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/*
* spreadspace avr utils
*
*
* Copyright (C) 2013 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of spreadspace avr utils.
*
* spreadspace avr utils is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* spreadspace avr utils is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
*/
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <stdio.h>
#include "util.h"
#include "led.h"
/*
LUFA Library
Copyright (C) Dean Camera, 2012.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
#include <LUFA/Drivers/USB/USB.h>
#include "LUFA/Drivers/Peripheral/Serial.h"
#include <LUFA/Drivers/Misc/RingBuffer.h>
#include "lufa-descriptor-keyboardmouse.h"
static uint8_t PrevKeyboardHIDReportBuffer[sizeof(USB_KeyboardReport_Data_t)];
static uint8_t PrevMouseHIDReportBuffer[sizeof(USB_MouseReport_Data_t)];
USB_ClassInfo_HID_Device_t Keyboard_HID_Interface =
{
.Config =
{
.InterfaceNumber = 0,
.ReportINEndpointNumber = KEYBOARD_IN_EPNUM,
.ReportINEndpointSize = HID_EPSIZE,
.ReportINEndpointDoubleBank = false,
.PrevReportINBuffer = PrevKeyboardHIDReportBuffer,
.PrevReportINBufferSize = sizeof(PrevKeyboardHIDReportBuffer),
},
};
USB_ClassInfo_HID_Device_t Mouse_HID_Interface =
{
.Config =
{
.InterfaceNumber = 1,
.ReportINEndpointNumber = MOUSE_IN_EPNUM,
.ReportINEndpointSize = HID_EPSIZE,
.PrevReportINBuffer = PrevMouseHIDReportBuffer,
.PrevReportINBufferSize = sizeof(PrevMouseHIDReportBuffer),
},
};
void EVENT_USB_Device_ConfigurationChanged(void)
{
HID_Device_ConfigureEndpoints(&Keyboard_HID_Interface);
HID_Device_ConfigureEndpoints(&Mouse_HID_Interface);
USB_Device_EnableSOFEvents();
}
/** Event handler for the library USB Control Request reception event. */
void EVENT_USB_Device_ControlRequest(void)
{
HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);
HID_Device_ProcessControlRequest(&Mouse_HID_Interface);
}
/** Event handler for the USB device Start Of Frame event. */
void EVENT_USB_Device_StartOfFrame(void)
{
HID_Device_MillisecondElapsed(&Keyboard_HID_Interface);
HID_Device_MillisecondElapsed(&Mouse_HID_Interface);
}
/* end LUFA CDC-ACM specific definitions*/
FILE serial_stream;
static RingBuffer_t keyboard_buffer;
static uint8_t keyboard_buffer_data[16];
static RingBuffer_t mouse_buffer;
static uint8_t mouse_buffer_data[16];
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)
{
if (HIDInterfaceInfo == &Keyboard_HID_Interface) {
USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
if(!RingBuffer_IsEmpty(&keyboard_buffer)) {
uint8_t received_byte = RingBuffer_Remove(&keyboard_buffer);
switch(received_byte) {
case '1': KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_1_AND_EXCLAMATION; break;
case '2': KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_2_AND_AT; break;
case '3': KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_3_AND_HASHMARK; break;
case '4': KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_4_AND_DOLLAR; break;
case 'c': KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_CAPS_LOCK; break;
default: return 0; // no key has been pressed - just return
}
}
// KeyboardReport->Modifier = HID_KEYBOARD_MODIFIER_LEFTSHIFT;
*ReportSize = sizeof(USB_KeyboardReport_Data_t);
return false;
}
else
{
USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;
MouseReport->Y = 0;
MouseReport->X = 0;
if(!RingBuffer_IsEmpty(&mouse_buffer)) {
uint8_t received_byte = RingBuffer_Remove(&mouse_buffer);
switch(received_byte) {
case 'w': MouseReport->Y = -1; break; // UP
case 's': MouseReport->Y = 1; break; // DOWN
case 'a': MouseReport->X = -1; break; // LEFT
case 'd': MouseReport->X = 1; break; // RIGHT
case 'q': MouseReport->Button |= (1 << 0); break; // Button 1
case 'e': MouseReport->Button |= (1 << 1); break; // Button 2
}
}
*ReportSize = sizeof(USB_MouseReport_Data_t);
return true;
}
}
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)
{
if (HIDInterfaceInfo == &Keyboard_HID_Interface)
{
uint8_t* LEDReport = (uint8_t*)ReportData;
/* if (*LEDReport & HID_KEYBOARD_LED_NUMLOCK) */
/* // do something */
if (*LEDReport & HID_KEYBOARD_LED_CAPSLOCK)
led_on();
else
led_off();
/* if (*LEDReport & HID_KEYBOARD_LED_SCROLLLOCK) */
/* // do something */
}
}
int main(void)
{
MCUSR &= ~(1 << WDRF);
wdt_disable();
cpu_init();
led_init();
USB_Init();
Serial_Init(115200, false);
Serial_CreateStream(&serial_stream);
stdin = stdout = stderr = &serial_stream;
RingBuffer_InitBuffer(&keyboard_buffer, keyboard_buffer_data, sizeof(keyboard_buffer_data));
RingBuffer_InitBuffer(&mouse_buffer, mouse_buffer_data, sizeof(mouse_buffer_data));
sei();
for(;;) {
if(Serial_IsCharReceived()) {
int received_byte = fgetc(stdin);
switch(received_byte) {
case '1':
case '2':
case '3':
case '4':
case 'c':
RingBuffer_Insert(&keyboard_buffer, (uint8_t)received_byte); break;
case 'w':
case 's':
case 'a':
case 'd':
case 'q':
case 'e':
RingBuffer_Insert(&mouse_buffer, (uint8_t)received_byte); break;
}
}
HID_Device_USBTask(&Keyboard_HID_Interface);
HID_Device_USBTask(&Mouse_HID_Interface);
USB_USBTask();
}
}
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