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   = 0x02,
  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, NULL) != HOST_SENDCONTROL_Successful) ||
  77                                     (ConfigDescriptorSize > sizeof(ConfigDescriptorData)) ||
  78                                         (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData)))
  79                                 {
  80                                         printf("Error Retrieving Configuration Descriptor.\r\n");
  81                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  82                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  83                                         break;
  84                                 }
  85
  86                                 if (HID_Host_ConfigurePipes(&Mouse_HID_Interface,
  87                                                             ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)
  88                                 {
  89                                         printf("Attached Device Not a Valid Mouse.\r\n");
  90                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  91                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  92                                         break;
  93                                 }
  94
  95                                 if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
  96                                 {
  97                                         printf("Error Setting Device Configuration.\r\n");
  98                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  99                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 100                                         break;
 101                                 }
 102
 103                                 printf("Mouse Enumerated.\r\n");
 104                                 USB_HostState = HOST_STATE_Configured;
 105                                 break;
 106                         case HOST_STATE_Configured:
 107                                 if (HID_Host_IsReportReceived(&Mouse_HID_Interface))
 108                                 {
 109
 110                                 }
 111
 112                                 break;
 113                 }
 114
 115                 HID_Host_USBTask(&Mouse_HID_Interface);
 116                 USB_USBTask();
 117         }
 118 }
 119
 120 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 121 void SetupHardware(void)
 122 {
 123         /* Disable watchdog if enabled by bootloader/fuses */
 124         MCUSR &= ~(1 << WDRF);
 125         wdt_disable();
 126
 127         /* Disable clock division */
 128         clock_prescale_set(clock_div_1);
 129
 130         /* Hardware Initialization */
 131         SerialStream_Init(9600, false);
 132         LEDs_Init();
 133         USB_Init();
 134 }
 135
 136 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 137  *  starts the library USB task to begin the enumeration and USB management process.
 138  */
 139 void EVENT_USB_Host_DeviceAttached(void)
 140 {
 141         puts_P(PSTR("Device Attached.\r\n"));
 142         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 143 }
 144
 145 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 146  *  stops the library USB task management process.
 147  */
 148 void EVENT_USB_Host_DeviceUnattached(void)
 149 {
 150         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 151         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 152 }
 153
 154 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 155  *  enumerated by the host and is now ready to be used by the application.
 156  */
 157 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 158 {
 159         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 160 }
 161
 162 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 163 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 164 {
 165         USB_ShutDown();
 166
 167         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 168                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 169
 170         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 171         for(;;);
 172 }
 173
 174 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 175  *  enumerating an attached USB device.
 176  */
 177 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 178 {
 179         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 180                                  " -- Error Code %d\r\n"
 181                                  " -- Sub Error Code %d\r\n"
 182                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 183
 184         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 185 }