protocol/lufa/LUFA-git/Demos/DualRole/ClassDriver/MouseHostDevice/MouseHostDevice.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2014.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2014  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 disclaims 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 MouseHostDevice demo. This file contains the main tasks of
  34  *  the demo and is responsible for the overall control flow of the demo.
  35  */
  36
  37 #include "MouseHostDevice.h"
  38
  39 /** Main program entry point. This routine configures the hardware required by the application, then
  40  *  enters a loop to run the application tasks in sequence.
  41  */
  42 int main(void)
  43 {
  44         SetupHardware();
  45
  46         puts_P(PSTR(ESC_FG_CYAN "Mouse Host/Device Demo running.\r\n" ESC_FG_WHITE));
  47
  48         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  49         GlobalInterruptEnable();
  50
  51         for (;;)
  52         {
  53                 /* Determine which USB mode we are currently in */
  54                 if (USB_CurrentMode == USB_MODE_Host)
  55                 {
  56                         MouseHost_Task();
  57                         HID_Host_USBTask(&Mouse_HID_Host_Interface);
  58                 }
  59                 else
  60                 {
  61                         HID_Device_USBTask(&Mouse_HID_Device_Interface);
  62                 }
  63
  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 #if (ARCH == ARCH_AVR8)
  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 #endif
  79
  80         /* Hardware Initialization */
  81         Serial_Init(9600, false);
  82         LEDs_Init();
  83         Joystick_Init();
  84         Buttons_Init();
  85         USB_Init(USB_MODE_UID);
  86
  87         /* Create a stdio stream for the serial port for stdin and stdout */
  88         Serial_CreateStream(NULL);
  89 }
  90
  91 /** Event handler for the library USB mode change event. */
  92 void EVENT_USB_UIDChange(void)
  93 {
  94         printf_P(PSTR(ESC_FG_YELLOW "UID Change to %S mode\r\n" ESC_FG_WHITE),
  95                  (USB_CurrentMode == USB_MODE_Device) ? PSTR("Device") : PSTR("Host"));
  96
  97         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  98 }
  99