in ScpControl/Bluetooth/BthDongle.Tasks.cs [517:1060]
private void HicWorker(object o)
{
var token = (CancellationToken) o;
var nameList = new SortedDictionary<string, string>();
var hci = IniConfig.Instance.Hci;
var bStarted = false;
var bd = string.Empty;
var buffer = new byte[512];
var bdAddr = new byte[6];
var bdLink = new byte[16];
var bdHandle = new byte[2];
var transfered = 0;
var command = HCI.Command.HCI_Null;
var connection = new BthConnection();
Log.DebugFormat("Bluetooth Host Controller Interface Task starting on Interrupt Input Pipe: {0:X2}", IntIn);
HCI_Reset();
while (!token.IsCancellationRequested)
{
try
{
// HCI traffic using the interrupt pipe
if (ReadIntPipe(buffer, buffer.Length, ref transfered) && transfered > 0)
{
if (Enum.IsDefined(typeof (HCI.Event), buffer[0]))
{
var Event = (HCI.Event) buffer[0];
switch (Event)
{
case HCI.Event.HCI_Command_Complete_EV:
command = (HCI.Command) (ushort) (buffer[3] | buffer[4] << 8);
Log.DebugFormat(">> {0} [{1:X2}] [{2:X2}] [{3}]", Event, buffer[0], buffer[5],
command);
break;
case HCI.Event.HCI_Command_Status_EV:
command = (HCI.Command) (ushort) (buffer[4] | buffer[5] << 8);
Log.DebugFormat(">> {0} [{1:X2}] [{2:X2}] [{3}]", Event, buffer[0], buffer[2],
command);
if (buffer[2] != 0)
{
switch (command)
{
case HCI.Command.HCI_Write_Simple_Pairing_Mode:
case HCI.Command.HCI_Write_Authentication_Enable:
case HCI.Command.HCI_Set_Event_Mask:
GlobalConfiguration.Instance.DisableSSP = true;
Log.Warn(
"-- Simple Pairing not supported on this device. [SSP Disabled]");
transfered = HCI_Write_Scan_Enable();
break;
}
}
break;
case HCI.Event.HCI_Number_Of_Completed_Packets_EV:
break;
default:
Log.DebugFormat(">> {0} [{1:X2}]", Event, buffer[0]);
break;
}
switch (Event)
{
#region HCI_Command_Complete_EV
case HCI.Event.HCI_Command_Complete_EV:
if (command == HCI.Command.HCI_Reset && buffer[5] == 0 && !bStarted)
{
bStarted = true;
// TODO: do we really need this?
Thread.Sleep(250);
transfered = HCI_Read_BD_Addr();
}
if (command == HCI.Command.HCI_Read_BD_ADDR && buffer[5] == 0)
{
BluetoothHostAddress =
new PhysicalAddress(new[]
{buffer[11], buffer[10], buffer[9], buffer[8], buffer[7], buffer[6]});
transfered = HCI_Read_Buffer_Size();
}
if (command == HCI.Command.HCI_Read_Buffer_Size && buffer[5] == 0)
{
Log.DebugFormat("-- {0:X2}{1:X2}, {2:X2}, {3:X2}{4:X2}, {5:X2}{6:X2}", buffer[7],
buffer[6], buffer[8], buffer[10], buffer[9], buffer[12], buffer[11]);
transfered = HCI_Read_Local_Version_Info();
}
#region Host version
// incoming HCI firmware version information
if (command == HCI.Command.HCI_Read_Local_Version_Info && buffer[5] == 0)
{
var hciMajor = buffer[6];
var lmpMajor = buffer[9];
HciVersion = string.Format("{0}.{1:X4}", buffer[6], buffer[8] << 8 | buffer[7]);
