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Add USB keyboard for Teensy 4.0

main
PaulStoffregen il y a 5 ans
Parent
révision
b3e7d058b5
8 fichiers modifiés avec 823 ajouts et 14 suppressions
  1. +1
    -1
      teensy4/WProgram.h
  2. +5
    -0
      teensy4/usb.c
  3. +24
    -0
      teensy4/usb_desc.c
  4. +8
    -11
      teensy4/usb_desc.h
  5. +674
    -0
      teensy4/usb_keyboard.c
  6. +111
    -0
      teensy4/usb_keyboard.h
  7. +0
    -1
      teensy4/usb_seremu.c
  8. +0
    -1
      teensy4/usb_seremu.h

+ 1
- 1
teensy4/WProgram.h Voir le fichier

@@ -50,7 +50,7 @@
#include "avr_emulation.h"
#include "usb_serial.h"
#include "usb_seremu.h"
//#include "usb_keyboard.h"
#include "usb_keyboard.h"
//#include "usb_mouse.h"
//#include "usb_joystick.h"
//#include "usb_midi.h"

+ 5
- 0
teensy4/usb.c Voir le fichier

@@ -2,6 +2,8 @@
#define USB_DESC_LIST_DEFINE
#include "usb_desc.h"
#include "usb_serial.h"
#include "usb_seremu.h"
#include "usb_keyboard.h"
#include "core_pins.h" // for delay()
#include "avr/pgmspace.h"
#include <string.h>
@@ -365,6 +367,9 @@ static void endpoint0_setup(uint64_t setupdata)
#if defined(RAWHID_INTERFACE)
usb_rawhid_configure();
#endif
#if defined(KEYBOARD_INTERFACE)
usb_keyboard_configure();
#endif
endpoint0_receive(NULL, 0, 0);
return;
case 0x0880: // GET_CONFIGURATION

+ 24
- 0
teensy4/usb_desc.c Voir le fichier

@@ -625,6 +625,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif

#ifdef CDC_DATA_INTERFACE
// configuration for 480 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -691,6 +692,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif // CDC_DATA_INTERFACE

#ifdef MIDI_INTERFACE
// configuration for 480 Mbit/sec speed
// Standard MS Interface Descriptor,
9, // bLength
4, // bDescriptorType
@@ -915,6 +917,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif // MIDI_INTERFACE

#ifdef KEYBOARD_INTERFACE
// configuration for 480 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -944,6 +947,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif // KEYBOARD_INTERFACE

#ifdef MOUSE_INTERFACE
// configuration for 480 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -973,6 +977,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif // MOUSE_INTERFACE

#ifdef RAWHID_INTERFACE
// configuration for 480 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1009,6 +1014,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif // RAWHID_INTERFACE

#ifdef FLIGHTSIM_INTERFACE
// configuration for 480 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1045,6 +1051,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif // FLIGHTSIM_INTERFACE

#ifdef SEREMU_INTERFACE
// configuration for 480 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1081,6 +1088,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif // SEREMU_INTERFACE

#ifdef JOYSTICK_INTERFACE
// configuration for 480 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1110,6 +1118,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif // JOYSTICK_INTERFACE

#ifdef MTP_INTERFACE
// configuration for 480 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1144,6 +1153,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif // MTP_INTERFACE

#ifdef KEYMEDIA_INTERFACE
// configuration for 480 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1173,6 +1183,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif // KEYMEDIA_INTERFACE

#ifdef AUDIO_INTERFACE
// configuration for 480 Mbit/sec speed
// interface association descriptor, USB ECN, Table 9-Z
8, // bLength
11, // bDescriptorType
@@ -1392,6 +1403,7 @@ PROGMEM const uint8_t usb_config_descriptor_480[CONFIG_DESC_SIZE] = {
#endif

#ifdef MULTITOUCH_INTERFACE
// configuration for 480 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1447,6 +1459,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif

#ifdef CDC_DATA_INTERFACE
// configuration for 12 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1513,6 +1526,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif // CDC_DATA_INTERFACE

#ifdef MIDI_INTERFACE
// configuration for 12 Mbit/sec speed
// Standard MS Interface Descriptor,
9, // bLength
4, // bDescriptorType
@@ -1737,6 +1751,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif // MIDI_INTERFACE

#ifdef KEYBOARD_INTERFACE
// configuration for 12 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1766,6 +1781,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif // KEYBOARD_INTERFACE

#ifdef MOUSE_INTERFACE
// configuration for 12 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1795,6 +1811,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif // MOUSE_INTERFACE

