Demos/Host/ClassDriver/MouseHost/MouseHost.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2010.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2010  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 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                                 .DataINPipeDoubleBank   = false,
  49
  50                                 .DataOUTPipeNumber      = 2,
  51                                 .DataOUTPipeDoubleBank  = false,
  52
  53                                 .HIDInterfaceProtocol   = HID_BOOT_MOUSE_PROTOCOL,
  54                         },
  55         };
  56
  57
  58 /** Main program entry point. This routine configures the hardware required by the application, then
  59  *  enters a loop to run the application tasks in sequence.
  60  */
  61 int main(void)
  62 {
  63         SetupHardware();
  64
  65         puts_P(PSTR(ESC_FG_CYAN "Mouse Host Demo running.\r\n" ESC_FG_WHITE));
  66
  67         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  68
  69         for (;;)
  70         {
  71                 switch (USB_HostState)
  72                 {
  73                         case HOST_STATE_Addressed:
  74                                 LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  75
  76                                 uint16_t ConfigDescriptorSize;
  77                                 uint8_t  ConfigDescriptorData[512];
  78
  79                                 if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
  80                                                                        sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
  81                                 {
  82                                         printf("Error Retrieving Configuration Descriptor.\r\n");
  83                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  84                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  85                                         break;
  86                                 }
  87
  88                                 if (HID_Host_ConfigurePipes(&Mouse_HID_Interface,
  89                                                             ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)
  90                                 {
  91                                         printf("Attached Device Not a Valid Mouse.\r\n");
  92                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  93                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  94                                         break;
  95                                 }
  96
  97                                 if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
  98                                 {
  99                                         printf("Error Setting Device Configuration.\r\n");
 100                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 101                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 102                                         break;
 103                                 }
 104
 105                                 if (HID_Host_SetBootProtocol(&Mouse_HID_Interface) != 0)
 106                                 {
 107                                         printf("Could not Set Boot Protocol Mode.\r\n");
 108                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 109                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 110                                         break;
 111                                 }
 112
 113                                 printf("Mouse Enumerated.\r\n");
 114                                 LEDs_SetAllLEDs(LEDMASK_USB_READY);
 115                                 USB_HostState = HOST_STATE_Configured;
 116                                 break;
 117                         case HOST_STATE_Configured:
 118                                 if (HID_Host_IsReportReceived(&Mouse_HID_Interface))
 119                                 {
 120                                         uint8_t LEDMask  = LEDS_NO_LEDS;
 121
 122                                         USB_MouseReport_Data_t MouseReport;
 123                                         HID_Host_ReceiveReport(&Mouse_HID_Interface, &MouseReport);
 124
 125                                         printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X,
 126                                                                                                                                   MouseReport.Y,
 127                                                                                                                                   MouseReport.Button);
 128                                         if (MouseReport.X > 0)
 129                                           LEDMask |= LEDS_LED1;
 130                                         else if (MouseReport.X < 0)
 131                                           LEDMask |= LEDS_LED2;
 132
 133                                         if (MouseReport.Y > 0)
 134                                           LEDMask |= LEDS_LED3;
 135                                         else if (MouseReport.Y < 0)
 136                                           LEDMask |= LEDS_LED4;
 137
 138                                         if (MouseReport.Button)
 139                                           LEDMask  = LEDS_ALL_LEDS;
 140
 141                                         LEDs_SetAllLEDs(LEDMask);
 142                                 }
 143
 144                                 break;
 145                 }
 146
 147                 HID_Host_USBTask(&Mouse_HID_Interface);
 148                 USB_USBTask();
 149         }
 150 }
 151
 152 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 153 void SetupHardware(void)
 154 {
 155         /* Disable watchdog if enabled by bootloader/fuses */
 156         MCUSR &= ~(1 << WDRF);
 157         wdt_disable();
 158
 159         /* Disable clock division */
 160         clock_prescale_set(clock_div_1);
 161
 162         /* Hardware Initialization */
 163         SerialStream_Init(9600, false);
 164         LEDs_Init();
 165         USB_Init();
 166 }
 167
 168 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 169  *  starts the library USB task to begin the enumeration and USB management process.
 170  */
 171 void EVENT_USB_Host_DeviceAttached(void)
 172 {
 173         puts_P(PSTR("Device Attached.\r\n"));
 174         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 175 }
 176
 177 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 178  *  stops the library USB task management process.
 179  */
 180 void EVENT_USB_Host_DeviceUnattached(void)
 181 {
 182         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 183         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 184 }
 185
 186 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 187  *  enumerated by the host and is now ready to be used by the application.
 188  */
 189 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 190 {
 191         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 192 }
 193
 194 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 195 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 196 {
 197         USB_ShutDown();
 198
 199         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 200                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 201
 202         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 203         for(;;);
 204 }
 205
 206 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 207  *  enumerating an attached USB device.
 208  */
 209 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 210 {
 211         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 212                                  " -- Error Code %d\r\n"
 213                                  " -- Sub Error Code %d\r\n"
 214                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 215
 216         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 217 }