/*\r
LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
+ Copyright (C) Dean Camera, 2010.\r
\r
dean [at] fourwalledcubicle [dot] com\r
www.fourwalledcubicle.com\r
*/\r
\r
/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
+ Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, distribute, and sell this \r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in \r
+ all copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting \r
+ documentation, and that the name of the author not be used in \r
+ advertising or publicity pertaining to distribution of the \r
software without specific, written prior permission.\r
\r
The author disclaim all warranties with regard to this\r
this software.\r
*/\r
\r
-#include "BluetoothHCICommands.h"\r
+/*\r
+ TODO: Add local to remote device connections\r
+ */\r
\r
-static Bluetooth_HCICommand_Header_t HCICommandHeader;\r
-static Bluetooth_HCIEvent_Header_t HCIEventHeader;\r
+#define INCLUDE_FROM_BLUETOOTHHCICOMMANDS_C\r
+#include "BluetoothHCICommands.h"\r
\r
- uint8_t Bluetooth_HCIProcessingState;\r
-static uint8_t Bluetooth_TempDeviceAddress[6];\r
+/** Temporary Bluetooth Device Address, for HCI responses which much include the detination address */\r
+static uint8_t Bluetooth_TempDeviceAddress[6];\r
\r
-static uint8_t Bluetooth_SendHCICommand(void* Parameters, uint8_t ParamLength)\r
+/** Bluetooth HCI processing task. This task should be called repeatedly the main Bluetooth\r
+ * stack task to manage the HCI processing state.\r
+ */\r
+void Bluetooth_HCITask(void)\r
{\r
- uint8_t CommandBuffer[sizeof(HCICommandHeader) + HCICommandHeader.ParameterLength];\r
-\r
- USB_ControlRequest = (USB_Request_Header_t)\r
- {\r
- bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_DEVICE),\r
- bRequest: 0,\r
- wValue: 0,\r
- wIndex: 0,\r
- wLength: sizeof(CommandBuffer)\r
- };\r
- \r
- memset(CommandBuffer, 0x00, sizeof(CommandBuffer));\r
- memcpy(CommandBuffer, &HCICommandHeader, sizeof(HCICommandHeader));\r
- \r
- if (ParamLength)\r
- memcpy(&CommandBuffer[sizeof(HCICommandHeader)], Parameters, ParamLength);\r
-\r
- Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
- return USB_Host_SendControlRequest(CommandBuffer);\r
-}\r
+ BT_HCICommand_Header_t HCICommandHeader;\r
\r
-static bool Bluetooth_GetNextHCIEventHeader(void)\r
-{\r
- Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);\r
- Pipe_Unfreeze();\r
- \r
- if (!(Pipe_IsReadWriteAllowed()))\r
+ switch (Bluetooth_State.CurrentHCIState)\r
{\r
- Pipe_Freeze();\r
- return false;\r
- }\r
- \r
- Pipe_Read_Stream_LE(&HCIEventHeader, sizeof(HCIEventHeader));\r
- \r
- Pipe_Freeze();\r
-\r
- return true;\r
-}\r
+ case Bluetooth_ProcessEvents:\r
+ Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);\r
+ Pipe_Unfreeze();\r
+ \r
+ if (Pipe_IsReadWriteAllowed())\r
+ {\r
+ BT_HCIEvent_Header_t HCIEventHeader;\r
\r
-static void Bluetooth_DiscardRemainingHCIEventParameters(void)\r
-{\r
- Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);\r
- \r
- Pipe_Unfreeze();\r
- Pipe_Discard_Stream(HCIEventHeader.ParameterLength);\r
- Pipe_ClearIN();\r
- Pipe_Freeze();\r
-}\r
+ /* Read in the event header to fetch the event code and payload length */\r
+ Pipe_Read_Stream_LE(&HCIEventHeader, sizeof(HCIEventHeader));\r
+ \r
+ /* Create a temporary buffer for the event parameters */\r
+ uint8_t EventParams[HCIEventHeader.ParameterLength];\r
