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Keyboard: Port of TMK XT USB Converter (#3619)

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* Converter: add XT USB converter from TMK

* Converter: port TMK code for USB converter to QMK

* Apply requested changes after code review by @drashna

- use "pragma once" instead of include guards
- use LAYOUT instead of KEYMAP
- allow customisation with matrix_init_user() and matrix_scan_user()
- set BOOTLOADER instead of BOOTLOADER_SIZE
- Add XT_ENABLE to OPT_DEFS

* Remove unnecessary lines
This commit is contained in:
markspanbroek 2018-10-22 21:37:03 +02:00 committed by Drashna Jaelre
parent bf57587e62
commit 6d7745a110
12 changed files with 926 additions and 0 deletions
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17
keyboards/converter/xt_usb/README.md Normal file
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XT to USB keyboard converter
==============================
This is a port of TMK's converter/xt_usb to QMK.
This firmware converts XT keyboard protocol to USB.(It supports Scan Code Set 1.)
Connect Wires
-------------
1. Connect **Vcc** and **GND**.
2. Connect **Clock** and **Data** line. **Clock** is on `PD1`, **Data** on `PD0` by default. And optionally you can use `PB7` for **Reset**.(Compatible to Soarer's converter) To change pin configuration edit `config.h`.
3. You need pull-up resistor. **1K-10K Ohm** will be OK.
XT keyboard protocol resource
------------------------------
https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-XT-Keyboard-Protocol

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keyboards/converter/xt_usb/config.h Normal file
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/*
Copyright 2012 Jun Wako <wakojun@gmail.com>
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#define VENDOR_ID 0xFEED
#define PRODUCT_ID 0x6512
#define DEVICE_VER 0x0001
#define MANUFACTURER QMK
#define PRODUCT XT keyboard converter
#define DESCRIPTION convert XT keyboard to USB
/* matrix size */
#define MATRIX_ROWS 16 // keycode bit: 3-0
#define MATRIX_COLS 8 // keycode bit: 6-4
/* key combination for command */
#define IS_COMMAND() ( \
keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) || \
keyboard_report->mods == (MOD_BIT(KC_LCTRL) | MOD_BIT(KC_RSHIFT)) \
)
//#define NO_SUSPEND_POWER_DOWN
/*
* XT Pin interrupt
*/
#define XT_CLOCK_PORT PORTD
#define XT_CLOCK_PIN PIND
#define XT_CLOCK_DDR DDRD
#define XT_CLOCK_BIT 1
#define XT_DATA_PORT PORTD
#define XT_DATA_PIN PIND
#define XT_DATA_DDR DDRD
#define XT_DATA_BIT 0
#define XT_RST_PORT PORTB
#define XT_RST_PIN PINB
#define XT_RST_DDR DDRB
#define XT_RST_BIT 7
/* hard reset: low pulse for 500ms and after that HiZ for safety */
#define XT_RESET() do { \
XT_RST_PORT &= ~(1<<XT_RST_BIT); \
XT_RST_DDR |= (1<<XT_RST_BIT); \
_delay_ms(500); \
XT_RST_DDR &= ~(1<<XT_RST_BIT); \
} while (0)
/* INT1 for falling edge of clock line */
#define XT_INT_INIT() do { \
EICRA |= ((1<<ISC11) | \
(0<<ISC10)); \
} while (0)
/* clears flag and enables interrupt */
#define XT_INT_ON() do { \
EIFR |= (1<<INTF1); \
EIMSK |= (1<<INT1); \
} while (0)
#define XT_INT_OFF() do { \
EIMSK &= ~(1<<INT1); \
} while (0)
#define XT_INT_VECT INT1_vect

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keyboards/converter/xt_usb/keymaps/default/config.h Normal file
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#pragma once

