You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
175 lines
8.5 KiB
175 lines
8.5 KiB
/*
|
|
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
|
|
*
|
|
* Header file for BluetoothStack.c.
|
|
*/
|
|
|
|
#ifndef _BLUETOOTH_STACK_
|
|
#define _BLUETOOTH_STACK_
|
|
|
|
/* Includes: */
|
|
#include <LUFA/Drivers/USB/USB.h>
|
|
|
|
#include "../ConfigDescriptor.h"
|
|
|
|
/* Macros: */
|
|
#define BLUETOOTH_MAX_OPEN_CHANNELS 6
|
|
|
|
#define CHANNEL_PSM_SDP 0x0001
|
|
#define CHANNEL_PSM_UDP 0x0002
|
|
#define CHANNEL_PSM_RFCOMM 0x0003
|
|
#define CHANNEL_PSM_TCP 0x0004
|
|
#define CHANNEL_PSM_IP 0x0009
|
|
#define CHANNEL_PSM_FTP 0x000A
|
|
#define CHANNEL_PSM_HTTP 0x000C
|
|
#define CHANNEL_PSM_UPNP 0x0010
|
|
#define CHANNEL_PSM_HIDP 0x0011
|
|
|
|
#define CHANNEL_SEARCH_LOCALNUMBER 0
|
|
#define CHANNEL_SEARCH_REMOTENUMBER 1
|
|
#define CHANNEL_SEARCH_PSM 2
|
|
|
|
#define MAXIMUM_CHANNEL_MTU 255
|
|
|
|
/* Enums: */
|
|
/** Enum for the possible states for a Bluetooth ACL channel. */
|
|
enum BT_ChannelStates_t
|
|
{
|
|
BT_Channel_Closed = 0, /**< Channel is closed and inactive. No data may be sent or received. */
|
|
BT_Channel_WaitConnect = 1, /**< A connection request has been received, but a response has not been sent. */
|
|
BT_Channel_WaitConnectRsp = 2, /**< A connection request has been sent, but a response has not been received. */
|
|
BT_Channel_Config_WaitConfig = 3, /**< Channel has been connected, but not yet configured on either end. */
|
|
BT_Channel_Config_WaitSendConfig = 4, /**< Channel configuration has been received and accepted, but not yet sent. */
|
|
BT_Channel_Config_WaitReqResp = 5, /**< Channel configuration has been sent but not responded to, and a configuration
|
|
* request from the remote end has not yet been received.
|
|
*/
|
|
BT_Channel_Config_WaitResp = 6, /**< Channel configuration has been sent but not accepted, but a configuration request
|
|
* from the remote end has been accepted.
|
|
*/
|
|
BT_Channel_Config_WaitReq = 7, /**< Channel configuration has been sent and accepted, but a configuration request
|
|
* from the remote end has not yet been accepted.
|
|
*/
|
|
BT_Channel_Open = 8, /**< Channel is open and ready to send or receive data */
|
|
BT_Channel_WaitDisconnect = 9, /**< A disconnection request has been sent, but not yet acknowledged. */
|
|
};
|
|
|
|
/** Enum for the possible error codes returned by the \ref Bluetooth_SendPacket() function. */
|
|
enum BT_SendPacket_ErrorCodes_t
|
|
{
|
|
BT_SENDPACKET_NoError = 0, /**< The packet was sent successfully. */
|
|
BT_SENDPACKET_NotConnected = 1, /**< The Bluetooth stack is not currently connected to a remote device. */
|
|
BT_SENDPACKET_ChannelNotOpen = 2, /**< The given channel is not currently in the Open state. */
|
|
};
|
|
|
|
/* Type Defines: */
|
|
/** Type define for a Bluetooth ACL channel information structure. This structure contains all the relevant
|
|
* information on an ACL channel for data transmission and reception by the stack.
|
|
*/
|
|
typedef struct
|
|
{
|
|
uint8_t State; /**< Current channel state, a value from the \ref BT_ChannelStates_t enum. */
|
|
uint16_t LocalNumber; /**< Local channel number on the device. */
|
|
uint16_t RemoteNumber; /**< Remote channel number on the connected device. */
|
|
uint16_t PSM; /**< Protocol used on the channel. */
|
|
uint16_t LocalMTU; /**< MTU of data sent from the connected device to the local device. */
|
|
uint16_t RemoteMTU; /**< MTU of data sent from the local device to the connected device. */
|
|
} Bluetooth_Channel_t;
|
|
|
|
/** Type define for a Bluetooth device connection information structure. This structure contains all the
|
|
* information needed to maintain a connection to a remote Bluetooth device via the Bluetooth stack.
