Demos/Host/Incomplete/BluetoothHost/BluetoothHost.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2010.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, distribute, and sell this
  13   software and its documentation for any purpose is hereby granted
  14   without fee, provided that the above copyright notice appear in
  15   all copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 /** \file
  32  *
  33  *  Main source file for the BluetoothHost demo. This file contains the main tasks of
  34  *  the demo and is responsible for the initial application hardware configuration.
  35  */
  36
  37 #include "BluetoothHost.h"
  38
  39 /** Bluetooth configuration structure. This structure configures the bluetooth stack's user alterable settings. */
  40 Bluetooth_Device_t Bluetooth_DeviceConfiguration =
  41         {
  42                 Class:   (DEVICE_CLASS_SERVICE_CAPTURING | DEVICE_CLASS_MAJOR_COMPUTER | DEVICE_CLASS_MINOR_COMPUTER_PALM),
  43                 PINCode: "0000",
  44                 Name:    "LUFA Bluetooth Demo"
  45         };
  46
  47 /** Main program entry point. This routine configures the hardware required by the application, then
  48  *  enters a loop to run the application tasks in sequence.
  49  */
  50 int main(void)
  51 {
  52         SetupHardware();
  53
  54         puts_P(PSTR(ESC_FG_CYAN "Bluetooth Host Demo running.\r\n" ESC_FG_WHITE));
  55
  56         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  57
  58         for (;;)
  59         {
  60                 Bluetooth_Stack_USBTask();
  61                 Bluetooth_Host_Task();
  62                 USB_USBTask();
  63         }
  64 }
  65
  66 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  67 void SetupHardware(void)
  68 {
  69         /* Disable watchdog if enabled by bootloader/fuses */
  70         MCUSR &= ~(1 << WDRF);
  71         wdt_disable();
  72
  73         /* Disable clock division */
  74         clock_prescale_set(clock_div_1);
  75
  76         /* Hardware Initialization */
  77         SerialStream_Init(9600, false);
  78         LEDs_Init();
  79         USB_Init();
  80 }
  81
  82 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
  83  *  starts the library USB task to begin the enumeration and USB management process.
  84  */
  85 void EVENT_USB_Host_DeviceAttached(void)
  86 {
  87         puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
  88         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  89 }
  90
  91 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
  92  *  stops the library USB task management process.
  93  */
  94 void EVENT_USB_Host_DeviceUnattached(void)
  95 {
  96         puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
  97         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  98 }
  99
 100 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 101  *  enumerated by the host and is now ready to be used by the application.
 102  */
 103 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 104 {
 105         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 106 }
 107
 108 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 109 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 110 {
 111         USB_ShutDown();
 112
 113         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 114                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 115
 116         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 117         for(;;);
 118 }
 119
 120 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 121  *  enumerating an attached USB device.
 122  */
 123 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 124 {
 125         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 126                                  " -- Error Code %d\r\n"
 127                                  " -- Sub Error Code %d\r\n"
 128                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 129
 130         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 131 }
 132
 133 /** Task to set the configuration of the attached device after it has been enumerated. */
 134 void Bluetooth_Host_Task(void)
 135 {
 136         uint8_t ErrorCode;
 137
 138         switch (USB_HostState)
 139         {
 140                 case HOST_STATE_Addressed:
 141                         puts_P(PSTR("Getting Device Data.\r\n"));
 142
 143                         /* Get and process the configuration descriptor data */
 144                         if ((ErrorCode = ProcessDeviceDescriptor()) != SuccessfulDeviceRead)
 145                         {
 146                                 if (ErrorCode == DevControlError)
 147                                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\r\n"));
 148                                 else
 149                                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 150
 151                                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 152
 153                                 /* Indicate error via status LEDs */
 154                                 LEDs_SetAllLEDs(LEDS_LED1);
 155
 156                                 /* Wait until USB device disconnected */
 157                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 158                                 break;
 159                         }
 160
 161                         puts_P(PSTR("Bluetooth Dongle Detected.\r\n"));
 162
 163                         /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
 164                         if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
 165                         {
 166                                 printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
 167                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 168
 169                                 /* Indicate error via status LEDs */
 170                                 LEDs_SetAllLEDs(LEDS_LED1);
 171
 172                                 /* Wait until USB device disconnected */
 173                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 174                                 break;
 175                         }
 176
 177                         puts_P(PSTR("Getting Config Data.\r\n"));
 178
 179                         /* Get and process the configuration descriptor data */
 180                         if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
 181                         {
 182                                 if (ErrorCode == ControlError)
 183                                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
 184                                 else
 185                                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 186
 187                                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 188
 189                                 /* Indicate error via status LEDs */
 190                                 LEDs_SetAllLEDs(LEDS_LED1);
 191
 192                                 /* Wait until USB device disconnected */
 193                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 194                                 break;
 195                         }
 196
 197                         puts_P(PSTR("Bluetooth Dongle Enumerated.\r\n"));
 198
 199                         /* Initialize the Bluetooth stack */
 200                         Bluetooth_Stack_Init();
 201
 202                         USB_HostState = HOST_STATE_Configured;
 203                         break;
 204         }
 205 }
 206
 207 /** Bluetooth stack callback event for when the Bluetooth stack has fully initialized using the attached
 208  *  Bluetooth dongle.