#ifdef RAWHID_INTERFACE
// configuration for 12 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1831,6 +1848,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif // RAWHID_INTERFACE

#ifdef FLIGHTSIM_INTERFACE
// configuration for 12 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1867,6 +1885,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif // FLIGHTSIM_INTERFACE

#ifdef SEREMU_INTERFACE
// configuration for 12 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1903,6 +1922,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif // SEREMU_INTERFACE

#ifdef JOYSTICK_INTERFACE
// configuration for 12 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1932,6 +1952,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif // JOYSTICK_INTERFACE

#ifdef MTP_INTERFACE
// configuration for 12 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1966,6 +1987,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif // MTP_INTERFACE

#ifdef KEYMEDIA_INTERFACE
// configuration for 12 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@@ -1995,6 +2017,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif // KEYMEDIA_INTERFACE

#ifdef AUDIO_INTERFACE
// configuration for 12 Mbit/sec speed
// interface association descriptor, USB ECN, Table 9-Z
8, // bLength
11, // bDescriptorType
@@ -2214,6 +2237,7 @@ PROGMEM const uint8_t usb_config_descriptor_12[CONFIG_DESC_SIZE] = {
#endif

#ifdef MULTITOUCH_INTERFACE
// configuration for 12 Mbit/sec speed
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType

+ 8
- 11
teensy4/usb_desc.h Voir le fichier

@@ -155,26 +155,23 @@ let me know? http://forum.pjrc.com/forums/4-Suggestions-amp-Bug-Reports
#define NUM_USB_BUFFERS 14
#define NUM_INTERFACE 3
#define SEREMU_INTERFACE 1 // Serial emulation
#define SEREMU_TX_ENDPOINT 1
#define SEREMU_TX_ENDPOINT 2
#define SEREMU_TX_SIZE 64
#define SEREMU_TX_INTERVAL 1
#define SEREMU_TX_INTERVAL 1 // TODO: is this ok for 480 Mbit speed
#define SEREMU_RX_ENDPOINT 2
#define SEREMU_RX_SIZE 32
#define SEREMU_RX_INTERVAL 2
#define SEREMU_RX_INTERVAL 2 // TODO: is this ok for 480 Mbit speed
#define KEYBOARD_INTERFACE 0 // Keyboard
#define KEYBOARD_ENDPOINT 3
#define KEYBOARD_SIZE 8
#define KEYBOARD_INTERVAL 1
#define KEYBOARD_INTERVAL 1 // TODO: is this ok for 480 Mbit speed
#define KEYMEDIA_INTERFACE 2 // Keyboard Media Keys
#define KEYMEDIA_ENDPOINT 4
#define KEYMEDIA_SIZE 8
#define KEYMEDIA_INTERVAL 4
#define ENDPOINT1_CONFIG ENDPOINT_TRANSMIT_ONLY
#define ENDPOINT2_CONFIG ENDPOINT_RECEIVE_ONLY
#define ENDPOINT3_CONFIG ENDPOINT_TRANSMIT_ONLY
#define ENDPOINT4_CONFIG ENDPOINT_TRANSMIT_ONLY
#define ENDPOINT5_CONFIG ENDPOINT_TRANSMIT_ONLY
#define ENDPOINT6_CONFIG ENDPOINT_TRANSMIT_ONLY
#define KEYMEDIA_INTERVAL 4 // TODO: is this ok for 480 Mbit speed
#define ENDPOINT2_CONFIG ENDPOINT_RECEIVE_INTERRUPT + ENDPOINT_TRANSMIT_INTERRUPT
#define ENDPOINT3_CONFIG ENDPOINT_RECEIVE_UNUSED + ENDPOINT_TRANSMIT_INTERRUPT
#define ENDPOINT4_CONFIG ENDPOINT_RECEIVE_UNUSED + ENDPOINT_TRANSMIT_INTERRUPT

#elif defined(USB_HID)
#define VENDOR_ID 0x16C0

+ 674
- 0
teensy4/usb_keyboard.c Voir le fichier

@@ -0,0 +1,674 @@
/* Teensyduino Core Library
* http://www.pjrc.com/teensy/
* Copyright (c) 2017 PJRC.COM, LLC.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* 1. The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* 2. If the Software is incorporated into a build system that allows
* selection among a list of target devices, then similar target
* devices manufactured by PJRC.COM must be included in the list of
* target devices and selectable in the same manner.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

