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, 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                                 printf("Mouse Enumerated.\r\n");
 103                                 USB_HostState = HOST_STATE_Configured;
 104                                 break;
 105                         case HOST_STATE_Configured:
 106                                 if (HID_Host_IsReportReceived(&Mouse_HID_Interface))
 107                                 {
 108
 109                                 }
 110
 111                                 break;
 112                 }
 113
 114                 HID_Host_USBTask(&Mouse_HID_Interface);
 115                 USB_USBTask();
 116         }
 117 }
 118
 119 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 120 void SetupHardware(void)
 121 {
 122         /* Disable watchdog if enabled by bootloader/fuses */
 123         MCUSR &= ~(1 << WDRF);
 124         wdt_disable();
 125
 126         /* Disable clock division */
 127         clock_prescale_set(clock_div_1);
 128
 129         /* Hardware Initialization */
 130         SerialStream_Init(9600, false);
 131         LEDs_Init();
 132         USB_Init();
 133 }
 134
 135 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 136  *  starts the library USB task to begin the enumeration and USB management process.
 137  */
 138 void EVENT_USB_Host_DeviceAttached(void)
 139 {
 140         puts_P(PSTR("Device Attached.\r\n"));
 141         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 142 }
 143
 144 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 145  *  stops the library USB task management process.
 146  */
 147 void EVENT_USB_Host_DeviceUnattached(void)
 148 {
 149         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 150         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 151 }
 152
 153 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 154  *  enumerated by the host and is now ready to be used by the application.
 155  */
 156 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 157 {
 158         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 159 }
 160
 161 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 162 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 163 {
 164         USB_ShutDown();
 165
 166         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 167                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 168
 169         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 170         for(;;);
 171 }
 172
 173 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 174  *  enumerating an attached USB device.
 175  */
 176 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 177 {
 178         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 179                                  " -- Error Code %d\r\n"
 180                                  " -- Sub Error Code %d\r\n"
 181                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 182
 183         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 184 }