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Diffstat (limited to 'Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.c')
| -rw-r--r-- | Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.c b/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.c new file mode 100644 index 000000000..9b22f1108 --- /dev/null +++ b/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.c @@ -0,0 +1,238 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2009 Matthias Hullin (matthias [at] hullin [dot] net)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, provided that the above copyright notice appear in all
+ copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Main source file for the MassStorageKeyboard demo. This file contains the main tasks of
+ * the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "MassStorageKeyboard.h"
+
+/** Buffer to hold the previously generated Keyboard HID report, for comparison purposes inside the HID class driver. */
+uint8_t PrevKeyboardHIDReportBuffer[sizeof(USB_KeyboardReport_Data_t)];
+
+/** LUFA Mass Storage Class driver interface configuration and state information. This structure is
+ * passed to all Mass Storage Class driver functions, so that multiple instances of the same class
+ * within a device can be differentiated from one another.
+ */
+USB_ClassInfo_MS_Device_t Disk_MS_Interface =
+ {
+ .Config =
+ {
+ .InterfaceNumber = 0,
+
+ .DataINEndpointNumber = MASS_STORAGE_IN_EPNUM,
+ .DataINEndpointSize = MASS_STORAGE_IO_EPSIZE,
+
+ .DataOUTEndpointNumber = MASS_STORAGE_OUT_EPNUM,
+ .DataOUTEndpointSize = MASS_STORAGE_IO_EPSIZE,
+
+ .TotalLUNs = TOTAL_LUNS,
+ },
+ };
+
+/** LUFA HID Class driver interface configuration and state information. This structure is
+ * passed to all HID Class driver functions, so that multiple instances of the same class
+ * within a device can be differentiated from one another.
+ */
+USB_ClassInfo_HID_Device_t Keyboard_HID_Interface =
+ {
+ .Config =
+ {
+ .InterfaceNumber = 1,
+
+ .ReportINEndpointNumber = KEYBOARD_EPNUM,
+ .ReportINEndpointSize = KEYBOARD_EPSIZE,
+
+ .PrevReportINBuffer = PrevKeyboardHIDReportBuffer,
+ .PrevReportINBufferSize = sizeof(PrevKeyboardHIDReportBuffer),
+ },
+ };
+
+/** Main program entry point. This routine contains the overall program flow, including initial
+ * setup of all components and the main program loop.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+
+ for (;;)
+ {
+ MS_Device_USBTask(&Disk_MS_Interface);
+ HID_Device_USBTask(&Keyboard_HID_Interface);
+ USB_USBTask();
+ }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Disable clock division */
+ clock_prescale_set(clock_div_1);
+
+ /* Hardware Initialization */
+ LEDs_Init();
+ Joystick_Init();
+ Buttons_Init();
+ SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_SCK_LEAD_FALLING | SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
+ Dataflash_Init();
+ USB_Init();
+
+ /* Clear Dataflash sector protections, if enabled */
+ DataflashManager_ResetDataflashProtections();
+
+ /* Millisecond timer initialization, with output compare interrupt enabled for the HID idle timing */
+ OCR0A = ((F_CPU / 64) / 1000);
+ TCCR0A = (1 << WGM01);
+ TCCR0B = ((1 << CS01) | (1 << CS00));
+ TIMSK0 = (1 << OCIE0A);
+}
+
+/** Event handler for the library USB Connection event. */
+void EVENT_USB_Device_Connect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the library USB Disconnection event. */
+void EVENT_USB_Device_Disconnect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the library USB Configuration Changed event. */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+
+ if (!(MS_Device_ConfigureEndpoints(&Disk_MS_Interface)))
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ if (!(HID_Device_ConfigureEndpoints(&Keyboard_HID_Interface)))
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** Event handler for the library USB Unhandled Control Request event. */
+void EVENT_USB_Device_UnhandledControlRequest(void)
+{
+ MS_Device_ProcessControlRequest(&Disk_MS_Interface);
+ HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);
+}
+
+/** Mass Storage class driver callback function the reception of SCSI commands from the host, which must be processed.
+ *
+ * \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface configuration structure being referenced
+ */
+bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
+{
+ bool CommandSuccess;
+
+ LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
+ CommandSuccess = SCSI_DecodeSCSICommand(MSInterfaceInfo);
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+
+ return CommandSuccess;
+}
+
+/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */
+ISR(TIMER0_COMPA_vect, ISR_BLOCK)
+{
+ HID_Device_MillisecondElapsed(&Keyboard_HID_Interface);
+}
+
+/** HID class driver callback function for the creation of HID reports to the host.
+ *
+ * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
+ * \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
+ * \param[out] ReportData Pointer to a buffer where the created report should be stored
+ * \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent
+ *
+ * \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
+ */
+bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
+ void* ReportData, uint16_t* ReportSize)
+{
+ USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
+
+ uint8_t JoyStatus_LCL = Joystick_GetStatus();
+ uint8_t ButtonStatus_LCL = Buttons_GetStatus();
+
+ if (JoyStatus_LCL & JOY_UP)
+ KeyboardReport->KeyCode[0] = 0x04; // A
+ else if (JoyStatus_LCL & JOY_DOWN)
+ KeyboardReport->KeyCode[0] = 0x05; // B
+
+ if (JoyStatus_LCL & JOY_LEFT)
+ KeyboardReport->KeyCode[0] = 0x06; // C
+ else if (JoyStatus_LCL & JOY_RIGHT)
+ KeyboardReport->KeyCode[0] = 0x07; // D
+
+ if (JoyStatus_LCL & JOY_PRESS)
+ KeyboardReport->KeyCode[0] = 0x08; // E
+
+ if (ButtonStatus_LCL & BUTTONS_BUTTON1)
+ KeyboardReport->KeyCode[0] = 0x09; // F
+
+ *ReportSize = sizeof(USB_KeyboardReport_Data_t);
+ return false;
+}
+
+/** HID class driver callback function for the processing of HID reports from the host.
+ *
+ * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
+ * \param[in] ReportID Report ID of the received report from the host
+ * \param[in] ReportData Pointer to a buffer where the created report has been stored
+ * \param[in] ReportSize Size in bytes of the received HID report
+ */
+void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID,
+ const void* ReportData, const uint16_t ReportSize)
+{
+ uint8_t LEDMask = LEDS_NO_LEDS;
+ uint8_t* LEDReport = (uint8_t*)ReportData;
+
+ if (*LEDReport & 0x01) // NUM Lock
+ LEDMask |= LEDS_LED1;
+
+ if (*LEDReport & 0x02) // CAPS Lock
+ LEDMask |= LEDS_LED3;
+
+ if (*LEDReport & 0x04) // SCROLL Lock
+ LEDMask |= LEDS_LED4;
+
+ LEDs_SetAllLEDs(LEDMask);
+}
+
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