-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\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
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-#include "BluetoothHCICommands.h"\r
-\r
-static Bluetooth_HCICommand_Header_t HCICommandHeader;\r
-static Bluetooth_HCIEvent_Header_t HCIEventHeader;\r
-\r
- uint8_t Bluetooth_HCIProcessingState;\r
-static uint8_t Bluetooth_TempDeviceAddress[6];\r
-\r
-static uint8_t Bluetooth_SendHCICommand(void* Parameters, uint8_t ParamLength)\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
-\r
-static bool Bluetooth_GetNextHCIEventHeader(void)\r
-{\r
- Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);\r
- Pipe_Unfreeze();\r
- \r
- if (!(Pipe_IsReadWriteAllowed()))\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
-\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
-\r
-void Bluetooth_ProcessHCICommands(void)\r
-{\r
- uint8_t ErrorCode;\r
-\r
- switch (Bluetooth_HCIProcessingState)\r
- {\r
- case Bluetooth_Init:\r
- Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);\r
- \r
- memset(&Bluetooth_Connection, 0x00, sizeof(Bluetooth_Connection));\r
- \r
- Bluetooth_HCIProcessingState = Bluetooth_Init_Reset; \r
- break;\r
- case Bluetooth_Init_Reset:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
- {\r
- OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: 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
- {\r
- if (USB_HostState == HOST_STATE_Unattached)\r
- return;\r
- }\r
- \r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
-\r
- Bluetooth_HCIProcessingState = Bluetooth_Init_ReadBufferSize;\r
- break;\r
- case Bluetooth_Init_ReadBufferSize:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
- {\r
- OpCode: {OGF: OGF_CTRLR_INFORMATIONAL, OCF: OGF_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
- {\r
- if (USB_HostState == HOST_STATE_Unattached)\r
- return;\r
- }\r
-\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
-\r
- Bluetooth_HCIProcessingState = Bluetooth_Init_SetEventMask; \r
- break;\r
- case Bluetooth_Init_SetEventMask:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
- {\r
- OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_SET_EVENT_MASK},\r
- ParameterLength: 8,\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
- {\r
- if (USB_HostState == HOST_STATE_Unattached)\r
- return;\r
- }\r
-\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
- \r
-\r
- Bluetooth_HCIProcessingState = Bluetooth_Init_SetLocalName; \r
- break;\r
- case Bluetooth_Init_SetLocalName:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
- {\r
- OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: 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
-\r
- ErrorCode = Bluetooth_SendHCICommand(Bluetooth_DeviceConfiguration.Name, strlen(Bluetooth_DeviceConfiguration.Name));\r
- \r
- do\r
- {\r
- while (!(Bluetooth_GetNextHCIEventHeader()))\r
- {\r
- if (USB_HostState == HOST_STATE_Unattached)\r
- return;\r
- }\r
-\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
- \r
- Bluetooth_HCIProcessingState = Bluetooth_Init_SetDeviceClass;\r
- break;\r
- case Bluetooth_Init_SetDeviceClass:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
- {\r
- OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: 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
-\r
- do\r
- {\r
- while (!(Bluetooth_GetNextHCIEventHeader()))\r
- {\r
- if (USB_HostState == HOST_STATE_Unattached)\r
- return;\r
