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qmk_firmware/tmk_core/protocol/lufa/lufa.c
Joel Challis 1f2fe2eab9
Refactor platform logic within print.h (#11863) 
* Remove GCC check from debug

* Remove platform logic from common.mk

* Refactor platform logic within print.h

* restore debug.c format

* headers

* Rename function pointer type

* review comments

* Update tmk_core/common/printf.c

Co-authored-by: Nick Brassel <nick@tzarc.org>

* Format

Co-authored-by: Nick Brassel <nick@tzarc.org>
2021-02-14 01:44:22 +00:00

1130 lines
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/*
* 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 "action.h"
#include "led.h"
#include "sendchar.h"
#include "debug.h"
#ifdef SLEEP_LED_ENABLE
# include "sleep_led.h"
#endif
#include "suspend.h"
#include "usb_descriptor.h"
#include "lufa.h"
#include "quantum.h"
#include <util/atomic.h>
#ifdef NKRO_ENABLE
# include "keycode_config.h"
extern keymap_config_t keymap_config;
#endif
#ifdef AUDIO_ENABLE
# include "audio.h"
#endif
#ifdef BLUETOOTH_ENABLE
# include "outputselect.h"
# ifdef MODULE_ADAFRUIT_BLE
# include "adafruit_ble.h"
# else
# include "../serial.h"
# endif
#endif
#ifdef VIRTSER_ENABLE
# include "virtser.h"
#endif
#ifdef MIDI_ENABLE
# include "qmk_midi.h"
#endif
#ifdef RAW_ENABLE
# include "raw_hid.h"
#endif
#ifdef JOYSTICK_ENABLE
# include "joystick.h"
#endif
// https://cdn.sparkfun.com/datasheets/Wireless/Bluetooth/bluetooth_cr_UG-v1.0r.pdf#G7.663734
static inline uint16_t CONSUMER2RN42(uint16_t usage) {
switch (usage) {
case AC_HOME:
return 0x0001;
case AL_EMAIL:
return 0x0002;
case AC_SEARCH:
return 0x0004;
case AL_KEYBOARD_LAYOUT:
return 0x0008;
case AUDIO_VOL_UP:
return 0x0010;
case AUDIO_VOL_DOWN:
return 0x0020;
case AUDIO_MUTE:
return 0x0040;
case TRANSPORT_PLAY_PAUSE:
return 0x0080;
case TRANSPORT_NEXT_TRACK:
return 0x0100;
case TRANSPORT_PREV_TRACK:
return 0x0200;
case TRANSPORT_STOP:
return 0x0400;
case TRANSPORT_EJECT:
return 0x0800;
case TRANSPORT_FAST_FORWARD:
return 0x1000;
case TRANSPORT_REWIND:
return 0x2000;
case TRANSPORT_STOP_EJECT:
return 0x4000;
case AL_LOCAL_BROWSER:
return 0x8000;
default:
return 0;
}
}
uint8_t keyboard_idle = 0;
/* 0: Boot Protocol, 1: Report Protocol(default) */
uint8_t keyboard_protocol = 1;
static uint8_t keyboard_led_state = 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);
host_driver_t lufa_driver = {
keyboard_leds, send_keyboard, send_mouse, send_system, send_consumer,
};
#ifdef VIRTSER_ENABLE
// clang-format off
USB_ClassInfo_CDC_Device_t cdc_device = {
.Config = {
.ControlInterfaceNumber = CCI_INTERFACE,
.DataINEndpoint = {
.Address = (CDC_IN_EPNUM | ENDPOINT_DIR_IN),
.Size = CDC_EPSIZE,
.Banks = 1
},
.DataOUTEndpoint = {
.Address = (CDC_OUT_EPNUM | ENDPOINT_DIR_OUT),
.Size = CDC_EPSIZE,
.Banks = 1
},
.NotificationEndpoint = {
.Address = (CDC_NOTIFICATION_EPNUM | ENDPOINT_DIR_IN),
.Size = CDC_NOTIFICATION_EPSIZE,
.Banks = 1
}
}
};
// clang-format on
#endif
#ifdef RAW_ENABLE
/** \brief Raw HID Send
*
* FIXME: Needs doc
*/
void raw_hid_send(uint8_t *data, uint8_t length) {
// TODO: implement variable size packet
if (length != RAW_EPSIZE) {
return;
}
if (USB_DeviceState != DEVICE_STATE_Configured) {
return;
}
// TODO: decide if we allow calls to raw_hid_send() in the middle
// of other endpoint usage.
