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BTD.cpp
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/* 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"
extern
// To enable serial debugging see "settings.h"
//#define EXTRADEBUG // Uncomment to get even more debugging data
uint8_t BTD::min(uint8_t a, uint8_t b){
return a<b?a:b;
}
BTD::BTD() :
connectToWii(false),
pairWithWii(false),
connectToHIDDevice(false),
pairWithHIDDevice(false),
bAddress(0),
qNextPollTime(0), // Reset NextPollTime
pollInterval(0),
bPollEnable(true) // Don't start polling before dongle is connected
{
btService = NULL;
//Initialize(); // Set all variables, endpoint structs etc. to default values
}
void BTD::Initialize() {
btService->Reset(); // Reset all Bluetooth services
connectToWii = false;
incomingWii = false;
connectToHIDDevice = false;
incomingHIDDevice = false;
incomingPS4 = false;
bAddress = 0; // Clear device address
qNextPollTime = 0; // Reset next poll time
pollInterval = 3;
bPollEnable = true; // Don't start polling before dongle is connected
hci_state = HCI_INIT_STATE;
}
void BTD::HCI_event_task() {
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_UART_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)) {
inquiry_counter = 0;
#ifdef DEBUG_UART_HOST
if(pairWithWii)
Notify(PSTR("\r\nCouldn't find Wiimote"), 0x80);
else
Notify(PSTR("\r\nCouldn't find HID device"), 0x80);
#endif
connectToWii = false;
pairWithWii = false;
connectToHIDDevice = false;
pairWithHIDDevice = 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);
D_PrintHex(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];
#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
if(pairWithWii && classOfDevice[2] == 0x00 && (classOfDevice[1] & 0x05) && (classOfDevice[0] & 0x0C)) { // See http://wiibrew.org/wiki/Wiimote#SDP_information
checkRemoteName = true; // Check remote name to distinguish between the different controllers
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_UART_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);
break;
}
}
}
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_UART_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;
}
// TODO: Altid sæt '\0' i remote name!
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_UART_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); //hci_set_flag(HCI_FLAG_INCOMING_REQUEST);
hci_state = HCI_CONNECT_IN_STATE;
break;
case EV_PIN_CODE_REQUEST:
if(pairWithWii) {
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nPairing with Wiimote"), 0x80);
#endif
hci_pin_code_request_reply();
} else if(btdPin != NULL) {
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nBluetooth pin is set too: "), 0x80);
Notify(btdPin, 0x80);
#endif
hci_pin_code_request_reply();
} else {
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nNo pin was set"), 0x80);
#endif
hci_pin_code_negative_request_reply();
}
break;
case EV_LINK_KEY_REQUEST:
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nReceived Key Request"), 0x80);
#endif
hci_link_key_request_negative_reply();
break;
case EV_AUTHENTICATION_COMPLETE:
if(!hcibuf[2]) { // Check if pairing was successful
if(pairWithWii && !connectToWii) {
#ifdef DEBUG_UART_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_UART_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 {
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nPairing Failed: "), 0x80);
D_PrintHex (hcibuf[2], 0x80);
#endif
hci_disconnect(hci_handle);
hci_state = HCI_DISCONNECT_STATE;
}
break;
/* We will just ignore the following events */
case EV_NUM_COMPLETE_PKT:
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nNum Complete Packet"), 0x80);
#endif
break;
case EV_ROLE_CHANGED:
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nRole Changed"), 0x80);
#endif
break;
case EV_PAGE_SCAN_REP_MODE:
if(HCI_FLAG_PSCAN_REP){
hci_set_flag(HCI_FLAG_PSCAN_REP);
}
break;
case EV_LOOPBACK_COMMAND:
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nLoopBack Command"), 0x80);
#endif
break;
case EV_DATA_BUFFER_OVERFLOW:
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nData Buffer Overflow Event"), 0x80);
#endif
break;
case EV_CHANGE_CONNECTION_LINK:
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nChange Connection Link Event"), 0x80);
#endif
break;
case EV_MAX_SLOTS_CHANGE:
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nMax slots changed event"), 0x80);
