/* Copyright (C) 2012 Kristian Lauszus, TKJ Electronics. All rights reserved. This software may be distributed and modified under the terms of the GNU General Public License version 2 (GPL2) as published by the Free Software Foundation and appearing in the file GPL2.TXT included in the packaging of this file. Please note that GPL2 Section 2[b] requires that all works based on this software must also be made publicly available under the terms of the GPL2 ("Copyleft"). Contact information ------------------- Kristian Lauszus, TKJ Electronics Web : http://www.tkjelectronics.com e-mail : kristianl@tkjelectronics.com */ #include "BTD.h" // To enable serial debugging see "settings.h" //#define EXTRADEBUG // Uncomment to get even more debugging data const uint8_t BTD::BTD_CONTROL_PIPE = 0; const uint8_t BTD::BTD_EVENT_PIPE = 1; const uint8_t BTD::BTD_DATAIN_PIPE = 2; const uint8_t BTD::BTD_DATAOUT_PIPE = 3; BTD::BTD(USB *p) : connectToWii(false), pairWithWii(false), connectToHIDDevice(false), pairWithHIDDevice(false), pairWithOtherDevice(false), pUsb(p), // Pointer to USB class instance - mandatory bAddress(0), // Device address - mandatory bNumEP(1), // If config descriptor needs to be parsed qNextPollTime(0), // Reset NextPollTime pollInterval(0), bPollEnable(false) // Don't start polling before dongle is connected { for(uint8_t i = 0; i < BTD_NUM_SERVICES; i++) btService[i] = NULL; Initialize(); // Set all variables, endpoint structs etc. to default values if(pUsb) // Register in USB subsystem pUsb->RegisterDeviceClass(this); // Set devConfig[] entry } uint8_t BTD::ConfigureDevice(uint8_t parent, uint8_t port, bool lowspeed) { const uint8_t constBufSize = sizeof (USB_DEVICE_DESCRIPTOR); uint8_t buf[constBufSize]; USB_DEVICE_DESCRIPTOR * udd = reinterpret_cast(buf); uint8_t rcode; UsbDevice *p = NULL; EpInfo *oldep_ptr = NULL; Initialize(); // Set all variables, endpoint structs etc. to default values AddressPool &addrPool = pUsb->GetAddressPool(); // Get memory address of USB device address pool #ifdef EXTRADEBUG Notify(PSTR("\r\nBTD ConfigureDevice"), 0x80); #endif if(bAddress) { // Check if address has already been assigned to an instance #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nAddress in use"), 0x80); #endif return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE; } p = addrPool.GetUsbDevicePtr(0); // Get pointer to pseudo device with address 0 assigned if(!p) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nAddress not found"), 0x80); #endif return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL; } if(!p->epinfo) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nepinfo is null"), 0x80); #endif return USB_ERROR_EPINFO_IS_NULL; } oldep_ptr = p->epinfo; // Save old pointer to EP_RECORD of address 0 p->epinfo = epInfo; // Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence p->lowspeed = lowspeed; rcode = pUsb->getDevDescr(0, 0, constBufSize, (uint8_t*)buf); // Get device descriptor - addr, ep, nbytes, data p->epinfo = oldep_ptr; // Restore p->epinfo if(rcode) goto FailGetDevDescr; bAddress = addrPool.AllocAddress(parent, false, port); // Allocate new address according to device class if(!bAddress) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nOut of address space"), 0x80); #endif return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL; } epInfo[0].maxPktSize = udd->bMaxPacketSize0; // Extract Max Packet Size from device descriptor epInfo[1].epAddr = udd->bNumConfigurations; // Steal and abuse from epInfo structure to save memory VID = udd->idVendor; PID = udd->idProduct; return USB_ERROR_CONFIG_REQUIRES_ADDITIONAL_RESET; FailGetDevDescr: #ifdef DEBUG_USB_HOST NotifyFailGetDevDescr(rcode); #endif if(rcode != hrJERR) rcode = USB_ERROR_FailGetDevDescr; Release(); return rcode; }; uint8_t BTD::Init(uint8_t parent, uint8_t port, bool lowspeed) { uint8_t rcode; uint8_t num_of_conf = epInfo[1].epAddr; // Number of configurations epInfo[1].epAddr = 0; AddressPool &addrPool = pUsb->GetAddressPool(); #ifdef EXTRADEBUG Notify(PSTR("\r\nBTD Init"), 0x80); #endif UsbDevice *p = addrPool.GetUsbDevicePtr(bAddress); // Get pointer to assigned address record if(!p) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nAddress not found"), 0x80); #endif return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL; } delay(300); // Assign new address to the device rcode = pUsb->setAddr(0, 0, bAddress); // Assign new address to the device if(rcode) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nsetAddr: "), 0x80); D_PrintHex (rcode, 0x80); #endif p->lowspeed = false; goto Fail; } #ifdef EXTRADEBUG Notify(PSTR("\r\nAddr: "), 0x80); D_PrintHex (bAddress, 0x80); #endif p->lowspeed = false; p = addrPool.GetUsbDevicePtr(bAddress); // Get pointer to assigned address record if(!p) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nAddress not found"), 0x80); #endif return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL; } p->lowspeed = lowspeed; rcode = pUsb->setEpInfoEntry(bAddress, 1, epInfo); // Assign epInfo to epinfo pointer - only EP0 is known if(rcode) goto FailSetDevTblEntry; if(VID == PS3_VID && (PID == PS3_PID || PID == PS3NAVIGATION_PID || PID == PS3MOVE_PID)) { delay(100); rcode = pUsb->setConf(bAddress, epInfo[ BTD_CONTROL_PIPE ].epAddr, 