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.
452 lines
13 KiB
452 lines
13 KiB
/*
|
|
* Copyright 2012 Jun Wako <wakojun@gmail.com>
|
|
* This file is based on:
|
|
* LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse
|
|
* LUFA-120219/Demos/Device/Lowlevel/GenericHID
|
|
*/
|
|
|
|
/*
|
|
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.
|
|
*/
|
|
|
|
#include "report.h"
|
|
#include "host.h"
|
|
#include "host_driver.h"
|
|
#include "keyboard.h"
|
|
#include "sendchar.h"
|
|
#include "debug.h"
|
|
|
|
#include "descriptor.h"
|
|
#include "lufa.h"
|
|
|
|
static uint8_t idle_duration = 0;
|
|
static uint8_t protocol_report = 1;
|
|
static uint8_t keyboard_led_stats = 0;
|
|
|
|
static report_keyboard_t keyboard_report_sent;
|
|
|
|
|
|
/* Host driver */
|
|
static uint8_t keyboard_leds(void);
|
|
static void send_keyboard(report_keyboard_t *report);
|
|
static void send_mouse(report_mouse_t *report);
|
|
static void send_system(uint16_t data);
|
|
static void send_consumer(uint16_t data);
|
|
static host_driver_t lufa_driver = {
|
|
keyboard_leds,
|
|
send_keyboard,
|
|
send_mouse,
|
|
send_system,
|
|
send_consumer
|
|
};
|
|
|
|
|
|
static void SetupHardware(void);
|
|
static void Console_Task(void);
|
|
|
|
int main(void)
|
|
{
|
|
SetupHardware();
|
|
sei();
|
|
|
|
print_enable = true;
|
|
debug_enable = true;
|
|
debug_matrix = true;
|
|
debug_keyboard = true;
|
|
debug_mouse = true;
|
|
|
|
// TODO: can't print here
|
|
debug("LUFA init\n");
|
|
|
|
keyboard_init();
|
|
host_set_driver(&lufa_driver);
|
|
while (1) {
|
|
keyboard_proc();
|
|
|
|
#if !defined(INTERRUPT_CONTROL_ENDPOINT)
|
|
USB_USBTask();
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void SetupHardware(void)
|
|
{
|
|
/* Disable watchdog if enabled by bootloader/fuses */
|
|
MCUSR &= ~(1 << WDRF);
|
|
wdt_disable();
|
|
|
|
/* Disable clock division */
|
|
clock_prescale_set(clock_div_1);
|
|
|
|
USB_Init();
|
|
|
|
// for Console_Task
|
|
USB_Device_EnableSOFEvents();
|
|
}
|
|
|
|
#ifdef CONSOLE_ENABLE
|
|
static void Console_Task(void)
|
|
{
|
|
/* Device must be connected and configured for the task to run */
|
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
|
return;
|
|
|
|
uint8_t ep = Endpoint_GetCurrentEndpoint();
|
|
|
|
#if 0
|
|
// TODO: impl receivechar()/recvchar()
|
|
Endpoint_SelectEndpoint(CONSOLE_OUT_EPNUM);
|
|
|
|
/* Check to see if a packet has been sent from the host */
|
|
if (Endpoint_IsOUTReceived())
|
|
{
|
|
/* Check to see if the packet contains data */
|
|
if (Endpoint_IsReadWriteAllowed())
|
|
{
|
|
/* Create a temporary buffer to hold the read in report from the host */
|
|
uint8_t ConsoleData[CONSOLE_EPSIZE];
|
|
|
|
/* Read Console Report Data */
|
|
Endpoint_Read_Stream_LE(&ConsoleData, sizeof(ConsoleData), NULL);
|
|
|
|
/* Process Console Report Data */
|
|
//ProcessConsoleHIDReport(ConsoleData);
|
|
}
|
|
|
|
/* Finalize the stream transfer to send the last packet */
|
|
Endpoint_ClearOUT();
|
|
}
|
|
#endif
|
|
|
|
/* IN packet */
|
|
Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
|
|
|
|
// fill empty bank
|
|
while (Endpoint_IsReadWriteAllowed())
|
|
Endpoint_Write_8(0);
|
|
|
|
// flash senchar packet
|
|
if (Endpoint_IsINReady()) {
|
|
Endpoint_ClearIN();
|
|
}
|
|
|
|
Endpoint_SelectEndpoint(ep);
|
|
}
|
|
#else
|
|
static void Console_Task(void)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
|
|
/*******************************************************************************
|
|
* USB Events
|
|
******************************************************************************/
|
|
/** Event handler for the USB_Connect event. */
|
|
void EVENT_USB_Device_Connect(void)
|
|
{
|
|
}
|
|
|
|
/** Event handler for the USB_Disconnect event. */
|
|
void EVENT_USB_Device_Disconnect(void)
|
|
{
|
|
}
|
|
|
|
void EVENT_USB_Device_StartOfFrame(void)
|
|
{
|
|
Console_Task();
|
|
}
|
|
|
|
/** Event handler for the USB_ConfigurationChanged event.