- }\r
-\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
-\r
- Bluetooth_HCIProcessingState = Bluetooth_Init_WriteScanEnable; \r
- break;\r
- case Bluetooth_Init_WriteScanEnable:\r
- HCICommandHeader = (Bluetooth_HCICommand_Header_t)\r
- {\r
- OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: 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
- {\r
- if (USB_HostState == HOST_STATE_Unattached)\r
- return;\r
- }\r
-\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
- \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
-\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- }\r
-\r
- break;\r
- case Bluetooth_Conn_AcceptConnection:\r
- HCICommandHeader = (Bluetooth_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
- };\r
- \r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_AcceptConnection", NULL);\r
-\r
- Bluetooth_HCICommand_AcceptConnectionRequest_Params_t AcceptConnectionParams;\r
- \r
- memcpy(AcceptConnectionParams.RemoteAddress, Bluetooth_TempDeviceAddress,\r
- sizeof(Bluetooth_TempDeviceAddress));\r
- AcceptConnectionParams.SlaveRole = true;\r
-\r
- Bluetooth_SendHCICommand(&AcceptConnectionParams, sizeof(AcceptConnectionParams));\r
- \r
- Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;\r
- break;\r
- case Bluetooth_Conn_RejectConnection:\r
- HCICommandHeader = (Bluetooth_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
- };\r
- \r
- BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_RejectConnection", NULL);\r
-\r
- Bluetooth_HCICommand_RejectConnectionRequest_Params_t RejectConnectionParams;\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
- \r
- Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;\r
- break;\r
- case Bluetooth_Conn_SendPINCode:\r
- HCICommandHeader = (Bluetooth_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
- };\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
- PINCodeRequestParams.PINCodeLength = strlen(Bluetooth_DeviceConfiguration.PINCode);\r
- memcpy(PINCodeRequestParams.PINCode, Bluetooth_DeviceConfiguration.PINCode,\r
- sizeof(Bluetooth_DeviceConfiguration.PINCode));\r
- \r
- Bluetooth_SendHCICommand(&PINCodeRequestParams, sizeof(PINCodeRequestParams));\r
- \r
- do\r
- {\r
- while (!(Bluetooth_GetNextHCIEventHeader()))\r
- { \r
- if (USB_HostState == HOST_STATE_Unattached)\r
- return;\r
- }\r
-\r
- Bluetooth_DiscardRemainingHCIEventParameters();\r
- } while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);\r
-\r
- Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;\r
- break;\r
- }\r
-}\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Bluetooth HCI layer management code. This module manages the overall
+ * Bluetooth stack connection state to and from other devices, processes
+ * received events from the Bluetooth controller, and issues commands to
+ * modify the controller's configuration, such as the broadcast name of the
+ * device.
+ */
+
+/*
+ TODO: Add local to remote device connections
+ */
+
+#define INCLUDE_FROM_BLUETOOTHHCICOMMANDS_C
+#include "BluetoothHCICommands.h"
+
+/** Temporary Bluetooth Device Address, for HCI responses which much include the destination address */
+static uint8_t Bluetooth_TempDeviceAddress[6];
+
+/** Bluetooth HCI processing task. This task should be called repeatedly the main Bluetooth
+ * stack task to manage the HCI processing state.
+ */
+void Bluetooth_HCITask(void)
+{
+ BT_HCICommand_Header_t HCICommandHeader;
+