1); // We only need the Control endpoint, so we don't have to initialize the other endpoints of device if(rcode) goto FailSetConfDescr; #ifdef DEBUG_USB_HOST if(PID == PS3_PID || PID == PS3NAVIGATION_PID) { if(PID == PS3_PID) Notify(PSTR("\r\nDualshock 3 Controller Connected"), 0x80); else // It must be a navigation controller Notify(PSTR("\r\nNavigation Controller Connected"), 0x80); } else // It must be a Motion controller Notify(PSTR("\r\nMotion Controller Connected"), 0x80); #endif if(my_bdaddr[0] == 0x00 && my_bdaddr[1] == 0x00 && my_bdaddr[2] == 0x00 && my_bdaddr[3] == 0x00 && my_bdaddr[4] == 0x00 && my_bdaddr[5] == 0x00) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nPlease plug in the dongle before trying to pair with the PS3 Controller\r\nor set the Bluetooth address in the constructor of the PS3BT class"), 0x80); #endif } else { if(PID == PS3_PID || PID == PS3NAVIGATION_PID) setBdaddr(my_bdaddr); // Set internal Bluetooth address else setMoveBdaddr(my_bdaddr); // Set internal Bluetooth address #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nBluetooth Address was set to: "), 0x80); for(int8_t i = 5; i > 0; i--) { D_PrintHex (my_bdaddr[i], 0x80); Notify(PSTR(":"), 0x80); } D_PrintHex (my_bdaddr[0], 0x80); #endif } pUsb->setConf(bAddress, epInfo[ BTD_CONTROL_PIPE ].epAddr, 0); // Reset configuration value pUsb->setAddr(bAddress, 0, 0); // Reset address Release(); // Release device return USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED; // Return } else { // Check if attached device is a Bluetooth dongle and fill endpoint data structure // First interface in the configuration must have Bluetooth assigned Class/Subclass/Protocol // And 3 endpoints - interrupt-IN, bulk-IN, bulk-OUT, not necessarily in this order for(uint8_t i = 0; i < num_of_conf; i++) { if(VID == IOGEAR_GBU521_VID && PID == IOGEAR_GBU521_PID) { ConfigDescParser confDescrParser(this); // Needed for the IOGEAR GBU521 rcode = pUsb->getConfDescr(bAddress, 0, i, &confDescrParser); } else { ConfigDescParser confDescrParser(this); rcode = pUsb->getConfDescr(bAddress, 0, i, &confDescrParser); } if(rcode) // Check error code goto FailGetConfDescr; if(bNumEP >= BTD_MAX_ENDPOINTS) // All endpoints extracted break; } if(bNumEP < BTD_MAX_ENDPOINTS) goto FailUnknownDevice; // Assign epInfo to epinfo pointer - this time all 3 endpoins rcode = pUsb->setEpInfoEntry(bAddress, bNumEP, epInfo); if(rcode) goto FailSetDevTblEntry; // Set Configuration Value rcode = pUsb->setConf(bAddress, epInfo[ BTD_CONTROL_PIPE ].epAddr, bConfNum); if(rcode) goto FailSetConfDescr; hci_num_reset_loops = 100; // only loop 100 times before trying to send the hci reset command hci_counter = 0; hci_state = HCI_INIT_STATE; watingForConnection = false; bPollEnable = true; #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nBluetooth Dongle Initialized"), 0x80); #endif } return 0; // Successful configuration /* Diagnostic messages */ FailSetDevTblEntry: #ifdef DEBUG_USB_HOST NotifyFailSetDevTblEntry(); goto Fail; #endif FailGetConfDescr: #ifdef DEBUG_USB_HOST NotifyFailGetConfDescr(); goto Fail; #endif FailSetConfDescr: #ifdef DEBUG_USB_HOST NotifyFailSetConfDescr(); #endif goto Fail; FailUnknownDevice: #ifdef DEBUG_USB_HOST NotifyFailUnknownDevice(VID, PID); #endif pUsb->setAddr(bAddress, 0, 0); // Reset address rcode = USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED; Fail: #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nBTD Init Failed, error code: "), 0x80); NotifyFail(rcode); #endif Release(); return rcode; } void BTD::Initialize() { uint8_t i; for(i = 0; i < BTD_MAX_ENDPOINTS; i++) { epInfo[i].epAddr = 0; epInfo[i].maxPktSize = (i) ? 0 : 8; epInfo[i].epAttribs = 0; epInfo[i].bmNakPower = (i) ? USB_NAK_NOWAIT : USB_NAK_MAX_POWER; } for(i = 0; i < BTD_NUM_SERVICES; i++) { if(btService[i]) btService[i]->Reset(); // Reset all Bluetooth services } connectToWii = false; incomingWii = false; connectToHIDDevice = false; connectToOtherDevice = false; incomingHIDDevice = false; incomingPS4 = false; bAddress = 0; // Clear device address bNumEP = 1; // Must have to be reset to 1 qNextPollTime = 0; // Reset next poll time pollInterval = 0; bPollEnable = false; // Don't start polling before dongle is connected } /* Extracts interrupt-IN, bulk-IN, bulk-OUT endpoint information from config descriptor */ void BTD::EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *pep) { //ErrorMessage(PSTR("Conf.Val"),conf); //ErrorMessage(PSTR("Iface Num"),iface); //ErrorMessage(PSTR("Alt.Set"),alt); if(alt) // Wrong interface - by BT spec, no alt setting return; bConfNum = conf; uint8_t index; if((pep->bmAttributes & 0x03) == 3 && (pep->bEndpointAddress & 0x80) == 0x80) { // Interrupt In endpoint found index = BTD_EVENT_PIPE; epInfo[index].bmNakPower = USB_NAK_NOWAIT; } else { if((pep->bmAttributes & 0x02) == 2) // Bulk endpoint found index = ((pep->bEndpointAddress & 0x80) == 0x80) ? BTD_DATAIN_PIPE : BTD_DATAOUT_PIPE; else return; } // Fill the rest of endpoint data structure epInfo[index].epAddr = (pep->bEndpointAddress & 0x0F); epInfo[index].maxPktSize = (uint8_t)pep->wMaxPacketSize; #ifdef EXTRADEBUG PrintEndpointDescriptor(pep); #endif if(pollInterval < pep->bInterval) // Set the polling interval as the largest polling interval obtained