#endif
break;
case EV_QOS_SETUP_COMPLETE:
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nQOS Setup Complete Event"), 0x80);
#endif
break;
case EV_LINK_KEY_NOTIFICATION:
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nLink key notification event"), 0x80);
#endif
break;
case EV_ENCRYPTION_CHANGE:
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nEncryption Change Event"), 0x80);
#endif
break;
case EV_READ_REMOTE_VERSION_INFORMATION_COMPLETE:
if(!hcibuf[2]){
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nRead remote version complete"), 0x80);
#endif
hci_set_flag(HCI_FLAG_REMOTE_VER_COMPLETE);
}
else{
Notify(PSTR("\r\nRead remote version failed"), 0x80);
}
break;
case EV_CHANGE_PACKET_TYPE_COMPLETE:
if(!hcibuf[2]){
hci_set_flag(HCI_FLAG_CHANGE_PTYPE_COMPLETE);
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nChange Packet type successful"), 0x80);
#endif
}
else{
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nChange Packet type failed"), 0x80);
#endif
}
#ifdef EXTRADEBUG
default:
if(hcibuf[0] != 0x00) {
Notify(PSTR("\r\nUnmanaged HCI Event: "), 0x80);
D_PrintHex(hcibuf[0], 0x80);
}
break;
#endif
} // Switch
}
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_UART_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_UART_HOST
Notify(PSTR("\r\nNo response to HCI Reset"), 0x80);
#endif
hci_state = HCI_INIT_STATE;
hci_counter = 0;
}
break;
case HCI_WRITE_EN_STATE:
if(hci_check_flag(HCI_FLAG_CMD_COMPLETE)){
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nWrite access enabled"), 0x80);
#endif
hci_write_class_of_device();
hci_state = HCI_CLASS_STATE;
}
else{
hci_write_class_of_device();
hci_state = HCI_CLASS_STATE;
}
break;
case HCI_CLASS_STATE:
if(hci_check_flag(HCI_FLAG_CMD_COMPLETE)) {
#ifdef DEBUG_UART_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_UART_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_UART_HOST
Notify(PSTR("\r\nThe name is set to: "), 0x80);
printStringCRNL1(btdName);
#endif
hci_write_scan_enable();
hci_state = HCI_CHECK_DEVICE_SERVICE;
}
break;
case HCI_CHECK_DEVICE_SERVICE:
if(pairWithHIDDevice || pairWithWii) { // Check if it should try to connect to a Wiimote
#ifdef DEBUG_UART_HOST
if(pairWithWii)
Notify(PSTR("\r\nStarting inquiry\r\nPress 1 & 2 on the Wiimote\r\nOr press the SYNC button if you are using a Wii U Pro Controller or a Wii Balance Board"), 0x80);
else
Notify(PSTR("\r\nPlease enable discovery of your device"), 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_UART_HOST
if(pairWithWii)
Notify(PSTR("\r\nWiimote found"), 0x80);
else
Notify(PSTR("\r\nHID device found"), 0x80);
Notify(PSTR("\r\nNow just create the instance like so:"), 0x80);
if(pairWithWii)
Notify(PSTR("\r\nWII Wii(&Btd);"), 0x80);
else
Notify(PSTR("\r\nBTHID bthid(&Btd);"), 0x80);
Notify(PSTR("\r\nAnd then press any button on the "), 0x80);
if(pairWithWii)
Notify(PSTR("Wiimote"), 0x80);
else
Notify(PSTR("device"), 0x80);
#endif
if(checkRemoteName) {
hci_remote_name(); // We need to know the name to distinguish between the Wiimote, the new Wiimote with Motion Plus inside, a Wii U Pro Controller and a Wii Balance Board
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_UART_HOST
if(pairWithWii)
Notify(PSTR("\r\nConnecting to Wiimote"), 0x80);
else
Notify(PSTR("\r\nConnecting to HID device"), 0x80);
#endif
checkRemoteName = false;
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_UART_HOST
if(pairWithWii)
Notify(PSTR("\r\nConnected to Wiimote"), 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_UART_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) {
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nWait For Incoming Connection Request"), 0x80);
#endif
hci_write_scan_enable();
waitingForConnection = true;
hci_state = HCI_CONNECT_IN_STATE;
}
break;
case HCI_CONNECT_IN_STATE:
if(hci_check_flag(HCI_FLAG_INCOMING_REQUEST)) {
waitingForConnection = false;
#ifdef DEBUG_UART_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_UART_HOST
Notify(PSTR("\r\nRemote Name: "), 0x80);
for(uint8_t i = 0; i < strlen(remote_name); i++)
NotifyS(remote_name[i], 0x80);
#endif
if(strncmp((const char*)remote_name, "Nintendo", 8) == 0) {
incomingWii = true;
motionPlusInside = false;
wiiUProController = false;
pairWiiUsingSync = false;
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nWiimote is connecting"), 0x80);
#endif