 209  */
 210 void Bluetooth_StackInitialized(void)
 211 {
 212         printf_P(PSTR("Stack initialized with local address %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
 213                  Bluetooth_State.LocalBDADDR[5], Bluetooth_State.LocalBDADDR[4], Bluetooth_State.LocalBDADDR[3],
 214                  Bluetooth_State.LocalBDADDR[2], Bluetooth_State.LocalBDADDR[1], Bluetooth_State.LocalBDADDR[0]);
 215 }
 216
 217 /** Bluetooth stack callback event for a Bluetooth connection request. When this callback fires, the
 218  *  user application must indicate if the connection is to be allowed or rejected.
 219  *
 220  *  \param[in] RemoteAddress  Bluetooth address of the remote device attempting the connection
 221  *
 222  *  \return Boolean true to accept the connection, false to reject it
 223  */
 224 bool Bluetooth_ConnectionRequest(const uint8_t* RemoteAddress)
 225 {
 226         printf_P(PSTR("Connection Request from Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
 227                  RemoteAddress[5], RemoteAddress[4], RemoteAddress[3], RemoteAddress[2],
 228                  RemoteAddress[1], RemoteAddress[0]);
 229
 230         /* Always accept connections from remote devices */
 231         return true;
 232 }
 233
 234 /** Bluetooth stack callback event for a completed Bluetooth connection. When this callback is made,
 235  *  the connection information can be accessed through the global \ref Bluetooth_Connection structure.
 236  */
 237 void Bluetooth_ConnectionComplete(void)
 238 {
 239         printf_P(PSTR("Connection Complete to Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
 240                  Bluetooth_Connection.RemoteAddress[5], Bluetooth_Connection.RemoteAddress[4],
 241                  Bluetooth_Connection.RemoteAddress[3], Bluetooth_Connection.RemoteAddress[2],
 242                  Bluetooth_Connection.RemoteAddress[1], Bluetooth_Connection.RemoteAddress[0]);
 243 }
 244
 245 /** Bluetooth stack callback event for a completed Bluetooth disconnection. When this callback is made,
 246  *  the connection information in the global \ref Bluetooth_Connection structure is invalidated with the
 247  *  exception of the RemoteAddress element, which can be used to determine the address of the device that
 248  *  was disconnected.
 249  */
 250 void Bluetooth_DisconnectionComplete(void)
 251 {
 252         printf_P(PSTR("Disconnection Complete to Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
 253                  Bluetooth_Connection.RemoteAddress[5], Bluetooth_Connection.RemoteAddress[4],
 254                  Bluetooth_Connection.RemoteAddress[3], Bluetooth_Connection.RemoteAddress[2],
 255                  Bluetooth_Connection.RemoteAddress[1], Bluetooth_Connection.RemoteAddress[0]);
 256 }
 257
 258 /** Bluetooth stack callback event for a Bluetooth ACL Channel connection request. When is callback fires,
 259  *  the user application must indicate if the channel connection should be rejected or not, based on the
 260  *  protocol (PSM) value of the requested channel.
 261  *
 262  *  \param PSM  Protocol PSM value for the requested channel
 263  *
 264  *  \return Boolean true to accept the channel connection request, false to reject it
 265  */
 266 bool Bluetooth_ChannelConnectionRequest(const uint16_t PSM)
 267 {
 268         /* Always accept channel connection requests regardless of PSM */
 269         return true;
 270 }
 271
 272 /** Bluetooth stack callback event for a non-signal ACL packet reception. This callback fires once a connection
 273  *  to a remote Bluetooth device has been made, and the remote device has sent a non-signalling ACL packet.
 274  *
 275  *  \param[in] Data    Pointer to a buffer where the received data is stored
 276  *  \param[in] DataLen Length of the packet data, in bytes
 277  *  \param[in] Channel Bluetooth ACL data channel information structure for the packet's destination channel
 278  */
 279 void Bluetooth_PacketReceived(void* Data, uint16_t DataLen, Bluetooth_Channel_t* const Channel)
 280 {
 281         switch (Channel->PSM)
 282         {
 283                 case CHANNEL_PSM_SDP:
 284                         /* Service Discovery Protocol packet */
 285                         ServiceDiscovery_ProcessPacket(Data, Channel);
 286                         break;
 287                 default:
 288                         /* Unknown Protocol packet */
 289                         printf_P(PSTR("Packet Received (Channel 0x%04X, PSM: 0x%02x):\r\n"), Channel->LocalNumber, Channel->PSM);
 290                         for (uint16_t Byte = 0; Byte < DataLen; Byte++)
 291                           printf_P(PSTR("0x%02X "), ((uint8_t*)Data)[Byte]);
 292                         puts_P(PSTR("\r\n"));
 293
 294                         break;
 295         }
 296 }