from endpoints pollInterval = pep->bInterval; bNumEP++; } void BTD::PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr) { #ifdef EXTRADEBUG Notify(PSTR("\r\nEndpoint descriptor:"), 0x80); Notify(PSTR("\r\nLength:\t\t"), 0x80); D_PrintHex (ep_ptr->bLength, 0x80); Notify(PSTR("\r\nType:\t\t"), 0x80); D_PrintHex (ep_ptr->bDescriptorType, 0x80); Notify(PSTR("\r\nAddress:\t"), 0x80); D_PrintHex (ep_ptr->bEndpointAddress, 0x80); Notify(PSTR("\r\nAttributes:\t"), 0x80); D_PrintHex (ep_ptr->bmAttributes, 0x80); Notify(PSTR("\r\nMaxPktSize:\t"), 0x80); D_PrintHex (ep_ptr->wMaxPacketSize, 0x80); Notify(PSTR("\r\nPoll Intrv:\t"), 0x80); D_PrintHex (ep_ptr->bInterval, 0x80); #endif } /* Performs a cleanup after failed Init() attempt */ uint8_t BTD::Release() { Initialize(); // Set all variables, endpoint structs etc. to default values pUsb->GetAddressPool().FreeAddress(bAddress); return 0; } uint8_t BTD::Poll() { if(!bPollEnable) return 0; if(qNextPollTime <= millis()) { // Don't poll if shorter than polling interval qNextPollTime = millis() + pollInterval; // Set new poll time HCI_event_task(); // Poll the HCI event pipe HCI_task(); // HCI state machine ACL_event_task(); // Poll the ACL input pipe too } return 0; } void BTD::HCI_event_task() { uint16_t length = BULK_MAXPKTSIZE; // Request more than 16 bytes anyway, the inTransfer routine will take care of this uint8_t rcode = pUsb->inTransfer(bAddress, epInfo[ BTD_EVENT_PIPE ].epAddr, &length, hcibuf); // Input on endpoint 1 if(!rcode || rcode == hrNAK) { // Check for errors switch(hcibuf[0]) { // Switch on event type case EV_COMMAND_COMPLETE: if(!hcibuf[5]) { // Check if command succeeded hci_set_flag(HCI_FLAG_CMD_COMPLETE); // Set command complete flag if((hcibuf[3] == 0x01) && (hcibuf[4] == 0x10)) { // Parameters from read local version information hci_version = hcibuf[6]; // Used to check if it supports 2.0+EDR - see http://www.bluetooth.org/Technical/AssignedNumbers/hci.htm hci_set_flag(HCI_FLAG_READ_VERSION); } else if((hcibuf[3] == 0x09) && (hcibuf[4] == 0x10)) { // Parameters from read local bluetooth address for(uint8_t i = 0; i < 6; i++) my_bdaddr[i] = hcibuf[6 + i]; hci_set_flag(HCI_FLAG_READ_BDADDR); } } break; case EV_COMMAND_STATUS: if(hcibuf[2]) { // Show status on serial if not OK #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nHCI Command Failed: "), 0x80); D_PrintHex (hcibuf[2], 0x80); #endif } break; case EV_INQUIRY_COMPLETE: if (inquiry_counter >= 5 && (pairWithWii || pairWithHIDDevice || pairWithOtherDevice)) { inquiry_counter = 0; #ifdef DEBUG_USB_HOST if(pairWithWii) Notify(PSTR("\r\nCouldn't find Wiimote"), 0x80); else if (pairWithOtherDevice) Notify(PSTR("\r\nCouldn't find 'Other' device"), 0x80); else Notify(PSTR("\r\nCouldn't find HID device"), 0x80); #endif connectToWii = false; pairWithWii = false; connectToHIDDevice = false; pairWithHIDDevice = false; connectToOtherDevice = false; pairWithOtherDevice = false; hci_state = HCI_SCANNING_STATE; } inquiry_counter++; break; case EV_INQUIRY_RESULT: if(hcibuf[2]) { // Check that there is more than zero responses #ifdef EXTRADEBUG Notify(PSTR("\r\nNumber of responses: "), 0x80); Notify(hcibuf[2], 0x80); #endif for(uint8_t i = 0; i < hcibuf[2]; i++) { uint8_t offset = 8 * hcibuf[2] + 3 * i; for(uint8_t j = 0; j < 3; j++) classOfDevice[j] = hcibuf[j + 4 + offset]; if(pairWithWii && classOfDevice[2] == 0x00 && (classOfDevice[1] & 0x05) && (classOfDevice[0] & 0x0C)) { // See http://wiibrew.org/wiki/Wiimote#SDP_information if(classOfDevice[0] & 0x08) // Check if it's the new Wiimote with motion plus inside that was detected motionPlusInside = true; else motionPlusInside = false; for(uint8_t j = 0; j < 6; j++) disc_bdaddr[j] = hcibuf[j + 3 + 6 * i]; hci_set_flag(HCI_FLAG_DEVICE_FOUND); break; } else if(pairWithHIDDevice && (classOfDevice[1] & 0x05) && (classOfDevice[0] & 0xC8)) { // Check if it is a mouse, keyboard or a gamepad - see: http://bluetooth-pentest.narod.ru/software/bluetooth_class_of_device-service_generator.html #ifdef DEBUG_USB_HOST if(classOfDevice[0] & 0x80) Notify(PSTR("\r\nMouse found"), 0x80); if(classOfDevice[0] & 0x40) Notify(PSTR("\r\nKeyboard found"), 0x80); if(classOfDevice[0] & 0x08) Notify(PSTR("\r\nGamepad found"), 0x80); #endif for(uint8_t j = 0; j < 6; j++) disc_bdaddr[j] = hcibuf[j + 3 + 6 * i]; hci_set_flag(HCI_FLAG_DEVICE_FOUND); } else { #ifdef EXTRADEBUG Notify(PSTR("\r\nClass of device: "), 0x80); D_PrintHex (classOfDevice[2], 0x80); Notify(PSTR(" "), 0x80); D_PrintHex (classOfDevice[1], 0x80); Notify(PSTR(" "), 0x80); D_PrintHex (classOfDevice[0], 0x80); #endif uint8_t discovered = true; for (uint8_t j = 0; j < 6; j++) { if (hcibuf[j + 3 + 6 * i] != remote_bdaddr[j]) discovered = false; disc_bdaddr[j] = hcibuf[j + 3 + 6 * i]; } if (discovered) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nDevice: "), 0x80); for (int8_t j = 5; j > 0; j--) { D_PrintHex (disc_bdaddr[j], 0x80); Notify(PSTR(":"), 0x80); } D_PrintHex (disc_bdaddr[0], 0x80); Notify(PSTR(" has been found"), 0x80); #endif hci_set_flag(HCI_FLAG_DEVICE_FOUND); } } } } break; case EV_CONNECT_COMPLETE: hci_set_flag(HCI_FLAG_CONNECT_EVENT); if(!hcibuf[2]) { // Check if connected OK #ifdef EXTRADEBUG Notify(PSTR("\r\nConnection established"), 0x80); #endif hci_handle = hcibuf[3] | ((hcibuf[4] & 0x0F) << 8); // Store the handle for the ACL connection hci_set_flag(HCI_FLAG_CONNECT_COMPLETE); // Set connection complete flag } else { hci_state = HCI_CHECK_DEVICE_SERVICE; #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nConnection Failed: "), 0x80); D_PrintHex (hcibuf[2], 0x80); #endif } break; case EV_DISCONNECT_COMPLETE: if(!hcibuf[2]) { // Check if disconnected OK hci_set_flag(HCI_FLAG_DISCONNECT_COMPLETE); // Set disconnect command complete flag hci_clear_flag(HCI_FLAG_CONNECT_COMPLETE); // Clear connection complete flag } break; case EV_REMOTE_NAME_COMPLETE: if(!hcibuf[2]) { // Check if reading is OK for(uint8_t i = 0; i < min(sizeof (remote_name), sizeof (hcibuf) - 9); i++) { remote_name[i] = hcibuf[9 + i]; if(remote_name[i] == '\0') // End of string break; } hci_set_flag(HCI_FLAG_REMOTE_NAME_COMPLETE); } break; case EV_INCOMING_CONNECT: for(uint8_t i = 0; i < 6; i++) disc_bdaddr[i] = hcibuf[i + 2]; for(uint8_t i = 0; i < 3; i++) classOfDevice[i] = hcibuf[i + 8]; if((classOfDevice[1] & 0x05) && (classOfDevice[0] & 0xC8)) { // Check if it is a mouse, keyboard or a gamepad #ifdef DEBUG_USB_HOST if(classOfDevice[0] & 0x80) Notify(PSTR("\r\nMouse is connecting"), 0x80); if(classOfDevice[0] & 0x40) Notify(PSTR("\r\nKeyboard is connecting"), 0x80); if(classOfDevice[0] & 0x08) Notify(PSTR("\r\nGamepad is connecting"), 0x80); #endif incomingHIDDevice = true; } #ifdef EXTRADEBUG Notify(PSTR("\r\nClass of device: "), 0x80); D_PrintHex (classOfDevice[2], 0x80); Notify(PSTR(" "), 0x80); D_PrintHex (classOfDevice[1], 0x80); Notify(PSTR(" "), 0x80); D_PrintHex (classOfDevice[0], 0x80); #endif hci_set_flag(HCI_FLAG_INCOMING_REQUEST); break; case EV_PIN_CODE_REQUEST: if(pairWithWii) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nPairing with wiimote"), 0x80); #endif hci_pin_code_request_reply(); } else if(btdPin != NULL) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nBluetooth pin is set too: "), 0x80); NotifyStr(btdPin, 0x80); #endif hci_pin_code_request_reply(); } else { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nNo pin was set"), 0x80); #endif hci_pin_code_negative_request_reply(); } break; case EV_LINK_KEY_REQUEST: #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nReceived Key Request"), 0x80); #endif hci_link_key_request_negative_reply(); break; case EV_AUTHENTICATION_COMPLETE: if(pairWithWii && !connectToWii) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nPairing successful with Wiimote"), 0x80); #endif connectToWii = true; // Used to indicate to the Wii service, that it should connect to this device } else if(pairWithHIDDevice && !connectToHIDDevice) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nPairing successful with HID device"), 0x80); #endif connectToHIDDevice = true; // Used to indicate to the BTHID service, that it should connect to this device } else if (pairWithOtherDevice && !connectToOtherDevice) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nPairing successful with 'Other' device"), 0x80); #endif connectToOtherDevice = true; } break; /* We will just ignore the following events */ case EV_NUM_COMPLETE_PKT: case EV_ROLE_CHANGED: case EV_PAGE_SCAN_REP_MODE: case EV_LOOPBACK_COMMAND: case EV_DATA_BUFFER_OVERFLOW: case EV_CHANGE_CONNECTION_LINK: case EV_MAX_SLOTS_CHANGE: case EV_QOS_SETUP_COMPLETE: case EV_LINK_KEY_NOTIFICATION: case EV_ENCRYPTION_CHANGE: case EV_READ_REMOTE_VERSION_INFORMATION_COMPLETE: break; #ifdef EXTRADEBUG default: if(hcibuf[0] != 0x00) { Notify(PSTR("\r\nUnmanaged HCI Event: "), 0x80); D_PrintHex (hcibuf[0], 0x80); } break; #endif } // Switch } #ifdef EXTRADEBUG else { Notify(PSTR("\r\nHCI event error: "), 0x80); D_PrintHex (rcode, 0x80); } #endif } /* Poll Bluetooth and print result */ void BTD::HCI_task() { switch(hci_state) { case HCI_INIT_STATE: hci_counter++; if(hci_counter > hci_num_reset_loops) { // wait until we have looped x times to clear any old events hci_reset(); hci_state = HCI_RESET_STATE; hci_counter = 0; } break; case HCI_RESET_STATE: hci_counter++; if(hci_check_flag(HCI_FLAG_CMD_COMPLETE)) { hci_counter = 0; #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nHCI Reset complete"), 0x80); #endif hci_state = HCI_CLASS_STATE; hci_write_class_of_device(); } else if(hci_counter > hci_num_reset_loops) { hci_num_reset_loops *= 10; if(hci_num_reset_loops > 2000) hci_num_reset_loops = 2000; #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nNo response to HCI Reset"), 0x80); #endif hci_state = HCI_INIT_STATE; hci_counter = 0; } break; case HCI_CLASS_STATE: if(hci_check_flag(HCI_FLAG_CMD_COMPLETE)) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nWrite class of device"), 0x80); #endif hci_state = HCI_BDADDR_STATE; hci_read_bdaddr(); } break; case HCI_BDADDR_STATE: if(hci_check_flag(HCI_FLAG_READ_BDADDR)) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nLocal Bluetooth Address: "), 0x80); for(int8_t i = 5; i > 0; i--) { D_PrintHex (my_bdaddr[i], 0x80); Notify(PSTR(":"), 0x80); } D_PrintHex (my_bdaddr[0], 0x80); #endif hci_read_local_version_information(); hci_state = HCI_LOCAL_VERSION_STATE; } break; case HCI_LOCAL_VERSION_STATE: // The local version is used by the PS3BT class if(hci_check_flag(HCI_FLAG_READ_VERSION)) { if(btdName != NULL) { hci_set_local_name(btdName); hci_state = HCI_SET_NAME_STATE; } else hci_state = HCI_CHECK_DEVICE_SERVICE; } break; case HCI_SET_NAME_STATE: if(hci_check_flag(HCI_FLAG_CMD_COMPLETE)) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nThe name is set to: "), 0x80); NotifyStr(btdName, 0x80); #endif hci_state = HCI_CHECK_DEVICE_SERVICE; } break; case HCI_CHECK_DEVICE_SERVICE: if(pairWithHIDDevice || pairWithWii || pairWithOtherDevice) { // Check if it should try to connect to a HID device, Wiimote or 'Other device' #ifdef DEBUG_USB_HOST if(pairWithWii) Notify(PSTR("\r\nStarting inquiry\r\nPress 1 & 2 on the Wiimote\r\nOr press sync if you are using a Wii U Pro Controller"), 0x80); else if (pairWithHIDDevice) Notify(PSTR("\r\nPlease enable discovery of your device"), 0x80); else Notify(PSTR("\r\nPairing with 'Other' device with predefined address"), 0x80); #endif hci_inquiry(); hci_state = HCI_INQUIRY_STATE; } else hci_state = HCI_SCANNING_STATE; // Don't try to connect to a Wiimote break; case HCI_INQUIRY_STATE: if(hci_check_flag(HCI_FLAG_DEVICE_FOUND)) { hci_inquiry_cancel(); // Stop inquiry #ifdef DEBUG_USB_HOST if(pairWithWii) Notify(PSTR("\r\nWiimote found"), 0x80); else if (pairWithOtherDevice) Notify(PSTR("\r\n'Other' device found"), 0x80); else Notify(PSTR("\r\nHID device found"), 0x80); if (!pairWithOtherDevice) { Notify(PSTR("\r\nNow just create the instance like so:"), 0x80); if(pairWithWii) Notify(PSTR("\r\nWII Wii(&Btd);"), 0x80); else #ifdef _ps4bt_h_ // Check if the PS4 driver is being used Notify(PSTR("\r\nPS4BT PS4(&Btd);"), 0x80); #else Notify(PSTR("\r\nBTHID bthid(&Btd);"), 0x80); #endif Notify(PSTR("\r\nAnd then press any button on the "), 0x80); if(pairWithWii) Notify(PSTR("Wiimote"), 0x80); else Notify(PSTR("device"), 0x80); } #endif if(motionPlusInside) { hci_remote_name(); // We need to know the name to distinguish between a Wiimote and a Wii U Pro Controller hci_state = HCI_REMOTE_NAME_STATE; } else hci_state = HCI_CONNECT_DEVICE_STATE; } break; case HCI_CONNECT_DEVICE_STATE: if(hci_check_flag(HCI_FLAG_CMD_COMPLETE)) { #ifdef DEBUG_USB_HOST if(pairWithWii) Notify(PSTR("\r\nConnecting to Wiimote"), 0x80); else if (pairWithOtherDevice) Notify(PSTR("\r\nConnecting to 'Other' device"), 0x80); else Notify(PSTR("\r\nConnecting to HID device"), 0x80); #endif hci_connect(); hci_state = HCI_CONNECTED_DEVICE_STATE; } break; case HCI_CONNECTED_DEVICE_STATE: if(hci_check_flag(HCI_FLAG_CONNECT_EVENT)) { if(hci_check_flag(HCI_FLAG_CONNECT_COMPLETE)) { #ifdef DEBUG_USB_HOST if(pairWithWii) Notify(PSTR("\r\nConnected to Wiimote"), 0x80); else if (pairWithOtherDevice) Notify(PSTR("\r\nConnected to 'Other' device"), 0x80); else Notify(PSTR("\r\nConnected to HID device"), 0x80); #endif hci_authentication_request(); // This will start the pairing with the Wiimote hci_state = HCI_SCANNING_STATE; } else { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nTrying to connect one more time..."), 0x80); #endif hci_connect(); // Try to connect one more time } } break; case HCI_SCANNING_STATE: if (!connectToWii && !pairWithWii && !connectToHIDDevice && !pairWithHIDDevice && !connectToOtherDevice && !pairWithOtherDevice) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nWait For Incoming Connection Request"), 0x80); #endif hci_write_scan_enable(); watingForConnection = true; hci_state = HCI_CONNECT_IN_STATE; } break; case HCI_CONNECT_IN_STATE: if(hci_check_flag(HCI_FLAG_INCOMING_REQUEST)) { watingForConnection = false; #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nIncoming Connection Request"), 0x80); #endif hci_remote_name(); hci_state = HCI_REMOTE_NAME_STATE; } else if(hci_check_flag(HCI_FLAG_DISCONNECT_COMPLETE)) hci_state = HCI_DISCONNECT_STATE; break; case HCI_REMOTE_NAME_STATE: if(hci_check_flag(HCI_FLAG_REMOTE_NAME_COMPLETE)) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nRemote Name: "), 0x80); for(uint8_t i = 0; i < strlen(remote_name); i++) Notifyc(remote_name[i], 0x80); #endif if(strncmp((const char*)remote_name, "Nintendo", 8) == 0) { incomingWii = true; #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nWiimote is connecting"), 0x80); #endif if(strncmp((const char*)remote_name, "Nintendo RVL-CNT-01-TR", 22) == 0) { #ifdef DEBUG_USB_HOST Notify(PSTR(" with Motion Plus Inside"), 0x80); #endif motionPlusInside = true; } else if(strncmp((const char*)remote_name, "Nintendo RVL-CNT-01-UC", 22) == 0) { #ifdef DEBUG_USB_HOST Notify(PSTR(" - Wii U Pro Controller"), 0x80); #endif motionPlusInside = true; wiiUProController = true; } else { motionPlusInside = false; wiiUProController = false; } } if(classOfDevice[2] == 0 && classOfDevice[1] == 0x25 && classOfDevice[0] == 0x08 && strncmp((const char*)remote_name, "Wireless Controller", 19) == 0) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nPS4 controller is connecting"), 0x80); #endif incomingPS4 = true; } if(pairWithWii && motionPlusInside) hci_state = HCI_CONNECT_DEVICE_STATE; else { hci_accept_connection(); hci_state = HCI_CONNECTED_STATE; } } break; case HCI_CONNECTED_STATE: if(hci_check_flag(HCI_FLAG_CONNECT_COMPLETE)) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nConnected to Device: "), 0x80); for(int8_t i = 5; i > 0; i--) { D_PrintHex (disc_bdaddr[i], 0x80); Notify(PSTR(":"), 0x80); } D_PrintHex (disc_bdaddr[0], 