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         sei();
  58
  59         for (;;)
  60         {
  61                 RFCOMM_ServiceChannels(SerialChannel_ACL);
  62
  63                 Bluetooth_Host_Task();
  64                 Bluetooth_Stack_USBTask();
  65                 USB_USBTask();
  66         }
  67 }
  68
  69 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  70 void SetupHardware(void)
  71 {
  72         /* Disable watchdog if enabled by bootloader/fuses */
  73         MCUSR &= ~(1 << WDRF);
  74         wdt_disable();
  75
  76         /* Disable clock division */
  77         clock_prescale_set(clock_div_1);
  78
  79         /* Hardware Initialization */
  80         SerialStream_Init(9600, false);
  81         LEDs_Init();
  82         USB_Init();
  83 }
  84
  85 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
  86  *  starts the library USB task to begin the enumeration and USB management process.
  87  */
  88 void EVENT_USB_Host_DeviceAttached(void)
  89 {
  90         puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
  91         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  92 }
  93
  94 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
  95  *  stops the library USB task management process.
  96  */
  97 void EVENT_USB_Host_DeviceUnattached(void)
  98 {
  99         puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
 100         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 101 }
 102
 103 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 104  *  enumerated by the host and is now ready to be used by the application.
 105  */
 106 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 107 {
 108         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 109 }
 110
 111 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 112 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 113 {
 114         USB_ShutDown();
 115
 116         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 117                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 118
 119         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 120         for(;;);
 121 }
 122
 123 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 124  *  enumerating an attached USB device.
 125  */
 126 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
 127                                             const uint8_t SubErrorCode)
 128 {
 129         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 130                                  " -- Error Code %d\r\n"
 131                                  " -- Sub Error Code %d\r\n"
 132                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 133
 134         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 135 }
 136
 137 /** Task to set the configuration of the attached device after it has been enumerated. */
 138 void Bluetooth_Host_Task(void)
 139 {
 140         uint8_t ErrorCode;
 141
 142         switch (USB_HostState)
 143         {
 144                 case HOST_STATE_Addressed:
 145                         puts_P(PSTR("Getting Device Data.\r\n"));
 146
 147                         /* Get and process the configuration descriptor data */
 148                         if ((ErrorCode = ProcessDeviceDescriptor()) != SuccessfulDeviceRead)
 149                         {
 150                                 if (ErrorCode == DevControlError)
 151                                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\r\n"));
 152                                 else
 153                                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 154
 155                                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 156
 157                                 /* Indicate error via status LEDs */
 158                                 LEDs_SetAllLEDs(LEDS_LED1);
 159
 160                                 /* Wait until USB device disconnected */
 161                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 162                                 break;
 163                         }
 164
 165                         puts_P(PSTR("Bluetooth Dongle Detected.\r\n"));
 166
 167                         /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
 168                         if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
 169                         {
 170                                 printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
 171                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 172
 173                                 /* Indicate error via status LEDs */
 174                                 LEDs_SetAllLEDs(LEDS_LED1);
 175
 176                                 /* Wait until USB device disconnected */
 177                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 178                                 break;
 179                         }
 180
 181                         puts_P(PSTR("Getting Config Data.\r\n"));
 182
 183                         /* Get and process the configuration descriptor data */
 184                         if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
 185                         {
 186                                 if (ErrorCode == ControlError)
 187                                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
 188                                 else
 189                                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 190
 191                                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 192
 193                                 /* Indicate error via status LEDs */
 194                                 LEDs_SetAllLEDs(LEDS_LED1);
 195
 196                                 /* Wait until USB device disconnected */
 197                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 198                                 break;
 199                         }
 200
 201                         puts_P(PSTR("Bluetooth Dongle Enumerated.\r\n"));
 202
 203                         /* Initialize the Bluetooth stack */
 204                         Bluetooth_Stack_Init();
 205
 206                         USB_HostState = HOST_STATE_Configured;
 207                         break;
 208         }
 209 }