\r
-void Bluetooth_ProcessHCICommands(void)\r
-{\r
- uint8_t ErrorCode;\r
+ /* Read in the event parameters into the temporary buffer */\r
+ Pipe_Read_Stream_LE(&EventParams, HCIEventHeader.ParameterLength);\r
+ Pipe_ClearIN();\r
+ \r
+ BT_HCI_DEBUG(1, "Event Received (0x%02X)", HCIEventHeader.EventCode);\r
\r
- switch (Bluetooth_HCIProcessingState)\r
- {\r
- case Bluetooth_Init:\r
- Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);\r
+ switch (HCIEventHeader.EventCode)\r
+ {\r
+ case EVENT_COMMAND_COMPLETE:\r
+ BT_HCI_DEBUG(1, "<< Command Complete");\r
+ \r
+ /* Check which operation was completed in case we need to process the even parameters */\r
+ switch (((BT_HCIEvent_CommandComplete_t*)&EventParams)->Opcode)\r
+ {\r
+ case (OGF_CTRLR_INFORMATIONAL | OCF_CTRLR_INFORMATIONAL_READBDADDR):\r
+ /* A READ BDADDR command completed, copy over the local device's BDADDR from the response */\r
+ memcpy(Bluetooth_State.LocalBDADDR,\r
+ &((BT_HCIEvent_CommandComplete_t*)&EventParams)->ReturnParams[1],\r
+ sizeof(Bluetooth_State.LocalBDADDR));\r
+ break;\r
+ }\r
+ \r
+ Bluetooth_State.CurrentHCIState = Bluetooth_State.NextHCIState;\r
+ break;\r
+ case EVENT_COMMAND_STATUS:\r
+ BT_HCI_DEBUG(1, "<< Command Status");\r
+ BT_HCI_DEBUG(2, "-- Status Code: 0x%02X", (((BT_HCIEvent_CommandStatus_t*)&EventParams)->Status));\r
+\r
+ /* If the execution of a command failed, reset the stack */\r
+ if (((BT_HCIEvent_CommandStatus_t*)&EventParams)->Status)\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_Init;\r
+ break;\r
+ case EVENT_CONNECTION_REQUEST:\r
+ BT_HCI_DEBUG(1, "<< Connection Request");\r
+ BT_HCI_DEBUG(2, "-- Link Type: 0x%02X", (((BT_HCIEvent_ConnectionRequest_t*)&EventParams)->LinkType));\r
+\r
+ /* Need to store the remote device's BT address in a temporary buffer for later use */\r
+ memcpy(Bluetooth_TempDeviceAddress,\r
+ &((BT_HCIEvent_ConnectionRequest_t*)&EventParams)->RemoteAddress,\r
+ sizeof(Bluetooth_TempDeviceAddress));\r
+ \r
+ bool IsACLConnection = (((BT_HCIEvent_ConnectionRequest_t*)&EventParams)->LinkType == 0x01);\r
+\r
+ /* Only accept the connection if it is a ACL (data) connection, a device is not already connected\r
+ and the user application has indicated that the connection should be allowed */\r
+ Bluetooth_State.CurrentHCIState = (Bluetooth_Connection.IsConnected || !(IsACLConnection) ||\r
+ !(Bluetooth_ConnectionRequest(Bluetooth_TempDeviceAddress))) ?\r
+ Bluetooth_Conn_RejectConnection : Bluetooth_Conn_AcceptConnection;\r
+\r
+ BT_HCI_DEBUG(2, "-- Connection %S", (Bluetooth_State.CurrentHCIState == Bluetooth_Conn_RejectConnection) ?\r
+ PSTR("REJECTED") : PSTR("ACCEPTED"));\r
+\r
+ break;\r
+ case EVENT_PIN_CODE_REQUEST:\r
+ BT_HCI_DEBUG(1, "<< Pin Code Request");\r
+\r
+ /* Need to store the remote device's BT address in a temporary buffer for later use */\r
+ memcpy(Bluetooth_TempDeviceAddress,\r
+ &((BT_HCIEvent_PinCodeReq_t*)&EventParams)->RemoteAddress,\r
+ sizeof(Bluetooth_TempDeviceAddress));\r
+\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_Conn_SendPINCode;\r
+ break;\r
+ case EVENT_LINK_KEY_REQUEST:\r
+ BT_HCI_DEBUG(1, "<< Link Key Request");\r
+ \r
+ /* Need to store the remote device's BT address in a temporary buffer for later use */\r
+ memcpy(Bluetooth_TempDeviceAddress,\r
+ &((BT_HCIEvent_LinkKeyReq_t*)&EventParams)->RemoteAddress,\r