0x80); #endif if(incomingPS4) connectToHIDDevice = true; // We should always connect to the PS4 controller // Clear these flags for a new connection l2capConnectionClaimed = false; sdpConnectionClaimed = false; rfcommConnectionClaimed = false; hci_event_flag = 0; hci_state = HCI_DONE_STATE; } break; case HCI_DONE_STATE: hci_counter++; if(hci_counter > 1000) { // Wait until we have looped 1000 times to make sure that the L2CAP connection has been started hci_counter = 0; hci_state = HCI_SCANNING_STATE; } break; case HCI_DISCONNECT_STATE: if(hci_check_flag(HCI_FLAG_DISCONNECT_COMPLETE)) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nHCI Disconnected from Device"), 0x80); #endif hci_event_flag = 0; // Clear all flags // Reset all buffers memset(hcibuf, 0, BULK_MAXPKTSIZE); memset(l2capinbuf, 0, BULK_MAXPKTSIZE); connectToWii = incomingWii = pairWithWii = false; connectToHIDDevice = incomingHIDDevice = pairWithHIDDevice = false; pairWithOtherDevice = connectToOtherDevice = false; incomingPS4 = false; hci_state = HCI_SCANNING_STATE; } break; default: break; } } void BTD::ACL_event_task() { uint16_t length = BULK_MAXPKTSIZE; uint8_t rcode = pUsb->inTransfer(bAddress, epInfo[ BTD_DATAIN_PIPE ].epAddr, &length, l2capinbuf); // Input on endpoint 2 if(!rcode) { // Check for errors if(length > 0) { // Check if any data was read for(uint8_t i = 0; i < BTD_NUM_SERVICES; i++) { if(btService[i]) btService[i]->ACLData(l2capinbuf); } } } #ifdef EXTRADEBUG else if(rcode != hrNAK) { Notify(PSTR("\r\nACL data in error: "), 0x80); D_PrintHex (rcode, 0x80); } #endif for(uint8_t i = 0; i < BTD_NUM_SERVICES; i++) if(btService[i]) btService[i]->Run(); } /************************************************************/ /* HCI Commands */ /************************************************************/ void BTD::HCI_Command(uint8_t* data, uint16_t nbytes) { hci_clear_flag(HCI_FLAG_CMD_COMPLETE); pUsb->ctrlReq(bAddress, epInfo[ BTD_CONTROL_PIPE ].epAddr, bmREQ_HCI_OUT, 0x00, 0x00, 0x00, 0x00, nbytes, nbytes, data, NULL); } void BTD::hci_reset() { hci_event_flag = 0; // Clear all the flags hcibuf[0] = 0x03; // HCI OCF = 3 hcibuf[1] = 0x03 << 2; // HCI OGF = 3 hcibuf[2] = 0x00; HCI_Command(hcibuf, 3); } void BTD::hci_write_scan_enable() { hci_clear_flag(HCI_FLAG_INCOMING_REQUEST); hcibuf[0] = 0x1A; // HCI OCF = 1A hcibuf[1] = 0x03 << 2; // HCI OGF = 3 hcibuf[2] = 0x01; // parameter length = 1 if(btdName != NULL) hcibuf[3] = 0x03; // Inquiry Scan enabled. Page Scan enabled. else hcibuf[3] = 0x02; // Inquiry Scan disabled. Page Scan enabled. HCI_Command(hcibuf, 4); } void BTD::hci_write_scan_disable() { hcibuf[0] = 0x1A; // HCI OCF = 1A hcibuf[1] = 0x03 << 2; // HCI OGF = 3 hcibuf[2] = 0x01; // parameter length = 1 hcibuf[3] = 0x00; // Inquiry Scan disabled. Page Scan disabled. HCI_Command(hcibuf, 4); } void BTD::hci_read_bdaddr() { hci_clear_flag(HCI_FLAG_READ_BDADDR); hcibuf[0] = 0x09; // HCI OCF = 9 hcibuf[1] = 0x04 << 2; // HCI OGF = 4 hcibuf[2] = 0x00; HCI_Command(hcibuf, 3); } void BTD::hci_read_local_version_information() { hci_clear_flag(HCI_FLAG_READ_VERSION); hcibuf[0] = 0x01; // HCI OCF = 1 hcibuf[1] = 0x04 << 2; // HCI OGF = 4 hcibuf[2] = 0x00; HCI_Command(hcibuf, 3); } void BTD::hci_accept_connection() { hci_clear_flag(HCI_FLAG_CONNECT_COMPLETE); hcibuf[0] = 0x09; // HCI OCF = 9 hcibuf[1] = 0x01 << 2; // HCI OGF = 1 hcibuf[2] = 0x07; // parameter length 7 hcibuf[3] = disc_bdaddr[0]; // 6 octet bdaddr hcibuf[4] = disc_bdaddr[1]; hcibuf[5] = disc_bdaddr[2]; hcibuf[6] = disc_bdaddr[3]; hcibuf[7] = disc_bdaddr[4]; hcibuf[8] = disc_bdaddr[5]; hcibuf[9] = 0x00; // Switch role to master HCI_Command(hcibuf, 10); } void BTD::hci_remote_name() { hci_clear_flag(HCI_FLAG_REMOTE_NAME_COMPLETE); hcibuf[0] = 0x19; // HCI OCF = 19 hcibuf[1] = 0x01 << 2; // HCI OGF = 1 hcibuf[2] = 0x0A; // parameter length = 10 hcibuf[3] = disc_bdaddr[0]; // 6 octet bdaddr hcibuf[4] = disc_bdaddr[1]; hcibuf[5] = disc_bdaddr[2]; hcibuf[6] = disc_bdaddr[3]; hcibuf[7] = disc_bdaddr[4]; hcibuf[8] = disc_bdaddr[5]; hcibuf[9] = 0x01; // Page Scan Repetition Mode hcibuf[10] = 0x00; // Reserved hcibuf[11] = 0x00; // Clock offset - low byte hcibuf[12] = 0x00; // Clock offset - high byte HCI_Command(hcibuf, 13); } void BTD::hci_set_local_name(const char* name) { hcibuf[0] = 0x13; // HCI OCF = 13 hcibuf[1] = 0x03 << 2; // HCI OGF = 3 hcibuf[2] = strlen(name) + 1; // parameter length = the length of the string + end byte uint8_t i; for(i = 0; i < strlen(name); i++) hcibuf[i + 3] = name[i]; hcibuf[i + 3] = 0x00; // End of string HCI_Command(hcibuf, 4 + strlen(name)); } void BTD::hci_inquiry() { hci_clear_flag(HCI_FLAG_DEVICE_FOUND); hcibuf[0] = 0x01; hcibuf[1] = 0x01 << 2; // HCI OGF = 1 hcibuf[2] = 0x05; // Parameter Total Length = 5 hcibuf[3] = 0x33; // LAP: Genera/Unlimited Inquiry Access Code (GIAC = 0x9E8B33) - see https://www.bluetooth.org/Technical/AssignedNumbers/baseband.htm hcibuf[4] = 0x8B; hcibuf[5] = 0x9E; hcibuf[6] = 0x30; // Inquiry time = 61.44 sec (maximum) hcibuf[7] = 0x0A; // 10 number of responses HCI_Command(hcibuf, 8); } void BTD::hci_inquiry_cancel() { hcibuf[0] = 0x02; hcibuf[1] = 0x01 << 2; // HCI OGF = 1 hcibuf[2] = 0x00; // Parameter Total Length = 0 HCI_Command(hcibuf, 3); } void BTD::hci_connect() { if (pairWithOtherDevice) hci_connect(remote_bdaddr); else hci_connect(disc_bdaddr); // Use last discovered device } void BTD::hci_connect(uint8_t *bdaddr) { hci_clear_flag(HCI_FLAG_CONNECT_COMPLETE | HCI_FLAG_CONNECT_EVENT); hcibuf[0] = 0x05; hcibuf[1] = 0x01 << 2; // HCI OGF = 1 hcibuf[2] = 0x0D; // parameter Total Length = 13 hcibuf[3] = bdaddr[0]; // 6 octet bdaddr (LSB) hcibuf[4] = bdaddr[1]; hcibuf[5] = bdaddr[2]; hcibuf[6] = bdaddr[3]; hcibuf[7] = bdaddr[4]; hcibuf[8] = bdaddr[5]; hcibuf[9] = 0x18; // DM1 or DH1 may be used hcibuf[10] = 0xCC; // DM3, DH3, DM5, DH5 may be used hcibuf[11] = 0x01; // Page repetition mode R1 hcibuf[12] = 0x00; // Reserved hcibuf[13] = 0x00; // Clock offset hcibuf[14] = 0x00; // Invalid clock offset hcibuf[15] = 0x00; // Do not allow role switch HCI_Command(hcibuf, 16); } void BTD::hci_pin_code_request_reply() { hcibuf[0] = 0x0D; // HCI OCF = 0D hcibuf[1] = 0x01 << 2; // HCI OGF = 1 hcibuf[2] = 0x17; // parameter length 23 hcibuf[3] = disc_bdaddr[0]; // 6 octet bdaddr hcibuf[4] = disc_bdaddr[1]; hcibuf[5] = disc_bdaddr[2]; hcibuf[6] = disc_bdaddr[3]; hcibuf[7] = disc_bdaddr[4]; hcibuf[8] = disc_bdaddr[5]; if(pairWithWii) { hcibuf[9] = 6; // Pin length is the length of the Bluetooth address if(wiiUProController) { #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nParing with Wii U Pro Controller"), 0x80); #endif for(uint8_t i = 0; i < 6; i++) hcibuf[10 + i] = my_bdaddr[i]; // The pin is the Bluetooth dongles Bluetooth address backwards } else { for(uint8_t i = 0; i < 6; i++) hcibuf[10 + i] = disc_bdaddr[i]; // The pin is the Wiimote's Bluetooth address backwards } for(uint8_t i = 16; i < 26; i++) hcibuf[i] = 0x00; // The rest should be 0 } else { hcibuf[9] = strlen(btdPin); // Length of pin uint8_t i; for(i = 0; i < strlen(btdPin); i++) // The maximum size of the pin is 16 hcibuf[i + 10] = btdPin[i]; for(; i < 16; i++) hcibuf[i + 10] = 0x00; // The rest should be 0 } HCI_Command(hcibuf, 26); } void BTD::hci_pin_code_negative_request_reply() { hcibuf[0] = 0x0E; // HCI OCF = 0E hcibuf[1] = 0x01 << 2; // HCI OGF = 1 hcibuf[2] = 0x06; // parameter length 6 hcibuf[3] = disc_bdaddr[0]; // 6 octet bdaddr hcibuf[4] = disc_bdaddr[1]; hcibuf[5] = disc_bdaddr[2]; hcibuf[6] = disc_bdaddr[3]; hcibuf[7] = disc_bdaddr[4]; hcibuf[8] = disc_bdaddr[5]; HCI_Command(hcibuf, 9); } void BTD::hci_link_key_request_negative_reply() { hcibuf[0] = 0x0C; // HCI OCF = 0C hcibuf[1] = 0x01 << 2; // HCI OGF = 1 hcibuf[2] = 0x06; // parameter length 6 hcibuf[3] = disc_bdaddr[0]; // 6 octet bdaddr hcibuf[4] = disc_bdaddr[1]; hcibuf[5] = disc_bdaddr[2]; hcibuf[6] = disc_bdaddr[3]; hcibuf[7] = disc_bdaddr[4]; hcibuf[8] = disc_bdaddr[5]; HCI_Command(hcibuf, 9); } void BTD::hci_authentication_request() { hcibuf[0] = 0x11; // HCI OCF = 11 hcibuf[1] = 0x01 << 2; // HCI OGF = 1 hcibuf[2] = 0x02; // parameter length = 2 hcibuf[3] = (uint8_t)(hci_handle & 0xFF); //connection handle - low byte hcibuf[4] = (uint8_t)((hci_handle >> 8) & 0x0F); //connection handle - high byte HCI_Command(hcibuf, 5); } void BTD::hci_disconnect(uint16_t handle) { // This is called by the different services hci_clear_flag(HCI_FLAG_DISCONNECT_COMPLETE); hcibuf[0] = 0x06; // HCI OCF = 6 hcibuf[1] = 0x01 << 2; // HCI OGF = 1 hcibuf[2] = 0x03; // parameter length = 3 hcibuf[3] = (uint8_t)(handle & 0xFF); //connection handle - low byte hcibuf[4] = (uint8_t)((handle >> 8) & 0x0F); //connection handle - high byte hcibuf[5] = 0x13; // reason HCI_Command(hcibuf, 6); } void BTD::hci_write_class_of_device() { // See http://bluetooth-pentest.narod.ru/software/bluetooth_class_of_device-service_generator.html hcibuf[0] = 0x24; // HCI OCF = 24 hcibuf[1] = 0x03 << 2; // HCI OGF = 3 hcibuf[2] = 0x03; // parameter length = 3 hcibuf[3] = 0x04; // Robot hcibuf[4] = 0x08; // Toy hcibuf[5] = 0x00; HCI_Command(hcibuf, 6); } /******************************************************************* * * * HCI ACL Data Packet * * * * buf[0] buf[1] buf[2] buf[3] * 0 4 8 11 12 16 24 31 MSB * .-+-+-+-+-+-+-+-|-+-+-+-|-+-|-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-. * | HCI Handle |PB |BC | Data Total Length | HCI ACL Data Packet * .-+-+-+-+-+-+-+-|-+-+-+-|-+-|-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-. * * buf[4] buf[5] buf[6] buf[7] * 0 8 16 31 MSB * .-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-. * | Length | Channel ID | Basic L2CAP header * .-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-. * * buf[8] buf[9] buf[10] buf[11] * 0 8 16 31 MSB * .-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-. * | Code | Identifier | Length | Control frame (C-frame) * .