#include "usb_dev.h"
#include "usb_keyboard.h"
#include "core_pins.h" // for yield()
#include "keylayouts.h"
#include <string.h> // for memcpy()
#include "avr/pgmspace.h" // for PROGMEM, DMAMEM, FASTRUN
#include "debug/printf.h"
#include "core_pins.h"

#ifdef KEYBOARD_INTERFACE // defined by usb_dev.h -> usb_desc.h

// which modifier keys are currently pressed
// 1=left ctrl, 2=left shift, 4=left alt, 8=left gui
// 16=right ctrl, 32=right shift, 64=right alt, 128=right gui
uint8_t keyboard_modifier_keys=0;

// which keys are currently pressed, up to 6 keys may be down at once
uint8_t keyboard_keys[6]={0,0,0,0,0,0};

#ifdef KEYMEDIA_INTERFACE
uint16_t keymedia_consumer_keys[4];
uint8_t keymedia_system_keys[3];
#endif

// protocol setting from the host. We use exactly the same report
// either way, so this variable only stores the setting since we
// are required to be able to report which setting is in use.
uint8_t keyboard_protocol=1;

// the idle configuration, how often we send the report to the
// host (ms * 4) even when it hasn't changed
uint8_t keyboard_idle_config=125;

// count until idle timeout
uint8_t keyboard_idle_count=0;

// 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
volatile uint8_t keyboard_leds=0;



static KEYCODE_TYPE unicode_to_keycode(uint16_t cpoint);
static void write_key(KEYCODE_TYPE keycode);
static uint8_t keycode_to_modifier(KEYCODE_TYPE keycode);
static uint8_t keycode_to_key(KEYCODE_TYPE keycode);
static void usb_keyboard_press_key(uint8_t key, uint8_t modifier);
static void usb_keyboard_release_key(uint8_t key, uint8_t modifier);
#ifdef DEADKEYS_MASK
static KEYCODE_TYPE deadkey_to_keycode(KEYCODE_TYPE keycode);
#endif
#ifdef KEYMEDIA_INTERFACE
static void usb_keymedia_press_consumer_key(uint16_t key);
static void usb_keymedia_release_consumer_key(uint16_t key);
static void usb_keymedia_press_system_key(uint8_t key);
static void usb_keymedia_release_system_key(uint8_t key);
static int usb_keymedia_send(void);
#endif


#define TX_NUM 12
#define TX_BUFSIZE 32
static transfer_t tx_transfer[TX_NUM] __attribute__ ((used, aligned(32)));
DMAMEM static uint8_t txbuffer[TX_NUM * TX_BUFSIZE] __attribute__ ((aligned(32)));
static uint8_t tx_head=0;
#if KEYBOARD_SIZE > TX_BUFSIZE
#error "Internal error, transmit buffer size is too small for keyboard endpoint"
#endif
#if defined(KEYMEDIA_INTERFACE) && KEYMEDIA_SIZE > TX_BUFSIZE
#error "Internal error, transmit buffer size is too small for media keys endpoint"
#endif


void usb_keyboard_configure(void)
{
memset(tx_transfer, 0, sizeof(tx_transfer));
tx_head = 0;
usb_config_tx(KEYBOARD_ENDPOINT, KEYBOARD_SIZE, 0, NULL); // normal keys use 8 byte packet
#ifdef KEYMEDIA_INTERFACE
usb_config_tx(KEYMEDIA_ENDPOINT, KEYMEDIA_SIZE, 0, NULL); // media keys use 8 byte packet
#endif
}


// Step #1, decode UTF8 to Unicode code points
//
void usb_keyboard_write(uint8_t c)
{
static int utf8_state=0;
static uint16_t unicode_wchar=0;

if (c < 0x80) {
// single byte encoded, 0x00 to 0x7F
utf8_state = 0;
usb_keyboard_write_unicode(c);
} else if (c < 0xC0) {
// 2nd, 3rd or 4th byte, 0x80 to 0xBF
c &= 0x3F;
if (utf8_state == 1) {
utf8_state = 0;
usb_keyboard_write_unicode(unicode_wchar | c);
} else if (utf8_state == 2) {
unicode_wchar |= ((uint16_t)c << 6);
utf8_state = 1;
}
} else if (c < 0xE0) {
// begin 2 byte sequence, 0xC2 to 0xDF
// or illegal 2 byte sequence, 0xC0 to 0xC1
unicode_wchar = (uint16_t)(c & 0x1F) << 6;
utf8_state = 1;
} else if (c < 0xF0) {
// begin 3 byte sequence, 0xE0 to 0xEF
unicode_wchar = (uint16_t)(c & 0x0F) << 12;
utf8_state = 2;
} else {
// begin 4 byte sequence (not supported), 0xF0 to 0xF4
// or illegal, 0xF5 to 0xFF
utf8_state = 255;
}
}