|
|
* This is fired when the host sets the current configuration of the USB device after enumeration.
|
|
*/
|
|
void EVENT_USB_Device_ConfigurationChanged(void)
|
|
{
|
|
bool ConfigSuccess = true;
|
|
|
|
/* Setup Keyboard HID Report Endpoints */
|
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
|
|
KEYBOARD_EPSIZE, ENDPOINT_BANK_SINGLE);
|
|
|
|
#ifdef MOUSE_ENABLE
|
|
/* Setup Mouse HID Report Endpoint */
|
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
|
|
MOUSE_EPSIZE, ENDPOINT_BANK_SINGLE);
|
|
#endif
|
|
|
|
#ifdef EXTRAKEY_ENABLE
|
|
/* Setup Extra HID Report Endpoint */
|
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(EXTRAKEY_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
|
|
EXTRAKEY_EPSIZE, ENDPOINT_BANK_SINGLE);
|
|
#endif
|
|
|
|
#ifdef CONSOLE_ENABLE
|
|
/* Setup Console HID Report Endpoints */
|
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(CONSOLE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
|
|
CONSOLE_EPSIZE, ENDPOINT_BANK_DOUBLE);
|
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(CONSOLE_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
|
|
CONSOLE_EPSIZE, ENDPOINT_BANK_SINGLE);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
Appendix G: HID Request Support Requirements
|
|
|
|
The following table enumerates the requests that need to be supported by various types of HID class devices.
|
|
|
|
Device type GetReport SetReport GetIdle SetIdle GetProtocol SetProtocol
|
|
------------------------------------------------------------------------------------------
|
|
Boot Mouse Required Optional Optional Optional Required Required
|
|
Non-Boot Mouse Required Optional Optional Optional Optional Optional
|
|
Boot Keyboard Required Optional Required Required Required Required
|
|
Non-Boot Keybrd Required Optional Required Required Optional Optional
|
|
Other Device Required Optional Optional Optional Optional Optional
|
|
*/
|
|
/** Event handler for the USB_ControlRequest event.
|
|
* This is fired before passing along unhandled control requests to the library for processing internally.
|
|
*/
|
|
void EVENT_USB_Device_ControlRequest(void)
|
|
{
|
|
uint8_t* ReportData = NULL;
|
|
uint8_t ReportSize = 0;
|
|
|
|
/* 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();
|
|
|
|
// Interface
|
|
switch (USB_ControlRequest.wIndex) {
|
|
case KEYBOARD_INTERFACE:
|
|
// TODO: test/check
|
|
ReportData = (uint8_t*)&keyboard_report_sent;
|
|
ReportSize = sizeof(keyboard_report_sent);
|
|
break;
|
|
}
|
|
|
|
/* Write the report data to the control endpoint */
|
|
Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);
|
|
Endpoint_ClearOUT();
|
|
}
|
|
|
|
break;
|
|
case HID_REQ_SetReport:
|
|
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
|
|
{
|
|
|
|
// Interface
|
|
switch (USB_ControlRequest.wIndex) {
|
|
case KEYBOARD_INTERFACE:
|
|
Endpoint_ClearSETUP();
|
|
|
|
while (!(Endpoint_IsOUTReceived())) {
|
|
if (USB_DeviceState == DEVICE_STATE_Unattached)
|
|
return;
|
|
}
|
|
keyboard_led_stats = Endpoint_Read_8();
|
|
|
|
Endpoint_ClearOUT();
|
|
Endpoint_ClearStatusStage();
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case HID_REQ_GetProtocol:
|
|
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
|
|
{
|
|
Endpoint_ClearSETUP();
|
|
while (!(Endpoint_IsINReady()));
|
|
Endpoint_Write_8(protocol_report);
|
|
Endpoint_ClearIN();
|
|
Endpoint_ClearStatusStage();
|
|
}
|
|
|
|
break;
|
|
case HID_REQ_SetProtocol:
|
|
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
|
|
{
|
|
Endpoint_ClearSETUP();
|
|
Endpoint_ClearStatusStage();
|
|
|
|
protocol_report = ((USB_ControlRequest.wValue & 0xFF) != 0x00);
|
|
}
|
|
|
|
