1 files changed, 184 insertions, 0 deletions

diff --git a/lib/lufa/Projects/MediaController/MediaController.c b/lib/lufa/Projects/MediaController/MediaController.c
new file mode 100644
index 000000000..5b3121a50
--- /dev/null
+++ b/lib/lufa/Projects/MediaController/MediaController.c
@@ -0,0 +1,184 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [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 disclaims 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 MediaControl project. This file contains the main tasks of
+ *  the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "MediaController.h"
+
+/** Buffer to hold the previously generated Media Control HID report, for comparison purposes inside the HID class driver. */
+static uint8_t PrevMediaControlHIDReportBuffer[sizeof(USB_MediaReport_Data_t)];
+
+/** 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 MediaControl_HID_Interface =
+        {
+                .Config =
+                        {
+                                .InterfaceNumber              = INTERFACE_ID_HID,
+                                .ReportINEndpoint             =
+                                        {
+                                                .Address              = MEDIACONTROL_HID_EPADDR,
+                                                .Size                 = MEDIACONTROL_HID_EPSIZE,
+                                                .Banks                = 1,
+                                        },
+                                .PrevReportINBuffer           = PrevMediaControlHIDReportBuffer,
+                                .PrevReportINBufferSize       = sizeof(PrevMediaControlHIDReportBuffer),
+                        },
+    };
+
+
+/** 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);
+        GlobalInterruptEnable();
+
+        for (;;)
+        {
+                HID_Device_USBTask(&MediaControl_HID_Interface);
+                USB_USBTask();
+        }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware()
+{
+#if (ARCH == ARCH_AVR8)
+        /* Disable watchdog if enabled by bootloader/fuses */
+        MCUSR &= ~(1 << WDRF);
+        wdt_disable();
+
+        /* Disable clock division */
+        clock_prescale_set(clock_div_1);
+#endif
+
+        /* Hardware Initialization */
+        Joystick_Init();
+        LEDs_Init();
+        Buttons_Init();
+        USB_Init();
+}
+
+/** 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)
+{
+        bool ConfigSuccess = true;
+
+        ConfigSuccess &= HID_Device_ConfigureEndpoints(&MediaControl_HID_Interface);
+
+        USB_Device_EnableSOFEvents();
+
+        LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
+}
+
+/** Event handler for the library USB Control Request reception event. */
+void EVENT_USB_Device_ControlRequest(void)
+{
+        HID_Device_ProcessControlRequest(&MediaControl_HID_Interface);
+}
+
+/** Event handler for the USB device Start Of Frame event. */
+void EVENT_USB_Device_StartOfFrame(void)
+{
+        HID_Device_MillisecondElapsed(&MediaControl_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[in]     ReportType  Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
+ *  \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 \c true to force the sending of the report, \c 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,
+                                         const uint8_t ReportType,
+                                         void* ReportData,
+                                         uint16_t* const ReportSize)
+{
+        USB_MediaReport_Data_t* MediaReport = (USB_MediaReport_Data_t*)ReportData;
+
+        uint8_t JoyStatus_LCL    = Joystick_GetStatus();
+        uint8_t ButtonStatus_LCL = Buttons_GetStatus();
+
+        /* Update the Media Control report with the user button presses */
+        MediaReport->Mute          = ((ButtonStatus_LCL & BUTTONS_BUTTON1) ? true : false);
+        MediaReport->PlayPause     = ((JoyStatus_LCL & JOY_PRESS) ? true : false);
+        MediaReport->VolumeUp      = ((JoyStatus_LCL & JOY_UP)    ? true : false);
+        MediaReport->VolumeDown    = ((JoyStatus_LCL & JOY_DOWN)  ? true : false);
+        MediaReport->PreviousTrack = ((JoyStatus_LCL & JOY_LEFT)  ? true : false);
+        MediaReport->NextTrack     = ((JoyStatus_LCL & JOY_RIGHT) ? true : false);
+
+        *ReportSize = sizeof(USB_MediaReport_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] ReportType  The type of report that the host has sent, either HID_REPORT_ITEM_Out or HID_REPORT_ITEM_Feature
+ *  \param[in] ReportData  Pointer to a buffer where the received 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 uint8_t ReportType,
+                                          const void* ReportData,
+                                          const uint16_t ReportSize)
+{
+        // Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports
+}
+