+ sizeof(Bluetooth_TempDeviceAddress)); \r
+ \r
+ Bluetooth_State.CurrentHCIState = Bluetooth_Conn_SendLinkKeyNAK;\r
+ break;\r
+ case EVENT_CONNECTION_COMPLETE:\r
+ BT_HCI_DEBUG(1, "<< Connection Complete");\r
+ BT_HCI_DEBUG(2, "-- Handle: 0x%04X", ((BT_HCIEvent_ConnectionComplete_t*)&EventParams)->ConnectionHandle);\r
+\r
+ /* Need to store the remote device's BT address in a temporary buffer for later use */\r
+ memcpy(Bluetooth_Connection.RemoteAddress,\r
+ &((BT_HCIEvent_ConnectionComplete_t*)&EventParams)->RemoteAddress,\r
+ sizeof(Bluetooth_TempDeviceAddress));\r
+\r
+ /* Store the created connection handle and indicate that the connection has been established */\r
+ Bluetooth_Connection.ConnectionHandle = ((BT_HCIEvent_ConnectionComplete_t*)&EventParams)->ConnectionHandle;\r
+ Bluetooth_Connection.IsConnected = true;\r
+ \r
+ Bluetooth_ConnectionComplete(); \r
+ break;\r
+ case EVENT_DISCONNECTION_COMPLETE:\r
+ BT_HCI_DEBUG(1, "<< Disconnection Complete");\r
+\r
+ /* Device disconnected, indicate connection information no longer valid */\r
+ Bluetooth_Connection.IsConnected = false;\r
+ \r
+ Bluetooth_DisconnectionComplete();\r
+ \r
+ Bluetooth_State.CurrentHCIState = Bluetooth_Init;\r
+ break;\r
+ }\r
+ }\r
+ \r
+ Pipe_Freeze();\r
\r
+ break;\r
+ case Bluetooth_Init:\r
+ BT_HCI_DEBUG(1, "# Init");\r
+\r
+ Bluetooth_State.IsInitialized = false;\r
+\r
+ /* Reset the connection information structure to destroy any previous connection state */\r
memset(&Bluetooth_Connection, 0x00, sizeof(Bluetooth_Connection));\r
- \r
- Bluetooth_HCIProcessingState = Bluetooth_Init_Reset; \r
+\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_Init_Reset; \r
break;\r
case Bluetooth_Init_Reset:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
+ BT_HCI_DEBUG(1, "# Reset");\r
+\r
+ HCICommandHeader = (BT_HCICommand_Header_t)\r
{\r
- OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_RESET},\r
+ OpCode: (OGF_CTRLR_BASEBAND | OCF_CTRLR_BASEBAND_RESET),\r
ParameterLength: 0,\r
};\r
- \r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Init_Reset", NULL);\r
-\r
- ErrorCode = Bluetooth_SendHCICommand(NULL, 0);\r
\r
- do\r
- {\r
- while (!(Bluetooth_GetNextHCIEventHeader()));\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
-\r
- Bluetooth_HCIProcessingState = Bluetooth_Init_ReadBufferSize;\r
+ /* Send the command to reset the bluetooth dongle controller */\r
+ Bluetooth_SendHCICommand(&HCICommandHeader, NULL, 0);\r
+ \r
+ Bluetooth_State.NextHCIState = Bluetooth_Init_ReadBufferSize;\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
break;\r
case Bluetooth_Init_ReadBufferSize:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
+ BT_HCI_DEBUG(1, "# Read Buffer Size");\r
+ \r
+ HCICommandHeader = (BT_HCICommand_Header_t)\r
{\r
- OpCode: {OGF: OGF_CTRLR_INFORMATIONAL, OCF: OGF_CTRLR_INFORMATIONAL_READBUFFERSIZE},\r
+ OpCode: (OGF_CTRLR_INFORMATIONAL | OCF_CTRLR_INFORMATIONAL_READBUFFERSIZE),\r
ParameterLength: 0,\r
};\r
- \r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Init_ReadBufferSize", NULL);\r
-\r
- ErrorCode = Bluetooth_SendHCICommand(NULL, 0);\r
\r
- do\r
- {\r
- while (!(Bluetooth_GetNextHCIEventHeader()));\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
+ /* Send the command to read the bluetooth buffer size (mandatory before device sends any data) */\r
