void BluetoothController::control(const Transfer_t *transfer) { println(" control callback (bluetooth) ", pending_control_, HEX); #ifdef DEBUG_BT_VERBOSE DBGPrintf(" Control callback (bluetooth): %d : ", pending_control_); uint8_t *buffer = (uint8_t*)transfer->buffer; for (uint8_t i=0; i < transfer->length; i++) DBGPrintf("%x ", buffer[i]); DBGPrintf("\n"); #endif } /************************************************************/ // Interrupt-based Data Movement /************************************************************/ void BluetoothController::rx_callback(const Transfer_t *transfer) { if (!transfer->driver) return; ((BluetoothController *)(transfer->driver))->rx_data(transfer); } void BluetoothController::rx2_callback(const Transfer_t *transfer) { if (!transfer->driver) return; ((BluetoothController *)(transfer->driver))->rx2_data(transfer); } void BluetoothController::tx_callback(const Transfer_t *transfer) { if (!transfer->driver) return; ((BluetoothController *)(transfer->driver))->tx_data(transfer); } void BluetoothController::rx_data(const Transfer_t *transfer) { uint32_t len = transfer->length - ((transfer->qtd.token >> 16) & 0x7FFF); print_hexbytes((uint8_t*)transfer->buffer, len); DBGPrintf("BT rx_data(%d): ", len); uint8_t *buffer = (uint8_t*)transfer->buffer; for (uint8_t i=0; i < len; i++) DBGPrintf("%x ", buffer[i]); DBGPrintf("\n"); // Note the logical packets returned from the device may be larger // than can fit in one of our packets, so we will detect this and // the next read will be continue in or rx_buf_ in the next logical // location. We will only go into process the next logical state // when we have the full response read in... if (rx_packet_data_remaining == 0) { // Previous command was fully handled rx_packet_data_remaining = rxbuf_[1] + 2; // length of data plus the two bytes at start... } // Now see if the data rx_packet_data_remaining -= len; // remove the length of this packet from length if (rx_packet_data_remaining == 0) { // read started at beginning of packet so get the total length of packet switch(rxbuf_[0]) { // Switch on event type case EV_COMMAND_COMPLETE: //0x0e handle_hci_command_complete();// Check if command succeeded break; case EV_COMMAND_STATUS: //0x0f handle_hci_command_status(); break; case EV_INQUIRY_COMPLETE: // 0x01 handle_hci_inquiry_complete(); break; case EV_INQUIRY_RESULT: // 0x02 handle_hci_inquiry_result(); break; case EV_CONNECT_COMPLETE: // 0x03 handle_hci_connection_complete(); break; case EV_INCOMING_CONNECT: // 0x04 handle_hci_incoming_connect(); break; case EV_DISCONNECT_COMPLETE: // 0x05 handle_hci_disconnect_complete(); break; case EV_AUTHENTICATION_COMPLETE:// 0x06 handle_hci_authentication_complete(); break; case EV_REMOTE_NAME_COMPLETE: // 0x07 handle_hci_remote_name_complete(); break; case EV_READ_REMOTE_VERSION_INFORMATION_COMPLETE: handle_hci_remote_version_information_complete(); break; case EV_PIN_CODE_REQUEST: // 0x16 handle_hci_pin_code_request(); break; case EV_LINK_KEY_REQUEST: // 0x17 handle_hci_link_key_request(); break; case EV_LINK_KEY_NOTIFICATION: // 0x18 handle_hci_link_key_notification(); default: break; } // Start read at start of buffer. queue_Data_Transfer(rxpipe_, rxbuf_, rx_size_, this); } else { // Continue the read - Todo - maybe verify len == rx_size_ queue_Data_Transfer(rxpipe_, buffer + rx_size_, rx_size_, this); return; // Don't process the message yet as we still have data to receive. } } //=================================================================== // Called when an HCI command completes. void BluetoothController::handle_hci_command_complete() { uint16_t hci_command = rxbuf_[3] + (rxbuf_[4] << 8); uint8_t buffer_index; if(!rxbuf_[5]) { VDBGPrintf(" Command Completed! \n"); } else { VDBGPrintf(" Command(%x) Completed - Error: %d! \n", hci_command, rxbuf_[5]); // BUGBUG:: probably need to queue something? } switch (hci_command) { case HCI_OP_REMOTE_NAME_REQ: break; case HCI_RESET: //0x0c03 if (!rxbuf_[5]) pending_control_ = PC_WRITE_CLASS_DEVICE; // If it fails, will retry. maybe should