/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2011.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
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 detination address */
+/** 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
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));
-
+ 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);
+ 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)
{
sizeof(Bluetooth_State.LocalBDADDR));
break;
}
-
+
Bluetooth_State.CurrentHCIState = Bluetooth_State.NextHCIState;
break;
case EVENT_COMMAND_STATUS:
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
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));
-
+ sizeof(Bluetooth_TempDeviceAddress));
+
Bluetooth_State.CurrentHCIState = Bluetooth_Conn_SendLinkKeyNAK;
break;
case EVENT_CONNECTION_COMPLETE:
/* 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();
+
+ 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();
-
- Bluetooth_State.CurrentHCIState = Bluetooth_Init;
break;
}
}
-
+
Pipe_Freeze();
-
+
break;
case Bluetooth_Init:
BT_HCI_DEBUG(1, "# Init");
/* Reset the connection information structure to destroy any previous connection state */
memset(&Bluetooth_Connection, 0x00, sizeof(Bluetooth_Connection));
- Bluetooth_State.CurrentHCIState = Bluetooth_Init_Reset;
+ Bluetooth_State.CurrentHCIState = Bluetooth_Init_Reset;
break;
case Bluetooth_Init_Reset:
BT_HCI_DEBUG(1, "# Reset");
ParameterLength: 0,
};
- /* Send the command to reset the bluetooth dongle controller */
+ /* 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) */
+ /* 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;
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 */
+ /* Send the command to retrieve the BDADDR of the inserted Bluetooth dongle */
Bluetooth_SendHCICommand(&HCICommandHeader, NULL, 0);
Bluetooth_State.NextHCIState = Bluetooth_Init_SetLocalName;
ParameterLength: 248,
};
- /* Send the command to set the bluetooth dongle's name for other devices to see */
+ /* 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;
};
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;
/* 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:
/* 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:
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));
*
* \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)
+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];
/* 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