LmpVersion = string.Format("{0}.{1:X4}", buffer[9],
buffer[13] << 8 | buffer[12]);
Log.InfoFormat(
"Initializing Bluetooth host {0} (HCI-Version: {1}, LMP-Version: {2})",
BluetoothHostAddress.AsFriendlyName(),
HciVersion, LmpVersion);
/* analyzes Host Controller Interface (HCI) major version
* see https://www.bluetooth.org/en-us/specification/assigned-numbers/host-controller-interface
* */
switch (hciMajor)
{
case 0:
Log.DebugFormat("HCI_Version: Bluetooth® Core Specification 1.0b");
break;
case 1:
Log.DebugFormat("HCI_Version: Bluetooth Core Specification 1.1");
break;
case 2:
Log.DebugFormat("HCI_Version: Bluetooth Core Specification 1.2");
break;
case 3:
Log.DebugFormat("HCI_Version: Bluetooth Core Specification 2.0 + EDR");
break;
case 4:
Log.DebugFormat("HCI_Version: Bluetooth Core Specification 2.1 + EDR");
break;
case 5:
Log.DebugFormat("HCI_Version: Bluetooth Core Specification 3.0 + HS");
break;
case 6:
Log.DebugFormat("HCI_Version: Bluetooth Core Specification 4.0");
break;
case 7:
Log.DebugFormat("HCI_Version: Bluetooth Core Specification 4.1");
break;
case 8:
Log.DebugFormat("HCI_Version: Bluetooth Core Specification 4.2");
break;
default:
// this should not happen
Log.ErrorFormat("HCI_Version: Specification unknown");
break;
}
/* analyzes Link Manager Protocol (LMP) major version
* see https://www.bluetooth.org/en-us/specification/assigned-numbers/link-manager
* */
switch (lmpMajor)
{
case 0:
Log.DebugFormat("LMP_Version: Bluetooth® Core Specification 1.0b");
break;
case 1:
Log.DebugFormat("LMP_Version: Bluetooth Core Specification 1.1");
break;
case 2:
Log.DebugFormat("LMP_Version: Bluetooth Core Specification 1.2");
break;
case 3:
Log.DebugFormat("LMP_Version: Bluetooth Core Specification 2.0 + EDR");
break;
case 4:
Log.DebugFormat("LMP_Version: Bluetooth Core Specification 2.1 + EDR");
break;
case 5:
Log.DebugFormat("LMP_Version: Bluetooth Core Specification 3.0 + HS");
break;
case 6:
Log.DebugFormat("LMP_Version: Bluetooth Core Specification 4.0");
break;
case 7:
Log.DebugFormat("LMP_Version: Bluetooth Core Specification 4.1");
break;
case 8:
Log.DebugFormat("LMP_Version: Bluetooth Core Specification 4.2");
break;
default:
// this should not happen
Log.ErrorFormat("LMP_Version: Specification unknown");
break;
}
// Bluetooth v2.0 + EDR
if (hciMajor >= 3 && lmpMajor >= 3)
{
Log.InfoFormat(
"Bluetooth host supports communication with DualShock 3 controllers");
}
// Bluetooth v2.1 + EDR
if (hciMajor >= 4 && lmpMajor >= 4)
{
Log.InfoFormat(
"Bluetooth host supports communication with DualShock 4 controllers");
}
// dongle effectively too old/unsupported
if (hciMajor < 3 || lmpMajor < 3)
{
Log.FatalFormat(
"Unsupported Bluetooth Specification, aborting communication");
transfered = HCI_Reset();
break;
}
// use simple pairing?