have repeat max... break; case HCI_Set_Event_Filter_Clear: //0x0c05 break; case HCI_Read_Local_Name: //0x0c14 // received name back... { //BUGBUG:: probably want to grab string object and copy to USBHDBGSerial.printf(" Local name: %s\n", &rxbuf_[6]); /* uint8_t len = rxbuf_[1]+2; // Length field +2 for total bytes read for (uint8_t i=6; i < len; i++) { if (rxbuf_[i] == 0) { break; } USBHDBGSerial.printf("%c", rxbuf_[i]); } USBHDBGSerial.printf("\n"); */ } break; case Write_Connection_Accept_Timeout: //0x0c16 break; case HCI_READ_CLASS_OF_DEVICE: // 0x0c23 break; case HCI_Read_Voice_Setting: //0x0c25 break; case HCI_Read_Number_Of_Supported_IAC: //0x0c38 break; case HCI_Read_Current_IAC_LAP: //0x0c39 break; case HCI_WRITE_INQUIRY_MODE: //0x0c45 break; case HCI_Read_Inquiry_Response_Transmit_Power_Level: //0x0c58 break; case HCI_Read_Local_Supported_Features: //0x1003 // Remember the features supported by local... for (buffer_index = 0; buffer_index < 8; buffer_index++) { features[buffer_index] = rxbuf_[buffer_index+6]; } break; case HCI_Read_Buffer_Size: // 0x1005 break; case HCI_Read_BD_ADDR: //0x1009 { DBGPrintf(" BD Addr"); for(uint8_t i = 0; i < 6; i++) { my_bdaddr_[i] = rxbuf_[6 + i]; DBGPrintf(":%x", my_bdaddr_[i]); } DBGPrintf("\n"); } break; case HCI_Read_Local_Version_Information: //0x1001 hciVersion = rxbuf_[6]; // Should do error checking above... DBGPrintf(" Local Version: %x\n", hciVersion); pending_control_ = (do_pair_device_)? PC_SEND_INQUIRE : PC_WRITE_SCAN_PAGE; break; case HCI_Read_Local_Supported_Commands: //0x1002 break; case HCI_LE_Read_Buffer_Size: //0x2002 break; case HCI_LE_Read_Local_supported_Features: //0x2003 break; case HCI_LE_Supported_States: //0x201c break; case HCI_Read_Local_Extended_Features: //0x1004 break; case HCI_Set_Event_Mask: //0x0c01 break; case HCI_Read_Stored_Link_Key: //0x0c0d break; case HCI_Write_Default_Link_Policy_Settings: //0x080f break; case HCI_Read_Page_Scan_Activity: //0x0c1b break; case HCI_Read_Page_Scan_Type: //0x0c46 break; case HCI_LE_SET_EVENT_MASK: //0x2001 break; case HCI_LE_READ_ADV_TX_POWER: //0x2007 break; case HCI_LE_READ_WHITE_LIST_SIZE: //0x200f break; case HCI_LE_CLEAR_WHITE_LIST: //0x2010 break; case HCI_DELETE_STORED_LINK_KEY: //0x0c12 break; case HCI_WRITE_LOCAL_NAME: //0x0c13 break; case HCI_WRITE_SCAN_ENABLE: //0x0c1a DBGPrintf("Write_Scan_enable Completed\n"); if (device_connection_handle_) { // Lets see if we can get the remote information //sendHCIRemoteVersionInfoRequest(); } break; case HCI_WRITE_SSP_MODE: //0x0c56 break; case HCI_WRITE_EIR: //0x0c52 break; case HCI_WRITE_LE_HOST_SUPPORTED: //0x0c6d break; case HCI_LE_SET_SCAN_RSP_DATA: //0x2009 break; } // And queue up the next command queue_next_hci_command(); } void BluetoothController::queue_next_hci_command() { // Ok We completed a command now see if we need to queue another command // Still probably need to reorganize... switch (pending_control_) { // Initial setup states. case PC_RESET: sendResetHCI(); break; case PC_WRITE_CLASS_DEVICE: sendHDCWriteClassOfDev(); pending_control_++; break; case PC_READ_BDADDR: sendHCIReadBDAddr(); pending_control_++; break; case PC_READ_LOCAL_VERSION: sendHCIReadLocalVersionInfo(); //pending_control_++; break; // These are used when we are pairing. case PC_SEND_INQUIRE: sendHCI_INQUIRY(); pending_control_++; break; case PC_INQUIRE_CANCEL: // lets try to create a connection... sendHCICreateConnection(); pending_control_++; break; case PC_AUTHENTICATION_REQUESTED: break; case PC_LINK_KEY_NEGATIVE: break; case PC_PIN_CODE_REPLY: break; // None Pair mode case PC_WRITE_SCAN_PAGE: sendHCIWriteScanEnable(2); pending_control_ = 0; // break; default: break; } } void BluetoothController::handle_hci_command_status() { // #ifdef DEBUG_BT uint16_t hci_command = rxbuf_[4] + (rxbuf_[5] << 8); if (rxbuf_[2]) { DBGPrintf(" Command %x Status %x - ", hci_command, rxbuf_[2]); switch (rxbuf_[2]) { case 0x01: DBGPrintf("Unknown HCI Command\n"); break; case 0x02: DBGPrintf("Unknown Connection Identifier\n"); break; case 0x03: DBGPrintf("Hardware