Demos/Device/KeyboardMouse/KeyboardMouse.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   Copyright 2009  Denver Gingerich (denver [at] ossguy [dot] com)
  12
  13   Permission to use, copy, modify, and distribute this software
  14   and its documentation for any purpose and without fee is hereby
  15   granted, provided that the above copyright notice appear in all
  16   copies and that both that the copyright notice and this
  17   permission notice and warranty disclaimer appear in supporting
  18   documentation, and that the name of the author not be used in
  19   advertising or publicity pertaining to distribution of the
  20   software without specific, written prior permission.
  21
  22   The author disclaim all warranties with regard to this
  23   software, including all implied warranties of merchantability
  24   and fitness.  In no event shall the author be liable for any
  25   special, indirect or consequential damages or any damages
  26   whatsoever resulting from loss of use, data or profits, whether
  27   in an action of contract, negligence or other tortious action,
  28   arising out of or in connection with the use or performance of
  29   this software.
  30 */
  31
  32 #include "KeyboardMouse.h"
  33
  34 USB_ClassInfo_HID_t Keyboard_HID_Interface =
  35         {
  36                 .InterfaceNumber         = 0,
  37
  38                 .ReportINEndpointNumber  = KEYBOARD_IN_EPNUM,
  39                 .ReportINEndpointSize    = HID_EPSIZE,
  40
  41                 .ReportOUTEndpointNumber = KEYBOARD_OUT_EPNUM,
  42                 .ReportOUTEndpointSize   = HID_EPSIZE,
  43
  44                 .ReportBufferSize        = sizeof(USB_KeyboardReport_Data_t),
  45
  46                 .IdleCount               = 500,
  47         };
  48
  49 USB_ClassInfo_HID_t Mouse_HID_Interface =
  50         {
  51                 .InterfaceNumber         = 0,
  52
  53                 .ReportINEndpointNumber  = MOUSE_IN_EPNUM,
  54                 .ReportINEndpointSize    = HID_EPSIZE,
  55
  56                 .ReportBufferSize        = sizeof(USB_MouseReport_Data_t),
  57
  58                 .ReportOUTEndpointNumber = 0,
  59                 .ReportOUTEndpointSize   = 0,
  60         };
  61
  62 int main(void)
  63 {
  64         SetupHardware();
  65
  66         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  67
  68         for (;;)
  69         {
  70                 USB_HID_USBTask(&Keyboard_HID_Interface);
  71                 USB_HID_USBTask(&Mouse_HID_Interface);
  72                 USB_USBTask();
  73         }
  74 }
  75
  76 void SetupHardware()
  77 {
  78         /* Disable watchdog if enabled by bootloader/fuses */
  79         MCUSR &= ~(1 << WDRF);
  80         wdt_disable();
  81
  82         /* Disable clock division */
  83         clock_prescale_set(clock_div_1);
  84
  85         /* Hardware Initialization */
  86         Joystick_Init();
  87         LEDs_Init();
  88         USB_Init();
  89 }
  90
  91 void EVENT_USB_Connect(void)
  92 {
  93         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  94 }
  95
  96 void EVENT_USB_Disconnect(void)
  97 {
  98         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  99 }
 100
 101 void EVENT_USB_ConfigurationChanged(void)
 102 {
 103         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 104
 105         if (!(USB_HID_ConfigureEndpoints(&Keyboard_HID_Interface)))
 106           LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 107
 108         if (!(USB_HID_ConfigureEndpoints(&Mouse_HID_Interface)))
 109           LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 110 }
 111
 112 void EVENT_USB_UnhandledControlPacket(void)
 113 {
 114         USB_HID_ProcessControlPacket(&Keyboard_HID_Interface);
 115         USB_HID_ProcessControlPacket(&Mouse_HID_Interface);
 116 }
 117
 118 void EVENT_USB_StartOfFrame(void)
 119 {
 120         USB_HID_RegisterStartOfFrame(&Keyboard_HID_Interface);
 121         USB_HID_RegisterStartOfFrame(&Mouse_HID_Interface);
 122 }
 123
 124 uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)
 125 {
 126         uint8_t JoyStatus_LCL    = Joystick_GetStatus();
 127         uint8_t ButtonStatus_LCL = Buttons_GetStatus();
 128
 129         if (HIDInterfaceInfo == &Keyboard_HID_Interface)
 130         {
 131                 USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
 132
 133                 /* If first board button not being held down, no keyboard report */
 134                 if (!(ButtonStatus_LCL & BUTTONS_BUTTON1))
 135                   return 0;
 136
 137                 if (JoyStatus_LCL & JOY_UP)
 138                   KeyboardReport->KeyCode[0] = 0x04; // A
 139                 else if (JoyStatus_LCL & JOY_DOWN)
 140                   KeyboardReport->KeyCode[0] = 0x05; // B
 141
 142                 if (JoyStatus_LCL & JOY_LEFT)
 143                   KeyboardReport->KeyCode[0] = 0x06; // C
 144                 else if (JoyStatus_LCL & JOY_RIGHT)
 145                   KeyboardReport->KeyCode[0] = 0x07; // D
 146
 147                 if (JoyStatus_LCL & JOY_PRESS)
 148                   KeyboardReport->KeyCode[0] = 0x08; // E
 149
 150                 return sizeof(USB_KeyboardReport_Data_t);
 151         }
 152         else
 153         {
 154                 USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;
 155
 156                 /* If first board button being held down, no mouse report */
 157                 if (ButtonStatus_LCL & BUTTONS_BUTTON1)
 158                   return 0;
 159
 160                 if (JoyStatus_LCL & JOY_UP)
 161                   MouseReport->Y = -1;
 162                 else if (JoyStatus_LCL & JOY_DOWN)
 163                   MouseReport->Y =  1;
 164
 165                 if (JoyStatus_LCL & JOY_RIGHT)
 166                   MouseReport->X =  1;
 167                 else if (JoyStatus_LCL & JOY_LEFT)
 168                   MouseReport->X = -1;
 169
 170                 if (JoyStatus_LCL & JOY_PRESS)
 171                   MouseReport->Button  = (1 << 0);
 172
 173                 return sizeof(USB_MouseReport_Data_t);
 174         }
 175 }
 176
 177 void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData, uint16_t ReportSize)
 178 {
 179         if (HIDInterfaceInfo == &Keyboard_HID_Interface)
 180         {
 181                 uint8_t  LEDMask   = LEDS_NO_LEDS;
 182                 uint8_t* LEDReport = (uint8_t*)ReportData;
 183
 184                 if (*LEDReport & 0x01) // NUM Lock
 185                   LEDMask |= LEDS_LED1;
 186
 187                 if (*LEDReport & 0x02) // CAPS Lock
 188                   LEDMask |= LEDS_LED3;
 189
 190                 if (*LEDReport & 0x04) // SCROLL Lock
 191                   LEDMask |= LEDS_LED4;
 192
 193                 LEDs_SetAllLEDs(LEDMask);
 194         }
 195 }