/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
* Main source file for the Mouse demo. This file contains the main tasks of the demo and
* is responsible for the initial application hardware configuration.
*/
-
+
#include "Mouse.h"
/** Indicates what report mode the host has requested, true for normal HID reporting mode, false for special boot
uint16_t IdleCount = HID_IDLE_CHANGESONLY;
/** Current Idle period remaining. When the IdleCount value is set, this tracks the remaining number of idle
- * milliseconds. This is separate to the IdleCount timer and is incremented and compared as the host may request
+ * milliseconds. This is separate to the IdleCount timer and is incremented and compared as the host may request
* the current idle period via a Get Idle HID class request, thus its value must be preserved.
*/
uint16_t IdleMSRemaining = 0;
int main(void)
{
SetupHardware();
-
+
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
sei();
/** Event handler for the USB_ConfigurationChanged event. This is fired when the host sets the current configuration
* of the USB device after enumeration - the device endpoints are configured and the mouse reporting task started.
- */
+ */
void EVENT_USB_Device_ConfigurationChanged(void)
{
bool ConfigSuccess = true;
USB_Device_EnableSOFEvents();
/* Indicate endpoint configuration success or failure */
- LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
+ LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
}
/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
/* Clear the report data afterwards */
memset(&MouseReportData, 0, sizeof(MouseReportData));
}
-
+
break;
case REQ_GetProtocol:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
-
+
/* Write the current protocol flag to the host */
Endpoint_Write_Byte(UsingReportProtocol);
-
+
Endpoint_ClearIN();
Endpoint_ClearStatusStage();
}
-
+
break;
case REQ_SetProtocol:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
/* Set or clear the flag depending on what the host indicates that the current Protocol should be */
UsingReportProtocol = (USB_ControlRequest.wValue != 0);
}
-
+
break;
case REQ_SetIdle:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
/* Get idle period in MSB, must multiply by 4 to get the duration in milliseconds */
IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6);
}
-
+
break;
case REQ_GetIdle:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
- {
+ {
Endpoint_ClearSETUP();
-
+
/* Write the current idle duration to the host, must be divided by 4 before sent to host */
Endpoint_Write_Byte(IdleCount >> 2);
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
-
+
/* Clear the report contents */
memset(ReportData, 0, sizeof(USB_MouseReport_Data_t));
if (JoyStatus_LCL & JOY_PRESS)
ReportData->Button = (1 << 0);
-
+
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
ReportData->Button |= (1 << 1);
}
static USB_MouseReport_Data_t PrevMouseReportData;
USB_MouseReport_Data_t MouseReportData;
bool SendReport;
-
+
/* Create the next mouse report for transmission to the host */
CreateMouseReport(&MouseReportData);
-
+
/* Check to see if the report data has changed - if so a report MUST be sent */
SendReport = (memcmp(&PrevMouseReportData, &MouseReportData, sizeof(USB_MouseReport_Data_t)) != 0);
-
+
/* Override the check if the Y or X values are non-zero - we want continuous movement while the joystick
* is being held down (via continuous reports), otherwise the cursor will only move once per joystick toggle */
if ((MouseReportData.Y != 0) || (MouseReportData.X != 0))
SendReport = true;
-
+
/* Check if the idle period is set and has elapsed */
if ((IdleCount != HID_IDLE_CHANGESONLY) && (!(IdleMSRemaining)))
{
/* Reset the idle time remaining counter */
IdleMSRemaining = IdleCount;
-
+
/* Idle period is set and has elapsed, must send a report to the host */
SendReport = true;
}
-
+
/* Select the Mouse Report Endpoint */
Endpoint_SelectEndpoint(MOUSE_EPNUM);
/* Check if Mouse Endpoint Ready for Read/Write and if we should send a new report */
if (Endpoint_IsReadWriteAllowed() && SendReport)
- {
+ {
/* Save the current report data for later comparison to check for changes */
PrevMouseReportData = MouseReportData;
/* Write Mouse Report Data */
Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));
-
+
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
}
/* Device must be connected and configured for the task to run */
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
-
+
/* Send the next mouse report to the host */
SendNextReport();
}
+
projects / pub / USBasp.git / blobdiff