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                                 .HIDInterfaceProtocol   = HID_BOOT_MOUSE_PROTOCOL,
  51                         },
  52         };
  53
  54
  55 /** Main program entry point. This routine configures the hardware required by the application, then
  56  *  starts the scheduler to run the application tasks.
  57  */
  58 int main(void)
  59 {
  60         SetupHardware();
  61
  62         puts_P(PSTR(ESC_FG_CYAN "Mouse Host Demo running.\r\n" ESC_FG_WHITE));
  63
  64         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  65
  66         for (;;)
  67         {
  68                 switch (USB_HostState)
  69                 {
  70                         case HOST_STATE_Addressed:
  71                                 LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  72
  73                                 uint16_t ConfigDescriptorSize;
  74                                 uint8_t  ConfigDescriptorData[512];
  75
  76                                 if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
  77                                                                   sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
  78                                 {
  79                                         printf("Error Retrieving Configuration Descriptor.\r\n");
  80                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  81                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  82                                         break;
  83                                 }
  84
  85                                 if (HID_Host_ConfigurePipes(&Mouse_HID_Interface,
  86                                                             ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)
  87                                 {
  88                                         printf("Attached Device Not a Valid Mouse.\r\n");
  89                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  90                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  91                                         break;
  92                                 }
  93
  94                                 if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
  95                                 {
  96                                         printf("Error Setting Device Configuration.\r\n");
  97                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  98                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  99                                         break;
 100                                 }
 101
 102                                 if (USB_HID_Host_SetBootProtocol(&Mouse_HID_Interface) != 0)
 103                                 {
 104                                         printf("Could not Set Boot Protocol Mode.\r\n");
 105                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 106                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 107                                         break;
 108                                 }
 109
 110                                 printf("Mouse Enumerated.\r\n");
 111                                 USB_HostState = HOST_STATE_Configured;
 112                                 break;
 113                         case HOST_STATE_Configured:
 114                                 if (HID_Host_IsReportReceived(&Mouse_HID_Interface))
 115                                 {
 116                                         uint8_t LEDMask  = LEDS_NO_LEDS;
 117
 118                                         USB_MouseReport_Data_t MouseReport;
 119                                         HID_Host_ReceiveReport(&Mouse_HID_Interface, &MouseReport);
 120
 121                                         printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X,
 122                                                                                                                                   MouseReport.Y,
 123                                                                                                                                   MouseReport.Button);
 124                                         if (MouseReport.X > 0)
 125                                           LEDMask |= LEDS_LED1;
 126                                         else if (MouseReport.X < 0)
 127                                           LEDMask |= LEDS_LED2;
 128
 129                                         if (MouseReport.Y > 0)
 130                                           LEDMask |= LEDS_LED3;
 131                                         else if (MouseReport.Y < 0)
 132                                           LEDMask |= LEDS_LED4;
 133
 134                                         if (MouseReport.Button)
 135                                           LEDMask  = LEDS_ALL_LEDS;
 136
 137                                         LEDs_SetAllLEDs(LEDMask);
 138                                 }
 139
 140                                 break;
 141                 }
 142
 143                 HID_Host_USBTask(&Mouse_HID_Interface);
 144                 USB_USBTask();
 145         }
 146 }
 147
 148 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 149 void SetupHardware(void)
 150 {
 151         /* Disable watchdog if enabled by bootloader/fuses */
 152         MCUSR &= ~(1 << WDRF);
 153         wdt_disable();
 154
 155         /* Disable clock division */
 156         clock_prescale_set(clock_div_1);
 157
 158         /* Hardware Initialization */
 159         SerialStream_Init(9600, false);
 160         LEDs_Init();
 161         USB_Init();
 162 }
 163
 164 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 165  *  starts the library USB task to begin the enumeration and USB management process.
 166  */
 167 void EVENT_USB_Host_DeviceAttached(void)
 168 {
 169         puts_P(PSTR("Device Attached.\r\n"));
 170         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 171 }
 172
 173 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 174  *  stops the library USB task management process.
 175  */
 176 void EVENT_USB_Host_DeviceUnattached(void)
 177 {
 178         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 179         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 180 }
 181
 182 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 183  *  enumerated by the host and is now ready to be used by the application.
 184  */
 185 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 186 {
 187         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 188 }
 189
 190 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 191 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 192 {
 193         USB_ShutDown();
 194
 195         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 196                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 197
 198         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 199         for(;;);
 200 }
 201
 202 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 203  *  enumerating an attached USB device.
 204  */
 205 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 206 {
 207         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 208                                  " -- Error Code %d\r\n"
 209                                  " -- Sub Error Code %d\r\n"
 210                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 211
 212         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 213 }