55
keyboards/converter/xt_usb/keymaps/default/keymap.c Normal file
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#include QMK_KEYBOARD_H
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* IBM XT keyboard layout
* ,-------. ,--------------------------------------------------------------------------.
* | F1| F2| |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =| BS |NumLck |ScrLck |
* |-------| |--------------------------------------------------------------------------|
* | F3| F4| | Tab | Q| W| E| R| T| Y| U| I| O| P| [| ] | | 7| 8| 9| -|
* |-------| |------------------------------------------------------|Ent|---------------|
* | F5| F6| | Ctrl | A| S| D| F| G| H| J| K| L| ;| '| `| | 4| 5| 6| |
* |-------| |----------------------------------------------------------------------| |
* | F7| F8| |Shif| \| Z| X| C| V| B| N| M| ,| .| /|Shift|PrS| 1| 2| 3| +|
* |-------| |----------------------------------------------------------------------| |
* | F9|F10| | Alt | Space |CapsLck| 0 | . | |
* `-------' `--------------------------------------------------------------------------'
*/
LAYOUT_xt( \
KC_F1, KC_F2, KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS,KC_EQL, KC_BSPC, KC_NLCK, KC_SLCK,
KC_F3, KC_F4, KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC,KC_RBRC, KC_P7, KC_P8, KC_P9, KC_PMNS,
KC_F5, KC_F6, KC_LCTL,KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN,KC_QUOT,KC_GRV, KC_ENT, KC_P4, KC_P5, KC_P6,
KC_F7, KC_F8, KC_LSFT,KC_BSLS,KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM,KC_DOT, KC_SLSH,KC_RSFT,KC_PSCR,KC_P1, KC_P2, KC_P3, KC_PPLS,
KC_F9, KC_F10, KC_LALT, KC_SPC, KC_CAPS, KC_P0, KC_PDOT
),
/* Extended keyboard layout
* ,-----------------------------------------------.
* |F13|F14|F15|F16|F17|F18|F19|F20|F21|F22|F23|F24|
* ,---. |-----------------------------------------------| ,-----------. ,-----------.
* |Esc| |F1 |F2 |F3 |F4 |F5 |F6 |F7 |F8 |F9 |F10|F11|F12| |PrS|ScL|Pau| |VDn|VUp|Mut|
* `---' `-----------------------------------------------' `-----------' `-----------'
* ,-----------------------------------------------------------. ,-----------. ,---------------.
* | `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|JPY|Bsp| |Ins|Hom|PgU| |NmL| /| *| -|
* |-----------------------------------------------------------| |-----------| |---------------|
* |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| \ | |Del|End|PgD| | 7| 8| 9| +|
* |-----------------------------------------------------------| `-----------' |---------------|
* |CapsL | A| S| D| F| G| H| J| K| L| ;| '| #|Entr| | 4| 5| 6|KP,|
* |-----------------------------------------------------------| ,---. |---------------|
* |Shft| <| Z| X| C| V| B| N| M| ,| .| /| RO|Shift | |Up | | 1| 2| 3|KP=|
* |-----------------------------------------------------------| ,-----------. |---------------|
* |Ctl|Gui|Alt|MHEN| Space |HENK|KANA|Alt|Gui|App|Ctl| |Lef|Dow|Rig| | 0| .|Ent|
* `-----------------------------------------------------------' `-----------' `---------------'
*/
/* Try this if your keyboad has exotic keys.
LAYOUT(
KC_F13, KC_F14, KC_F15, KC_F16, KC_F17, KC_F18, KC_F19, KC_F20, KC_F21, KC_F22, KC_F23, KC_F24,
KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_PSCR,KC_SLCK,KC_PAUS, KC_VOLD,KC_VOLU,KC_MUTE,
KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS,KC_EQL, KC_JYEN,KC_BSPC, KC_INS, KC_HOME,KC_PGUP, KC_NLCK,KC_PSLS,KC_PAST,KC_PMNS,
KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC,KC_RBRC, KC_BSLS, KC_DEL, KC_END, KC_PGDN, KC_P7, KC_P8, KC_P9, KC_PPLS,
KC_CAPS,KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN,KC_QUOT, KC_NUHS,KC_ENT, KC_P4, KC_P5, KC_P6, KC_PCMM,
KC_LSFT,KC_NUBS,KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM,KC_DOT, KC_SLSH, KC_RO, KC_RSFT, KC_UP, KC_P1, KC_P2, KC_P3, KC_PENT,
KC_LCTL,KC_LGUI,KC_LALT,KC_MHEN, KC_SPC, KC_HENK,KC_KANA,KC_RALT,KC_RGUI,KC_APP, KC_RCTL, KC_LEFT,KC_DOWN,KC_RGHT, KC_P0, KC_PDOT,KC_PEQL
),
*/
};

