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, const uint8_t SubErrorCode)
 127 {
 128         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 129                                  " -- Error Code %d\r\n"
 130                                  " -- Sub Error Code %d\r\n"
 131                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 132
 133         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 134 }
 135
 136 /** Task to set the configuration of the attached device after it has been enumerated. */
 137 void Bluetooth_Host_Task(void)
 138 {
 139         uint8_t ErrorCode;
 140
 141         switch (USB_HostState)
 142         {
 143                 case HOST_STATE_Addressed:
 144                         puts_P(PSTR("Getting Device Data.\r\n"));
 145
 146                         /* Get and process the configuration descriptor data */
 147                         if ((ErrorCode = ProcessDeviceDescriptor()) != SuccessfulDeviceRead)
 148                         {
 149                                 if (ErrorCode == DevControlError)
 150                                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\r\n"));
 151                                 else
 152                                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 153
 154                                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 155
 156                                 /* Indicate error via status LEDs */
 157                                 LEDs_SetAllLEDs(LEDS_LED1);
 158
 159                                 /* Wait until USB device disconnected */
 160                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 161                                 break;
 162                         }
 163
 164                         puts_P(PSTR("Bluetooth Dongle Detected.\r\n"));
 165
 166                         /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
 167                         if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
 168                         {
 169                                 printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
 170                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 171
 172                                 /* Indicate error via status LEDs */
 173                                 LEDs_SetAllLEDs(LEDS_LED1);
 174
 175                                 /* Wait until USB device disconnected */
 176                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 177                                 break;
 178                         }
 179
 180                         puts_P(PSTR("Getting Config Data.\r\n"));
 181
 182                         /* Get and process the configuration descriptor data */
 183                         if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
 184                         {
 185                                 if (ErrorCode == ControlError)
 186                                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
 187                                 else
 188                                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 189
 190                                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 191
 192                                 /* Indicate error via status LEDs */
 193                                 LEDs_SetAllLEDs(LEDS_LED1);
 194
 195                                 /* Wait until USB device disconnected */
 196                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 197                                 break;
 198                         }
 199
 200                         puts_P(PSTR("Bluetooth Dongle Enumerated.\r\n"));
 201
 202                         /* Initialize the Bluetooth stack */
 203                         Bluetooth_Stack_Init();
 204
 205                         USB_HostState = HOST_STATE_Configured;
 206                         break;
 207         }
 208 }