if (GlobalConfiguration.Instance.DisableSSP)
{
transfered = HCI_Write_Scan_Enable();
}
else
{
transfered = HCI_Write_Simple_Pairing_Mode();
}
}
#endregion
if (command == HCI.Command.HCI_Write_Simple_Pairing_Mode)
{
if (buffer[5] == 0)
{
transfered = HCI_Write_Simple_Pairing_Debug_Mode();
}
else
{
GlobalConfiguration.Instance.DisableSSP = true;
Log.Warn("-- Simple Pairing not supported on this device. [SSP Disabled]");
transfered = HCI_Write_Scan_Enable();
}
}
if (command == HCI.Command.HCI_Write_Simple_Pairing_Debug_Mode)
{
transfered = HCI_Write_Authentication_Enable();
}
if (command == HCI.Command.HCI_Write_Authentication_Enable)
{
if (buffer[5] == 0)
{
transfered = HCI_Set_Event_Mask();
}
else
{
GlobalConfiguration.Instance.DisableSSP = true;
Log.Warn("-- Simple Pairing not supported on this device. [SSP Disabled]");
transfered = HCI_Write_Scan_Enable();
}
}
if (command == HCI.Command.HCI_Set_Event_Mask)
{
if (buffer[5] == 0)
{
transfered = HCI_Write_Page_Timeout();
}
else
{
GlobalConfiguration.Instance.DisableSSP = true;
Log.Warn("-- Simple Pairing not supported on this device. [SSP Disabled]");
transfered = HCI_Write_Scan_Enable();
}
}
if (command == HCI.Command.HCI_Write_Page_Timeout && buffer[5] == 0)
{
transfered = HCI_Write_Page_Scan_Activity();
}
if (command == HCI.Command.HCI_Write_Page_Scan_Activity && buffer[5] == 0)
{
transfered = HCI_Write_Page_Scan_Type();
}
if (command == HCI.Command.HCI_Write_Page_Scan_Type && buffer[5] == 0)
{
transfered = HCI_Write_Inquiry_Scan_Activity();
}
if (command == HCI.Command.HCI_Write_Inquiry_Scan_Activity && buffer[5] == 0)
{
transfered = HCI_Write_Inquiry_Scan_Type();
}
if (command == HCI.Command.HCI_Write_Inquiry_Scan_Type && buffer[5] == 0)
{
transfered = HCI_Write_Inquiry_Mode();
}
if (command == HCI.Command.HCI_Write_Inquiry_Mode && buffer[5] == 0)
{
transfered = HCI_Write_Class_of_Device();
}
if (command == HCI.Command.HCI_Write_Class_of_Device && buffer[5] == 0)
{
transfered = HCI_Write_Extended_Inquiry_Response();
}
if (command == HCI.Command.HCI_Write_Extended_Inquiry_Response && buffer[5] == 0)
{
transfered = HCI_Write_Local_Name();
}
if (command == HCI.Command.HCI_Write_Local_Name && buffer[5] == 0)
{
transfered = HCI_Write_Scan_Enable();
}
if (command == HCI.Command.HCI_Write_Scan_Enable && buffer[5] == 0)
{
Initialised = true;
}
break;
#endregion
#region HCI_Connection_Request_EV
case HCI.Event.HCI_Connection_Request_EV:
Buffer.BlockCopy(buffer, 2, bdAddr, 0, 6);
transfered = HCI_Delete_Stored_Link_Key(bdAddr);
transfered = HCI_Accept_Connection_Request(bdAddr, 0x00);
break;
#endregion
#region HCI_Connection_Complete_EV
case HCI.Event.HCI_Connection_Complete_EV:
//buffer[2] contains the status of connection_complete_ev. it's always 0 if succeed
if (buffer[2] == 0x00)
{
Log.DebugFormat("-- HCI_Connection_Complete_EV OK, status: {0:X2}", buffer[2]);
//saving the handle for later usage
bdHandle[0] = buffer[3];
bdHandle[1] = buffer[4];
_connectionPendingEvent.Reset();
//only after connection completed with status 0 we request for controller's name.
transfered = HCI_Remote_Name_Request(bdAddr);
}
else
{
Log.WarnFormat(
"-- HCI_Connection_Complete_EV failed with status: {0:X2}. Connection handle:0x{1:X2}{2:X2}",
buffer[2], buffer[4], buffer[3]);
// TODO: you might want to add some other command here to break or retry.