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/*
Copyright 2016 Ethan Apodaca <papodaca@gmail.com>
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "led.h"
void led_set(uint8_t usb_led) {
//XT Keyboards do not have LEDs, nothing to do.
}

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keyboards/converter/xt_usb/matrix.c Normal file
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/*
Copyright 2011 Jun Wako <wakojun@gmail.com>
Copyright 2016 Ethan Apodaca <papodaca@gmail.com>
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdbool.h>
#include "action.h"
#include "print.h"
#include "util.h"
#include "debug.h"
#include "xt.h"
#include "matrix.h"
static void matrix_make(uint8_t code);
static void matrix_break(uint8_t code);
static uint8_t matrix[MATRIX_ROWS];
#define ROW(code) (code>>3)
#define COL(code) (code&0x07)
__attribute__ ((weak))
void matrix_init_kb(void) {
matrix_init_user();
}
__attribute__ ((weak))
void matrix_scan_kb(void) {
matrix_scan_user();
}
__attribute__ ((weak))
void matrix_init_user(void) {
}
__attribute__ ((weak))
void matrix_scan_user(void) {
}
void matrix_init(void)
{
debug_enable = true;
xt_host_init();
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
matrix_init_quantum();
}
// convert E0-escaped codes into unused area
static uint8_t move_e0code(uint8_t code) {
switch(code) {
// Original IBM XT keyboard has these keys
case 0x37: return 0x54; // Print Screen
case 0x46: return 0x55; // Ctrl + Pause
case 0x1C: return 0x6F; // Keypad Enter
case 0x35: return 0x7F; // Keypad /
// Any XT keyobard with these keys?
// http://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/translate.pdf
// https://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/scancode.doc
case 0x5B: return 0x5A; // Left GUI
case 0x5C: return 0x5B; // Right GUI
case 0x5D: return 0x5C; // Application
case 0x5E: return 0x5D; // Power(not used)
case 0x5F: return 0x5E; // Sleep(not used)
case 0x63: return 0x5F; // Wake (not used)
case 0x48: return 0x60; // Up
case 0x4B: return 0x61; // Left
case 0x50: return 0x62; // Down
case 0x4D: return 0x63; // Right
case 0x52: return 0x71; // Insert
case 0x53: return 0x72; // Delete
case 0x47: return 0x74; // Home
case 0x4F: return 0x75; // End
case 0x49: return 0x77; // Home
case 0x51: return 0x78; // End
case 0x1D: return 0x7A; // Right Ctrl
case 0x38: return 0x7C; // Right Alt
}
return 0x00;
}
uint8_t matrix_scan(void)
{
static enum {
INIT,
E0,
// Pause: E1 1D 45, E1 9D C5
E1,
E1_1D,
E1_9D,
} state = INIT;
uint8_t code = xt_host_recv();
if (!code) return 0;
xprintf("%02X ", code);
switch (state) {
case INIT:
switch (code) {
case 0xE0:
state = E0;
break;
case 0xE1:
state = E1;
break;
default:
if (code < 0x80)
matrix_make(code);
else
matrix_break(code & 0x7F);
break;
}
break;
case E0:
switch (code) {
case 0x2A:
case 0xAA:
case 0x36:
case 0xB6:
//ignore fake shift
state = INIT;
break;
default:
if (code < 0x80)
matrix_make(move_e0code(code));
else
matrix_break(move_e0code(code & 0x7F));
state = INIT;
break;
}
break;
case E1:
switch (code) {
case 0x1D:
state = E1_1D;
break;
case 0x9D:
state = E1_9D;
break;
default:
state = INIT;
break;
}
break;
case E1_1D:
switch (code) {
case 0x45:
matrix_make(0x55);
break;
default:
state = INIT;
break;
}
break;
case E1_9D:
switch (code) {
case 0x45:
matrix_break(0x55);
break;
default:
state = INIT;
break;
}
break;
default:
state = INIT;
}
matrix_scan_quantum();
return 1;
}
inline
uint8_t matrix_get_row(uint8_t row)
{
return matrix[row];
}
inline
static void matrix_make(uint8_t code)
{
if (!matrix_is_on(ROW(code), COL(code))) {
matrix[ROW(code)] |= 1<<COL(code);
}
}
inline
static void matrix_break(uint8_t code)
{
if (matrix_is_on(ROW(code), COL(code))) {
matrix[ROW(code)] &= ~(1<<COL(code));
}
}
void matrix_clear(void)
{
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
}
bool matrix_is_on(uint8_t row, uint8_t col)
{
return (matrix_get_row(row) & (1<<col));
}
#if (MATRIX_COLS <= 8)
# define print_matrix_header() print("\nr/c 01234567\n")
# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
#elif (MATRIX_COLS <= 16)
# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
#elif (MATRIX_COLS <= 32)
# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
#endif
void matrix_print(void)
{
print_matrix_header();
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
phex(row); print(": ");
print_matrix_row(row);
print("\n");
}
}
/*
XT Scancodes
============
- http://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/translate.pdf
- https://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/scancode.doc
01-53: Normal codes used in original XT keyboard
54-7F: Not used in original XT keyboard
0 1 2 3 4 5 6 7 8 9 A B C D E F
50 - - - - * * x x x x * * * o o o
60 * * * * x x x x x x x x x x x *
70 x * * x * * x * * x * x * x x *
-: codes existed in original XT keyboard
*: E0-escaped codes converted into unused code area(internal use in TMK)
x: Non-espcaped codes(not used in real keyboards probably, for CodeSet2-CodeSet1 translation purpose)
o: reserved
Usage in TMK:
00 (reserved) DO NOT USE
54 PrintScr*
55 Pause*
56 Euro2
57 F11
58 F12
59 Keypad =
5A LGUI*
5B RGUI*
5C APP*
5D (reserved)
5E (reserved)
5F (reserved)
60 cursor*
61 cursor*
62 cursor*
63 cursor*
64 F13
65 F14
66 F15
67 F16
68 F17
69 F18
6A F19
6B F20
6C F21
6D F22
6E F23
6F Keypad Enter*
70 KANA
71 nav*
72 nav*
73 RO
74 nav*
75 nav*
76 F24
77 nav*
78 nav*
79 HENKAN
7A RCTL*
7B MUHENKAN
7C RALT*
7D JPY
7E Keypad ,
7F Keypad / *
*/