uint8_t ep = Endpoint_GetCurrentEndpoint();
Endpoint_SelectEndpoint(RAW_IN_EPNUM);
// Check to see if the host is ready to accept another packet
if (Endpoint_IsINReady()) {
// Write data
Endpoint_Write_Stream_LE(data, RAW_EPSIZE, NULL);
// Finalize the stream transfer to send the last packet
Endpoint_ClearIN();
}
Endpoint_SelectEndpoint(ep);
}
/** \brief Raw HID Receive
*
* FIXME: Needs doc
*/
__attribute__((weak)) void raw_hid_receive(uint8_t *data, uint8_t length) {
// Users should #include "raw_hid.h" in their own code
// and implement this function there. Leave this as weak linkage
// so users can opt to not handle data coming in.
}
/** \brief Raw HID Task
*
* FIXME: Needs doc
*/
static void raw_hid_task(void) {
// Create a temporary buffer to hold the read in data from the host
uint8_t data[RAW_EPSIZE];
bool data_read = false;
// Device must be connected and configured for the task to run
if (USB_DeviceState != DEVICE_STATE_Configured) return;
Endpoint_SelectEndpoint(RAW_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()) {
/* Read data */
Endpoint_Read_Stream_LE(data, sizeof(data), NULL);
data_read = true;
}
// Finalize the stream transfer to receive the last packet
Endpoint_ClearOUT();
if (data_read) {
raw_hid_receive(data, sizeof(data));
}
}
}
#endif
/*******************************************************************************
* Console
******************************************************************************/
#ifdef CONSOLE_ENABLE
/** \brief Console Task
*
* FIXME: Needs doc
*/
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);
if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
Endpoint_SelectEndpoint(ep);
return;
}
// fill empty bank
while (Endpoint_IsReadWriteAllowed()) Endpoint_Write_8(0);
// flush sendchar packet
if (Endpoint_IsINReady()) {
Endpoint_ClearIN();
}
Endpoint_SelectEndpoint(ep);
}
#endif
/*******************************************************************************
* Joystick
******************************************************************************/
#ifdef JOYSTICK_ENABLE
void send_joystick_packet(joystick_t *joystick) {
uint8_t timeout = 255;
joystick_report_t r = {
# if JOYSTICK_AXES_COUNT > 0
.axes =
{
joystick->axes[0],
# if JOYSTICK_AXES_COUNT >= 2
joystick->axes[1],
# endif
# if JOYSTICK_AXES_COUNT >= 3
joystick->axes[2],
# endif
# if JOYSTICK_AXES_COUNT >= 4
joystick->axes[3],
# endif
# if JOYSTICK_AXES_COUNT >= 5
joystick->axes[4],
# endif
# if JOYSTICK_AXES_COUNT >= 6
joystick->axes[5],
# endif
},
# endif // JOYSTICK_AXES_COUNT>0
# if JOYSTICK_BUTTON_COUNT > 0
.buttons =
{
joystick->buttons[0],
# if JOYSTICK_BUTTON_COUNT > 8
joystick->buttons[1],
# endif
# if JOYSTICK_BUTTON_COUNT > 16
joystick->buttons[2],
# endif
# if JOYSTICK_BUTTON_COUNT > 24
joystick->buttons[3],
# endif
}
# endif // JOYSTICK_BUTTON_COUNT>0
};
/* Select the Joystick Report Endpoint */
Endpoint_SelectEndpoint(JOYSTICK_IN_EPNUM);
/* Check if write ready for a polling interval around 10ms */
while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
if (!Endpoint_IsReadWriteAllowed()) return;
/* Write Joystick Report Data */
Endpoint_Write_Stream_LE(&r, sizeof(joystick_report_t), NULL);
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
}
#endif
/*******************************************************************************
* USB Events
******************************************************************************/
/*
* Event Order of Plug in:
* 0) EVENT_USB_Device_Connect
* 1) EVENT_USB_Device_Suspend
* 2) EVENT_USB_Device_Reset
* 3) EVENT_USB_Device_Wake
*/
/** \brief Event USB Device Connect
*
* FIXME: Needs doc
*/
void EVENT_USB_Device_Connect(void) {
print("[C]");
/* For battery powered device */
if (!USB_IsInitialized) {
USB_Disable();
USB_Init();
USB_Device_EnableSOFEvents();
}
}
/** \brief Event USB Device Connect
*
* FIXME: Needs doc
*/
void EVENT_USB_Device_Disconnect(void) {
print("[D]");
/* For battery powered device */
USB_IsInitialized = false;
/* TODO: This doesn't work. After several plug in/outs can not be enumerated.