Failure\n"); break; case 0x04: DBGPrintf("Page Timeout\n"); break; case 0x05: DBGPrintf("Authentication Failure\n"); break; case 0x06: DBGPrintf("PIN or Key Missing\n"); break; case 0x07: DBGPrintf("Memory Capacity Exceeded\n"); break; case 0x08: DBGPrintf("Connection Timeout\n"); break; case 0x09: DBGPrintf("Connection Limit Exceeded\n"); break; case 0x0A: DBGPrintf("Synchronous Connection Limit To A Device Exceeded\n"); break; case 0x0B: DBGPrintf("Connection Already Exists\n"); break; case 0x0C: DBGPrintf("Command Disallowed\n"); break; case 0x0D: DBGPrintf("Connection Rejected due to Limited Resources\n"); break; case 0x0E: DBGPrintf("Connection Rejected Due To Security Reasons\n"); break; case 0x0F: DBGPrintf("Connection Rejected due to Unacceptable BD_ADDR\n"); break; default: DBGPrintf("???\n"); break; } } else { VDBGPrintf(" Command %x Status %x\n", hci_command, rxbuf_[2]); } #endif } void BluetoothController::handle_hci_inquiry_result() { // 2 f 1 79 22 23 a c5 cc 1 2 0 40 25 0 3b 2 // Wondered if multiple items if all of the BDADDR are first then next field... // looks like it is that way... // Section 7.7.2 DBGPrintf(" Inquiry Result - Count: %d\n", rxbuf_[2]); for (uint8_t i=0; i < rxbuf_[2]; i++) { uint8_t index_bd = 3 + (i*6); uint8_t index_ps = 3 + (6*rxbuf_[2]) + i; uint8_t index_class = 3 + (9*rxbuf_[2]) + i; uint8_t index_clock_offset = 3 + (12*rxbuf_[2]) + i; uint32_t bluetooth_class = rxbuf_[index_class] + ((uint32_t)rxbuf_[index_class+1] << 8) + ((uint32_t)rxbuf_[index_class+2] << 16); DBGPrintf(" BD:%x:%x:%x:%x:%x:%x, PS:%d, class: %x\n", rxbuf_[index_bd],rxbuf_[index_bd+1],rxbuf_[index_bd+2],rxbuf_[index_bd+3],rxbuf_[index_bd+4],rxbuf_[index_bd+5], rxbuf_[index_ps], bluetooth_class); // See if we know the class if ((bluetooth_class & 0xff00) == 0x2500) { DBGPrintf(" Peripheral device\n"); if (bluetooth_class & 0x80) DBGPrintf(" Mouse\n"); if (bluetooth_class & 0x40) DBGPrintf(" Keyboard\n"); switch(bluetooth_class & 0x3c) { case 4: DBGPrintf(" Joystick\n"); break; case 8: DBGPrintf(" Gamepad\n"); break; case 0xc: DBGPrintf(" Remote Control\n"); break; } // BUGBUG, lets hard code to go to new state... for (uint8_t i = 0; i < 6; i++) device_bdaddr_[i] = rxbuf_[index_bd+i]; device_class_ = bluetooth_class; device_driver_ = find_driver(device_class_); device_ps_repetion_mode_ = rxbuf_[index_ps]; // mode device_clock_offset_[0] = rxbuf_[index_clock_offset]; device_clock_offset_[1] = rxbuf_[index_clock_offset+1]; // Now we need to bail from inquiry and setup to try to connect... sendHCIInquiryCancel(); pending_control_ = PC_INQUIRE_CANCEL; break; } } } void BluetoothController::handle_hci_inquiry_complete() { VDBGPrintf(" Inquiry Complete - status: %d\n", rxbuf_[2]); } void BluetoothController::handle_hci_connection_complete() { // 0 1 2 3 4 5 6 7 8 9 10 11 12 // ST CH CH BD BD BD BD BD BD LT EN // 03 0b 04 00 00 40 25 00 58 4b 00 01 00 device_connection_handle_ = rxbuf_[3]+ (uint16_t)(rxbuf_[4]<<8); DBGPrintf(" Connection Complete - ST:%x LH:%x\n", rxbuf_[2], device_connection_handle_); if (do_pair_device_) { sendHCIAuthenticationRequested(); pending_control_ = PC_AUTHENTICATION_REQUESTED; } } void BluetoothController::handle_hci_incoming_connect() { // BD BD BD BD BD BD CL CL CL LT // 0x04 0x0A 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x40 0x05 0x00 0x01 uint32_t class_of_device = rxbuf_[8] + (uint16_t)(rxbuf_[9]<<8) + (uint32_t)(rxbuf_[10]<<16); DBGPrintf(" Event: Incoming Connect - %x:%x:%x:%x:%x:%x CL:%x LT:%x\n", rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7], class_of_device, rxbuf_[11]); if (((class_of_device & 0xff00) == 0x2500) || ((class_of_device & 0xff00) == 0x500)) { DBGPrintf(" Peripheral device\n"); if (class_of_device & 0x80) DBGPrintf(" Mouse\n"); if (class_of_device & 0x40) DBGPrintf(" Keyboard\n"); switch(class_of_device & 0x3c) { case 4: DBGPrintf(" Joystick\n"); break; case 8: DBGPrintf(" Gamepad\n"); break; case 0xc: DBGPrintf(" Remote Control\n"); break; } device_driver_ = find_driver(class_of_device); // We need to save away the