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keyboards/converter/xt_usb/rules.mk Normal file
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# MCU name
MCU = atmega32u4
# Processor frequency.
# This will define a symbol, F_CPU, in all source code files equal to the
# processor frequency in Hz. You can then use this symbol in your source code to
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
# automatically to create a 32-bit value in your source code.
#
# This will be an integer division of F_USB below, as it is sourced by
# F_USB after it has run through any CPU prescalers. Note that this value
# does not *change* the processor frequency - it should merely be updated to
# reflect the processor speed set externally so that the code can use accurate
# software delays.
F_CPU = 16000000
#
# LUFA specific
#
# Target architecture (see library "Board Types" documentation).
ARCH = AVR8
# Input clock frequency.
# This will define a symbol, F_USB, in all source code files equal to the
# input clock frequency (before any prescaling is performed) in Hz. This value may
# differ from F_CPU if prescaling is used on the latter, and is required as the
# raw input clock is fed directly to the PLL sections of the AVR for high speed
# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
# at the end, this will be done automatically to create a 32-bit value in your
# source code.
#
# If no clock division is performed on the input clock inside the AVR (via the
# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
F_USB = $(F_CPU)
# Interrupt driven control endpoint task(+60)
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
# Bootloader
# This indicates which bootloader is present on the board.
# BOOTLOADER = caterina # Pro Micro
BOOTLOADER = halfkay # Teensy
# Build Options
# comment out to disable the options.
#
BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = yes # Console for debug(+400)
COMMAND_ENABLE = yes # Commands for debug and configuration
NKRO_ENABLE = yes # USB Nkey Rollover
XT_ENABLE = yes
CUSTOM_MATRIX = yes
# Optimize size but this may cause error "relocation truncated to fit"
#EXTRALDFLAGS = -Wl,--relax
SRC = matrix.c led.c