if (USB_IsInitialized) {
USB_Disable(); // Disable all interrupts
USB_Controller_Enable();
USB_INT_Enable(USB_INT_VBUSTI);
}
*/
}
/** \brief Event USB Device Connect
*
* FIXME: Needs doc
*/
void EVENT_USB_Device_Reset(void) { print("[R]"); }
/** \brief Event USB Device Connect
*
* FIXME: Needs doc
*/
void EVENT_USB_Device_Suspend() {
print("[S]");
#ifdef SLEEP_LED_ENABLE
sleep_led_enable();
#endif
}
/** \brief Event USB Device Connect
*
* FIXME: Needs doc
*/
void EVENT_USB_Device_WakeUp() {
print("[W]");
#if defined(NO_USB_STARTUP_CHECK)
suspend_wakeup_init();
#endif
#ifdef SLEEP_LED_ENABLE
sleep_led_disable();
// NOTE: converters may not accept this
led_set(host_keyboard_leds());
#endif
}
#ifdef CONSOLE_ENABLE
static bool console_flush = false;
# define CONSOLE_FLUSH_SET(b) \
do { \
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) { console_flush = b; } \
} while (0)
/** \brief Event USB Device Start Of Frame
*
* FIXME: Needs doc
* called every 1ms
*/
void EVENT_USB_Device_StartOfFrame(void) {
static uint8_t count;
if (++count % 50) return;
count = 0;
if (!console_flush) return;
Console_Task();
console_flush = false;
}
#endif
/** \brief Event handler for the USB_ConfigurationChanged event.
*
* This is fired when the host sets the current configuration of the USB device after enumeration.
*
* ATMega32u2 supports dual bank(ping-pong mode) only on endpoint 3 and 4,
* it is safe to use single bank for all endpoints.