}
break;
#endregion
#region HCI_Disconnection_Complete_EV
case HCI.Event.HCI_Disconnection_Complete_EV:
Remove(buffer[3], (byte) (buffer[4] | 0x20));
break;
#endregion
#region HCI_Number_Of_Completed_Packets_EV
case HCI.Event.HCI_Number_Of_Completed_Packets_EV:
for (byte index = 0, ptr = 3; index < buffer[2]; index++, ptr += 4)
{
OnCompletedCount(buffer[ptr], (byte) (buffer[ptr + 1] | 0x20),
(ushort) (buffer[ptr + 2] | buffer[ptr + 3] << 8));
}
break;
#endregion
#region HCI_Remote_Name_Request_Complete_EV
case HCI.Event.HCI_Remote_Name_Request_Complete_EV:
bd = string.Format("{0:X2}:{1:X2}:{2:X2}:{3:X2}:{4:X2}:{5:X2}", buffer[8], buffer[7],
buffer[6], buffer[5], buffer[4], buffer[3]);
var nm = new StringBuilder();
// extract product name
for (var index = 9; index < buffer.Length; index++)
{
if (buffer[index] > 0) nm.Append((char) buffer[index]);
else break;
}
var name = nm.ToString();
Log.DebugFormat("-- Remote Name : {0} - {1}", bd, name);
// extract MAC address
Buffer.BlockCopy(buffer, 3, bdAddr, 0, 6);
if (hci.SupportedNames.Any(n => name.StartsWith(n))
|| hci.SupportedNames.Any(n => name == n))
{
nameList.Add(bd, name);
// the code below is just cut-paste from "case HCI.Event.HCI_Connection_Complete_EV"
// just some adjustments made in the buffer variables
if (!nameList.Any())
break;
//using there the handles saved earlier
connection = Add(bdHandle[0], (byte) (bdHandle[1] | 0x20), nameList[bd]);
#region Fake DS3 workaround
// skip fake check for version 4 controllers
if (!name.Equals(BthDs4.GenuineProductName, StringComparison.OrdinalIgnoreCase))
{
if (!hci.GenuineMacAddresses.Any(m => bd.StartsWith(m)))
{
connection.IsFake = true;
Log.Warn("Fake DualShock 3 found. Trying Workarounds...");
}
else
{
connection.IsFake = false;
Log.Info("Genuine Sony DualShock 3 found");
}
}
else
{
Log.Info("Sony DualShock 4 found");
}
#endregion
connection.RemoteName = nameList[bd];
nameList.Remove(bd);
connection.DeviceAddress =
new PhysicalAddress(new[]
{buffer[8], buffer[7], buffer[6], buffer[5], buffer[4], buffer[3]});
_connectionPendingEvent.Set();
}
else
{
transfered = HCI_Reject_Connection_Request(bdAddr, 0x0F);
}
break;
#endregion
#region HCI_Link_Key_Request_EV
case HCI.Event.HCI_Link_Key_Request_EV:
Buffer.BlockCopy(buffer, 2, bdAddr, 0, 6);
transfered = HCI_Link_Key_Request_Reply(bdAddr);
transfered = HCI_Set_Connection_Encryption(connection.HciHandle);
break;
#endregion
#region HCI_PIN_Code_Request_EV
case HCI.Event.HCI_PIN_Code_Request_EV:
Buffer.BlockCopy(buffer, 2, bdAddr, 0, 6);
transfered = HCI_PIN_Code_Request_Negative_Reply(bdAddr);
break;
#endregion
#region HCI_IO_Capability_Request_EV
case HCI.Event.HCI_IO_Capability_Request_EV:
transfered = HCI_IO_Capability_Request_Reply(bdAddr);
break;
#endregion
#region HCI_User_Confirmation_Request_EV
case HCI.Event.HCI_User_Confirmation_Request_EV:
transfered = HCI_User_Confirmation_Request_Reply(bdAddr);
break;
#endregion
#region HCI_Link_Key_Notification_EV
case HCI.Event.HCI_Link_Key_Notification_EV:
Buffer.BlockCopy(buffer, 2, bdAddr, 0, 6);
Buffer.BlockCopy(buffer, 8, bdLink, 0, 16);
transfered = HCI_Set_Connection_Encryption(connection.HciHandle);
break;
#endregion
}
}
}
}
catch (Exception ex)
{
Log.ErrorFormat("Unexpected error in HCI_Worker_Thread: {0}", ex);
}
}
HCI_Reset();
Log.Debug("-- Bluetooth : HCI_Worker_Thread Exiting");
}