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keyboards/converter/xt_usb/xt_usb.c Normal file
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#include "xt_usb.h"

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keyboards/converter/xt_usb/xt_usb.h Normal file
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/*
Copyright 2011,2012,2013 Jun Wako <wakojun@gmail.com>
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "quantum.h"
/* IBM XT keyboard layout
* ,-------. ,--------------------------------------------------------------------------.
* | F1| F2| |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =| BS |NumLck |ScrLck |
* |-------| |--------------------------------------------------------------------------|
* | F3| F4| | Tab | Q| W| E| R| T| Y| U| I| O| P| [| ] | | 7| 8| 9| -|
* |-------| |------------------------------------------------------|Ent|---------------|
* | F5| F6| | Ctrl | A| S| D| F| G| H| J| K| L| ;| '| `| | 4| 5| 6| |
* |-------| |----------------------------------------------------------------------| |
* | F7| F8| |Shif| \| Z| X| C| V| B| N| M| ,| .| /|Shift|PrS| 1| 2| 3| +|
* |-------| |----------------------------------------------------------------------| |
* | F9|F10| | Alt | Space |CapsLck| 0 | . | |
* `-------' `--------------------------------------------------------------------------'
* Scan code set 1
* ,-------. ,--------------------------------------------------------------------------.
* | 3B| 3C| | 01| 02| 03| 04| 05| 06| 07| 08| 09| 0A| 0B| 0C| 0D| 0E | 45 | 46 |
* |-------| |--------------------------------------------------------------------------|
* | 3D| 3E| | 0F | 10| 11| 12| 13| 14| 15| 16| 17| 18| 19| 1A| 1B | | 47| 48| 49| 4A|
* |-------| |------------------------------------------------------| 1C|---------------|
* | 3F| 40| | 1D | 1E| 1F| 20| 21| 22| 23| 24| 25| 26| 27| 28| 29| | 4B| 4C| 4D| |
* |-------| |----------------------------------------------------------------------| |
* | 41| 42| | 2A | 2B| 2C| 2D| 2E| 2F| 30| 31| 32| 33| 34| 35| 36 |*37| 4F| 50| 51| 4E|
* |-------| |----------------------------------------------------------------------| |
* | 43| 44| | 38 | 39 | 3A | 52 | 53 | |
* `-------' `--------------------------------------------------------------------------'
*/
#define LAYOUT_xt( \
K3B,K3C, K01,K02,K03,K04,K05,K06,K07,K08,K09,K0A,K0B,K0C,K0D,K0E, K45, K46, \
K3D,K3E, K0F,K10,K11,K12,K13,K14,K15,K16,K17,K18,K19,K1A,K1B, K47,K48,K49,K4A, \
K3F,K40, K1D,K1E,K1F,K20,K21,K22,K23,K24,K25,K26,K27,K28,K29,K1C,K4B,K4C,K4D, \
K41,K42, K2A,K2B,K2C,K2D,K2E,K2F,K30,K31,K32,K33,K34,K35,K36,K54,K4F,K50,K51,K4E, \
K43,K44, K38, K39, K3A, K52, K53 \
) { \
{ KC_NO, K01, K02, K03, K04, K05, K06, K07 }, \
{ K08, K09, K0A, K0B, K0C, K0D, K0E, K0F }, \
{ K10, K11, K12, K13, K14, K15, K16, K17 }, \
{ K18, K19, K1A, K1B, K1C, K1D, K1E, K1F }, \
{ K20, K21, K22, K23, K24, K25, K26, K27 }, \
{ K28, K29, K2A, K2B, K2C, K2D, K2E, K2F }, \
{ K30, K31, K32, K33, K34, K35, K36, KC_NO }, \
{ K38, K39, K3A, K3B, K3C, K3D, K3E, K3F }, \
{ K40, K41, K42, K43, K44, K45, K46, K47 }, \
{ K48, K49, K4A, K4B, K4C, K4D, K4E, K4F }, \
{ K50, K51, K52, K53, K54, KC_NO, KC_NO, KC_NO }, \
{ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
{ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
{ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
{ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
{ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO } \
}
/* Extended keyboard layout
* ,-----------------------------------------------.
* |F13|F14|F15|F16|F17|F18|F19|F20|F21|F22|F23|F24|
* ,---. |-----------------------------------------------| ,-----------. ,-----------.
* |Esc| |F1 |F2 |F3 |F4 |F5 |F6 |F7 |F8 |F9 |F10|F11|F12| |PrS|ScL|Pau| |VDn|VUp|Mut|