BDADDR and class link type? for(uint8_t i=0; i<6; i++) device_bdaddr_[i] = rxbuf_[i+2]; device_class_ = class_of_device; sendHCIRemoteNameRequest(); } // sendHCIAuthenticationRequested(); // pending_control_ = PC_AUTHENTICATION_REQUESTED; } void BluetoothController::handle_hci_pin_code_request() { // 0x16 0x06 0x79 0x22 0x23 0x0A 0xC5 0xCC DBGPrintf(" Event: Pin Code Request %x:%x:%x:%x:%x:%x\n", rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7]); sendHCIPinCodeReply(); pending_control_ = PC_PIN_CODE_REPLY; } void BluetoothController::handle_hci_link_key_request() { // 17 6 79 22 23 a c5 cc DBGPrintf(" Event: Link Key Request %x:%x:%x:%x:%x:%x\n", rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7]); // Now here is where we need to decide to say we have key or tell them to // cancel key... right now hard code to cancel... sendHCILinkKeyNegativeReply(); pending_control_ = PC_LINK_KEY_NEGATIVE; } void BluetoothController::handle_hci_link_key_notification() { // 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 // 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 DBGPrintf(" Event: Link Key Notificaton %x:%x:%x:%x:%x:%x Type:%x\n key:", rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7], rxbuf_[24]); for (uint8_t i = 8; i < 24; i++) DBGPrintf("%02x ", rxbuf_[i]); DBGPrintf("\n"); // Now here is where we need to decide to say we have key or tell them to // cancel key... right now hard code to cancel... } void BluetoothController::handle_hci_disconnect_complete() { //5 4 0 48 0 13 DBGPrintf(" Event: HCI Disconnect complete(%d): handle: %x, reason:%x\n", rxbuf_[2], rxbuf_[3]+(rxbuf_[4]<<8), rxbuf_[5]); if (device_driver_) { device_driver_->release_bluetooth(); device_driver_ = nullptr; } // Probably should clear out connection data. device_connection_handle_ = 0; device_class_ = 0; memset(device_bdaddr_, 0, sizeof(device_bdaddr_)); //... } void BluetoothController::handle_hci_authentication_complete() { // 6 3 13 48 0 DBGPrintf(" Event: HCI Authentication complete(%d): handle: %x\n", rxbuf_[2], rxbuf_[3]+(rxbuf_[4]<<8)); // Start up lcap connection... connection_rxid_ = 0; sendl2cap_ConnectionRequest(device_connection_handle_, connection_rxid_, control_dcid_, HID_CTRL_PSM); } void BluetoothController::handle_hci_remote_name_complete() { // STAT bd bd bd bd bd bd // 0x07 0xFF 0x00 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x42 0x6C 0x75 0x65 0x74 0x6F 0x6F ... DBGPrintf(" Event: handle_hci_remote_name_complete(%d)\n", rxbuf_[2]); if (rxbuf_[2] == 0) { DBGPrintf(" Remote Name: "); for (uint8_t *psz = &rxbuf_[9]; *psz; psz++) DBGPrintf("%c", *psz); DBGPrintf("\n"); } /* if (device_driver_) { if (!device_driver_->btstrbuf) { device_driver_->btstrbuf = USBHost::allocate_string_buffer(); if (device_driver_->btstrbuf) { } } device_driver_->remoteNameComplete(&rxbuf_[9]); } */ // Lets now try to accept the connection. sendHCIAcceptConnectionRequest(); } void BluetoothController::handle_hci_remote_version_information_complete() { // STAT bd bd bd bd bd bd //c 8 0 48 0 5 45 0 0 0 remote_ver_ = rxbuf_[6]; remote_man_ = rxbuf_[7]+((uint16_t)rxbuf_[8]<< 8); remote_subv_ = rxbuf_[9]; DBGPrintf(" Event: handle_hci_remote_version_information_complete(%d): ", rxbuf_[2]); DBGPrintf(" Handle: %x, Ver:%x, Man: %x, SV: %x\n", rxbuf_[3]+((uint16_t)rxbuf_[4]<< 8), remote_ver_, remote_man_, remote_subv_); // Lets now try to accept the connection. sendHCIAcceptConnectionRequest(); } void BluetoothController::rx2_data(const Transfer_t *transfer) { uint32_t len = transfer->length - ((transfer->qtd.token >> 16) & 0x7FFF); DBGPrintf("\n=====================\nBT rx2_data(%d): ", len); uint8_t *buffer = (uint8_t*)transfer->buffer; for (uint8_t i=0; i < len; i++) DBGPrintf("%x ", buffer[i]); DBGPrintf("\n"); // call backs. See if this is an L2CAP reply. example // HCI | l2cap //48 20 10 0 | c 0 1 0 | 3 0 8 0 44 0 70 0 0 0 0 0 // BUGBUG need to do more verification, like the handle uint16_t hci_length = buffer[2] + ((uint16_t)buffer[3]<<8); uint16_t l2cap_length = buffer[4] + ((uint16_t)buffer[5]<<8); // uint16_t