if(strncmp((const char*)remote_name, "Nintendo RVL-CNT-01-TR", 22) == 0) {
#ifdef DEBUG_UART_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_UART_HOST
Notify(PSTR(" - Wii U Pro Controller"), 0x80);
#endif
wiiUProController = motionPlusInside = pairWiiUsingSync = true;
} else if(strncmp((const char*)remote_name, "Nintendo RVL-WBC-01", 19) == 0) {
#ifdef DEBUG_UART_HOST
Notify(PSTR(" - Wii Balance Board"), 0x80);
#endif
pairWiiUsingSync = true;
}
}
if(classOfDevice[2] == 0 && classOfDevice[1] == 0x25 && classOfDevice[0] == 0x08 && strncmp((const char*)remote_name, "Wireless Controller", 19) == 0) {
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nPS4 controller is connecting"), 0x80);
#endif
incomingPS4 = true;
}
if(pairWithWii && checkRemoteName)
hci_state = HCI_CONNECT_DEVICE_STATE;
else {
hci_write_authentication_enable();
hci_state = HCI_WRITE_AUTHENTICATION_STATE;
}
}
break;
case HCI_WRITE_AUTHENTICATION_STATE:
if(hci_check_flag(HCI_FLAG_CMD_COMPLETE)){
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nWrite authentication Enabled"), 0x80);
#endif
hci_accept_connection();
hci_state = HCI_CONNECTED_STATE;
}
break;
case HCI_CONNECTED_STATE:
if(hci_check_flag(HCI_FLAG_CONNECT_COMPLETE)) {
#ifdef DEBUG_UART_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_PSCAN_REP_STATE;
}
break;
case HCI_PSCAN_REP_STATE:
if(hci_check_flag(HCI_FLAG_PSCAN_REP)){
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nPage Scan Repetition Mode Change Event"),0x80);
#endif
}
//hci_read_remote_version();
hci_state = HCI_DONE_STATE;
break;
case HCI_READ_VERSION:
if(hci_check_flag(HCI_FLAG_REMOTE_VER_COMPLETE)){
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nReceived Remote Version"),0x80);
#endif
hci_state = HCI_READ_REMOTE_NAME;
hci_remote_name();
}
break;
case HCI_READ_REMOTE_NAME:
if(hci_check_flag(HCI_FLAG_REMOTE_NAME_COMPLETE)){
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nReceived Remote Name"),0x80);
#endif
hci_change_packet_type();
hci_state = HCI_CHANGE_PACKET_TYPE;
}
break;
case HCI_CHANGE_PACKET_TYPE:
if(hci_check_flag(HCI_FLAG_CHANGE_PTYPE_COMPLETE)){
#ifdef DEBUG_UART_HOST
Notify(PSTR("\r\nPacket type changed"),0x80);
#endif
}
hci_state = HCI_DONE_STATE;
break;
case HCI_WRITE_LINK_POLICY:
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_UART_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 = checkRemoteName = false;
incomingPS4 = false;
hci_state = HCI_SCANNING_STATE;
}
break;
default:
break;
}
}
void BTD::ACL_event_task() {
uint16_t length = BULK_MAXPKTSIZE;
if(length > 0) { // Check if any data was read
btService->ACLData(aclbuf);
btService->Run();
}
}
uint8_t BTD::BPoll() {
if(((int32_t)((uint32_t)millis() - qNextPollTime) >= 0L) || EVENT_RECEIVED || ACL_DATA_RECEIVED) { // Don't poll if shorter than polling interval
if(EVENT_RECEIVED){
EVENT_RECEIVED = 0;
HCI_event_task();
HCI_task();
}
if(ACL_DATA_RECEIVED)
ACL_DATA_RECEIVED = 0;
ACL_event_task();
}
qNextPollTime = (uint32_t)millis() + pollInterval; // Set new poll time
//printStringCRNL1("Polling");
return 0;
}
/************************************************************/
/* HCI Commands */
/************************************************************/
void BTD::HCI_Command(uint8_t *data, uint16_t nbytes) {
hci_clear_flag(HCI_FLAG_CMD_COMPLETE);
USART0_Transmit(0x01); //HCI UART Event header
for(uint8_t i = 0; i < nbytes; i++){
USART0_Transmit(data[i]);
}
}
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() {
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(pairWiiUsingSync) {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nPairing with Wii controller via SYNC"), 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] = 0x00; // Robot
hcibuf[4] = 0x01; // Toy
hcibuf[5] = 0x00;
HCI_Command(hcibuf, 6);
}
void BTD::hci_change_packet_type() {
hcibuf[0] = 0x0f; // HCI OCF = 0F
hcibuf[1] = 0x01 << 2; // HCI OGF = 1
hcibuf[2] = 0x04; // parameter length 4
hcibuf[3] = 0x0c;
hcibuf[4] = 0x00;
hcibuf[5] = 0x18;
hcibuf[6] = 0xcc;
HCI_Command(hcibuf, 7);
}
void BTD::hci_read_remote_version(){
hcibuf[0] = 0x1d; // HCI OCF = 1D
hcibuf[1] = 0x01 << 2; // HCI OGF = 3
hcibuf[2] = 0x02; // parameter length = 3
hcibuf[3] = 0x0c;
hcibuf[4] = 0x00;
HCI_Command(hcibuf, 5);
}
void BTD::hci_write_link_policy(){
hcibuf[0] = 0x0d; // HCI OCF = 0D
hcibuf[1] = 0x02 << 2; // HCI OGF = 1
hcibuf[2] = 0x04; // parameter length 4
hcibuf[3] = 0x0c;