// Step #2: translate Unicode code point to keystroke sequence
//
static KEYCODE_TYPE unicode_to_keycode(uint16_t cpoint)
{
// Unicode code points beyond U+FFFF are not supported
// technically this input should probably be called UCS-2
if (cpoint < 32) {
if (cpoint == 10) return KEY_ENTER & KEYCODE_MASK;
if (cpoint == 11) return KEY_TAB & KEYCODE_MASK;
return 0;
}
if (cpoint < 128) {
return keycodes_ascii[cpoint - 0x20];
}
#ifdef ISO_8859_1_A0
if (cpoint >= 0xA0 && cpoint < 0x100) {
return keycodes_iso_8859_1[cpoint - 0xA0];
}
#endif
//#ifdef UNICODE_20AC
//if (cpoint == 0x20AC) return UNICODE_20AC & 0x3FFF;
//#endif
#ifdef KEYCODE_EXTRA00
if (cpoint == UNICODE_EXTRA00) return (KEYCODE_EXTRA00) & 0x3FFF;
#endif
#ifdef KEYCODE_EXTRA01
if (cpoint == UNICODE_EXTRA01) return (KEYCODE_EXTRA01) & 0x3FFF;
#endif
#ifdef KEYCODE_EXTRA02
if (cpoint == UNICODE_EXTRA02) return (KEYCODE_EXTRA02) & 0x3FFF;
#endif
#ifdef KEYCODE_EXTRA03
if (cpoint == UNICODE_EXTRA03) return (KEYCODE_EXTRA03) & 0x3FFF;
#endif
#ifdef KEYCODE_EXTRA04
if (cpoint == UNICODE_EXTRA04) return (KEYCODE_EXTRA04) & 0x3FFF;
#endif
#ifdef KEYCODE_EXTRA05
if (cpoint == UNICODE_EXTRA05) return (KEYCODE_EXTRA05) & 0x3FFF;
#endif
#ifdef KEYCODE_EXTRA06
if (cpoint == UNICODE_EXTRA06) return (KEYCODE_EXTRA06) & 0x3FFF;
#endif
#ifdef KEYCODE_EXTRA07
if (cpoint == UNICODE_EXTRA07) return (KEYCODE_EXTRA07) & 0x3FFF;
#endif
#ifdef KEYCODE_EXTRA08
if (cpoint == UNICODE_EXTRA08) return (KEYCODE_EXTRA08) & 0x3FFF;
#endif
#ifdef KEYCODE_EXTRA09
if (cpoint == UNICODE_EXTRA09) return (KEYCODE_EXTRA09) & 0x3FFF;
#endif
#ifdef KEYCODE_EXTRA0A
if (cpoint == UNICODE_EXTRA0A) return (KEYCODE_EXTRA0A) & 0x3FFF;
#endif
return 0;
}

// Step #3: execute keystroke sequence
//
#ifdef DEADKEYS_MASK
static KEYCODE_TYPE deadkey_to_keycode(KEYCODE_TYPE keycode)
{
keycode &= DEADKEYS_MASK;
if (keycode == 0) return 0;
#ifdef ACUTE_ACCENT_BITS
if (keycode == ACUTE_ACCENT_BITS) return DEADKEY_ACUTE_ACCENT;
#endif
#ifdef CEDILLA_BITS
if (keycode == CEDILLA_BITS) return DEADKEY_CEDILLA;
#endif
#ifdef CIRCUMFLEX_BITS
if (keycode == CIRCUMFLEX_BITS) return DEADKEY_CIRCUMFLEX;
#endif
#ifdef DIAERESIS_BITS
if (keycode == DIAERESIS_BITS) return DEADKEY_DIAERESIS;
#endif
#ifdef GRAVE_ACCENT_BITS
if (keycode == GRAVE_ACCENT_BITS) return DEADKEY_GRAVE_ACCENT;
#endif
#ifdef TILDE_BITS
if (keycode == TILDE_BITS) return DEADKEY_TILDE;
#endif
#ifdef RING_ABOVE_BITS
if (keycode == RING_ABOVE_BITS) return DEADKEY_RING_ABOVE;
#endif
#ifdef DEGREE_SIGN_BITS
if (keycode == DEGREE_SIGN_BITS) return DEADKEY_DEGREE_SIGN;
#endif
#ifdef CARON_BITS
if (keycode == CARON_BITS) return DEADKEY_CARON;
#endif
#ifdef BREVE_BITS
if (keycode == BREVE_BITS) return DEADKEY_BREVE;
#endif
#ifdef OGONEK_BITS
if (keycode == OGONEK_BITS) return DEADKEY_OGONEK;
#endif
#ifdef DOT_ABOVE_BITS
if (keycode == DOT_ABOVE_BITS) return DEADKEY_DOT_ABOVE;
#endif
#ifdef DOUBLE_ACUTE_BITS
if (keycode == DOUBLE_ACUTE_BITS) return DEADKEY_DOUBLE_ACUTE;
#endif
return 0;
}
#endif

