Remove old OTG demo directory with useless TestApp demo. Add new DualRole directory with new Class Driver powered Mouse dual role demonstration application showing a dual role device using the HID host/device Class drivers.

2009-09-29 07:13:42 +00:00 · 2009-09-29 07:13:42 +00:00 · fa8d25ef29
commit fa8d25ef29
parent e57e08c672
24 changed files with 737 additions and 511 deletions
--- a/Demos/DualRole/ClassDriver/MouseHostDevice/DeviceFunctions.c
+++ b/Demos/DualRole/ClassDriver/MouseHostDevice/DeviceFunctions.c
@ -0,0 +1,144 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2009.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  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
+ *
+ *  Device Mode USB Mouse functionality for the MouseHostDevice demo. This file contains the Device mode
+ *  USB Mouse related code of the demo and is responsible for all the Device mode Mouse functionality.
+ */
+
+#include "DeviceFunctions.h"
+
+/** Buffer to hold the previously generated Mouse Device HID report, for comparison purposes inside the HID class driver. */
+uint8_t PrevMouseHIDReportBuffer[sizeof(USB_MouseReport_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 Mouse_HID_Device_Interface =
+	{
+		.Config =
+			{
+				.InterfaceNumber         = 0,
+
+				.ReportINEndpointNumber  = MOUSE_EPNUM,
+				.ReportINEndpointSize    = MOUSE_EPSIZE,
+
+				.PrevReportINBuffer      = PrevMouseHIDReportBuffer,
+				.PrevReportINBufferSize  = sizeof(PrevMouseHIDReportBuffer),
+			},
+	};
+	
+
+/** Event handler for the library USB WakeUp event. */
+void EVENT_USB_Device_Connect(void)
+{
+	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the library USB Suspend 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 (!(HID_Device_ConfigureEndpoints(&Mouse_HID_Device_Interface)))
+	  LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+
+	USB_Device_EnableSOFEvents();
+}
+
+/** Event handler for the library USB Unhandled Control Request event. */
+void EVENT_USB_Device_UnhandledControlRequest(void)
+{
+	HID_Device_ProcessControlRequest(&Mouse_HID_Device_Interface);
+}
+
+/** Event handler for the USB device Start Of Frame event. */
+void EVENT_USB_Device_StartOfFrame(void)
+{
+	HID_Device_MillisecondElapsed(&Mouse_HID_Device_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_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;
+		
+	uint8_t JoyStatus_LCL    = Joystick_GetStatus();
+	uint8_t ButtonStatus_LCL = Buttons_GetStatus();
+
+	if (JoyStatus_LCL & JOY_UP)
+	  MouseReport->Y = -1;
+	else if (JoyStatus_LCL & JOY_DOWN)
+	  MouseReport->Y =  1;
+
+	if (JoyStatus_LCL & JOY_RIGHT)
+	  MouseReport->X =  1;
+	else if (JoyStatus_LCL & JOY_LEFT)
+	  MouseReport->X = -1;
+
+	if (JoyStatus_LCL & JOY_PRESS)
+	  MouseReport->Button  = (1 << 0);
+	  
+	if (ButtonStatus_LCL & BUTTONS_BUTTON1)
+	  MouseReport->Button |= (1 << 1);
+	
+	*ReportSize = sizeof(USB_MouseReport_Data_t);
+	return true;
+}
+
+/** 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)
+{
+	// Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports
+}