* `---' `-----------------------------------------------' `-----------' `-----------'
* ,-----------------------------------------------------------. ,-----------. ,---------------.
* | `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|JPY|Bsp| |Ins|Hom|PgU| |NmL| /| *| -|
* |-----------------------------------------------------------| |-----------| |---------------|
* |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| \ | |Del|End|PgD| | 7| 8| 9| +|
* |-----------------------------------------------------------| `-----------' |---------------|
* |CapsL | A| S| D| F| G| H| J| K| L| ;| '| #|Entr| | 4| 5| 6|KP,|
* |-----------------------------------------------------------| ,---. |---------------|
* |Shft| <| Z| X| C| V| B| N| M| ,| .| /| RO|Shift | |Up | | 1| 2| 3|Ent|
* |-----------------------------------------------------------| ,-----------. |---------------|
* |Ctl|Gui|Alt|MHEN| Space |HENK|KANA|Alt|Gui|App|Ctl| |Lef|Dow|Rig| | 0| .|KP=|
* `-----------------------------------------------------------' `-----------' `---------------'
* ,-----------------------------------------------.
* | 64| 65| 66| 67| 68| 69| 6A| 6B| 6C| 6D| 6E| 76|
* ,---. |-----------------------------------------------| ,-----------. ,-----------.
* | 01| | 3B| 3C| 3D| 3E| 3F| 40| 41| 42| 43| 44| 57| 58| |*37| 46|*45| |e5E|e5F|e63|
* `---' `-----------------------------------------------' `-----------' `-----------'
* ,-----------------------------------------------------------. ,-----------. ,---------------.
* | 29| 02| 03| 04| 05| 06| 07| 08| 09| 0A| 0B| 0C| 0D| 7D| 0E| |e52|e47|e49| | 45|e35| 37| 4A|
* |-----------------------------------------------------------| |-----------| |---------------|
* | 0F | 10| 11| 12| 13| 14| 15| 16| 17| 18| 19| 1A| 1B| 2B | |e53|e4F|e51| | 47| 48| 49| 4E|
* |-----------------------------------------------------------| `-----------' |---------------|
* | 3A | 1E| 1F| 20| 21| 22| 23| 24| 25| 26| 27| 28| 00| 1C | | 4B| 4C| 4D| 7E|
* |-----------------------------------------------------------| ,---. |---------------|
* | 2A | 56| 2C| 2D| 2E| 2F| 30| 31| 32| 33| 34| 35| 73| 36 | |e48| | 4F| 50| 51|e1C|
* |-----------------------------------------------------------| ,-----------. |---------------|
* | 1D|e5B| 38| 7B | 39 | 79 | 70 |e38|e5C|e5D|e1D| |e4B|e50|e4D| | 52| 53| 59|
* `-----------------------------------------------------------' `-----------' `---------------'
* e: E0-escaped codes
* *: special handling codes
*/
#define LAYOUT( \
K64,K65,K66,K67,K68,K69,K6A,K6B,K6C,K6D,K6E,K76, \
K01, K3B,K3C,K3D,K3E,K3F,K40,K41,K42,K43,K44,K57,K58, K54,K46,K55, K5D,K5E,K5F, \
K29,K02,K03,K04,K05,K06,K07,K08,K09,K0A,K0B,K0C,K0D,K7D,K0E, K71,K74,K77, K45,K7F,K37,K4A, \
K0F,K10,K11,K12,K13,K14,K15,K16,K17,K18,K19,K1A,K1B, K2B, K72,K75,K78, K47,K48,K49,K4E, \
K3A,K1E,K1F,K20,K21,K22,K23,K24,K25,K26,K27,K28, K00,K1C, K4B,K4C,K4D,K7E, \
K2A,K56,K2C,K2D,K2E,K2F,K30,K31,K32,K33,K34,K35, K73,K36, K60, K4F,K50,K51,K6F, \
K1D,K5A,K38,K7B, K39, K79,K70,K7C,K5B,K5C,K7A, K61,K62,K63, K52,K53,K59 \
) { \
{ K00, K01, K02, K03, K04, K05, K06, K07 }, \
{ K08, K09, K0A, K0B, K0C, K0D, K0E, K0F }, \
{ K10, K11, K12, K13, K14, K15, K16, K17 }, \
{ K18, K19, K1A, K1B, K1C, K1D, K1E, K1F }, \
{ K20, K21, K22, K23, K24, K25, K26, K27 }, \
{ K28, K29, K2A, K2B, K2C, K2D, K2E, K2F }, \
{ K30, K31, K32, K33, K34, K35, K36, K37 }, \
{ K38, K39, K3A, K3B, K3C, K3D, K3E, K3F }, \
{ K40, K41, K42, K43, K44, K45, K46, K47 }, \
{ K48, K49, K4A, K4B, K4C, K4D, K4E, K4F }, \
{ K50, K51, K52, K53, K54, K55, K56, K57 }, \
{ K58, K59, K5A, K5B, K5C, K5D, K5E, K5F }, \
{ K60, K61, K62, K63, K64, K65, K66, K67 }, \
{ K68, K69, K6A, K6B, K6C, K6D, K6E, K6F }, \
{ K70, K71, K72, K73, K74, K75, K76, K77 }, \
{ K78, K79, K7A, K7B, K7C, K7D, K7E, K7F } \
}