+ Bluetooth_SendHCICommand(&HCICommandHeader, NULL, 0);\r
\r
- Bluetooth_HCIProcessingState = Bluetooth_Init_SetEventMask; \r
+ Bluetooth_State.NextHCIState = Bluetooth_Init_GetBDADDR;\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
break;\r
- case Bluetooth_Init_SetEventMask:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
+ case Bluetooth_Init_GetBDADDR:\r
+ BT_HCI_DEBUG(1, "# Get BDADDR");\r
+ \r
+ HCICommandHeader = (BT_HCICommand_Header_t)\r
{\r
- OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_SET_EVENT_MASK},\r
- ParameterLength: 8,\r
+ OpCode: (OGF_CTRLR_INFORMATIONAL | OCF_CTRLR_INFORMATIONAL_READBDADDR),\r
+ ParameterLength: 0,\r
};\r
- \r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Init_SetEventMask", NULL);\r
- \r
- uint8_t EventMask[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
- ErrorCode = Bluetooth_SendHCICommand(&EventMask, 8);\r
\r
- BT_DEBUG("(HCI) -- Event mask: 0x%02X%02X%02X%02X%02X%02X%02X%02X", EventMask[7], EventMask[6], EventMask[5], EventMask[4],\r
- EventMask[3], EventMask[2], EventMask[1], EventMask[0]);\r
- do\r
- {\r
- while (!(Bluetooth_GetNextHCIEventHeader()));\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
- \r
+ /* Send the command to retrieve the BDADDR of the inserted bluetooth dongle */\r
+ Bluetooth_SendHCICommand(&HCICommandHeader, NULL, 0);\r
\r
- Bluetooth_HCIProcessingState = Bluetooth_Init_SetLocalName; \r
+ Bluetooth_State.NextHCIState = Bluetooth_Init_SetLocalName;\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
break;\r
case Bluetooth_Init_SetLocalName:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
+ BT_HCI_DEBUG(1, "# Set Local Name");\r
+\r
+ HCICommandHeader = (BT_HCICommand_Header_t)\r
{\r
- OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_WRITE_LOCAL_NAME},\r
+ OpCode: (OGF_CTRLR_BASEBAND | OCF_CTRLR_BASEBAND_WRITE_LOCAL_NAME),\r
ParameterLength: 248,\r
};\r
\r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Init_SetLocalName", NULL);\r
- BT_DEBUG("(HCI) -- Name: %s", Bluetooth_DeviceConfiguration.Name);\r
+ /* Send the command to set the bluetooth dongle's name for other devices to see */\r
+ Bluetooth_SendHCICommand(&HCICommandHeader, Bluetooth_DeviceConfiguration.Name, strlen(Bluetooth_DeviceConfiguration.Name));\r
\r
- ErrorCode = Bluetooth_SendHCICommand(Bluetooth_DeviceConfiguration.Name, strlen(Bluetooth_DeviceConfiguration.Name));\r
- \r
- do\r
- {\r
- while (!(Bluetooth_GetNextHCIEventHeader()));\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
- \r
- Bluetooth_HCIProcessingState = Bluetooth_Init_SetDeviceClass;\r
+ Bluetooth_State.NextHCIState = Bluetooth_Init_SetDeviceClass;\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
break;\r
case Bluetooth_Init_SetDeviceClass:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
+ BT_HCI_DEBUG(1, "# Set Device Class");\r
+\r
+ HCICommandHeader = (BT_HCICommand_Header_t)\r
{\r
- OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_WRITE_CLASS_OF_DEVICE},\r
+ OpCode: (OGF_CTRLR_BASEBAND | OCF_CTRLR_BASEBAND_WRITE_CLASS_OF_DEVICE),\r
ParameterLength: 3,\r
};\r
\r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Init_SetDeviceClass", NULL);\r
-\r
- ErrorCode = Bluetooth_SendHCICommand(&Bluetooth_DeviceConfiguration.Class, 3);\r
+ /* Send the command to set the class of the device for other devices to see */\r