rsp_packet_length = buffer[10] + ((uint16_t)buffer[11]<<8); if ((hci_length == (l2cap_length + 4)) /*&& (hci_length == (rsp_packet_length+8))*/) { // All the lengths appear to be correct... need to do more... switch (buffer[8]) { case L2CAP_CMD_CONNECTION_REQUEST: process_l2cap_connection_request(&buffer[8]); break; case L2CAP_CMD_CONNECTION_RESPONSE: process_l2cap_connection_response(&buffer[8]); break; case L2CAP_CMD_CONFIG_REQUEST: process_l2cap_config_request(&buffer[8]); break; case L2CAP_CMD_CONFIG_RESPONSE: process_l2cap_config_response(&buffer[8]); break; case HID_THDR_DATA_INPUT: handleHIDTHDRData(buffer); // Pass the whole buffer... break; case L2CAP_CMD_COMMAND_REJECT: process_l2cap_command_reject(&buffer[8]); break; case L2CAP_CMD_DISCONNECT_REQUEST: process_l2cap_disconnect_request(&buffer[8]); break; } } // Queue up for next read... queue_Data_Transfer(rx2pipe_, rx2buf_, rx2_size_, this); } void BluetoothController::sendHCICommand(uint16_t hciCommand, uint16_t cParams, const uint8_t* data) { txbuf_[0] = hciCommand & 0xff; txbuf_[1] = (hciCommand >> 8) & 0xff; txbuf_[2] = cParams; if (cParams) { memcpy(&txbuf_[3], data, cParams); // copy in the commands parameters. } uint8_t nbytes = cParams+3; for (uint8_t i=0; i< nbytes; i++) DBGPrintf("%02x ", txbuf_[i]); DBGPrintf(")\n"); mk_setup(setup, 0x20, 0x0, 0, 0, nbytes); queue_Control_Transfer(device, &setup, txbuf_, this); } //--------------------------------------------- void BluetoothController::sendHCI_INQUIRY() { // Start unlimited inqury, set timeout to max and DBGPrintf("HCI_INQUIRY called ("); static const uint8_t hci_inquiry_data[ ] = { 0x33, 0x8B, 0x9E, // Bluetooth assigned number LAP 0x9E8B33 General/unlimited inquiry Access mode 0x30, 0xa}; // Max inquiry time little over minute and up to 10 responses sendHCICommand(HCI_INQUIRY, sizeof(hci_inquiry_data), hci_inquiry_data); } //--------------------------------------------- void BluetoothController::sendHCIInquiryCancel() { DBGPrintf("HCI_INQUIRY_CANCEL called ("); sendHCICommand(HCI_INQUIRY_CANCEL, 0, nullptr); } //--------------------------------------------- void BluetoothController::sendHCICreateConnection() { DBGPrintf("HCI_CREATE_CONNECTION called ("); uint8_t connection_data[13]; // 0 1 2 3 4 5 6 7 8 9 10 11 12 // BD BD BD BD BD BD PT PT PRS 0 CS CS ARS //0x79 0x22 0x23 0x0A 0xC5 0xCC 0x18 0xCC 0x01 0x00 0x00 0x00 0x00 //0x05 0x04 0x0D 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x18 0xCC 0x01 0x00 0x00 0x00 0x00 // 05 04 0d 40 25 00 c4 01 00 18 cc 01 00 00 00 00 for (uint8_t i=0; i<6; i++) connection_data[i] = device_bdaddr_[i]; connection_data[6] = 0x18; //DM1/DH1 connection_data[7] = 0xcc; // connection_data[8] = device_ps_repetion_mode_; // from device connection_data[9] = 0; // connection_data[10] = 0; // clock offset connection_data[11] = 0; // clock offset connection_data[12] = 0; // allow role swith no sendHCICommand(HCI_CREATE_CONNECTION, sizeof(connection_data), connection_data); } //--------------------------------------------- void BluetoothController::sendHCIAcceptConnectionRequest() { DBGPrintf("HCI_OP_ACCEPT_CONN_REQ called ("); uint8_t connection_data[7]; // 0 1 2 3 4 5 6 7 8 9 10 11 12 // BD BD BD BD BD BD role //0x79 0x22 0x23 0x0A 0xC5 0xCC 0x00 for (uint8_t i=0; i<6; i++) connection_data[i] = device_bdaddr_[i]; connection_data[6] = 0; // Role as master sendHCICommand(HCI_OP_ACCEPT_CONN_REQ, sizeof(connection_data), connection_data); } //--------------------------------------------- void BluetoothController::sendHCIAuthenticationRequested() { DBGPrintf("HCI_AUTH_REQUESTED called ("); uint8_t connection_data[2]; connection_data[0] = device_connection_handle_ & 0xff; connection_data[1] = (device_connection_handle_>>8) & 0xff; sendHCICommand(HCI_AUTH_REQUESTED, sizeof(connection_data), connection_data); } //--------------------------------------------- void BluetoothController::sendHCILinkKeyNegativeReply() { DBGPrintf("HCI_LINK_KEY_NEG_REPLY called ("); uint8_t connection_data[6]; for (uint8_t i=0; i<6; i++) connection_data[i] = device_bdaddr_[i]; sendHCICommand(HCI_LINK_KEY_NEG_REPLY, sizeof(connection_data), connection_data); } //--------------------------------------------- // BUGBUG:: hard code string for this pass. void BluetoothController::sendHCIPinCodeReply() { // 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 DBGPrintf("HCI_PIN_CODE_REPLY called ("); uint8_t connection_data[23]; uint8_t i; for (i=0; i<6; i++) connection_data[i] = device_bdaddr_[i]; for (i=0; pair_pincode_[i] !