break;
|
|
case HID_REQ_SetIdle:
|
|
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
|
|
{
|
|
Endpoint_ClearSETUP();
|
|
Endpoint_ClearStatusStage();
|
|
|
|
idle_duration = ((USB_ControlRequest.wValue & 0xFF00) >> 8);
|
|
}
|
|
|
|
break;
|
|
case HID_REQ_GetIdle:
|
|
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
|
|
{
|
|
Endpoint_ClearSETUP();
|
|
while (!(Endpoint_IsINReady()));
|
|
Endpoint_Write_8(idle_duration);
|
|
Endpoint_ClearIN();
|
|
Endpoint_ClearStatusStage();
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
* Host driver
|
|
******************************************************************************/
|
|
static uint8_t keyboard_leds(void)
|
|
{
|
|
return keyboard_led_stats;
|
|
}
|
|
|
|
static void send_keyboard(report_keyboard_t *report)
|
|
{
|
|
// TODO: handle NKRO report
|
|
/* Select the Keyboard Report Endpoint */
|
|
Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);
|
|
|
|
/* Check if Keyboard Endpoint Ready for Read/Write */
|
|
if (Endpoint_IsReadWriteAllowed())
|
|
{
|
|
/* Write Keyboard Report Data */
|
|
Endpoint_Write_Stream_LE(report, sizeof(report_keyboard_t), NULL);
|
|
|
|
/* Finalize the stream transfer to send the last packet */
|
|
Endpoint_ClearIN();
|
|
}
|
|
keyboard_report_sent = *report;
|
|
}
|
|
|
|
static void send_mouse(report_mouse_t *report)
|
|
{
|
|
#ifdef MOUSE_ENABLE
|
|
/* Select the Mouse Report Endpoint */
|
|
Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);
|
|
|
|
/* Check if Mouse Endpoint Ready for Read/Write */
|
|
if (Endpoint_IsReadWriteAllowed())
|
|
{
|
|
/* Write Mouse Report Data */
|
|
Endpoint_Write_Stream_LE(report, sizeof(report_mouse_t), NULL);
|
|
|
|
/* Finalize the stream transfer to send the last packet */
|
|
Endpoint_ClearIN();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void send_system(uint16_t data)
|
|
{
|
|
report_extra_t r = {
|
|
.report_id = REPORT_ID_SYSTEM,
|
|
.usage = data
|
|
};
|
|
Endpoint_SelectEndpoint(EXTRAKEY_IN_EPNUM);
|
|
if (Endpoint_IsReadWriteAllowed()) {
|
|
Endpoint_Write_Stream_LE(&r, sizeof(report_extra_t), NULL);
|
|
Endpoint_ClearIN();
|
|
}
|
|
}
|
|
|
|
static void send_consumer(uint16_t data)
|
|
{
|
|
report_extra_t r = {
|
|
.report_id = REPORT_ID_CONSUMER,
|
|
.usage = data
|
|
};
|
|
Endpoint_SelectEndpoint(EXTRAKEY_IN_EPNUM);
|
|
if (Endpoint_IsReadWriteAllowed()) {
|
|
Endpoint_Write_Stream_LE(&r, sizeof(report_extra_t), NULL);
|
|
Endpoint_ClearIN();
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
* sendchar
|
|
******************************************************************************/
|
|
#ifdef CONSOLE_ENABLE
|
|
#define SEND_TIMEOUT 5
|
|
int8_t sendchar(uint8_t c)
|
|
{
|
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
|
return -1;
|
|
|
|
uint8_t ep = Endpoint_GetCurrentEndpoint();
|
|
Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
|
|
|
|
uint8_t timeout = SEND_TIMEOUT;
|
|
uint16_t prevFN = USB_Device_GetFrameNumber();
|
|
while (!Endpoint_IsReadWriteAllowed()) {
|
|
switch (USB_DeviceState) {
|
|
case DEVICE_STATE_Unattached:
|
|
case DEVICE_STATE_Suspended:
|
|
return -1;
|
|
}
|
|
if (Endpoint_IsStalled()) {
|
|
Endpoint_SelectEndpoint(ep);
|
|
return -1;
|
|
}
|
|
if (prevFN != USB_Device_GetFrameNumber()) {
|
|
if (!(timeout--)) {
|
|
Endpoint_SelectEndpoint(ep);
|
|
return -1;
|
|
}
|
|
prevFN = USB_Device_GetFrameNumber();
|
|
}
|
|
}
|
|
|
|
Endpoint_Write_8(c);
|
|
|
|
// send when bank is full
|
|
if (!Endpoint_IsReadWriteAllowed())
|
|
Endpoint_ClearIN();
|
|
|
|
Endpoint_SelectEndpoint(ep);
|
|
return 0;
|
|
}
|
|
#else
|
|
int8_t sendchar(uint8_t c)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|