+ Bluetooth_SendHCICommand(&HCICommandHeader, &Bluetooth_DeviceConfiguration.Class, 3);\r
\r
- do\r
- {\r
- while (!(Bluetooth_GetNextHCIEventHeader()));\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
-\r
- Bluetooth_HCIProcessingState = Bluetooth_Init_WriteScanEnable; \r
+ Bluetooth_State.NextHCIState = Bluetooth_Init_WriteScanEnable;\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
break;\r
case Bluetooth_Init_WriteScanEnable:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
+ BT_HCI_DEBUG(1, "# Write Scan Enable");\r
+\r
+ HCICommandHeader = (BT_HCICommand_Header_t)\r
{\r
- OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_WRITE_SCAN_ENABLE},\r
+ OpCode: (OGF_CTRLR_BASEBAND | OCF_CTRLR_BASEBAND_WRITE_SCAN_ENABLE),\r
ParameterLength: 1,\r
};\r
- \r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Init_WriteScanEnable", NULL);\r
\r
- uint8_t Interval = InquiryAndPageScans;\r
- ErrorCode = Bluetooth_SendHCICommand(&Interval, 1);\r
-\r
- do\r
- {\r
- while (!(Bluetooth_GetNextHCIEventHeader()));\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
-\r
- Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;\r
- break;\r
- case Bluetooth_PrepareToProcessEvents:\r
- BT_DEBUG("(HCI) Enter State: Bluetooth_ProcessEvents", NULL);\r
-\r
- Bluetooth_HCIProcessingState = Bluetooth_ProcessEvents;\r
- break;\r
- case Bluetooth_ProcessEvents:\r
- if (Bluetooth_GetNextHCIEventHeader())\r
- {\r
- BT_DEBUG("(HCI) Event Code: 0x%02X", HCIEventHeader.EventCode);\r
+ uint8_t Interval = BT_SCANMODE_InquiryAndPageScans;\r
\r
- if (HCIEventHeader.EventCode == EVENT_COMMAND_STATUS)\r
- {\r
- Bluetooth_HCIEvent_CommandStatus_Header_t CommandStatusHeader;\r
-\r
- Pipe_Read_Stream_LE(&CommandStatusHeader, sizeof(CommandStatusHeader));\r
- HCIEventHeader.ParameterLength -= sizeof(CommandStatusHeader);\r
- \r
- BT_DEBUG("(HCI) >> Command status: 0x%02X", CommandStatusHeader.CommandStatus);\r
- \r
- if (CommandStatusHeader.CommandStatus)\r
- Bluetooth_HCIProcessingState = Bluetooth_Init;\r
- }\r
- else if (HCIEventHeader.EventCode == EVENT_CONNECTION_REQUEST)\r
- {\r
- Bluetooth_HCIEvent_ConnectionRequest_Header_t ConnectionRequestParams;\r
- \r
- Pipe_Read_Stream_LE(&ConnectionRequestParams, sizeof(ConnectionRequestParams));\r
- HCIEventHeader.ParameterLength -= sizeof(ConnectionRequestParams);\r
-\r
- BT_DEBUG("(HCI) >> Connection Request from device %02X:%02X:%02X:%02X:%02X:%02X",\r
- ConnectionRequestParams.RemoteAddress[5], ConnectionRequestParams.RemoteAddress[4], \r
- ConnectionRequestParams.RemoteAddress[3], ConnectionRequestParams.RemoteAddress[2], \r
- ConnectionRequestParams.RemoteAddress[1], ConnectionRequestParams.RemoteAddress[0]);\r
- BT_DEBUG("(HCI) -- Device Class: 0x%02X%04X", ConnectionRequestParams.ClassOfDevice_Service,\r
- ConnectionRequestParams.ClassOfDevice_MajorMinor);\r
- BT_DEBUG("(HCI) -- Link Type: 0x%02x", ConnectionRequestParams.LinkType);\r
- \r
- memcpy(Bluetooth_TempDeviceAddress, ConnectionRequestParams.RemoteAddress,\r
- sizeof(Bluetooth_TempDeviceAddress));\r
-\r
- Bluetooth_HCIProcessingState = (Bluetooth_Connection.IsConnected) ? Bluetooth_Conn_RejectConnection :\r
- Bluetooth_Conn_AcceptConnection;\r
- }\r
- else if (HCIEventHeader.EventCode == EVENT_DISCONNECTION_COMPLETE)\r
- {\r
- BT_DEBUG("(HCI) >> Disconnection from device complete.", NULL);\r