*/
void EVENT_USB_Device_ConfigurationChanged(void) {
bool ConfigSuccess = true;
#ifndef KEYBOARD_SHARED_EP
/* Setup keyboard report endpoint */
ConfigSuccess &= Endpoint_ConfigureEndpoint((KEYBOARD_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_INTERRUPT, KEYBOARD_EPSIZE, 1);
#endif
#if defined(MOUSE_ENABLE) && !defined(MOUSE_SHARED_EP)
/* Setup mouse report endpoint */
ConfigSuccess &= Endpoint_ConfigureEndpoint((MOUSE_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_INTERRUPT, MOUSE_EPSIZE, 1);
#endif
#ifdef SHARED_EP_ENABLE
/* Setup shared report endpoint */
ConfigSuccess &= Endpoint_ConfigureEndpoint((SHARED_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_INTERRUPT, SHARED_EPSIZE, 1);
#endif
#ifdef RAW_ENABLE
/* Setup raw HID endpoints */
ConfigSuccess &= Endpoint_ConfigureEndpoint((RAW_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_INTERRUPT, RAW_EPSIZE, 1);
ConfigSuccess &= Endpoint_ConfigureEndpoint((RAW_OUT_EPNUM | ENDPOINT_DIR_OUT), EP_TYPE_INTERRUPT, RAW_EPSIZE, 1);
#endif
#ifdef CONSOLE_ENABLE
/* Setup console endpoint */
ConfigSuccess &= Endpoint_ConfigureEndpoint((CONSOLE_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_INTERRUPT, CONSOLE_EPSIZE, 1);
# if 0
ConfigSuccess &= Endpoint_ConfigureEndpoint((CONSOLE_OUT_EPNUM | ENDPOINT_DIR_OUT), EP_TYPE_INTERRUPT, CONSOLE_EPSIZE, 1);
# endif
#endif
#ifdef MIDI_ENABLE
/* Setup MIDI stream endpoints */
ConfigSuccess &= Endpoint_ConfigureEndpoint((MIDI_STREAM_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_BULK, MIDI_STREAM_EPSIZE, 1);
ConfigSuccess &= Endpoint_ConfigureEndpoint((MIDI_STREAM_OUT_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_BULK, MIDI_STREAM_EPSIZE, 1);
#endif
#ifdef VIRTSER_ENABLE
/* Setup virtual serial endpoints */
ConfigSuccess &= Endpoint_ConfigureEndpoint((CDC_NOTIFICATION_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, 1);
ConfigSuccess &= Endpoint_ConfigureEndpoint((CDC_OUT_EPNUM | ENDPOINT_DIR_OUT), EP_TYPE_BULK, CDC_EPSIZE, 1);
ConfigSuccess &= Endpoint_ConfigureEndpoint((CDC_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_BULK, CDC_EPSIZE, 1);
#endif
#ifdef JOYSTICK_ENABLE
/* Setup joystick endpoint */
ConfigSuccess &= Endpoint_ConfigureEndpoint((JOYSTICK_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_INTERRUPT, JOYSTICK_EPSIZE, 1);
#endif
}
/* FIXME: Expose this table in the docs somehow
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
*/
/** \brief 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:
#if defined(SHARED_EP_ENABLE) && !defined(KEYBOARD_SHARED_EP)
case SHARED_INTERFACE:
#endif
Endpoint_ClearSETUP();
while (!(Endpoint_IsOUTReceived())) {
if (USB_DeviceState == DEVICE_STATE_Unattached) return;
}
if (Endpoint_BytesInEndpoint() == 2) {
uint8_t report_id = Endpoint_Read_8();
if (report_id == REPORT_ID_KEYBOARD || report_id == REPORT_ID_NKRO) {
keyboard_led_state = Endpoint_Read_8();
}
} else {
keyboard_led_state = Endpoint_Read_8();
}
Endpoint_ClearOUT();
Endpoint_ClearStatusStage();
break;
}
}
break;
case HID_REQ_GetProtocol:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) {
if (USB_ControlRequest.wIndex == KEYBOARD_INTERFACE) {
Endpoint_ClearSETUP();
while (!(Endpoint_IsINReady()))
;
Endpoint_Write_8(keyboard_protocol);
Endpoint_ClearIN();
Endpoint_ClearStatusStage();
}
}
break;
case HID_REQ_SetProtocol:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) {
if (USB_ControlRequest.wIndex == KEYBOARD_INTERFACE) {
Endpoint_ClearSETUP();
Endpoint_ClearStatusStage();
keyboard_protocol = (USB_ControlRequest.wValue & 0xFF);
clear_keyboard();
}
}
break;
case HID_REQ_SetIdle:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) {
Endpoint_ClearSETUP();
Endpoint_ClearStatusStage();
keyboard_idle = ((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(keyboard_idle);
Endpoint_ClearIN();
Endpoint_ClearStatusStage();
}
break;
}
#ifdef VIRTSER_ENABLE
CDC_Device_ProcessControlRequest(&cdc_device);
#endif
}
/*******************************************************************************
* Host driver
******************************************************************************/
/** \brief Keyboard LEDs
*
* FIXME: Needs doc
*/
static uint8_t keyboard_leds(void) { return keyboard_led_state; }
