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226 lines
7.5 KiB
226 lines
7.5 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2012.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Main source file for the KeyboardMouseMultiReport demo. This file contains the main tasks of
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* the demo and is responsible for the initial application hardware configuration.
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*/
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#include "KeyboardMouseMultiReport.h"
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/** Buffer to hold the previously generated HID report, for comparison purposes inside the HID class driver. */
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static uint8_t PrevHIDReportBuffer[MAX(sizeof(USB_KeyboardReport_Data_t), sizeof(USB_MouseReport_Data_t))];
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/** LUFA HID Class driver interface configuration and state information. This structure is
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* passed to all HID Class driver functions, so that multiple instances of the same class
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* within a device can be differentiated from one another.
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*/
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USB_ClassInfo_HID_Device_t Device_HID_Interface =
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{
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.Config =
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{
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.InterfaceNumber = 0,
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.ReportINEndpoint =
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{
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.Address = HID_IN_EPADDR,
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.Size = HID_EPSIZE,
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.Banks = 1,
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},
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.PrevReportINBuffer = PrevHIDReportBuffer,
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.PrevReportINBufferSize = sizeof(PrevHIDReportBuffer),
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},
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};
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/** Main program entry point. This routine contains the overall program flow, including initial
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* setup of all components and the main program loop.
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*/
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int main(void)
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{
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SetupHardware();
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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sei();
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for (;;)
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{
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HID_Device_USBTask(&Device_HID_Interface);
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USB_USBTask();
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}
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}
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/** Configures the board hardware and chip peripherals for the demo's functionality. */
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void SetupHardware()
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{
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/* Disable watchdog if enabled by bootloader/fuses */
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MCUSR &= ~(1 << WDRF);
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wdt_disable();
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/* Disable clock division */
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clock_prescale_set(clock_div_1);
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/* Hardware Initialization */
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Joystick_Init();
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LEDs_Init();
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USB_Init();
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}
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/** Event handler for the library USB Connection event. */
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void EVENT_USB_Device_Connect(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
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}
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/** Event handler for the library USB Disconnection event. */
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void EVENT_USB_Device_Disconnect(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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}
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/** Event handler for the library USB Configuration Changed event. */
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void EVENT_USB_Device_ConfigurationChanged(void)
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{
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bool ConfigSuccess = true;
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ConfigSuccess &= HID_Device_ConfigureEndpoints(&Device_HID_Interface);
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USB_Device_EnableSOFEvents();
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LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
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}
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/** Event handler for the library USB Control Request reception event. */
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void EVENT_USB_Device_ControlRequest(void)
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{
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HID_Device_ProcessControlRequest(&Device_HID_Interface);
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}
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/** Event handler for the USB device Start Of Frame event. */
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void EVENT_USB_Device_StartOfFrame(void)
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{
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HID_Device_MillisecondElapsed(&Device_HID_Interface);
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}
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/** HID class driver callback function for the creation of HID reports to the host.
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*
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* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
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* \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
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* \param[in] ReportType Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
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* \param[out] ReportData Pointer to a buffer where the created report should be stored
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* \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent)
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*
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* \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
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*/
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bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
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uint8_t* const ReportID,
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const uint8_t ReportType,
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void* ReportData,
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uint16_t* const ReportSize)
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{
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uint8_t JoyStatus_LCL = Joystick_GetStatus();
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uint8_t ButtonStatus_LCL = Buttons_GetStatus();
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if (!(ButtonStatus_LCL & BUTTONS_BUTTON1))
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{
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USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
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KeyboardReport->Modifier = HID_KEYBOARD_MODIFIER_LEFTSHIFT;
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if (JoyStatus_LCL & JOY_UP)
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KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_A;
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else if (JoyStatus_LCL & JOY_DOWN)
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KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_B;
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if (JoyStatus_LCL & JOY_LEFT)
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KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_C;
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else if (JoyStatus_LCL & JOY_RIGHT)
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KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_D;
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if (JoyStatus_LCL & JOY_PRESS)
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KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_E;
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*ReportID = HID_REPORTID_KeyboardReport;
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*ReportSize = sizeof(USB_KeyboardReport_Data_t);
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return false;
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}
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else
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{
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USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;
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if (JoyStatus_LCL & JOY_UP)
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MouseReport->Y = -1;
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else if (JoyStatus_LCL & JOY_DOWN)
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MouseReport->Y = 1;
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if (JoyStatus_LCL & JOY_LEFT)
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MouseReport->X = -1;
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else if (JoyStatus_LCL & JOY_RIGHT)
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MouseReport->X = 1;
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if (JoyStatus_LCL & JOY_PRESS)
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MouseReport->Button |= (1 << 0);
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*ReportID = HID_REPORTID_MouseReport;
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*ReportSize = sizeof(USB_MouseReport_Data_t);
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return true;
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}
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}
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/** HID class driver callback function for the processing of HID reports from the host.
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*
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* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
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* \param[in] ReportID Report ID of the received report from the host
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* \param[in] ReportType The type of report that the host has sent, either HID_REPORT_ITEM_Out or HID_REPORT_ITEM_Feature
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* \param[in] ReportData Pointer to a buffer where the received report has been stored
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* \param[in] ReportSize Size in bytes of the received HID report
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*/
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void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
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const uint8_t ReportID,
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const uint8_t ReportType,
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const void* ReportData,
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const uint16_t ReportSize)
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{
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uint8_t LEDMask = LEDS_NO_LEDS;
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uint8_t* LEDReport = (uint8_t*)ReportData;
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if (*LEDReport & HID_KEYBOARD_LED_NUMLOCK)
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LEDMask |= LEDS_LED1;
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if (*LEDReport & HID_KEYBOARD_LED_CAPSLOCK)
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LEDMask |= LEDS_LED3;
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if (*LEDReport & HID_KEYBOARD_LED_SCROLLLOCK)
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LEDMask |= LEDS_LED4;
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LEDs_SetAllLEDs(LEDMask);
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}
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