- Bluetooth_HCIProcessingState = Bluetooth_Init;\r
- }\r
- else if (HCIEventHeader.EventCode == EVENT_CONNECTION_COMPLETE)\r
- {\r
- Bluetooth_HCIEvent_ConnectionComplete_Header_t ConnectionCompleteParams;\r
- \r
- Pipe_Read_Stream_LE(&ConnectionCompleteParams, sizeof(ConnectionCompleteParams));\r
- HCIEventHeader.ParameterLength -= sizeof(ConnectionCompleteParams);\r
-\r
- BT_DEBUG("(HCI) >> Connection to device complete.", NULL);\r
- BT_DEBUG("(HCI) -- Status: %d", ConnectionCompleteParams.Status);\r
- BT_DEBUG("(HCI) -- Handle: %d", ConnectionCompleteParams.ConnectionHandle);\r
- \r
- if (ConnectionCompleteParams.Status == 0x00)\r
- {\r
- memcpy(Bluetooth_Connection.DeviceAddress, ConnectionCompleteParams.RemoteAddress,\r
- sizeof(Bluetooth_Connection.DeviceAddress));\r
- Bluetooth_Connection.ConnectionHandle = ConnectionCompleteParams.ConnectionHandle;\r
- Bluetooth_Connection.IsConnected = true;\r
- }\r
- }\r
- else if (HCIEventHeader.EventCode == EVENT_PIN_CODE_REQUEST)\r
- {\r
- Pipe_Read_Stream_LE(&Bluetooth_TempDeviceAddress, sizeof(Bluetooth_TempDeviceAddress));\r
- HCIEventHeader.ParameterLength -= sizeof(Bluetooth_TempDeviceAddress);\r
-\r
- BT_DEBUG("(HCI) >> PIN code Request from device %02X:%02X:%02X:%02X:%02X:%02X", \r
- Bluetooth_TempDeviceAddress[5], Bluetooth_TempDeviceAddress[4], Bluetooth_TempDeviceAddress[3],\r
- Bluetooth_TempDeviceAddress[2], Bluetooth_TempDeviceAddress[1], Bluetooth_TempDeviceAddress[0]);\r
- \r
- Bluetooth_HCIProcessingState = Bluetooth_Conn_SendPINCode;\r
- }\r
- \r
- BT_DEBUG("(HCI) -- Unread Event Param Length: %d", HCIEventHeader.ParameterLength);\r
+ /* Send the command to set the remote device scanning mode */\r
+ Bluetooth_SendHCICommand(&HCICommandHeader, &Interval, 1);\r
+ \r
+ Bluetooth_State.NextHCIState = Bluetooth_Init_FinalizeInit;\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
+ break;\r
+ case Bluetooth_Init_FinalizeInit:\r
+ Bluetooth_State.IsInitialized = true;\r
\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- }\r
+ /* Fire the user application callback to indicate that the stack is now fully initialized */\r
+ Bluetooth_StackInitialized();\r
\r
+ Bluetooth_State.NextHCIState = Bluetooth_ProcessEvents;\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
break;\r
case Bluetooth_Conn_AcceptConnection:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
+ BT_HCI_DEBUG(1, "# Accept Connection");\r
+\r
+ HCICommandHeader = (BT_HCICommand_Header_t)\r
{\r
- OpCode: {OGF: OGF_LINK_CONTROL, OCF: OCF_LINK_CONTROL_ACCEPT_CONNECTION_REQUEST},\r
- ParameterLength: sizeof(Bluetooth_HCICommand_AcceptConnectionRequest_Params_t),\r
+ OpCode: (OGF_LINK_CONTROL | OCF_LINK_CONTROL_ACCEPT_CONNECTION_REQUEST),\r
+ ParameterLength: sizeof(BT_HCICommand_AcceptConnectionReq_t),\r
};\r
- \r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_AcceptConnection", NULL);\r
\r
- Bluetooth_HCICommand_AcceptConnectionRequest_Params_t AcceptConnectionParams;\r
- \r
+ /* Copy over the temporary BT device address saved from the Connection Request event, indicate slave\r
+ connection role */\r
+ BT_HCICommand_AcceptConnectionReq_t AcceptConnectionParams;\r
memcpy(AcceptConnectionParams.RemoteAddress, Bluetooth_TempDeviceAddress,\r
- sizeof(Bluetooth_TempDeviceAddress));\r
+ sizeof(AcceptConnectionParams.RemoteAddress));\r
AcceptConnectionParams.SlaveRole = true;\r