/** \brief Send Keyboard
*
* FIXME: Needs doc
*/
static void send_keyboard(report_keyboard_t *report) {
uint8_t timeout = 255;
#ifdef BLUETOOTH_ENABLE
uint8_t where = where_to_send();
if (where == OUTPUT_BLUETOOTH || where == OUTPUT_USB_AND_BT) {
# ifdef MODULE_ADAFRUIT_BLE
adafruit_ble_send_keys(report->mods, report->keys, sizeof(report->keys));
# elif MODULE_RN42
serial_send(0xFD);
serial_send(0x09);
serial_send(0x01);
serial_send(report->mods);
serial_send(report->reserved);
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
serial_send(report->keys[i]);
}
# endif
}
if (where != OUTPUT_USB && where != OUTPUT_USB_AND_BT) {
return;
}
#endif
/* Select the Keyboard Report Endpoint */
uint8_t ep = KEYBOARD_IN_EPNUM;
uint8_t size = KEYBOARD_REPORT_SIZE;
#ifdef NKRO_ENABLE
if (keyboard_protocol && keymap_config.nkro) {
ep = SHARED_IN_EPNUM;
size = sizeof(struct nkro_report);
}
#endif
Endpoint_SelectEndpoint(ep);
/* Check if write ready for a polling interval around 10ms */
while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
if (!Endpoint_IsReadWriteAllowed()) return;
/* If we're in Boot Protocol, don't send any report ID or other funky fields */
if (!keyboard_protocol) {
Endpoint_Write_Stream_LE(&report->mods, 8, NULL);
} else {
Endpoint_Write_Stream_LE(report, size, NULL);
}
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
keyboard_report_sent = *report;
}
/** \brief Send Mouse
*
* FIXME: Needs doc
*/
static void send_mouse(report_mouse_t *report) {
#ifdef MOUSE_ENABLE
uint8_t timeout = 255;
# ifdef BLUETOOTH_ENABLE
uint8_t where = where_to_send();
if (where == OUTPUT_BLUETOOTH || where == OUTPUT_USB_AND_BT) {
# ifdef MODULE_ADAFRUIT_BLE
// FIXME: mouse buttons
adafruit_ble_send_mouse_move(report->x, report->y, report->v, report->h, report->buttons);
# else
serial_send(0xFD);
serial_send(0x00);
serial_send(0x03);
serial_send(report->buttons);
serial_send(report->x);
serial_send(report->y);
serial_send(report->v); // should try sending the wheel v here
serial_send(report->h); // should try sending the wheel h here
serial_send(0x00);
# endif
}
if (where != OUTPUT_USB && where != OUTPUT_USB_AND_BT) {
return;
}
# endif
/* Select the Mouse Report Endpoint */
Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);
/* Check if write ready for a polling interval around 10ms */
while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
if (!Endpoint_IsReadWriteAllowed()) return;
/* 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
}
/** \brief Send Extra
*
* FIXME: Needs doc
*/
#ifdef EXTRAKEY_ENABLE
static void send_extra(uint8_t report_id, uint16_t data) {
uint8_t timeout = 255;
if (USB_DeviceState != DEVICE_STATE_Configured) return;
report_extra_t r = {.report_id = report_id, .usage = data};
Endpoint_SelectEndpoint(SHARED_IN_EPNUM);
/* Check if write ready for a polling interval around 10ms */
while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
if (!Endpoint_IsReadWriteAllowed()) return;
Endpoint_Write_Stream_LE(&r, sizeof(report_extra_t), NULL);
Endpoint_ClearIN();
}
#endif
/** \brief Send System
*
* FIXME: Needs doc
*/
static void send_system(uint16_t data) {
#ifdef EXTRAKEY_ENABLE
send_extra(REPORT_ID_SYSTEM, data);
#endif
}
/** \brief Send Consumer
*
* FIXME: Needs doc
*/
static void send_consumer(uint16_t data) {
#ifdef EXTRAKEY_ENABLE
# ifdef BLUETOOTH_ENABLE
uint8_t where = where_to_send();
if (where == OUTPUT_BLUETOOTH || where == OUTPUT_USB_AND_BT) {
# ifdef MODULE_ADAFRUIT_BLE
adafruit_ble_send_consumer_key(data);
# elif MODULE_RN42
static uint16_t last_data = 0;
if (data == last_data) return;
last_data = data;
uint16_t bitmap = CONSUMER2RN42(data);
serial_send(0xFD);
serial_send(0x03);
serial_send(0x03);
serial_send(bitmap & 0xFF);
serial_send((bitmap >> 8) & 0xFF);
# endif
}
if (where != OUTPUT_USB && where != OUTPUT_USB_AND_BT) {
return;
}
# endif
send_extra(REPORT_ID_CONSUMER, data);
#endif
}
/*******************************************************************************
* sendchar
******************************************************************************/
#ifdef CONSOLE_ENABLE
# define SEND_TIMEOUT 5
/** \brief Send Char
*
* FIXME: Needs doc
*/
int8_t sendchar(uint8_t c) {
// Not wait once timeouted.