+ switch (Bluetooth_State.CurrentHCIState)
+ {
+ case Bluetooth_ProcessEvents:
+ Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);
+ Pipe_Unfreeze();
+
+ if (Pipe_IsReadWriteAllowed())
+ {
+ BT_HCIEvent_Header_t HCIEventHeader;
+
+ /* Read in the event header to fetch the event code and payload length */
+ Pipe_Read_Stream_LE(&HCIEventHeader, sizeof(HCIEventHeader), NULL);
+
+ /* Create a temporary buffer for the event parameters */
+ uint8_t EventParams[HCIEventHeader.ParameterLength];
+
+ /* Read in the event parameters into the temporary buffer */
+ Pipe_Read_Stream_LE(&EventParams, HCIEventHeader.ParameterLength, NULL);
+ Pipe_ClearIN();
+
+ BT_HCI_DEBUG(1, "Event Received (0x%02X)", HCIEventHeader.EventCode);
+
+ switch (HCIEventHeader.EventCode)
+ {
+ case EVENT_COMMAND_COMPLETE:
+ BT_HCI_DEBUG(1, "<< Command Complete");
+
+ /* Check which operation was completed in case we need to process the even parameters */
+ switch (((BT_HCIEvent_CommandComplete_t*)&EventParams)->Opcode)
+ {
+ case (OGF_CTRLR_INFORMATIONAL | OCF_CTRLR_INFORMATIONAL_READBDADDR):
+ /* A READ BDADDR command completed, copy over the local device's BDADDR from the response */
+ memcpy(Bluetooth_State.LocalBDADDR,
+ &((BT_HCIEvent_CommandComplete_t*)&EventParams)->ReturnParams[1],
+ sizeof(Bluetooth_State.LocalBDADDR));
+ break;
+ }
+
+ Bluetooth_State.CurrentHCIState = Bluetooth_State.NextHCIState;
+ break;
+ case EVENT_COMMAND_STATUS:
+ BT_HCI_DEBUG(1, "<< Command Status");
+ BT_HCI_DEBUG(2, "-- Status Code: 0x%02X", (((BT_HCIEvent_CommandStatus_t*)&EventParams)->Status));
+
+ /* If the execution of a command failed, reset the stack */
+ if (((BT_HCIEvent_CommandStatus_t*)&EventParams)->Status)
+ Bluetooth_State.CurrentHCIState = Bluetooth_Init;
+ break;
+ case EVENT_CONNECTION_REQUEST:
+ BT_HCI_DEBUG(1, "<< Connection Request");
+ BT_HCI_DEBUG(2, "-- Link Type: 0x%02X", (((BT_HCIEvent_ConnectionRequest_t*)&EventParams)->LinkType));
+
+ /* Need to store the remote device's BT address in a temporary buffer for later use */
+ memcpy(Bluetooth_TempDeviceAddress,
+ &((BT_HCIEvent_ConnectionRequest_t*)&EventParams)->RemoteAddress,
+ sizeof(Bluetooth_TempDeviceAddress));
+
+ bool IsACLConnection = (((BT_HCIEvent_ConnectionRequest_t*)&EventParams)->LinkType == 0x01);
+
+ /* Only accept the connection if it is a ACL (data) connection, a device is not already connected
+ and the user application has indicated that the connection should be allowed */
+ Bluetooth_State.CurrentHCIState = (Bluetooth_Connection.IsConnected || !(IsACLConnection) ||
+ !(Bluetooth_ConnectionRequest(Bluetooth_TempDeviceAddress))) ?
+ Bluetooth_Conn_RejectConnection : Bluetooth_Conn_AcceptConnection;
+
+ BT_HCI_DEBUG(2, "-- Connection %S", (Bluetooth_State.CurrentHCIState == Bluetooth_Conn_RejectConnection) ?
+ PSTR("REJECTED") : PSTR("ACCEPTED"));
+
+ break;
+ case EVENT_PIN_CODE_REQUEST:
+ BT_HCI_DEBUG(1, "<< Pin Code Request");
+
+ /* Need to store the remote device's BT address in a temporary buffer for later use */
+ memcpy(Bluetooth_TempDeviceAddress,
+ &((BT_HCIEvent_PinCodeReq_t*)&EventParams)->RemoteAddress,
+ sizeof(Bluetooth_TempDeviceAddress));
+
+ Bluetooth_State.CurrentHCIState = Bluetooth_Conn_SendPINCode;
+ break;
+ case EVENT_LINK_KEY_REQUEST:
+ BT_HCI_DEBUG(1, "<< Link Key Request");
+
+ /* Need to store the remote device's BT address in a temporary buffer for later use */
+ memcpy(Bluetooth_TempDeviceAddress,