void usb_keyboard_write_unicode(uint16_t cpoint)
{
KEYCODE_TYPE keycode;

keycode = unicode_to_keycode(cpoint);
if (keycode) {
#ifdef DEADKEYS_MASK
KEYCODE_TYPE deadkeycode = deadkey_to_keycode(keycode);
if (deadkeycode) write_key(deadkeycode);
#endif
write_key(keycode);
}
}


// Step #4: do each keystroke
//
static void write_key(KEYCODE_TYPE keycode)
{
/*
uint8_t key, modifier=0;

#ifdef SHIFT_MASK
if (keycode & SHIFT_MASK) modifier |= MODIFIERKEY_SHIFT;
#endif
#ifdef ALTGR_MASK
if (keycode & ALTGR_MASK) modifier |= MODIFIERKEY_RIGHT_ALT;
#endif
#ifdef RCTRL_MASK
if (keycode & RCTRL_MASK) modifier |= MODIFIERKEY_RIGHT_CTRL;
#endif
key = keycode & 0x3F;
#ifdef KEY_NON_US_100
if (key == KEY_NON_US_100) key = 100;
#endif
usb_keyboard_press(key, modifier);
*/
usb_keyboard_press(keycode_to_key(keycode), keycode_to_modifier(keycode));
}

static uint8_t keycode_to_modifier(KEYCODE_TYPE keycode)
{
uint8_t modifier=0;

#ifdef SHIFT_MASK
if (keycode & SHIFT_MASK) modifier |= MODIFIERKEY_SHIFT;
#endif
#ifdef ALTGR_MASK
if (keycode & ALTGR_MASK) modifier |= MODIFIERKEY_RIGHT_ALT;
#endif
#ifdef RCTRL_MASK
if (keycode & RCTRL_MASK) modifier |= MODIFIERKEY_RIGHT_CTRL;
#endif
return modifier;
}

static uint8_t keycode_to_key(KEYCODE_TYPE keycode)
{
uint8_t key = keycode & 0x3F;
#ifdef KEY_NON_US_100
if (key == KEY_NON_US_100) key = 100;
#endif
return key;
}


// Input can be:
// 32 - 127 ASCII direct (U+0020 to U+007F) <-- uses layout
// 128 - 0xC1FF Unicode direct (U+0080 to U+C1FF) <-- uses layout
// 0xC200 - 0xDFFF Unicode UTF8 packed (U+0080 to U+07FF) <-- uses layout
// 0xE000 - 0xE0FF Modifier key (bitmap, 8 keys, shift/ctrl/alt/gui)
// 0xE200 - 0xE2FF System key (HID usage code, within usage page 1)
// 0xE400 - 0xE7FF Media/Consumer key (HID usage code, within usage page 12)
// 0xF000 - 0xFFFF Normal key (HID usage code, within usage page 7)

void usb_keyboard_press_keycode(uint16_t n)
{
uint8_t key, mod, msb, modrestore=0;
KEYCODE_TYPE keycode;
#ifdef DEADKEYS_MASK
KEYCODE_TYPE deadkeycode;
#endif

msb = n >> 8;