// Because sendchar() is called so many times, waiting each call causes big lag.
static bool timeouted = false;
// prevents Console_Task() from running during sendchar() runs.
// or char will be lost. These two function is mutually exclusive.
CONSOLE_FLUSH_SET(false);
if (USB_DeviceState != DEVICE_STATE_Configured) return -1;
uint8_t ep = Endpoint_GetCurrentEndpoint();
Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
goto ERROR_EXIT;
}
if (timeouted && !Endpoint_IsReadWriteAllowed()) {
goto ERROR_EXIT;
}
timeouted = false;
uint8_t timeout = SEND_TIMEOUT;
while (!Endpoint_IsReadWriteAllowed()) {
if (USB_DeviceState != DEVICE_STATE_Configured) {
goto ERROR_EXIT;
}
if (Endpoint_IsStalled()) {
goto ERROR_EXIT;
}
if (!(timeout--)) {
timeouted = true;
goto ERROR_EXIT;
}
_delay_ms(1);
}
Endpoint_Write_8(c);
// send when bank is full
if (!Endpoint_IsReadWriteAllowed()) {
while (!(Endpoint_IsINReady()))
;
Endpoint_ClearIN();
} else {
CONSOLE_FLUSH_SET(true);
}
Endpoint_SelectEndpoint(ep);
return 0;
ERROR_EXIT:
Endpoint_SelectEndpoint(ep);
return -1;
}
#endif
/*******************************************************************************
* MIDI
******************************************************************************/
#ifdef MIDI_ENABLE
// clang-format off
USB_ClassInfo_MIDI_Device_t USB_MIDI_Interface = {
.Config = {
.StreamingInterfaceNumber = AS_INTERFACE,
.DataINEndpoint = {
.Address = (MIDI_STREAM_IN_EPNUM | ENDPOINT_DIR_IN),
.Size = MIDI_STREAM_EPSIZE,
.Banks = 1
},
.DataOUTEndpoint = {
.Address = (MIDI_STREAM_OUT_EPNUM | ENDPOINT_DIR_OUT),
.Size = MIDI_STREAM_EPSIZE,
.Banks = 1
}
}
};
// clang-format on
void send_midi_packet(MIDI_EventPacket_t *event) { MIDI_Device_SendEventPacket(&USB_MIDI_Interface, event); }
bool recv_midi_packet(MIDI_EventPacket_t *const event) { return MIDI_Device_ReceiveEventPacket(&USB_MIDI_Interface, event); }
#endif
/*******************************************************************************
* VIRTUAL SERIAL
******************************************************************************/
#ifdef VIRTSER_ENABLE
/** \brief Virtual Serial Init
*
* FIXME: Needs doc
*/
void virtser_init(void) {
cdc_device.State.ControlLineStates.DeviceToHost = CDC_CONTROL_LINE_IN_DSR;
CDC_Device_SendControlLineStateChange(&cdc_device);
}
/** \brief Virtual Serial Receive
*
* FIXME: Needs doc
*/
void virtser_recv(uint8_t c) __attribute__((weak));
void virtser_recv(uint8_t c) {
// Ignore by default
}
/** \brief Virtual Serial Task
*
* FIXME: Needs doc
*/
void virtser_task(void) {
uint16_t count = CDC_Device_BytesReceived(&cdc_device);
uint8_t ch;
for (; count; --count) {
ch = CDC_Device_ReceiveByte(&cdc_device);
virtser_recv(ch);
}
}
/** \brief Virtual Serial Send
*
* FIXME: Needs doc
*/
void virtser_send(const uint8_t byte) {
uint8_t timeout = 255;
uint8_t ep = Endpoint_GetCurrentEndpoint();
if (cdc_device.State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR) {