+ &((BT_HCIEvent_LinkKeyReq_t*)&EventParams)->RemoteAddress,
+ sizeof(Bluetooth_TempDeviceAddress));
+
+ Bluetooth_State.CurrentHCIState = Bluetooth_Conn_SendLinkKeyNAK;
+ break;
+ case EVENT_CONNECTION_COMPLETE:
+ BT_HCI_DEBUG(1, "<< Connection Complete");
+ BT_HCI_DEBUG(2, "-- Handle: 0x%04X", ((BT_HCIEvent_ConnectionComplete_t*)&EventParams)->ConnectionHandle);
+
+ /* Need to store the remote device's BT address in a temporary buffer for later use */
+ memcpy(Bluetooth_Connection.RemoteAddress,
+ &((BT_HCIEvent_ConnectionComplete_t*)&EventParams)->RemoteAddress,
+ sizeof(Bluetooth_TempDeviceAddress));
+
+ /* Store the created connection handle and indicate that the connection has been established */
+ Bluetooth_Connection.ConnectionHandle = ((BT_HCIEvent_ConnectionComplete_t*)&EventParams)->ConnectionHandle;
+ Bluetooth_Connection.IsConnected = true;
+
+ Bluetooth_ConnectionComplete();
+ break;
+ case EVENT_DISCONNECTION_COMPLETE:
+ BT_HCI_DEBUG(1, "<< Disconnection Complete");
+
+ /* Device disconnected, indicate connection information no longer valid */
+ Bluetooth_Connection.IsConnected = false;
+
+ Bluetooth_DisconnectionComplete();
+ break;
+ }
+ }
+
+ Pipe_Freeze();
+
+ break;
+ case Bluetooth_Init:
+ BT_HCI_DEBUG(1, "# Init");
+
+ Bluetooth_State.IsInitialized = false;
+
+ /* Reset the connection information structure to destroy any previous connection state */
+ memset(&Bluetooth_Connection, 0x00, sizeof(Bluetooth_Connection));
+
+ Bluetooth_State.CurrentHCIState = Bluetooth_Init_Reset;
+ break;
+ case Bluetooth_Init_Reset:
+ BT_HCI_DEBUG(1, "# Reset");
+
+ HCICommandHeader = (BT_HCICommand_Header_t)
+ {
+ OpCode: (OGF_CTRLR_BASEBAND | OCF_CTRLR_BASEBAND_RESET),
+ ParameterLength: 0,
+ };
+
+ /* Send the command to reset the Bluetooth dongle controller */
+ Bluetooth_SendHCICommand(&HCICommandHeader, NULL, 0);
+
+ Bluetooth_State.NextHCIState = Bluetooth_Init_ReadBufferSize;
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ case Bluetooth_Init_ReadBufferSize:
+ BT_HCI_DEBUG(1, "# Read Buffer Size");
+
+ HCICommandHeader = (BT_HCICommand_Header_t)
+ {
+ OpCode: (OGF_CTRLR_INFORMATIONAL | OCF_CTRLR_INFORMATIONAL_READBUFFERSIZE),
+ ParameterLength: 0,
+ };
+
+ /* Send the command to read the Bluetooth buffer size (mandatory before device sends any data) */
+ Bluetooth_SendHCICommand(&HCICommandHeader, NULL, 0);
+
+ Bluetooth_State.NextHCIState = Bluetooth_Init_GetBDADDR;
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ case Bluetooth_Init_GetBDADDR:
+ BT_HCI_DEBUG(1, "# Get BDADDR");
+
+ HCICommandHeader = (BT_HCICommand_Header_t)
+ {
+ OpCode: (OGF_CTRLR_INFORMATIONAL | OCF_CTRLR_INFORMATIONAL_READBDADDR),
+ ParameterLength: 0,
+ };
+
+ /* Send the command to retrieve the BDADDR of the inserted Bluetooth dongle */
+ Bluetooth_SendHCICommand(&HCICommandHeader, NULL, 0);
+
+ Bluetooth_State.NextHCIState = Bluetooth_Init_SetLocalName;
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ case Bluetooth_Init_SetLocalName:
+ BT_HCI_DEBUG(1, "# Set Local Name");
+
+ HCICommandHeader = (BT_HCICommand_Header_t)
+ {
+ OpCode: (OGF_CTRLR_BASEBAND | OCF_CTRLR_BASEBAND_WRITE_LOCAL_NAME),
+ ParameterLength: 248,
+ };
+
+ /* Send the command to set the Bluetooth dongle's name for other devices to see */
+ Bluetooth_SendHCICommand(&HCICommandHeader, Bluetooth_DeviceConfiguration.Name, strlen(Bluetooth_DeviceConfiguration.Name));
+