if (msb >= 0xC2) {
if (msb <= 0xDF) {
n = (n & 0x3F) | ((uint16_t)(msb & 0x1F) << 6);
} else if (msb == 0xF0) {
usb_keyboard_press_key(n, 0);
return;
} else if (msb == 0xE0) {
usb_keyboard_press_key(0, n);
return;
#ifdef KEYMEDIA_INTERFACE
} else if (msb == 0xE2) {
usb_keymedia_press_system_key(n);
return;
} else if (msb >= 0xE4 && msb <= 0xE7) {
usb_keymedia_press_consumer_key(n & 0x3FF);
return;
#endif
} else {
return;
}
}
keycode = unicode_to_keycode(n);
if (!keycode) return;
#ifdef DEADKEYS_MASK
deadkeycode = deadkey_to_keycode(keycode);
if (deadkeycode) {
modrestore = keyboard_modifier_keys;
if (modrestore) {
keyboard_modifier_keys = 0;
usb_keyboard_send();
}
// TODO: test if operating systems recognize
// deadkey sequences when other keys are held
mod = keycode_to_modifier(deadkeycode);
key = keycode_to_key(deadkeycode);
usb_keyboard_press_key(key, mod);
usb_keyboard_release_key(key, mod);
}
#endif
mod = keycode_to_modifier(keycode);
key = keycode_to_key(keycode);
usb_keyboard_press_key(key, mod | modrestore);
}


void usb_keyboard_release_keycode(uint16_t n)
{
uint8_t key, mod, msb;

msb = n >> 8;
if (msb >= 0xC2) {
if (msb <= 0xDF) {
n = (n & 0x3F) | ((uint16_t)(msb & 0x1F) << 6);
} else if (msb == 0xF0) {
usb_keyboard_release_key(n, 0);
return;
} else if (msb == 0xE0) {
usb_keyboard_release_key(0, n);
return;
#ifdef KEYMEDIA_INTERFACE
} else if (msb == 0xE2) {
usb_keymedia_release_system_key(n);
return;
} else if (msb >= 0xE4 && msb <= 0xE7) {
usb_keymedia_release_consumer_key(n & 0x3FF);
return;
#endif
} else {
return;
}
}
KEYCODE_TYPE keycode = unicode_to_keycode(n);
if (!keycode) return;
mod = keycode_to_modifier(keycode);
key = keycode_to_key(keycode);
usb_keyboard_release_key(key, mod);
}


static void usb_keyboard_press_key(uint8_t key, uint8_t modifier)
{
int i, send_required = 0;

if (modifier) {
if ((keyboard_modifier_keys & modifier) != modifier) {
keyboard_modifier_keys |= modifier;
send_required = 1;
}
}
if (key) {
for (i=0; i < 6; i++) {
if (keyboard_keys[i] == key) goto end;
}
for (i=0; i < 6; i++) {
if (keyboard_keys[i] == 0) {
keyboard_keys[i] = key;
send_required = 1;
goto end;
}
}
}
end:
if (send_required) usb_keyboard_send();
}


static void usb_keyboard_release_key(uint8_t key, uint8_t modifier)
{
int i, send_required = 0;

if (modifier) {
if ((keyboard_modifier_keys & modifier) != 0) {
keyboard_modifier_keys &= ~modifier;
send_required = 1;
}
}
if (key) {
for (i=0; i < 6; i++) {
if (keyboard_keys[i] == key) {
keyboard_keys[i] = 0;
send_required = 1;
}
}
}
if (send_required) usb_keyboard_send();
}

void usb_keyboard_release_all(void)
{
uint8_t i, anybits;

anybits = keyboard_modifier_keys;
keyboard_modifier_keys = 0;
for (i=0; i < 6; i++) {
anybits |= keyboard_keys[i];
keyboard_keys[i] = 0;
}
if (anybits) usb_keyboard_send();
#ifdef KEYMEDIA_INTERFACE
anybits = 0;
for (i=0; i < 4; i++) {
if (keymedia_consumer_keys[i] != 0) anybits = 1;
keymedia_consumer_keys[i] = 0;
}
for (i=0; i < 3; i++) {
if (keymedia_system_keys[i] != 0) anybits = 1;
keymedia_system_keys[i] = 0;
}
if (anybits) usb_keymedia_send();
#endif
}


int usb_keyboard_press(uint8_t key, uint8_t modifier)
{
int r;
keyboard_modifier_keys = modifier;
keyboard_keys[0] = key;
keyboard_keys[1] = 0;
keyboard_keys[2] = 0;
keyboard_keys[3] = 0;
keyboard_keys[4] = 0;
keyboard_keys[5] = 0;
r = usb_keyboard_send();
if (r) return r;
keyboard_modifier_keys = 0;
keyboard_keys[0] = 0;
return usb_keyboard_send();
}


static uint8_t transmit_previous_timeout=0;

