Projects/HotmailNotifier/HotmailNotifier.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2009.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, and distribute this software
  13   and its documentation for any purpose and without fee is hereby
  14   granted, provided that the above copyright notice appear in all
  15   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 HotmailNotfier project. This file contains the main tasks of
  34  *  the demo and is responsible for the initial application hardware configuration.
  35  */
  36
  37 #include "HotmailNotifier.h"
  38
  39 /** LUFA CDC Class driver interface configuration and state information. This structure is
  40  *  passed to all CDC Class driver functions, so that multiple instances of the same class
  41  *  within a device can be differentiated from one another.
  42  */
  43 USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
  44         {
  45                 .Config =
  46                         {
  47                                 .ControlInterfaceNumber         = 0,
  48
  49                                 .DataINEndpointNumber           = CDC_TX_EPNUM,
  50                                 .DataINEndpointSize             = CDC_TXRX_EPSIZE,
  51                                 .DataINEndpointDoubleBank       = false,
  52
  53                                 .DataOUTEndpointNumber          = CDC_RX_EPNUM,
  54                                 .DataOUTEndpointSize            = CDC_TXRX_EPSIZE,
  55                                 .DataOUTEndpointDoubleBank      = false,
  56
  57                                 .NotificationEndpointNumber     = CDC_NOTIFICATION_EPNUM,
  58                                 .NotificationEndpointSize       = CDC_NOTIFICATION_EPSIZE,
  59                                 .NotificationEndpointDoubleBank = false,
  60                         },
  61         };
  62
  63 /** Standard file stream for the CDC interface when set up, so that the virtual CDC COM port can be
  64  *  used like any regular character stream in the C APIs
  65  */
  66 static FILE USBSerialStream;
  67
  68 /** Main program entry point. This routine contains the overall program flow, including initial
  69  *  setup of all components and the main program loop.
  70  */
  71 int main(void)
  72 {
  73         SetupHardware();
  74
  75         /* Create a regular blocking character stream for the interface so that it can be used with the stdio.h functions */
  76         CDC_Device_CreateBlockingStream(&VirtualSerial_CDC_Interface, &USBSerialStream);
  77
  78         for (;;)
  79         {
  80                 /* Read next character - if a '1' turn on red led, if a '0' turn on green LED */
  81                 if (fgetc(&USBSerialStream) == '1')
  82                   LEDs_SetAllLEDs(LEDS_LED3);
  83                 else
  84                   LEDs_SetAllLEDs(LEDS_LED2);
  85
  86                 CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
  87                 USB_USBTask();
  88         }
  89 }
  90
  91 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  92 void SetupHardware(void)
  93 {
  94         /* Disable watchdog if enabled by bootloader/fuses */
  95         MCUSR &= ~(1 << WDRF);
  96         wdt_disable();
  97
  98         /* Disable clock division */
  99         clock_prescale_set(clock_div_1);
 100
 101         /* Hardware Initialization */
 102         LEDs_Init();
 103         USB_Init();
 104 }
 105
 106 /** Event handler for the library USB Configuration Changed event. */
 107 void EVENT_USB_Device_ConfigurationChanged(void)
 108 {
 109         LEDs_SetAllLEDs(LEDS_ALL_LEDS);
 110
 111         if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))
 112                 LEDs_SetAllLEDs(LEDS_LED1 | LEDS_LED3);
 113 }
 114
 115 /** Event handler for the library USB Unhandled Control Request event. */
 116 void EVENT_USB_Device_UnhandledControlRequest(void)
 117 {
 118         CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
 119 }