+ Bluetooth_State.NextHCIState = Bluetooth_Init_SetDeviceClass;
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ case Bluetooth_Init_SetDeviceClass:
+ BT_HCI_DEBUG(1, "# Set Device Class");
+
+ HCICommandHeader = (BT_HCICommand_Header_t)
+ {
+ OpCode: (OGF_CTRLR_BASEBAND | OCF_CTRLR_BASEBAND_WRITE_CLASS_OF_DEVICE),
+ ParameterLength: 3,
+ };
+
+ /* Send the command to set the class of the device for other devices to see */
+ Bluetooth_SendHCICommand(&HCICommandHeader, &Bluetooth_DeviceConfiguration.Class, 3);
+
+ Bluetooth_State.NextHCIState = Bluetooth_Init_WriteScanEnable;
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ case Bluetooth_Init_WriteScanEnable:
+ BT_HCI_DEBUG(1, "# Write Scan Enable");
+
+ HCICommandHeader = (BT_HCICommand_Header_t)
+ {
+ OpCode: (OGF_CTRLR_BASEBAND | OCF_CTRLR_BASEBAND_WRITE_SCAN_ENABLE),
+ ParameterLength: 1,
+ };
+
+ uint8_t Interval = BT_SCANMODE_InquiryAndPageScans;
+
+ /* Send the command to set the remote device scanning mode */
+ Bluetooth_SendHCICommand(&HCICommandHeader, &Interval, 1);
+
+ Bluetooth_State.NextHCIState = Bluetooth_Init_FinalizeInit;
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ case Bluetooth_Init_FinalizeInit:
+ Bluetooth_State.IsInitialized = true;
+
+ /* Fire the user application callback to indicate that the stack is now fully initialized */
+ Bluetooth_StackInitialized();
+
+ Bluetooth_State.NextHCIState = Bluetooth_ProcessEvents;
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ case Bluetooth_Conn_AcceptConnection:
+ BT_HCI_DEBUG(1, "# Accept Connection");
+
+ HCICommandHeader = (BT_HCICommand_Header_t)
+ {
+ OpCode: (OGF_LINK_CONTROL | OCF_LINK_CONTROL_ACCEPT_CONNECTION_REQUEST),
+ ParameterLength: sizeof(BT_HCICommand_AcceptConnectionReq_t),
+ };
+
+ /* Copy over the temporary BT device address saved from the Connection Request event, indicate slave
+ connection role */
+ BT_HCICommand_AcceptConnectionReq_t AcceptConnectionParams;
+ memcpy(AcceptConnectionParams.RemoteAddress, Bluetooth_TempDeviceAddress,
+ sizeof(AcceptConnectionParams.RemoteAddress));
+ AcceptConnectionParams.SlaveRole = true;
+
+ /* Send the command to accept the remote connection request */
+ Bluetooth_SendHCICommand(&HCICommandHeader, &AcceptConnectionParams, sizeof(BT_HCICommand_AcceptConnectionReq_t));
+
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ case Bluetooth_Conn_RejectConnection:
+ BT_HCI_DEBUG(1, "# Reject Connection");
+
+ HCICommandHeader = (BT_HCICommand_Header_t)
+ {
+ OpCode: (OGF_LINK_CONTROL | OCF_LINK_CONTROL_REJECT_CONNECTION_REQUEST),
+ ParameterLength: sizeof(BT_HCICommand_RejectConnectionReq_t),
+ };
+
+ /* Copy over the temporary BT device address saved from the Connection Request event, indicate failure
+ to accept the connection due to limited device resources or incorrect device address */
+ BT_HCICommand_RejectConnectionReq_t RejectConnectionParams;
+ memcpy(RejectConnectionParams.RemoteAddress, Bluetooth_TempDeviceAddress, sizeof(RejectConnectionParams.RemoteAddress));
+ RejectConnectionParams.Reason = Bluetooth_Connection.IsConnected ? ERROR_LIMITED_RESOURCES : ERROR_UNACCEPTABLE_BDADDR;
+
+ /* Send the command to reject the remote connection request */
+ Bluetooth_SendHCICommand(&HCICommandHeader, &RejectConnectionParams, sizeof(BT_HCICommand_RejectConnectionReq_t));
+
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ case Bluetooth_Conn_SendPINCode:
+ BT_HCI_DEBUG(1, "# Send Pin Code");
+