=0; i++) connection_data[7+i] = pair_pincode_[i]; connection_data[6] = i; // remember the length for (uint8_t i=7+connection_data[6]; i<23; i++) connection_data[i] = 0; sendHCICommand(HCI_PIN_CODE_REPLY, sizeof(connection_data), connection_data); } //--------------------------------------------- void BluetoothController::sendResetHCI() { DBGPrintf("HCI_RESET called ("); sendHCICommand(HCI_RESET, 0, nullptr); } void BluetoothController::sendHDCWriteClassOfDev() { // 0x24 0x0C 0x03 0x04 0x08 0x00 const static uint8_t device_class_data[] = {BT_CLASS_DEVICE & 0xff, (BT_CLASS_DEVICE >> 8) & 0xff, (BT_CLASS_DEVICE >> 16) & 0xff}; DBGPrintf("HCI_WRITE_CLASS_OF_DEV called ("); sendHCICommand(HCI_WRITE_CLASS_OF_DEV, sizeof(device_class_data), device_class_data); } void BluetoothController::sendHCIReadBDAddr() { DBGPrintf("HCI_Read_BD_ADDR called ("); sendHCICommand(HCI_Read_BD_ADDR, 0, nullptr); } void BluetoothController::sendHCIReadLocalVersionInfo() { DBGPrintf("HCI_Read_Local_Version_Information called ("); sendHCICommand(HCI_Read_Local_Version_Information, 0, nullptr); } void BluetoothController::sendHCIWriteScanEnable(uint8_t scan_op) {// 0x0c1a // 0x1A 0x0C 0x01 0x02 DBGPrintf("HCI_WRITE_SCAN_ENABLE called("); sendHCICommand(HCI_WRITE_SCAN_ENABLE, 1, &scan_op); } void BluetoothController::sendHCIRemoteNameRequest() { // 0x0419 // BD BD BD BD BD BD PS 0 CLK CLK //0x19 0x04 0x0A 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x01 0x00 0x00 0x00 DBGPrintf("HCI_OP_REMOTE_NAME_REQ called ("); uint8_t connection_data[10]; for (uint8_t i=0; i<6; i++) connection_data[i] = device_bdaddr_[i]; connection_data[6] = 1; // page scan repeat mode... connection_data[7] = 0; // 0 connection_data[8] = 0; // Clk offset connection_data[9] = 0; sendHCICommand(HCI_OP_REMOTE_NAME_REQ, sizeof(connection_data), connection_data); } void BluetoothController::sendHCIRemoteVersionInfoRequest() { // 0x041D // BD BD BD BD BD BD PS 0 CLK CLK //0x19 0x04 0x0A 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x01 0x00 0x00 0x00 DBGPrintf("HCI_OP_READ_REMOTE_VERSION_INFORMATION called ("); uint8_t connection_data[2]; connection_data[0] = device_connection_handle_ & 0xff; connection_data[1] = (device_connection_handle_>>8) & 0xff; sendHCICommand(HCI_OP_READ_REMOTE_VERSION_INFORMATION, sizeof(connection_data), connection_data); } // l2cap support functions. void BluetoothController::sendl2cap_ConnectionResponse(uint16_t handle, uint8_t rxid, uint16_t dcid, uint16_t scid, uint8_t result) { uint8_t l2capbuf[12]; l2capbuf[0] = L2CAP_CMD_CONNECTION_RESPONSE; // Code l2capbuf[1] = rxid; // Identifier l2capbuf[2] = 0x08; // Length l2capbuf[3] = 0x00; l2capbuf[4] = dcid & 0xff; // Destination CID l2capbuf[5] = dcid >> 8; l2capbuf[6] = scid & 0xff; // Source CID l2capbuf[7] = scid >> 8; l2capbuf[8] = result; // Result: Pending or Success l2capbuf[9] = 0x00; l2capbuf[10] = 0x00; // No further information l2capbuf[11] = 0x00; DBGPrintf("L2CAP_CMD_CONNECTION_RESPONSE called("); sendL2CapCommand(handle, l2capbuf, sizeof(l2capbuf)); } void BluetoothController::sendl2cap_ConnectionRequest(uint16_t handle, uint8_t rxid, uint16_t scid, uint16_t psm) { uint8_t l2capbuf[8]; l2capbuf[0] = L2CAP_CMD_CONNECTION_REQUEST; // Code l2capbuf[1] = rxid; // Identifier l2capbuf[2] = 0x04; // Length l2capbuf[3] = 0x00; l2capbuf[4] = (uint8_t)(psm & 0xff); // PSM l2capbuf[5] = (uint8_t)(psm >> 8); l2capbuf[6] = scid & 0xff; // Source CID l2capbuf[7] = (scid >> 8) & 0xff; DBGPrintf("`ConnectionRequest called("); sendL2CapCommand(handle, l2capbuf, sizeof(l2capbuf)); } void