-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-. (signaling packet format) */ /************************************************************/ /* L2CAP Commands */ /************************************************************/ void BTD::L2CAP_Command(uint16_t handle, uint8_t* data, uint8_t nbytes, uint8_t channelLow, uint8_t channelHigh) { uint8_t buf[8 + nbytes]; buf[0] = (uint8_t)(handle & 0xff); // HCI handle with PB,BC flag buf[1] = (uint8_t)(((handle >> 8) & 0x0f) | 0x20); buf[2] = (uint8_t)((4 + nbytes) & 0xff); // HCI ACL total data length buf[3] = (uint8_t)((4 + nbytes) >> 8); buf[4] = (uint8_t)(nbytes & 0xff); // L2CAP header: Length buf[5] = (uint8_t)(nbytes >> 8); buf[6] = channelLow; buf[7] = channelHigh; for(uint16_t i = 0; i < nbytes; i++) // L2CAP C-frame buf[8 + i] = data[i]; uint8_t rcode = pUsb->outTransfer(bAddress, epInfo[ BTD_DATAOUT_PIPE ].epAddr, (8 + nbytes), buf); if(rcode) { delay(100); // This small delay prevents it from overflowing if it fails #ifdef DEBUG_USB_HOST Notify(PSTR("\r\nError sending L2CAP message: 0x"), 0x80); D_PrintHex (rcode, 0x80); Notify(PSTR(" - Channel ID: "), 0x80); D_PrintHex (channelHigh, 0x80); Notify(PSTR(" "), 0x80); D_PrintHex (channelLow, 0x80); #endif } } void BTD::l2cap_connection_request(uint16_t handle, uint8_t rxid, uint8_t* scid, uint16_t psm) { l2capoutbuf[0] = L2CAP_CMD_CONNECTION_REQUEST; // Code l2capoutbuf[1] = rxid; // Identifier l2capoutbuf[2] = 0x04; // Length l2capoutbuf[3] = 0x00; l2capoutbuf[4] = (uint8_t)(psm & 0xff); // PSM l2capoutbuf[5] = (uint8_t)(psm >> 8); l2capoutbuf[6] = scid[0]; // Source CID l2capoutbuf[7] = scid[1]; L2CAP_Command(handle, l2capoutbuf, 8); } void BTD::l2cap_connection_response(uint16_t handle, uint8_t rxid, uint8_t* dcid, uint8_t* scid, uint8_t result) { l2capoutbuf[0] = L2CAP_CMD_CONNECTION_RESPONSE; // Code l2capoutbuf[1] = rxid; // Identifier l2capoutbuf[2] = 0x08; // Length l2capoutbuf[3] = 0x00; l2capoutbuf[4] = dcid[0]; // Destination CID l2capoutbuf[5] = dcid[1]; l2capoutbuf[6] = scid[0]; // Source CID l2capoutbuf[7] = scid[1]; l2capoutbuf[8] = result; // Result: Pending or Success l2capoutbuf[9] = 0x00; l2capoutbuf[10] = 0x00; // No further information l2capoutbuf[11] = 0x00; L2CAP_Command(handle, l2capoutbuf, 12); } void BTD::l2cap_config_request(uint16_t handle, uint8_t rxid, uint8_t* dcid) { l2capoutbuf[0] = L2CAP_CMD_CONFIG_REQUEST; // Code l2capoutbuf[1] = rxid; // Identifier l2capoutbuf[2] = 0x08; // Length l2capoutbuf[3] = 0x00; l2capoutbuf[4] = dcid[0]; // Destination CID l2capoutbuf[5] = dcid[1]; l2capoutbuf[6] = 0x00; // Flags l2capoutbuf[7] = 0x00; l2capoutbuf[8] = 0x01; // Config Opt: type = MTU (Maximum Transmission Unit) - Hint l2capoutbuf[9] = 0x02; // Config Opt: length l2capoutbuf[10] = 0xFF; // MTU l2capoutbuf[11] = 0xFF; L2CAP_Command(handle, l2capoutbuf, 12); } void BTD::l2cap_config_response(uint16_t handle, uint8_t rxid, uint8_t* scid) { l2capoutbuf[0] = L2CAP_CMD_CONFIG_RESPONSE; // Code l2capoutbuf[1] = rxid; // Identifier l2capoutbuf[2] = 0x0A; // Length l2capoutbuf[3] = 0x00; l2capoutbuf[4] = scid[0]; // Source CID l2capoutbuf[5] = scid[1]; l2capoutbuf[6] = 0x00; // Flag l2capoutbuf[7] = 0x00; l2capoutbuf[8] = 0x00; // Result l2capoutbuf[9] = 0x00; l2capoutbuf[10] = 0x01; // Config l2capoutbuf[11] = 0x02; l2capoutbuf[12] = 0xA0; l2capoutbuf[13] = 0x02; L2CAP_Command(handle, l2capoutbuf, 14); } void BTD::l2cap_disconnection_request(uint16_t handle, uint8_t rxid, uint8_t* dcid, uint8_t* scid) { l2capoutbuf[0] = L2CAP_CMD_DISCONNECT_REQUEST; // Code l2capoutbuf[1] = rxid; // Identifier l2capoutbuf[2] = 0x04; // Length l2capoutbuf[3] = 0x00; l2capoutbuf[4] = dcid[0]; l2capoutbuf[5] = dcid[1]; l2capoutbuf[6] = scid[0]; l2capoutbuf[7] = scid[1]; L2CAP_Command(handle, l2capoutbuf, 8); } void BTD::l2cap_disconnection_response(uint16_t handle, uint8_t rxid, uint8_t* dcid, uint8_t* scid) { l2capoutbuf[0] = L2CAP_CMD_DISCONNECT_RESPONSE; // Code l2capoutbuf[1] = rxid; // Identifier l2capoutbuf[2] = 0x04; // Length l2capoutbuf[3] = 0x00; l2capoutbuf[4] = dcid[0]; l2capoutbuf[5] = dcid[1]; l2capoutbuf[6] = scid[0]; l2capoutbuf[7] = scid[1]; L2CAP_Command(handle, l2capoutbuf, 8); } void BTD::l2cap_information_response(uint16_t handle, uint8_t rxid, uint8_t infoTypeLow, uint8_t infoTypeHigh) { l2capoutbuf[0] = L2CAP_CMD_INFORMATION_RESPONSE; // Code l2capoutbuf[1] = rxid; // Identifier l2capoutbuf[2] = 0x08; // Length l2capoutbuf[3] = 0x00; l2capoutbuf[4] = infoTypeLow; l2capoutbuf[5] = infoTypeHigh; l2capoutbuf[6] = 0x00; // Result = success l2capoutbuf[7] = 0x00; // Result = success l2capoutbuf[8] = 0x00; l2capoutbuf[9] = 0x00; l2capoutbuf[10] = 0x00; l2capoutbuf[11] = 0x00; L2CAP_Command(handle, l2capoutbuf, 12); } /* PS3 Commands - only set Bluetooth address is implemented in this library */ void BTD::setBdaddr(uint8_t* bdaddr) { /* Set the internal Bluetooth address */ uint8_t buf[8]; buf[0] = 0x01; buf[1] = 0x00; for(uint8_t i = 0; i < 6; i++) buf[i + 2] = bdaddr[5 - i]; // Copy into buffer, has to be written reversed, so it is MSB first // bmRequest = Host to device (0x00) | Class (0x20) | Interface (0x01) = 0x21, bRequest = Set Report (0x09), Report ID (0xF5), Report Type (Feature 0x03), interface (0x00), datalength, datalength, data pUsb->ctrlReq(bAddress, epInfo[BTD_CONTROL_PIPE].epAddr, bmREQ_HID_OUT, HID_REQUEST_SET_REPORT, 0xF5, 0x03, 0x00, 8, 8, buf, NULL); } void BTD::setMoveBdaddr(uint8_t* bdaddr) { /* Set the internal Bluetooth address */ uint8_t buf[11]; buf[0] = 0x05; buf[7] = 0x10; buf[8] = 0x01; buf[9] = 0x02; buf[10] = 0x12; for(uint8_t i = 0; i < 6; i++) buf[i + 1] = bdaddr[i]; // bmRequest = Host to device (0x00) | Class (0x20) | Interface (0x01) = 0x21, bRequest = Set Report (0x09), Report ID (0x05), Report Type (Feature 0x03), interface (0x00), datalength, datalength, data pUsb->ctrlReq(bAddress, epInfo[BTD_CONTROL_PIPE].epAddr, bmREQ_HID_OUT, HID_REQUEST_SET_REPORT, 0x05, 0x03, 0x00, 11, 11, buf, NULL); }