Demos/Host/Incomplete/BluetoothHost/BluetoothHost.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2012.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2012  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_Stack_USBTask();
  64                 USB_USBTask();
  65         }
  66 }
  67
  68 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  69 void SetupHardware(void)
  70 {
  71         /* Disable watchdog if enabled by bootloader/fuses */
  72         MCUSR &= ~(1 << WDRF);
  73         wdt_disable();
  74
  75         /* Disable clock division */
  76         clock_prescale_set(clock_div_1);
  77
  78         /* Hardware Initialization */
  79         Serial_Init(9600, false);
  80         LEDs_Init();
  81         USB_Init();
  82
  83         /* Create a stdio stream for the serial port for stdin and stdout */
  84         Serial_CreateStream(NULL);
  85 }
  86
  87 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
  88  *  starts the library USB task to begin the enumeration and USB management process.
  89  */
  90 void EVENT_USB_Host_DeviceAttached(void)
  91 {
  92         puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
  93         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  94 }
  95
  96 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
  97  *  stops the library USB task management process.
  98  */
  99 void EVENT_USB_Host_DeviceUnattached(void)
 100 {
 101         puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
 102         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 103 }
 104
 105 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 106  *  enumerated by the host and is now ready to be used by the application.
 107  */
 108 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 109 {
 110         puts_P(PSTR("Getting Device Data.\r\n"));
 111
 112         uint8_t ErrorCode;
 113
 114         /* Get and process the configuration descriptor data */
 115         if ((ErrorCode = ProcessDeviceDescriptor()) != SuccessfulDeviceRead)
 116         {
 117                 if (ErrorCode == DevControlError)
 118                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\r\n"));
 119                 else
 120                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 121
 122                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 123
 124                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 125                 return;
 126         }
 127
 128         puts_P(PSTR("Getting Config Data.\r\n"));
 129
 130         /* Get and process the configuration descriptor data */
 131         if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
 132         {
 133                 if (ErrorCode == ControlError)
 134                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
 135                 else
 136                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 137
 138                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 139
 140                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 141                 return;
 142         }
 143
 144         /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
 145         if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
 146         {
 147                 printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
 148                                                                  " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 149
 150                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 151                 return;
 152         }
 153
 154         puts_P(PSTR("Bluetooth Dongle Enumerated.\r\n"));
 155
 156         /* Initialize the Bluetooth stack */
 157         Bluetooth_Stack_Init();
 158
 159         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 160 }
 161
 162 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 163 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 164 {
 165         USB_Disable();
 166
 167         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 168                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 169
 170         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 171         for(;;);
 172 }
 173
 174 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 175  *  enumerating an attached USB device.
 176  */
 177 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
 178                                             const uint8_t SubErrorCode)
 179 {
 180         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 181                                  " -- Error Code %d\r\n"
 182                                  " -- Sub Error Code %d\r\n"
 183                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 184
 185         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 186 }
 187