\r
- Bluetooth_SendHCICommand(&AcceptConnectionParams, sizeof(AcceptConnectionParams));\r
+ /* Send the command to accept the remote connection request */\r
+ Bluetooth_SendHCICommand(&HCICommandHeader, &AcceptConnectionParams, sizeof(BT_HCICommand_AcceptConnectionReq_t));\r
\r
- Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
break;\r
case Bluetooth_Conn_RejectConnection:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
+ BT_HCI_DEBUG(1, "# Reject Connection");\r
+\r
+ HCICommandHeader = (BT_HCICommand_Header_t)\r
{\r
- OpCode: {OGF: OGF_LINK_CONTROL, OCF: OCF_LINK_CONTROL_ACCEPT_CONNECTION_REQUEST},\r
- ParameterLength: sizeof(Bluetooth_HCICommand_RejectConnectionRequest_Params_t),\r
+ OpCode: (OGF_LINK_CONTROL | OCF_LINK_CONTROL_REJECT_CONNECTION_REQUEST),\r
+ ParameterLength: sizeof(BT_HCICommand_RejectConnectionReq_t),\r
};\r
- \r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_RejectConnection", NULL);\r
\r
- Bluetooth_HCICommand_RejectConnectionRequest_Params_t RejectConnectionParams;\r
+ /* Copy over the temporary BT device address saved from the Connection Request event, indicate failure\r
+ to accept the connection due to limited device resources or incorrect device address */\r
+ BT_HCICommand_RejectConnectionReq_t RejectConnectionParams;\r
+ memcpy(RejectConnectionParams.RemoteAddress, Bluetooth_TempDeviceAddress, sizeof(RejectConnectionParams.RemoteAddress));\r
+ RejectConnectionParams.Reason = Bluetooth_Connection.IsConnected ? ERROR_LIMITED_RESOURCES : ERROR_UNACCEPTABLE_BDADDR;\r
\r
- memcpy(RejectConnectionParams.RemoteAddress, Bluetooth_TempDeviceAddress,\r
- sizeof(Bluetooth_TempDeviceAddress));\r
- RejectConnectionParams.Reason = ERROR_LIMITED_RESOURCES;\r
-\r
- Bluetooth_SendHCICommand(&AcceptConnectionParams, sizeof(AcceptConnectionParams));\r
+ /* Send the command to reject the remote connection request */\r
+ Bluetooth_SendHCICommand(&HCICommandHeader, &RejectConnectionParams, sizeof(BT_HCICommand_RejectConnectionReq_t));\r
\r
- Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
break;\r
case Bluetooth_Conn_SendPINCode:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
+ BT_HCI_DEBUG(1, "# Send Pin Code");\r
+\r
+ HCICommandHeader = (BT_HCICommand_Header_t)\r
{\r
- OpCode: {OGF: OGF_LINK_CONTROL, OCF: OCF_LINK_CONTROL_PIN_CODE_REQUEST_REPLY},\r
- ParameterLength: sizeof(Bluetooth_HCICommand_PinCodeResponse_Params_t),\r
+ OpCode: (OGF_LINK_CONTROL | OCF_LINK_CONTROL_PIN_CODE_REQUEST_REPLY),\r
+ ParameterLength: sizeof(BT_HCICommand_PinCodeResp_t),\r
};\r
- \r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_SendPINCode", NULL);\r
- BT_DEBUG("(HCI) -- PIN: %s", Bluetooth_DeviceConfiguration.PINCode);\r
\r
- Bluetooth_HCICommand_PinCodeResponse_Params_t PINCodeRequestParams;\r
- \r
- memcpy(PINCodeRequestParams.RemoteAddress, Bluetooth_TempDeviceAddress,\r
- sizeof(Bluetooth_TempDeviceAddress));\r
+ /* Copy over the temporary BT device address saved from the PIN Code Request event, copy over the\r
+ local PIN authentication code to the response */\r
+ BT_HCICommand_PinCodeResp_t PINCodeRequestParams;\r
+ memcpy(PINCodeRequestParams.RemoteAddress, Bluetooth_TempDeviceAddress, sizeof(PINCodeRequestParams.RemoteAddress));\r
PINCodeRequestParams.PINCodeLength = strlen(Bluetooth_DeviceConfiguration.PINCode);\r
- memcpy(PINCodeRequestParams.PINCode, Bluetooth_DeviceConfiguration.PINCode,\r