BluetoothController::sendl2cap_ConfigRequest(uint16_t handle, uint8_t rxid, uint16_t dcid) { uint8_t l2capbuf[12]; l2capbuf[0] = L2CAP_CMD_CONFIG_REQUEST; // Code l2capbuf[1] = rxid; // Identifier l2capbuf[2] = 0x08; // Length l2capbuf[3] = 0x00; l2capbuf[4] = dcid & 0xff; // Destination CID l2capbuf[5] = (dcid >> 8) & 0xff; l2capbuf[6] = 0x00; // Flags l2capbuf[7] = 0x00; l2capbuf[8] = 0x01; // Config Opt: type = MTU (Maximum Transmission Unit) - Hint l2capbuf[9] = 0x02; // Config Opt: length l2capbuf[10] = 0xFF; // MTU l2capbuf[11] = 0xFF; DBGPrintf("L2CAP_ConfigRequest called("); sendL2CapCommand(handle, l2capbuf, sizeof(l2capbuf)); } void BluetoothController::sendl2cap_ConfigResponse(uint16_t handle, uint8_t rxid, uint16_t scid) { uint8_t l2capbuf[14]; l2capbuf[0] = L2CAP_CMD_CONFIG_RESPONSE; // Code l2capbuf[1] = rxid; // Identifier l2capbuf[2] = 0x0A; // Length l2capbuf[3] = 0x00; l2capbuf[4] = scid & 0xff; // Source CID l2capbuf[5] = (scid >> 8) & 0xff; l2capbuf[6] = 0x00; // Flag l2capbuf[7] = 0x00; l2capbuf[8] = 0x00; // Result l2capbuf[9] = 0x00; l2capbuf[10] = 0x01; // Config l2capbuf[11] = 0x02; l2capbuf[12] = 0xA0; l2capbuf[13] = 0x02; DBGPrintf("L2CAP_ConfigResponse called("); sendL2CapCommand(handle, l2capbuf, sizeof(l2capbuf)); } //******************************************************************* //******************************************************************* void BluetoothController::tx_data(const Transfer_t *transfer) { println(" tx_data(bluetooth) ", pending_control_, HEX); #ifdef DEBUG_BT_VERBOSE DBGPrintf("tx_data callback (bluetooth): %d : ", pending_control_tx_); uint8_t *buffer = (uint8_t*)transfer->buffer; for (uint8_t i=0; i < transfer->length; i++) DBGPrintf("%x ", buffer[i]); DBGPrintf("\n"); #endif switch (pending_control_tx_) { case STATE_TX_SEND_CONNECT_INT: connection_rxid_++; sendl2cap_ConnectionRequest(device_connection_handle_, connection_rxid_, interrupt_dcid_, HID_INTR_PSM); pending_control_tx_ = 0; break; case STATE_TX_SEND_CONECT_RSP_SUCCESS: delay(1); // Tell the device we are ready sendl2cap_ConnectionResponse(device_connection_handle_, connection_rxid_++, control_dcid_, control_scid_, SUCCESSFUL); pending_control_tx_ = STATE_TX_SEND_CONFIG_REQ; break; case STATE_TX_SEND_CONFIG_REQ: delay(1); sendl2cap_ConfigRequest(device_connection_handle_, connection_rxid_, control_scid_); pending_control_tx_ = 0; break; } } //******************************************************************* // // HCI ACL Packets // HCI Handle Low, HCI_Handle_High (PB, BC), Total length low, TLH - HCI ACL Data packet // length Low, length high, channel id low, channel id high - L2CAP header // code, identifier, length, ... - Control-frame /************************************************************/ /* L2CAP Commands */ void BluetoothController::sendL2CapCommand(uint16_t handle, uint8_t* data, uint8_t nbytes, uint8_t channelLow, uint8_t channelHigh) { txbuf_[0] = handle & 0xff; // HCI handle with PB,BC flag txbuf_[1] = (((handle >> 8) & 0x0f) | 0x20); txbuf_[2] = (uint8_t)((4 + nbytes) & 0xff); // HCI ACL total data length txbuf_[3] = (uint8_t)((4 + nbytes) >> 8); txbuf_[4] = (uint8_t)(nbytes & 0xff); // L2CAP header: Length txbuf_[5] = (uint8_t)(nbytes >> 8); txbuf_[6] = channelLow; txbuf_[7] = channelHigh; if (nbytes) { memcpy(&txbuf_[8], data, nbytes); // copy in the commands parameters. } nbytes = nbytes+8; for (uint8_t i=0; i< nbytes; i++) DBGPrintf("%02x ", txbuf_[i]); DBGPrintf(")\n"); if (!queue_Data_Transfer(txpipe_, txbuf_, nbytes, this)) { println("sendL2CapCommand failed"); } } void BluetoothController::process_l2cap_connection_request(uint8_t *data) { // ID LEN LEN PSM PSM SCID SCID // 0x02 0x02 0x04 0x00 0x11 0x00 0x43 0x00 uint16_t psm = data[4]+((uint16_t)data[5] << 8); uint16_t scid = data[6]+((uint16_t)data[7] << 8); DBGPrintf(" L2CAP Connection Request: ID: %d, PSM: %x, SCID: %x\n", data[1], psm, scid); // Assuming not pair mode Send response like: // RXID Len LEN DCID DCID SCID SCID RES 0 0 0 // 0x03 0x02 0x08 0x00 0x70 0x00 0x43 0x00 0x01 0x00 0x00 0x00 control_scid_ = scid; connection_rxid_ = data[1]; sendl2cap_ConnectionResponse(device_connection_handle_, connection_rxid_, control_dcid_, control_scid_, PENDING); pending_control_tx_ = STATE_TX_SEND_CONECT_RSP_SUCCESS; } // Process the l2cap_connection_response... void BluetoothController::process_l2cap_connection_response(uint8_t *data) { uint16_t scid = data[4]+((uint16_t)data[5] << 8); uint16_t dcid = data[6]+((uint16_t)data[7] << 8); DBGPrintf(" L2CAP Connection Response: ID: %d, Dest:%x, Source:%x, Result:%x, Status: %x\n", data[1], scid, dcid, data[8]+((uint16_t)data[9] << 8), data[10]+((uint16_t)data[11] << 8)); //48 20 10 0 | c 0 1 0 | 3 0 8 0 44 0 70 0 0 0 0 0 if (dcid == interrupt_dcid_) { interrupt_scid_ = scid; DBGPrintf(" Interrupt Response\n"); sendl2cap_ConfigRequest(device_connection_handle_, connection_rxid_, scid); } else if (dcid == control_dcid_) { control_scid_ = scid; DBGPrintf(" Control Response\n"); sendl2cap_ConfigRequest(device_connection_handle_, connection_rxid_, scid); } } void BluetoothController::process_l2cap_config_request(uint8_t *data) { //48 20 10 0 c 0 1 0 *4 2 8 0 70 0 0 0 1 2 30 0 uint16_t dcid = data[4]+((uint16_t)data[5] << 8); DBGPrintf(" L2CAP config Request: ID: %d, Dest:%x, Flags:%x, Options: %x %x %x %x\n", data[1], dcid, data[6]+((uint16_t)data[7] << 8), data[8], data[9], data[10], data[11]); // Now see which dest was specified if (dcid == control_dcid_) { DBGPrintf(" Control Configuration request\n"); sendl2cap_ConfigResponse(device_connection_handle_, data[1], control_scid_); } else if (dcid == interrupt_dcid_) { DBGPrintf(" Interrupt Configuration request\n"); sendl2cap_ConfigResponse(device_connection_handle_, data[1], interrupt_scid_); } } void BluetoothController::process_l2cap_config_response(uint8_t *data) { // 48 20 12 0 e 0 1 0 5 0 a 0 70 0 0 0 0 0 1 2 30 0 uint16_t scid = data[4]+((uint16_t)data[5] << 8); DBGPrintf(" L2CAP config Response: ID: %d, Source:%x, Flags:%x, Result:%x, Config: %x\n", data[1], scid, data[6]+((uint16_t)data[7] << 8), data[8]+((uint16_t)data[9] << 8), data[10]+((uint16_t)data[11] << 8)); if (scid == control_dcid_) { // Set HID Boot mode setHIDProtocol(HID_BOOT_PROTOCOL); // //setHIDProtocol(HID_RPT_PROTOCOL); //HID_RPT_PROTOCOL //if (do_pair_device_) { // Tell system we will next need to setup connection for the interrupt pending_control_tx_ = STATE_TX_SEND_CONNECT_INT; //} } else if (scid == interrupt_dcid_) { // Enable SCan to page mode sendHCIWriteScanEnable(2); } } void BluetoothController::process_l2cap_command_reject(uint8_t *data) { // 48 20 b 0 7 0 70 0 *1 0 0 0 2 0 4 DBGPrintf(" L2CAP command reject: ID: %d, length:%x, Reason:%x, Data: %x %x \n", data[1], data[2] + ((uint16_t)data[3] << 8), data[4], data[5], data[6]); } void BluetoothController::process_l2cap_disconnect_request(uint8_t *data) { uint16_t dcid = data[4]+((uint16_t)data[5] << 8); uint16_t scid = data[6]+((uint16_t)data[7] << 8); DBGPrintf(" L2CAP disconnect request: ID: %d, Length:%x, Dest:%x, Source:%x\n", data[1], data[2] + ((uint16_t)data[3] << 8), dcid, scid); } void BluetoothController::setHIDProtocol(uint8_t protocol) { // Should verify protocol is boot or report uint8_t l2capbuf[1]; l2capbuf[0] = 0x70 | protocol; // Set Protocol, see Bluetooth HID specs page 33 DBGPrintf("Set HID Protocol %d (", protocol); sendL2CapCommand(device_connection_handle_, l2capbuf, sizeof(l2capbuf), control_scid_ & 0xff, control_scid_ >> 8); } void BluetoothController::handleHIDTHDRData(uint8_t *data) { // Example // T HID data //48 20 d 0 9 0 71 0 a1 3 8a cc c5 a 23 22 79 uint16_t len = data[4] + ((uint16_t)data[5] << 8); DBGPrintf("HID HDR Data: len: %d, Type: %d\n", len, data[9]); // ??? How to parse??? Use HID object??? if (device_driver_) { device_driver_->process_bluetooth_HID_data(&data[9], len-1); // We skip the first byte... } else { switch (data[9]) { case 1: DBGPrintf(" Keyboard report type\n"); break; case 2: DBGPrintf(" Mouse report type\n"); break; case 3: DBGPrintf(" Combo keyboard/pointing\n"); break; default: DBGPrintf(" Unknown report\n"); } } }