Demos/Host/ClassDriver/MouseHost/MouseHost.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 MouseHost demo. This file contains the main tasks of
  34  *  the demo and is responsible for the initial application hardware configuration.
  35  */
  36
  37 #include "MouseHost.h"
  38
  39 /** LUFA HID Class driver interface configuration and state information. This structure is
  40  *  passed to all HID 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_HID_Host_t Mouse_HID_Interface =
  44         {
  45                 .Config =
  46                         {
  47                                 .DataINPipeNumber       = 1,
  48                                 .DataOUTPipeNumber      = 2,
  49
  50                                 .MatchInterfaceProtocol = true,
  51                                 .HIDInterfaceProtocol   = 0x02,
  52                         },
  53
  54                 .State =
  55                         {
  56                                 // Leave all state values to their defaults
  57                         }
  58         };
  59
  60
  61 /** Main program entry point. This routine configures the hardware required by the application, then
  62  *  starts the scheduler to run the application tasks.
  63  */
  64 int main(void)
  65 {
  66         SetupHardware();
  67
  68         puts_P(PSTR(ESC_FG_CYAN "Mouse Host Demo running.\r\n" ESC_FG_WHITE));
  69
  70         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  71
  72         for (;;)
  73         {
  74                 switch (USB_HostState)
  75                 {
  76                         case HOST_STATE_Addressed:
  77                                 LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  78
  79                                 if (HID_Host_ConfigurePipes(&Mouse_HID_Interface, 512) != HID_ENUMERROR_NoError)
  80                                 {
  81                                         printf("Attached device is not a valid Mouse.\r\n");
  82
  83                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  84                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  85                                         break;
  86                                 }
  87
  88                                 if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
  89                                 {
  90                                         printf("Error Setting Device Configuration.\r\n");
  91
  92                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  93                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  94                                         break;
  95                                 }
  96
  97                                 printf("Mouse Enumerated.\r\n");
  98                                 USB_HostState = HOST_STATE_Configured;
  99                                 break;
 100                         case HOST_STATE_Configured:
 101                                 break;
 102                 }
 103
 104                 HID_Host_USBTask(&Mouse_HID_Interface);
 105                 USB_USBTask();
 106         }
 107 }
 108
 109 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 110 void SetupHardware(void)
 111 {
 112         /* Disable watchdog if enabled by bootloader/fuses */
 113         MCUSR &= ~(1 << WDRF);
 114         wdt_disable();
 115
 116         /* Disable clock division */
 117         clock_prescale_set(clock_div_1);
 118
 119         /* Hardware Initialization */
 120         SerialStream_Init(9600, false);
 121         LEDs_Init();
 122         USB_Init();
 123 }
 124
 125 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 126  *  starts the library USB task to begin the enumeration and USB management process.
 127  */
 128 void EVENT_USB_DeviceAttached(void)
 129 {
 130         puts_P(PSTR("Device Attached.\r\n"));
 131         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 132 }
 133
 134 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 135  *  stops the library USB task management process.
 136  */
 137 void EVENT_USB_DeviceUnattached(void)
 138 {
 139         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 140         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 141 }
 142
 143 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 144  *  enumerated by the host and is now ready to be used by the application.
 145  */
 146 void EVENT_USB_DeviceEnumerationComplete(void)
 147 {
 148         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 149 }
 150
 151 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 152 void EVENT_USB_HostError(const uint8_t ErrorCode)
 153 {
 154         USB_ShutDown();
 155
 156         puts_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"));
 157         printf_P(PSTR(" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 158
 159         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 160         for(;;);
 161 }
 162
 163 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 164  *  enumerating an attached USB device.
 165  */
 166 void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 167 {
 168         puts_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"));
 169         printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
 170         printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);
 171         printf_P(PSTR(" -- In State %d\r\n" ESC_FG_WHITE), USB_HostState);
 172
 173         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 174 }