/* IN packet */
Endpoint_SelectEndpoint(cdc_device.Config.DataINEndpoint.Address);
if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
Endpoint_SelectEndpoint(ep);
return;
}
while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
Endpoint_Write_8(byte);
CDC_Device_Flush(&cdc_device);
if (Endpoint_IsINReady()) {
Endpoint_ClearIN();
}
Endpoint_SelectEndpoint(ep);
}
}
#endif
/*******************************************************************************
* main
******************************************************************************/
/** \brief Setup MCU
*
* FIXME: Needs doc
*/
static void setup_mcu(void) {
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~_BV(WDRF);
wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
}
/** \brief Setup USB
*
* FIXME: Needs doc
*/
static void setup_usb(void) {
// Leonardo needs. Without this USB device is not recognized.
USB_Disable();
USB_Init();
// for Console_Task
USB_Device_EnableSOFEvents();
}
/** \brief Main
*
* FIXME: Needs doc
*/
int main(void) __attribute__((weak));
int main(void) {
#ifdef MIDI_ENABLE
setup_midi();
#endif
setup_mcu();
keyboard_setup();
setup_usb();
sei();
#if defined(MODULE_RN42)
serial_init();
#endif
/* wait for USB startup & debug output */
#ifdef WAIT_FOR_USB
while (USB_DeviceState != DEVICE_STATE_Configured) {
# if defined(INTERRUPT_CONTROL_ENDPOINT)
;
# else
USB_USBTask();
# endif
}
print("USB configured.\n");
#else
USB_USBTask();
#endif
/* init modules */
keyboard_init();
host_set_driver(&lufa_driver);
#ifdef SLEEP_LED_ENABLE
sleep_led_init();
#endif
#ifdef VIRTSER_ENABLE
virtser_init();
#endif
print("Keyboard start.\n");
while (1) {
#if !defined(NO_USB_STARTUP_CHECK)
if (USB_DeviceState == DEVICE_STATE_Suspended) {
print("[s]");
while (USB_DeviceState == DEVICE_STATE_Suspended) {
suspend_power_down();
if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
USB_Device_SendRemoteWakeup();
clear_keyboard();
# if USB_SUSPEND_WAKEUP_DELAY > 0
// Some hubs, kvm switches, and monitors do
// weird things, with USB device state bouncing
// around wildly on wakeup, yielding race
// conditions that can corrupt the keyboard state.
//
// Pause for a while to let things settle...
wait_ms(USB_SUSPEND_WAKEUP_DELAY);
# endif
}
}
suspend_wakeup_init();
}
#endif
keyboard_task();
#ifdef MIDI_ENABLE
MIDI_Device_USBTask(&USB_MIDI_Interface);
#endif
#ifdef MODULE_ADAFRUIT_BLE
adafruit_ble_task();
#endif
#ifdef VIRTSER_ENABLE
virtser_task();
CDC_Device_USBTask(&cdc_device);
#endif
#ifdef RAW_ENABLE
raw_hid_task();
#endif
#if !defined(INTERRUPT_CONTROL_ENDPOINT)
USB_USBTask();
#endif
// Run housekeeping
housekeeping_task_kb();
housekeeping_task_user();
}
}
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint16_t wIndex, const void **const DescriptorAddress) { return get_usb_descriptor(wValue, wIndex, DescriptorAddress); }
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