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+/*
+ * Copyright 2012 Jun Wako <wakojun@gmail.com>
+ * This file is based on LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse.
+ */
+
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2010 Denver Gingerich (denver [at] ossguy [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, 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.
+*/
+
+#include "report.h"
+#include "host.h"
+#include "host_driver.h"
+#include "keyboard.h"
+#include "lufa.h"
+
+static uint8_t keyboard_led_stats = 0;
+report_keyboard_t keyboard_report_sent;
+report_mouse_t mouse_report_sent;
+
+/* Host driver */
+static uint8_t keyboard_leds(void);
+static void send_keyboard(report_keyboard_t *report);
+static void send_mouse(report_mouse_t *report);
+static void send_system(uint16_t data);
+static void send_consumer(uint16_t data);
+static host_driver_t lufa_driver = {
+ keyboard_leds,
+ send_keyboard,
+ send_mouse,
+ send_system,
+ send_consumer
+};
+
+
+int main(void)
+{
+ SetupHardware();
+ sei();
+
+ keyboard_init();
+ host_set_driver(&lufa_driver);
+ while (1) {
+ keyboard_proc();
+ Keyboard_HID_Task();
+ 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);
+
+ USB_Init();
+}
+
+/** Event handler for the USB_Connect event. */
+void EVENT_USB_Device_Connect(void)
+{
+}
+
+/** Event handler for the USB_Disconnect event. */
+void EVENT_USB_Device_Disconnect(void)
+{
+}
+
+/** Event handler for the USB_ConfigurationChanged event.
+ * This is fired when the host sets the current configuration of the USB device after enumeration.
+ */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ bool ConfigSuccess = true;
+
+ /* Setup Keyboard HID Report Endpoints */
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+ HID_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
+ HID_EPSIZE, ENDPOINT_BANK_SINGLE);
+
+ /* Setup Mouse HID Report Endpoint */
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+ HID_EPSIZE, ENDPOINT_BANK_SINGLE);
+}
+
+/** Event handler for the USB_ControlRequest event.
+ * This is fired before passing along unhandled control requests to the library for processing internally.
+ */
+void EVENT_USB_Device_ControlRequest(void)
+{
+ uint8_t* ReportData;
+ uint8_t ReportSize;
+
+ /* Handle HID Class specific requests */
+ switch (USB_ControlRequest.bRequest)
+ {
+ case HID_REQ_GetReport:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+
+ /* Determine if it is the mouse or the keyboard data that is being requested */
+ if (!(USB_ControlRequest.wIndex))
+ {
+ ReportData = (uint8_t*)&keyboard_report_sent;
+ ReportSize = sizeof(keyboard_report_sent);
+ }
+ else
+ {
+ ReportData = (uint8_t*)&mouse_report_sent;
+ ReportSize = sizeof(mouse_report_sent);
+ }
+
+ /* Write the report data to the control endpoint */
+ Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);
+ Endpoint_ClearOUT();
+ }
+
+ break;
+ case HID_REQ_SetReport:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+
+ /* Wait until the LED report has been sent by the host */
+ while (!(Endpoint_IsOUTReceived()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return;
+ }
+
+ /* Read in the LED report from the host */
+ keyboard_led_stats = Endpoint_Read_8();
+
+ Endpoint_ClearOUT();
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ }
+}
+
+/** Keyboard task.
+ * This processes host LED status reports sent to the device via the keyboard OUT reporting endpoint.
+ */
+void Keyboard_HID_Task(void)
+{
+ /* Select the Keyboard LED Report Endpoint */
+ Endpoint_SelectEndpoint(KEYBOARD_OUT_EPNUM);
+
+ /* Check if Keyboard LED Endpoint Ready for Read/Write */
+ if (Endpoint_IsReadWriteAllowed())
+ {
+ /* Read in the LED report from the host */
+ keyboard_led_stats = Endpoint_Read_8();
+
+ /* Handshake the OUT Endpoint - clear endpoint and ready for next report */
+ Endpoint_ClearOUT();
+ }
+}
+
+
+/*******************************************************************************
+ * Host driver
+ ******************************************************************************/
+static uint8_t keyboard_leds(void)
+{
+ return keyboard_led_stats;
+}
+
+static void send_keyboard(report_keyboard_t *report)
+{
+ // TODO: handle NKRO report
+ /* Select the Keyboard Report Endpoint */
+ Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);
+
+ /* Check if Keyboard Endpoint Ready for Read/Write */
+ if (Endpoint_IsReadWriteAllowed())
+ {
+ /* Write Keyboard Report Data */
+ Endpoint_Write_Stream_LE(report, sizeof(report_keyboard_t), NULL);
+
+ /* Finalize the stream transfer to send the last packet */
+ Endpoint_ClearIN();
+ }
+ keyboard_report_sent = *report;
+}
+
+static void send_mouse(report_mouse_t *report)
+{
+ /* Select the Mouse Report Endpoint */
+ Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);
+
+ /* Check if Mouse Endpoint Ready for Read/Write */
+ if (Endpoint_IsReadWriteAllowed())
+ {
+ /* Write Mouse Report Data */
+ Endpoint_Write_Stream_LE(report, sizeof(report_mouse_t), NULL);
+
+ /* Finalize the stream transfer to send the last packet */
+ Endpoint_ClearIN();
+ }
+ mouse_report_sent = *report;
+}
+
+static void send_system(uint16_t data)
+{
+}
+
+static void send_consumer(uint16_t data)
+{
+}