+ HCICommandHeader = (BT_HCICommand_Header_t)
+ {
+ OpCode: (OGF_LINK_CONTROL | OCF_LINK_CONTROL_PIN_CODE_REQUEST_REPLY),
+ ParameterLength: sizeof(BT_HCICommand_PinCodeResp_t),
+ };
+
+ /* Copy over the temporary BT device address saved from the PIN Code Request event, copy over the
+ local PIN authentication code to the response */
+ BT_HCICommand_PinCodeResp_t PINCodeRequestParams;
+ memcpy(PINCodeRequestParams.RemoteAddress, Bluetooth_TempDeviceAddress, sizeof(PINCodeRequestParams.RemoteAddress));
+ PINCodeRequestParams.PINCodeLength = strlen(Bluetooth_DeviceConfiguration.PINCode);
+ memcpy(PINCodeRequestParams.PINCode, Bluetooth_DeviceConfiguration.PINCode, sizeof(PINCodeRequestParams.PINCode));
+
+ /* Send the command to transmit the device's local PIN number for authentication */
+ Bluetooth_SendHCICommand(&HCICommandHeader, &PINCodeRequestParams, sizeof(BT_HCICommand_PinCodeResp_t));
+
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ case Bluetooth_Conn_SendLinkKeyNAK:
+ BT_HCI_DEBUG(1, "# Send Link Key NAK");
+
+ HCICommandHeader = (BT_HCICommand_Header_t)
+ {
+ OpCode: (OGF_LINK_CONTROL | OCF_LINK_CONTROL_LINK_KEY_REQUEST_NEG_REPLY),
+ ParameterLength: sizeof(BT_HCICommand_LinkKeyNAKResp_t),
+ };
+
+ /* Copy over the temporary BT device address saved from the Link Key Request event */
+ BT_HCICommand_LinkKeyNAKResp_t LinkKeyNAKParams;
+ memcpy(LinkKeyNAKParams.RemoteAddress, Bluetooth_TempDeviceAddress, sizeof(LinkKeyNAKParams.RemoteAddress));
+
+ /* Send the command to transmit the link key NAK to the receiver */
+ Bluetooth_SendHCICommand(&HCICommandHeader, &LinkKeyNAKParams, sizeof(BT_HCICommand_LinkKeyNAKResp_t));
+
+ Bluetooth_State.CurrentHCIState = Bluetooth_ProcessEvents;
+ break;
+ }
+}
+
+/** Sends a Bluetooth HCI control command to the attached Bluetooth device.
+ *
+ * \param[in] HCICommandHeader HCI command header to send to the attached device
+ * \param[in] Parameters Pointer to the source of the control parameters (if any)
+ * \param[in] ParameterLength Length of the parameters to send in bytes
+ *
+ * \return A value from the USB_Host_SendControlErrorCodes_t enum.
+ */
+static uint8_t Bluetooth_SendHCICommand(const BT_HCICommand_Header_t* const HCICommandHeader,
+ const void* Parameters,
+ const uint16_t ParameterLength)
+{
+ /* Need to reserve the amount of bytes given in the header for the complete payload */
+ uint8_t CommandBuffer[sizeof(BT_HCICommand_Header_t) + HCICommandHeader->ParameterLength];
+
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_DEVICE),
+ .bRequest = 0,
+ .wValue = 0,
+ .wIndex = 0,
+ .wLength = sizeof(CommandBuffer)
+ };
+
+ /* Copy over the HCI command header to the allocated buffer */
+ memcpy(CommandBuffer, HCICommandHeader, sizeof(BT_HCICommand_Header_t));
+
+ /* Zero out the parameter section of the response so that all padding bytes are known to be zero */
+ memset(&CommandBuffer[sizeof(BT_HCICommand_Header_t)], 0x00, HCICommandHeader->ParameterLength);
+
+ /* Copy over the command parameters (if any) to the command buffer - note, the number of actual source parameter bytes
+ may differ to those in the header; any difference in length is filled with 0x00 padding bytes */
+ memcpy(&CommandBuffer[sizeof(BT_HCICommand_Header_t)], Parameters, ParameterLength);
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+ return USB_Host_SendControlRequest(CommandBuffer);
+}
+
projects / pub / USBasp.git / blobdiff