|
|
*/
|
|
typedef struct
|
|
{
|
|
bool IsConnected; /**< Indicates if the stack is currently connected to a remote device - if this value is
|
|
* false, the remaining elements are invalid.
|
|
*/
|
|
uint16_t ConnectionHandle; /**< Connection handle to the remote device, used internally in the stack. */
|
|
uint8_t RemoteAddress[6]; /**< Bluetooth device address of the attached remote device. */
|
|
Bluetooth_Channel_t Channels[BLUETOOTH_MAX_OPEN_CHANNELS]; /**< Channel information structures for the connection. */
|
|
uint8_t SignalingIdentifier; /**< Next Signaling Channel unique command sequence identifier. */
|
|
} Bluetooth_Connection_t;
|
|
|
|
/** Local Bluetooth device information structure, for the defining of local device characteristics for the Bluetooth stack. */
|
|
typedef struct
|
|
{
|
|
uint32_t Class; /**< Class of the local device, a mask of DEVICE_CLASS_* masks. */
|
|
char PINCode[16]; /**< Pin code required to send or receive in order to authenticate with a remote device. */
|
|
char Name[]; /**< Name of the local Bluetooth device, up to 248 characters. */
|
|
} Bluetooth_Device_t;
|
|
|
|
/** Bluetooth stack state information structure, for the containment of the Bluetooth stack state. The values in
|
|
* this structure are set by the Bluetooth stack internally, and should all be treated as read only by the user
|
|
* application.
|
|
*/
|
|
typedef struct
|
|
{
|
|
uint8_t CurrentHCIState; /**< Current HCI state machine state. */
|
|
uint8_t NextHCIState; /**< Next HCI state machine state to progress to once the currently issued command completes. */
|
|
bool IsInitialized; /**< Indicates if the Bluetooth stack is currently initialized and ready for connections
|
|
* to or from a remote Bluetooth device.
|
|
*/
|
|
uint8_t LocalBDADDR[6]; /**< Local Bluetooth adapter's BDADDR, valid when the stack is fully initialized. */
|
|
} Bluetooth_Stack_State_t;
|
|
|
|
/* Includes: */
|
|
#include "BluetoothHCICommands.h"
|
|
#include "BluetoothACLPackets.h"
|
|
|
|
/* Function Prototypes: */
|
|
void Bluetooth_Stack_Init(void);
|
|
void Bluetooth_Stack_USBTask(void);
|
|
|
|
void Bluetooth_StackInitialized(void);
|
|
bool Bluetooth_ConnectionRequest(const uint8_t* RemoteAddress);
|
|
void Bluetooth_ConnectionComplete(void);
|
|
void Bluetooth_DisconnectionComplete(void);
|
|
bool Bluetooth_ChannelConnectionRequest(const uint16_t PSM);
|
|
void Bluetooth_PacketReceived(void* Data, uint16_t DataLen,
|
|
Bluetooth_Channel_t* const ACLChannel);
|
|
void Bluetooth_ChannelOpened(Bluetooth_Channel_t* const ACLChannel);
|
|
|
|
Bluetooth_Channel_t* Bluetooth_GetChannelData(const uint16_t SearchValue,
|
|
const uint8_t SearchKey);
|
|
Bluetooth_Channel_t* Bluetooth_OpenChannel(const uint16_t PSM);
|
|
void Bluetooth_CloseChannel(Bluetooth_Channel_t* const ACLChannel);
|
|
uint8_t Bluetooth_SendPacket(void* Data,
|
|
uint16_t DataLen,
|
|
Bluetooth_Channel_t* const ACLChannel);
|
|
|
|
/* External Variables: */
|
|
extern Bluetooth_Device_t Bluetooth_DeviceConfiguration;
|
|
extern Bluetooth_Connection_t Bluetooth_Connection;
|
|
extern Bluetooth_Stack_State_t Bluetooth_State;
|
|
|
|
#endif
|
|
|