// When the PC isn't listening, how long do we wait before discarding data?
#define TX_TIMEOUT_MSEC 50

int usb_keyboard_transmit(int endpoint, const uint8_t *data, uint32_t len)
{
if (!usb_configuration) return -1;
uint32_t head = tx_head;
transfer_t *xfer = tx_transfer + head;
uint32_t wait_begin_at = systick_millis_count;
while (1) {
uint32_t status = usb_transfer_status(xfer);
if (!(status & 0x80)) {
if (status & 0x68) {
// TODO: what if status has errors???
printf("ERROR status = %x, i=%d, ms=%u\n",
status, tx_head, systick_millis_count);
}
transmit_previous_timeout = 0;
break;
}
if (transmit_previous_timeout) return -1;
if (systick_millis_count - wait_begin_at > TX_TIMEOUT_MSEC) {
// waited too long, assume the USB host isn't listening
transmit_previous_timeout = 1;
return -1;
}
if (!usb_configuration) return -1;
yield();
}
uint8_t *buffer = txbuffer + head * TX_BUFSIZE;
memcpy(buffer, data, len);
usb_prepare_transfer(xfer, buffer, len, 0);
arm_dcache_flush_delete(buffer, TX_BUFSIZE);
usb_transmit(endpoint, xfer);
if (++head >= TX_NUM) head = 0;
tx_head = head;
return 0;
}


// send the contents of keyboard_keys and keyboard_modifier_keys
int usb_keyboard_send(void)
{
uint8_t buffer[KEYBOARD_SIZE];
buffer[0] = keyboard_modifier_keys;
buffer[1] = 0;
buffer[2] = keyboard_keys[0];
buffer[3] = keyboard_keys[1];
buffer[4] = keyboard_keys[2];
buffer[5] = keyboard_keys[3];
buffer[6] = keyboard_keys[4];
buffer[7] = keyboard_keys[5];
return usb_keyboard_transmit(KEYBOARD_ENDPOINT, buffer, KEYBOARD_SIZE);
}


#ifdef KEYMEDIA_INTERFACE

static void usb_keymedia_press_consumer_key(uint16_t key)
{
int i;

if (key == 0) return;
for (i=0; i < 4; i++) {
if (keymedia_consumer_keys[i] == key) return;
}
for (i=0; i < 4; i++) {
if (keymedia_consumer_keys[i] == 0) {
keymedia_consumer_keys[i] = key;
usb_keymedia_send();
return;
}
}
}

static void usb_keymedia_release_consumer_key(uint16_t key)
{
int i;

if (key == 0) return;
for (i=0; i < 4; i++) {
if (keymedia_consumer_keys[i] == key) {
keymedia_consumer_keys[i] = 0;
usb_keymedia_send();
return;
}
}
}

static void usb_keymedia_press_system_key(uint8_t key)
{
int i;

if (key == 0) return;
for (i=0; i < 3; i++) {
if (keymedia_system_keys[i] == key) return;
}
for (i=0; i < 3; i++) {
if (keymedia_system_keys[i] == 0) {
keymedia_system_keys[i] = key;
usb_keymedia_send();
return;
}
}
}

static void usb_keymedia_release_system_key(uint8_t key)
{
int i;

if (key == 0) return;
for (i=0; i < 3; i++) {
if (keymedia_system_keys[i] == key) {
keymedia_system_keys[i] = 0;
usb_keymedia_send();
return;
}
}
}

void usb_keymedia_release_all(void)
{
uint8_t i, anybits;

anybits = 0;
for (i=0; i < 4; i++) {
if (keymedia_consumer_keys[i] != 0) anybits = 1;
keymedia_consumer_keys[i] = 0;
}
for (i=0; i < 3; i++) {
if (keymedia_system_keys[i] != 0) anybits = 1;
keymedia_system_keys[i] = 0;
}
if (anybits) usb_keymedia_send();
}

// send the contents of keyboard_keys and keyboard_modifier_keys
static int usb_keymedia_send(void)
{
uint8_t buffer[8];
const uint16_t *consumer = keymedia_consumer_keys;
// 44444444 44333333 33332222 22222211 11111111
// 98765432 10987654 32109876 54321098 76543210
buffer[0] = consumer[0];
buffer[1] = (consumer[1] << 2) | ((consumer[0] >> 8) & 0x03);
buffer[2] = (consumer[2] << 4) | ((consumer[1] >> 6) & 0x0F);
buffer[3] = (consumer[3] << 6) | ((consumer[2] >> 4) & 0x3F);
buffer[4] = consumer[3] >> 2;
buffer[5] = keymedia_system_keys[0];
buffer[6] = keymedia_system_keys[1];
buffer[7] = keymedia_system_keys[2];
return usb_keyboard_transmit(KEYMEDIA_ENDPOINT, buffer, KEYMEDIA_SIZE);
}

