mirror of
https://github.com/mfulz/qmk_firmware.git
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a67bd74e3e
Redocumented all device demos, now that they have changed over to the new USB class drivers. Added C linkage to class drivers for C++ support. Added prefixes to most of the class driver constants to prevent name clashes.
153 lines
4.9 KiB
C
153 lines
4.9 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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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 GenericHID 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 "GenericHID.h"
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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_t Generic_HID_Interface =
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{
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.InterfaceNumber = 0,
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.ReportINEndpointNumber = GENERIC_IN_EPNUM,
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.ReportINEndpointSize = GENERIC_EPSIZE,
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.ReportOUTEndpointNumber = GENERIC_OUT_EPNUM,
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.ReportOUTEndpointSize = GENERIC_EPSIZE,
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.ReportINBufferSize = GENERIC_REPORT_SIZE,
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.UsingReportProtocol = true,
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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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for (;;)
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{
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USB_HID_USBTask(&Generic_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(void)
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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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LEDs_Init();
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USB_Init();
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/* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */
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OCR0A = ((F_CPU / 64) / 1000);
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TCCR0A = (1 << WGM01);
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TCCR0B = ((1 << CS01) | (1 << CS00));
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TIMSK0 = (1 << OCIE0A);
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}
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/** Event handler for the library USB Connection event. */
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void EVENT_USB_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_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_ConfigurationChanged(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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if (!(USB_HID_ConfigureEndpoints(&Generic_HID_Interface)))
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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}
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/** Event handler for the library USB Unhandled Control Packet event. */
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void EVENT_USB_UnhandledControlPacket(void)
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{
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USB_HID_ProcessControlPacket(&Generic_HID_Interface);
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}
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/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */
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ISR(TIMER0_COMPA_vect, ISR_BLOCK)
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{
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if (Generic_HID_Interface.IdleMSRemaining)
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Generic_HID_Interface.IdleMSRemaining--;
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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 HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
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* \param ReportData Pointer to a buffer where the created report should be stored
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*
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* \return Number of bytes written in the report (or zero if no report is to be sent
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*/
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uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)
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{
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// Create generic HID report here
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return 0;
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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 HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
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* \param ReportData Pointer to a buffer where the created report has been stored
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* \param ReportSize Size in bytes of the received HID report
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*/
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void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData, uint16_t ReportSize)
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{
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// Process received generic HID report here
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}
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