- sizeof(Bluetooth_DeviceConfiguration.PINCode));\r
+ memcpy(PINCodeRequestParams.PINCode, Bluetooth_DeviceConfiguration.PINCode, sizeof(PINCodeRequestParams.PINCode));\r
\r
- Bluetooth_SendHCICommand(&PINCodeRequestParams, sizeof(PINCodeRequestParams));\r
- \r
- do\r
- {\r
- while (!(Bluetooth_GetNextHCIEventHeader()));\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
+ /* Send the command to transmit the device's local PIN number for authentication */\r
+ Bluetooth_SendHCICommand(&HCICommandHeader, &PINCodeRequestParams, sizeof(BT_HCICommand_PinCodeResp_t));\r
+\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
+ break;\r
+ case Bluetooth_Conn_SendLinkKeyNAK:\r
+ BT_HCI_DEBUG(1, "# Send Link Key NAK");\r
+\r
+ HCICommandHeader = (BT_HCICommand_Header_t)\r
+ {\r
+ OpCode: (OGF_LINK_CONTROL | OCF_LINK_CONTROL_LINK_KEY_REQUEST_NEG_REPLY),\r
+ ParameterLength: sizeof(BT_HCICommand_LinkKeyNAKResp_t),\r
+ };\r
\r
- Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;\r
+ /* Copy over the temporary BT device address saved from the Link Key Request event */\r
+ BT_HCICommand_LinkKeyNAKResp_t LinkKeyNAKParams;\r
+ memcpy(LinkKeyNAKParams.RemoteAddress, Bluetooth_TempDeviceAddress, sizeof(LinkKeyNAKParams.RemoteAddress));\r
+\r
+ /* Send the command to transmit the link key NAK to the receiver */\r
+ Bluetooth_SendHCICommand(&HCICommandHeader, &LinkKeyNAKParams, sizeof(BT_HCICommand_LinkKeyNAKResp_t));\r
+\r
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;\r
break;\r
}\r
}\r
+\r
+/** Sends a Bluetooth HCI control command to the attached Bluetooth device.\r
+ *\r
+ * \param[in] HCICommandHeader HCI command header to send to the attached device\r
+ * \param[in] Parameters Pointer to the source of the control parameters (if any)\r
+ * \param[in] ParameterLength Length of the parameters to send in bytes\r
+ *\r
+ * \return A value from the USB_Host_SendControlErrorCodes_t enum.\r
+ */\r
+static uint8_t Bluetooth_SendHCICommand(const BT_HCICommand_Header_t* const HCICommandHeader, const void* Parameters, const uint16_t ParameterLength)\r
+{\r
+ /* Need to reserve the amount of bytes given in the header for the complete payload */\r
+ uint8_t CommandBuffer[sizeof(BT_HCICommand_Header_t) + HCICommandHeader->ParameterLength];\r
+\r
+ USB_ControlRequest = (USB_Request_Header_t)\r
+ {\r
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_DEVICE),\r
+ .bRequest = 0,\r
+ .wValue = 0,\r
+ .wIndex = 0,\r
+ .wLength = sizeof(CommandBuffer)\r
+ };\r
+\r
+ /* Copy over the HCI command header to the allocated buffer */\r
+ memcpy(CommandBuffer, HCICommandHeader, sizeof(BT_HCICommand_Header_t));\r
+ \r
+ /* Zero out the parameter section of the response so that all padding bytes are known to be zero */\r
+ memset(&CommandBuffer[sizeof(BT_HCICommand_Header_t)], 0x00, HCICommandHeader->ParameterLength);\r
+\r
+ /* Copy over the command parameters (if any) to the command buffer - note, the number of actual source parameter bytes\r
+ may differ to those in the header; any difference in length is filled with 0x00 padding bytes */\r
+ memcpy(&CommandBuffer[sizeof(BT_HCICommand_Header_t)], Parameters, ParameterLength);\r
+ \r
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+ return USB_Host_SendControlRequest(CommandBuffer);\r
+}\r
projects / pub / USBasp.git / blobdiff