#endif // KEYMEDIA_INTERFACE

#endif // KEYBOARD_INTERFACE

+ 111
- 0
teensy4/usb_keyboard.h Voir le fichier

@@ -0,0 +1,111 @@
/* Teensyduino Core Library
* http://www.pjrc.com/teensy/
* Copyright (c) 2017 PJRC.COM, LLC.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* 1. The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* 2. If the Software is incorporated into a build system that allows
* selection among a list of target devices, then similar target
* devices manufactured by PJRC.COM must be included in the list of
* target devices and selectable in the same manner.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

#pragma once

#include "usb_desc.h"

#include "keylayouts.h"

#if defined(KEYBOARD_INTERFACE)

#include <inttypes.h>

// C language implementation
#ifdef __cplusplus
extern "C" {
#endif
void usb_keyboard_configure(void);
void usb_keyboard_write(uint8_t c);
void usb_keyboard_write_unicode(uint16_t cpoint);
void usb_keyboard_press_keycode(uint16_t n);
void usb_keyboard_release_keycode(uint16_t n);
void usb_keyboard_release_all(void);
int usb_keyboard_press(uint8_t key, uint8_t modifier);
int usb_keyboard_send(void);
#ifdef KEYMEDIA_INTERFACE
void usb_keymedia_release_all(void);
#endif
extern uint8_t keyboard_modifier_keys;
extern uint8_t keyboard_keys[6];
extern uint8_t keyboard_protocol;
extern uint8_t keyboard_idle_config;
extern uint8_t keyboard_idle_count;
extern volatile uint8_t keyboard_leds;
extern volatile uint8_t usb_configuration;
#ifdef __cplusplus
}
#endif



// C++ interface
#ifdef __cplusplus
#include "Stream.h"
class usb_keyboard_class : public Print
{
public:
void begin(void) { }
void end(void) { }
virtual size_t write(uint8_t c) { usb_keyboard_write(c); return 1; }
size_t write(unsigned long n) { return write((uint8_t)n); }
size_t write(long n) { return write((uint8_t)n); }
size_t write(unsigned int n) { return write((uint8_t)n); }
size_t write(int n) { return write((uint8_t)n); }
using Print::write;
void write_unicode(uint16_t n) { usb_keyboard_write_unicode(n); }
void set_modifier(uint16_t c) { keyboard_modifier_keys = (uint8_t)c; }
void set_key1(uint8_t c) { keyboard_keys[0] = c; }
void set_key2(uint8_t c) { keyboard_keys[1] = c; }
void set_key3(uint8_t c) { keyboard_keys[2] = c; }
void set_key4(uint8_t c) { keyboard_keys[3] = c; }
void set_key5(uint8_t c) { keyboard_keys[4] = c; }
void set_key6(uint8_t c) { keyboard_keys[5] = c; }
#ifdef KEYMEDIA_INTERFACE
void set_media(uint16_t c) {
if (c == 0) {
usb_keymedia_release_all();
} else if (c >= 0xE400 && c <= 0xE7FF) {
press(c);
}
}
#endif
void send_now(void) { usb_keyboard_send(); }
void press(uint16_t n) { usb_keyboard_press_keycode(n); }
void release(uint16_t n) { usb_keyboard_release_keycode(n); }
void releaseAll(void) { usb_keyboard_release_all(); }
};

extern usb_keyboard_class Keyboard;

#endif // __cplusplus

#endif // KEYBOARD_INTERFACE


+ 0
- 1
teensy4/usb_seremu.c Voir le fichier

@@ -43,7 +43,6 @@ extern volatile uint8_t usb_high_speed;

// TODO: should be 2 different timeouts, high speed (480) vs full speed (12)
#define TRANSMIT_FLUSH_TIMEOUT 75 /* in microseconds */
volatile uint8_t usb_seremu_transmit_flush_timer=0;
static void timer_config(void (*callback)(void), uint32_t microseconds);
static void timer_start_oneshot();
static void timer_stop();

+ 0
- 1
teensy4/usb_seremu.h Voir le fichier

@@ -50,7 +50,6 @@ int usb_seremu_putchar(uint8_t c);
int usb_seremu_write(const void *buffer, uint32_t size);
int usb_seremu_write_buffer_free(void);
void usb_seremu_flush_output(void);
extern volatile uint8_t usb_seremu_transmit_flush_timer;
extern volatile uint8_t usb_configuration;
#ifdef __cplusplus
}

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