5
tmk_core/protocol.mk
View file

@ -50,5 +50,10 @@ ifdef ADB_MOUSE_ENABLE
OPT_DEFS += -DADB_MOUSE_ENABLE -DMOUSE_ENABLE
endif
ifdef XT_ENABLE
SRC += $(PROTOCOL_DIR)/xt_interrupt.c
OPT_DEFS += -DXT_ENABLE
endif
# Search Path
VPATH += $(TMK_DIR)/protocol

71
tmk_core/protocol/xt.h Normal file
View file

@ -0,0 +1,71 @@
/*
Copyright 2018 Jun WAKO <wakojun@gmail.com>
Copyright 2016 Ethan Apodaca <papodaca@gmail.com>
This software is licensed with a Modified BSD License.
All of this is supposed to be Free Software, Open Source, DFSG-free,
GPL-compatible, and OK to use in both free and proprietary applications.
Additions and corrections to this file are welcome.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of the copyright holders nor the names of
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef XT_H
#define XT_H
#define XT_DATA_IN() do { \
XT_DATA_DDR &= ~(1<<XT_DATA_BIT); \
XT_DATA_PORT |= (1<<XT_DATA_BIT); \
} while (0)
#define XT_DATA_READ() (XT_DATA_PIN&(1<<XT_DATA_BIT))
#define XT_DATA_LO() do { \
XT_DATA_PORT &= ~(1<<XT_DATA_BIT); \
XT_DATA_DDR |= (1<<XT_DATA_BIT); \
} while (0)
#define XT_CLOCK_IN() do { \
XT_CLOCK_DDR &= ~(1<<XT_CLOCK_BIT); \
XT_CLOCK_PORT |= (1<<XT_CLOCK_BIT); \
} while (0)
#define XT_CLOCK_READ() (XT_CLOCK_PIN&(1<<XT_CLOCK_BIT))
#define XT_CLOCK_LO() do { \
XT_CLOCK_PORT &= ~(1<<XT_CLOCK_BIT); \
XT_CLOCK_DDR |= (1<<XT_CLOCK_BIT); \
} while (0)
void xt_host_init(void);
uint8_t xt_host_recv(void);
#endif

