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.
195 lines
8.3 KiB
195 lines
8.3 KiB
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2012.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2012 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 stack event callback handlers. This module handles the callback events that are
|
|
* thrown from the Bluetooth stack in response to changes in the connection and channel
|
|
* states.
|
|
*/
|
|
|
|
#include "BluetoothEvents.h"
|
|
|
|
/** Pointer to the opened Bluetooth ACL channel structure for RFCOMM, used to send and receive data between the
|
|
* local and remote device once a RFCOMM channel has been opened.
|
|
*/
|
|
Bluetooth_Channel_t* SerialChannel_ACL = NULL;
|
|
|
|
/** Pointer to the opened RFCOMM logical channel between local and remote device, once a RFCOMM ACL channel has been
|
|
* negotiated and a logical RFCOMM channel requested.
|
|
*/
|
|
RFCOMM_Channel_t* SerialChannel_RFCOMM = NULL;
|
|
|
|
/** Bluetooth stack callback event for when the Bluetooth stack has fully initialized using the attached
|
|
* Bluetooth dongle.
|
|
*/
|
|
void Bluetooth_StackInitialized(void)
|
|
{
|
|
printf_P(PSTR("Stack initialized with local address %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
|
|
Bluetooth_State.LocalBDADDR[5], Bluetooth_State.LocalBDADDR[4], Bluetooth_State.LocalBDADDR[3],
|
|
Bluetooth_State.LocalBDADDR[2], Bluetooth_State.LocalBDADDR[1], Bluetooth_State.LocalBDADDR[0]);
|
|
|
|
/* Reinitialize the services placed on top of the Bluetooth stack ready for new connections */
|
|
RFCOMM_Initialize();
|
|
}
|
|
|
|
/** Bluetooth stack callback event for a Bluetooth connection request. When this callback fires, the
|
|
* user application must indicate if the connection is to be allowed or rejected.
|
|
*
|
|
* \param[in] RemoteAddress Bluetooth address of the remote device attempting the connection
|
|
*
|
|
* \return Boolean true to accept the connection, false to reject it
|
|
*/
|
|
bool Bluetooth_ConnectionRequest(const uint8_t* RemoteAddress)
|
|
{
|
|
printf_P(PSTR("Connection Request from Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
|
|
RemoteAddress[5], RemoteAddress[4], RemoteAddress[3], RemoteAddress[2],
|
|
RemoteAddress[1], RemoteAddress[0]);
|
|
|
|
/* Always accept connections from remote devices */
|
|
return true;
|
|
}
|
|
|
|
/** Bluetooth stack callback event for a completed Bluetooth connection. When this callback is made,
|
|
* the connection information can be accessed through the global \ref Bluetooth_Connection structure.
|
|
*/
|
|
void Bluetooth_ConnectionComplete(void)
|
|
{
|
|
printf_P(PSTR("Connection Complete to Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
|
|
Bluetooth_Connection.RemoteAddress[5], Bluetooth_Connection.RemoteAddress[4],
|
|
Bluetooth_Connection.RemoteAddress[3], Bluetooth_Connection.RemoteAddress[2],
|
|
Bluetooth_Connection.RemoteAddress[1], Bluetooth_Connection.RemoteAddress[0]);
|
|
|
|
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
|
|
}
|
|
|
|
/** Bluetooth stack callback event for a completed Bluetooth disconnection. When this callback is made,
|
|
* the connection information in the global \ref Bluetooth_Connection structure is invalidated with the
|
|
* exception of the RemoteAddress element, which can be used to determine the address of the device that
|
|
* was disconnected.
|
|
*/
|
|
void Bluetooth_DisconnectionComplete(void)
|
|
{
|
|
printf_P(PSTR("Disconnection Complete to Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
|
|
Bluetooth_Connection.RemoteAddress[5], Bluetooth_Connection.RemoteAddress[4],
|
|
Bluetooth_Connection.RemoteAddress[3], Bluetooth_Connection.RemoteAddress[2],
|
|
Bluetooth_Connection.RemoteAddress[1], Bluetooth_Connection.RemoteAddress[0]);
|
|
|
|
LEDs_SetAllLEDs(LEDMASK_USB_READY);
|
|
}
|
|
|
|
/** Bluetooth stack callback event for a Bluetooth ACL Channel connection request. When is callback fires,
|
|
* the user application must indicate if the channel connection should be rejected or not, based on the
|
|
* protocol (PSM) value of the requested channel.
