You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
310 lines
9.6 KiB
310 lines
9.6 KiB
/*
|
|
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.
|
|
*/
|
|
|
|
/** \file
|
|
*
|
|
* Main source file for the KeyboardMouse demo. This file contains the main tasks of the demo and
|
|
* is responsible for the initial application hardware configuration.
|
|
*/
|
|
|
|
#include "KeyboardMouse.h"
|
|
|
|
/** Global structure to hold the current keyboard interface HID report, for transmission to the host */
|
|
static USB_KeyboardReport_Data_t KeyboardReportData;
|
|
|
|
/** Global structure to hold the current mouse interface HID report, for transmission to the host */
|
|
static USB_MouseReport_Data_t MouseReportData;
|
|
|
|
|
|
/** Main program entry point. This routine configures the hardware required by the application, then
|
|
* enters a loop to run the application tasks in sequence.
|
|
*/
|
|
int main(void)
|
|
{
|
|
SetupHardware();
|
|
|
|
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
|
|
sei();
|
|
|
|
for (;;)
|
|
{
|
|
Keyboard_HID_Task();
|
|
Mouse_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);
|
|
|
|
/* Hardware Initialization */
|
|
Joystick_Init();
|
|
LEDs_Init();
|
|
USB_Init();
|
|
}
|
|
|
|
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
|
|
* starts the library USB task to begin the enumeration and USB management process.
|
|
*/
|
|
void EVENT_USB_Device_Connect(void)
|
|
{
|
|
/* Indicate USB enumerating */
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
|
|
}
|
|
|
|
/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
|
|
* the status LEDs and stops the USB management task.
|
|
*/
|
|
void EVENT_USB_Device_Disconnect(void)
|
|
{
|
|
/* Indicate USB not ready */
|
|
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
|
|
}
|
|
|
|
/** Event handler for the USB_ConfigurationChanged event. This is fired when the host sets the current configuration
|
|
* of the USB device after enumeration, and configures the keyboard and mouse device endpoints.
|
|
*/
|
|
void EVENT_USB_Device_ConfigurationChanged(void)
|
|
{
|
|
bool ConfigSuccess = true;
|
|
|
|
/* Setup Keyboard HID Report Endpoints */
|
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPADDR, EP_TYPE_INTERRUPT, HID_EPSIZE, 1);
|
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_OUT_EPADDR, EP_TYPE_INTERRUPT, HID_EPSIZE, 1);
|
|
|
|
/* Setup Mouse HID Report Endpoint */
|
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(MOUSE_IN_EPADDR, EP_TYPE_INTERRUPT, HID_EPSIZE, 1);
|
|
|
|
/* Indicate endpoint configuration success or failure */
|
|
LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
|
|
}
|
|
|
|
/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
|
|
* the device from the USB host 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*)&KeyboardReportData;
|
|
ReportSize = sizeof(KeyboardReportData);
|
|
}
|
|
else
|
|
{
|
|
ReportData = (uint8_t*)&MouseReportData;
|
|
ReportSize = sizeof(MouseReportData);
|
|
}
|
|
|
|
/* Write the report data to the control endpoint */
|
|
Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);
|
|
Endpoint_ClearOUT();
|
|
|
|
/* Clear the report data afterwards */
|
|
memset(ReportData, 0, ReportSize);
|
|
}
|
|
|
|
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 */
|
|
uint8_t LEDStatus = Endpoint_Read_8();
|
|
|
|
Endpoint_ClearOUT();
|
|
Endpoint_ClearStatusStage();
|
|
|
|
/* Process the incoming LED report */
|
|
Keyboard_ProcessLEDReport(LEDStatus);
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
/** Processes a given Keyboard LED report from the host, and sets the board LEDs to match. Since the Keyboard
|
|
* LED report can be sent through either the control endpoint (via a HID SetReport request) or the HID OUT
|
|
* endpoint, the processing code is placed here to avoid duplicating it and potentially having different
|
|
* behaviour depending on the method used to sent it.
|
|
*/
|
|
void Keyboard_ProcessLEDReport(const uint8_t LEDStatus)
|
|
{
|
|
uint8_t LEDMask = LEDS_LED2;
|
|
|
|
if (LEDStatus & HID_KEYBOARD_LED_NUMLOCK)
|
|
LEDMask |= LEDS_LED1;
|
|
|
|
if (LEDStatus & HID_KEYBOARD_LED_CAPSLOCK)
|
|
LEDMask |= LEDS_LED3;
|
|
|
|
if (LEDStatus & HID_KEYBOARD_LED_SCROLLLOCK)
|
|
LEDMask |= LEDS_LED4;
|
|
|
|
/* Set the status LEDs to the current Keyboard LED status */
|
|
LEDs_SetAllLEDs(LEDMask);
|
|
}
|
|
|
|
/** Keyboard task. This generates the next keyboard HID report for the host, and transmits it via the
|
|
* keyboard IN endpoint when the host is ready for more data. Additionally, it processes host LED status
|
|
* reports sent to the device via the keyboard OUT reporting endpoint.
