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                 .ReportINBufferSize      = 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                 .ReportINBufferSize      = 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         /* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */
  91         OCR0A  = ((F_CPU / 64) / 1000);
  92         TCCR0A = (1 << WGM01);
  93         TCCR0B = ((1 << CS01) | (1 << CS00));
  94         TIMSK0 = (1 << OCIE0A);
  95 }
  96
  97 void EVENT_USB_Connect(void)
  98 {
  99         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 100 }
 101
 102 void EVENT_USB_Disconnect(void)
 103 {
 104         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 105 }
 106
 107 void EVENT_USB_ConfigurationChanged(void)
 108 {
 109         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 110
 111         if (!(USB_HID_ConfigureEndpoints(&Keyboard_HID_Interface)))
 112           LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 113
 114         if (!(USB_HID_ConfigureEndpoints(&Mouse_HID_Interface)))
 115           LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 116 }
 117
 118 void EVENT_USB_UnhandledControlPacket(void)
 119 {
 120         USB_HID_ProcessControlPacket(&Keyboard_HID_Interface);
 121         USB_HID_ProcessControlPacket(&Mouse_HID_Interface);
 122 }
 123
 124 ISR(TIMER0_COMPA_vect, ISR_BLOCK)
 125 {
 126         if (Keyboard_HID_Interface.IdleMSRemaining)
 127           Keyboard_HID_Interface.IdleMSRemaining--;
 128
 129         if (Mouse_HID_Interface.IdleMSRemaining)
 130           Mouse_HID_Interface.IdleMSRemaining--;
 131 }
 132
 133 uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)
 134 {
 135         uint8_t JoyStatus_LCL    = Joystick_GetStatus();
 136         uint8_t ButtonStatus_LCL = Buttons_GetStatus();
 137
 138         if (HIDInterfaceInfo == &Keyboard_HID_Interface)
 139         {
 140                 USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
 141
 142                 /* If first board button not being held down, no keyboard report */
 143                 if (!(ButtonStatus_LCL & BUTTONS_BUTTON1))
 144                   return 0;
 145
 146                 if (JoyStatus_LCL & JOY_UP)
 147                   KeyboardReport->KeyCode[0] = 0x04; // A
 148                 else if (JoyStatus_LCL & JOY_DOWN)
 149                   KeyboardReport->KeyCode[0] = 0x05; // B
 150
 151                 if (JoyStatus_LCL & JOY_LEFT)
 152                   KeyboardReport->KeyCode[0] = 0x06; // C
 153                 else if (JoyStatus_LCL & JOY_RIGHT)
 154                   KeyboardReport->KeyCode[0] = 0x07; // D
 155
 156                 if (JoyStatus_LCL & JOY_PRESS)
 157                   KeyboardReport->KeyCode[0] = 0x08; // E
 158
 159                 return sizeof(USB_KeyboardReport_Data_t);
 160         }
 161         else
 162         {
 163                 USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;
 164
 165                 /* If first board button being held down, no mouse report */
 166                 if (ButtonStatus_LCL & BUTTONS_BUTTON1)
 167                   return 0;
 168
 169                 if (JoyStatus_LCL & JOY_UP)
 170                   MouseReport->Y = -1;
 171                 else if (JoyStatus_LCL & JOY_DOWN)
 172                   MouseReport->Y =  1;
 173
 174                 if (JoyStatus_LCL & JOY_RIGHT)
 175                   MouseReport->X =  1;
 176                 else if (JoyStatus_LCL & JOY_LEFT)
 177                   MouseReport->X = -1;
 178
 179                 if (JoyStatus_LCL & JOY_PRESS)
 180                   MouseReport->Button  = (1 << 0);
 181
 182                 return sizeof(USB_MouseReport_Data_t);
 183         }
 184 }
 185
 186 void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData, uint16_t ReportSize)
 187 {
 188         if (HIDInterfaceInfo == &Keyboard_HID_Interface)
 189         {
 190                 uint8_t  LEDMask   = LEDS_NO_LEDS;
 191                 uint8_t* LEDReport = (uint8_t*)ReportData;
 192
 193                 if (*LEDReport & 0x01) // NUM Lock
 194                   LEDMask |= LEDS_LED1;
 195
 196                 if (*LEDReport & 0x02) // CAPS Lock
 197                   LEDMask |= LEDS_LED3;
 198
 199                 if (*LEDReport & 0x04) // SCROLL Lock
 200                   LEDMask |= LEDS_LED4;
 201
 202                 LEDs_SetAllLEDs(LEDMask);
 203         }
 204 }