|
|
*
|
|
* \param[in] PSM Protocol PSM value for the requested channel
|
|
*
|
|
* \return Boolean true to accept the channel connection request, false to reject it
|
|
*/
|
|
bool Bluetooth_ChannelConnectionRequest(const uint16_t PSM)
|
|
{
|
|
/* Only accept connections for channels that will be used for RFCOMM or SDP data */
|
|
return ((PSM == CHANNEL_PSM_RFCOMM) || (PSM == CHANNEL_PSM_SDP));
|
|
}
|
|
|
|
/** Bluetooth stack callback event for when a Bluetooth ACL channel has been fully created and configured,
|
|
* either at the request of the local device, or the remote device.
|
|
*
|
|
* \param[in] ACLChannel Bluetooth ACL data channel information structure for the channel that can now be used
|
|
*/
|
|
void Bluetooth_ChannelOpened(Bluetooth_Channel_t* const ACLChannel)
|
|
{
|
|
/* Save the RFCOMM channel for later use when we want to send RFCOMM data */
|
|
if (ACLChannel->PSM == CHANNEL_PSM_RFCOMM)
|
|
SerialChannel_ACL = ACLChannel;
|
|
}
|
|
|
|
/** Bluetooth stack callback event for a non-signal ACL packet reception. This callback fires once a connection
|
|
* to a remote Bluetooth device has been made, and the remote device has sent a non-signaling ACL packet.
|
|
*
|
|
* \param[in] Data Pointer to a buffer where the received data is stored
|
|
* \param[in] DataLen Length of the packet data, in bytes
|
|
* \param[in] ACLChannel Bluetooth ACL data channel information structure for the packet's destination channel
|
|
*/
|
|
void Bluetooth_PacketReceived(void* Data, uint16_t DataLen, Bluetooth_Channel_t* const ACLChannel)
|
|
{
|
|
/* Run the correct packet handler based on the received packet's PSM, which indicates the service being carried */
|
|
switch (ACLChannel->PSM)
|
|
{
|
|
case CHANNEL_PSM_SDP:
|
|
/* Service Discovery Protocol packet */
|
|
SDP_ProcessPacket(Data, ACLChannel);
|
|
break;
|
|
case CHANNEL_PSM_RFCOMM:
|
|
/* RFCOMM (Serial Port) Protocol packet */
|
|
RFCOMM_ProcessPacket(Data, ACLChannel);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/** RFCOMM layer callback for event for when a RFCOMM logical channel has been fully opened and configured between
|
|
* the local and remote device. Once open, this RFCOMM channel can be read from and written to freely until is it
|
|
* closed by either end.
|
|
*
|
|
* \param[in] RFCOMMChannel RFCOMM channel that was opened
|
|
*/
|
|
void RFCOMM_ChannelOpened(RFCOMM_Channel_t* const RFCOMMChannel)
|
|
{
|
|
/* Save the serial port RFCOMM logical channel for later use */
|
|
SerialChannel_RFCOMM = RFCOMMChannel;
|
|
}
|
|
|
|
/** RFCOMM layer callback event for when a packet is received on an open RFCOMM channel.
|
|
*
|
|
* \param[in] ACLChannel RFCOMM ACL channel that the data was directed to
|
|
* \param[in] DataLen Length of the received data, in bytes
|
|
* \param[in] Data Pointer to a buffer where the received data is stored
|
|
*/
|
|
void RFCOMM_DataReceived(RFCOMM_Channel_t* const ACLChannel, uint16_t DataLen, const uint8_t* Data)
|
|
{
|
|
/* Write the received bytes to the serial port */
|
|
for (uint8_t i = 0; i < DataLen; i++)
|
|
putchar(Data[i]);
|
|
|
|
/* Echo the data back to the sending device */
|
|
RFCOMM_SendData(DataLen, Data, SerialChannel_RFCOMM, SerialChannel_ACL);
|
|
}
|
|
|
|
/** RFCOMM layer callback event for when the remote device has updated the channel terminal control signals
|
|
* for a particular RFCOMM channel.
|
|
*
|
|
* \param[in] RFCOMMChannel RFCOMM logical channel whose signals were altered
|
|
*/
|
|
void RFCOMM_ChannelSignalsReceived(RFCOMM_Channel_t* const RFCOMMChannel)
|
|
{
|
|
// Currently do nothing in response to the remote device sending new terminal control signals
|
|
}
|
|
|