|
|
*/
|
|
void Keyboard_HID_Task(void)
|
|
{
|
|
uint8_t JoyStatus_LCL = Joystick_GetStatus();
|
|
|
|
/* Device must be connected and configured for the task to run */
|
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
|
return;
|
|
|
|
/* Check if board button is not pressed, if so mouse mode enabled */
|
|
if (!(Buttons_GetStatus() & BUTTONS_BUTTON1))
|
|
{
|
|
/* Make sent key uppercase by indicating that the left shift key is pressed */
|
|
KeyboardReportData.Modifier = HID_KEYBOARD_MODIFIER_LEFTSHIFT;
|
|
|
|
if (JoyStatus_LCL & JOY_UP)
|
|
KeyboardReportData.KeyCode[0] = HID_KEYBOARD_SC_A;
|
|
else if (JoyStatus_LCL & JOY_DOWN)
|
|
KeyboardReportData.KeyCode[0] = HID_KEYBOARD_SC_B;
|
|
|
|
if (JoyStatus_LCL & JOY_LEFT)
|
|
KeyboardReportData.KeyCode[0] = HID_KEYBOARD_SC_C;
|
|
else if (JoyStatus_LCL & JOY_RIGHT)
|
|
KeyboardReportData.KeyCode[0] = HID_KEYBOARD_SC_D;
|
|
|
|
if (JoyStatus_LCL & JOY_PRESS)
|
|
KeyboardReportData.KeyCode[0] = HID_KEYBOARD_SC_E;
|
|
}
|
|
|
|
/* Select the Keyboard Report Endpoint */
|
|
Endpoint_SelectEndpoint(KEYBOARD_IN_EPADDR);
|
|
|
|
/* Check if Keyboard Endpoint Ready for Read/Write */
|
|
if (Endpoint_IsReadWriteAllowed())
|
|
{
|
|
/* Write Keyboard Report Data */
|
|
Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData), NULL);
|
|
|
|
/* Finalize the stream transfer to send the last packet */
|
|
Endpoint_ClearIN();
|
|
|
|
/* Clear the report data afterwards */
|
|
memset(&KeyboardReportData, 0, sizeof(KeyboardReportData));
|
|
}
|
|
|
|
/* Select the Keyboard LED Report Endpoint */
|
|
Endpoint_SelectEndpoint(KEYBOARD_OUT_EPADDR);
|
|
|
|
/* Check if Keyboard LED Endpoint Ready for Read/Write */
|
|
if (Endpoint_IsReadWriteAllowed())
|
|
{
|
|
/* Read in and process the LED report from the host */
|
|
Keyboard_ProcessLEDReport(Endpoint_Read_8());
|
|
|
|
/* Handshake the OUT Endpoint - clear endpoint and ready for next report */
|
|
Endpoint_ClearOUT();
|
|
}
|
|
}
|
|
|
|
/** Mouse task. This generates the next mouse HID report for the host, and transmits it via the
|
|
* mouse IN endpoint when the host is ready for more data.
|
|
*/
|
|
void Mouse_HID_Task(void)
|
|
{
|
|
uint8_t JoyStatus_LCL = Joystick_GetStatus();
|
|
|
|
/* Device must be connected and configured for the task to run */
|
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
|
return;
|
|
|
|
/* Check if board button is pressed, if so mouse mode enabled */
|
|
if (Buttons_GetStatus() & BUTTONS_BUTTON1)
|
|
{
|
|
if (JoyStatus_LCL & JOY_UP)
|
|
MouseReportData.Y = 1;
|
|
else if (JoyStatus_LCL & JOY_DOWN)
|
|
MouseReportData.Y = -1;
|
|
|
|
if (JoyStatus_LCL & JOY_RIGHT)
|
|
MouseReportData.X = 1;
|
|
else if (JoyStatus_LCL & JOY_LEFT)
|
|
MouseReportData.X = -1;
|
|
|
|
if (JoyStatus_LCL & JOY_PRESS)
|
|
MouseReportData.Button |= (1 << 0);
|
|
}
|
|
|
|
/* Select the Mouse Report Endpoint */
|
|
Endpoint_SelectEndpoint(MOUSE_IN_EPADDR);
|
|
|
|
/* Check if Mouse Endpoint Ready for Read/Write */
|
|
if (Endpoint_IsReadWriteAllowed())
|
|
{
|
|
/* Write Mouse Report Data */
|
|
Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData), NULL);
|
|
|
|
/* Finalize the stream transfer to send the last packet */
|
|
Endpoint_ClearIN();
|
|
|
|
/* Clear the report data afterwards */
|
|
memset(&MouseReportData, 0, sizeof(MouseReportData));
|
|
}
|
|
}
|
|
|