173
tmk_core/protocol/xt_interrupt.c Normal file
View file

@ -0,0 +1,173 @@
/*
Copyright 2018 Jun WAKO <wakojun@gmail.com>
Copyright 2016 Ethan Apodaca <papodaca@gmail.com>
This software is licensed with a Modified BSD License.
All of this is supposed to be Free Software, Open Source, DFSG-free,
GPL-compatible, and OK to use in both free and proprietary applications.
Additions and corrections to this file are welcome.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of the copyright holders nor the names of
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdbool.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include "xt.h"
#include "wait.h"
#include "print.h"
static inline uint8_t pbuf_dequeue(void);
static inline void pbuf_enqueue(uint8_t data);
static inline bool pbuf_has_data(void);
static inline void pbuf_clear(void);
void xt_host_init(void)
{
XT_INT_INIT();
XT_INT_OFF();
/* hard reset */
#ifdef XT_RESET
XT_RESET();
#endif
/* soft reset: pull clock line down for 20ms */
XT_DATA_LO();
XT_CLOCK_LO();
_delay_ms(20);
/* input mode with pullup */
XT_CLOCK_IN();
XT_DATA_IN();
XT_INT_ON();
}
/* get data received by interrupt */
uint8_t xt_host_recv(void)
{
if (pbuf_has_data()) {
return pbuf_dequeue();
} else {
return 0;
}
}
ISR(XT_INT_VECT)
{
/*
* XT signal format consits of 10 or 9 clocks and sends start bits and 8-bit data,
* which should be read on falling edge of clock.
*
* start(0), start(1), bit0, bit1, bit2, bit3, bit4, bit5, bit6, bit7
*
* Original IBM XT keyboard sends start(0) bit while some of clones don't.
* Start(0) bit is read as low on data line while start(1) as high.
*
* https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-XT-Keyboard-Protocol
*/
static enum {
START, BIT0, BIT1, BIT2, BIT3, BIT4, BIT5, BIT6, BIT7
} state = START;
static uint8_t data = 0;
uint8_t dbit = XT_DATA_READ();
// This is needed if using PCINT which can be called on both falling and rising edge
//if (XT_CLOCK_READ()) return;
switch (state) {
case START:
// ignore start(0) bit
if (!dbit) return;
break;
case BIT0 ... BIT7:
data >>= 1;
if (dbit)
data |= 0x80;
break;
}
if (state++ == BIT7) {
pbuf_enqueue(data);
state = START;
data = 0;
}
return;
}
/*--------------------------------------------------------------------
* Ring buffer to store scan codes from keyboard
*------------------------------------------------------------------*/
#define PBUF_SIZE 32
static uint8_t pbuf[PBUF_SIZE];
static uint8_t pbuf_head = 0;
static uint8_t pbuf_tail = 0;
static inline void pbuf_enqueue(uint8_t data)
{
uint8_t sreg = SREG;
cli();
uint8_t next = (pbuf_head + 1) % PBUF_SIZE;
if (next != pbuf_tail) {
pbuf[pbuf_head] = data;
pbuf_head = next;
} else {
print("pbuf: full\n");
}
SREG = sreg;
}
static inline uint8_t pbuf_dequeue(void)
{
uint8_t val = 0;
uint8_t sreg = SREG;
cli();
if (pbuf_head != pbuf_tail) {
val = pbuf[pbuf_tail];
pbuf_tail = (pbuf_tail + 1) % PBUF_SIZE;
}
SREG = sreg;
return val;
}
static inline bool pbuf_has_data(void)
{
uint8_t sreg = SREG;
cli();
bool has_data = (pbuf_head != pbuf_tail);
SREG = sreg;
return has_data;
}
static inline void pbuf_clear(void)
{
uint8_t sreg = SREG;
cli();
pbuf_head = pbuf_tail = 0;
SREG = sreg;
}