Added new MassStorageKeyboard Device Class Driver demo (thanks to Matthias Hullin).
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Dean Camera
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20 changed files with 4194 additions and 4 deletions
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/*
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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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Copyright 2009 Matthias Hullin (matthias [at] hullin [dot] net)
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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 MassStorageKeyboard 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 "MassStorageKeyboard.h"
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/** Buffer to hold the previously generated Keyboard HID report, for comparison purposes inside the HID class driver. */
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uint8_t PrevKeyboardHIDReportBuffer[sizeof(USB_KeyboardReport_Data_t)];
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/** LUFA Mass Storage Class driver interface configuration and state information. This structure is
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* passed to all Mass Storage 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_MS_Device_t Disk_MS_Interface =
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{
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.Config =
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{
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.InterfaceNumber = 0,
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.DataINEndpointNumber = MASS_STORAGE_IN_EPNUM,
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.DataINEndpointSize = MASS_STORAGE_IO_EPSIZE,
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.DataOUTEndpointNumber = MASS_STORAGE_OUT_EPNUM,
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.DataOUTEndpointSize = MASS_STORAGE_IO_EPSIZE,
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.TotalLUNs = TOTAL_LUNS,
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},
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};
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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 Keyboard_HID_Interface =
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{
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.Config =
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{
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.InterfaceNumber = 1,
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.ReportINEndpointNumber = KEYBOARD_EPNUM,
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.ReportINEndpointSize = KEYBOARD_EPSIZE,
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.PrevReportINBuffer = PrevKeyboardHIDReportBuffer,
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.PrevReportINBufferSize = sizeof(PrevKeyboardHIDReportBuffer),
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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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for (;;)
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{
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MS_Device_USBTask(&Disk_MS_Interface);
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HID_Device_USBTask(&Keyboard_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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Joystick_Init();
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Buttons_Init();
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SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_SCK_LEAD_FALLING | SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
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Dataflash_Init();
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USB_Init();
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/* Clear Dataflash sector protections, if enabled */
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DataflashManager_ResetDataflashProtections();
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/* Millisecond timer initialization, with output compare interrupt enabled for the HID 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_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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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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if (!(MS_Device_ConfigureEndpoints(&Disk_MS_Interface)))
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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if (!(HID_Device_ConfigureEndpoints(&Keyboard_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 Request event. */
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void EVENT_USB_Device_UnhandledControlRequest(void)
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{
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MS_Device_ProcessControlRequest(&Disk_MS_Interface);
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HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);
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}
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/** Mass Storage class driver callback function the reception of SCSI commands from the host, which must be processed.
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*
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* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface configuration structure being referenced
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*/
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bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
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{
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bool CommandSuccess;
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LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
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CommandSuccess = SCSI_DecodeSCSICommand(MSInterfaceInfo);
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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return CommandSuccess;
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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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HID_Device_MillisecondElapsed(&Keyboard_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[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, uint8_t* const ReportID,
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void* ReportData, uint16_t* ReportSize)
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{
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USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
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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 (JoyStatus_LCL & JOY_UP)
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KeyboardReport->KeyCode[0] = 0x04; // A
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else if (JoyStatus_LCL & JOY_DOWN)
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KeyboardReport->KeyCode[0] = 0x05; // B
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if (JoyStatus_LCL & JOY_LEFT)
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KeyboardReport->KeyCode[0] = 0x06; // C
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else if (JoyStatus_LCL & JOY_RIGHT)
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KeyboardReport->KeyCode[0] = 0x07; // D
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if (JoyStatus_LCL & JOY_PRESS)
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KeyboardReport->KeyCode[0] = 0x08; // E
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if (ButtonStatus_LCL & BUTTONS_BUTTON1)
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KeyboardReport->KeyCode[0] = 0x09; // F
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*ReportSize = sizeof(USB_KeyboardReport_Data_t);
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return false;
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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] ReportData Pointer to a buffer where the created 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, const uint8_t ReportID,
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const void* ReportData, 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 & 0x01) // NUM Lock
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LEDMask |= LEDS_LED1;
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if (*LEDReport & 0x02) // CAPS Lock
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LEDMask |= LEDS_LED3;
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if (*LEDReport & 0x04) // SCROLL Lock
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LEDMask |= LEDS_LED4;
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LEDs_SetAllLEDs(LEDMask);
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}
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