Keyboard: Port of TMK XT USB Converter (#3619)
* 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
Drashna Jaelre
parent
bf57587e62
commit
6d7745a110
12 changed files with 926 additions and 0 deletions
17
keyboards/converter/xt_usb/README.md
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17
keyboards/converter/xt_usb/README.md
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XT to USB keyboard converter
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==============================
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This is a port of TMK's converter/xt_usb to QMK.
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This firmware converts XT keyboard protocol to USB.(It supports Scan Code Set 1.)
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Connect Wires
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-------------
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1. Connect **Vcc** and **GND**.
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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`.
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3. You need pull-up resistor. **1K-10K Ohm** will be OK.
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XT keyboard protocol resource
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------------------------------
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https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-XT-Keyboard-Protocol
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78
keyboards/converter/xt_usb/config.h
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78
keyboards/converter/xt_usb/config.h
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/*
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Copyright 2012 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#define VENDOR_ID 0xFEED
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#define PRODUCT_ID 0x6512
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#define DEVICE_VER 0x0001
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#define MANUFACTURER QMK
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#define PRODUCT XT keyboard converter
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#define DESCRIPTION convert XT keyboard to USB
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/* matrix size */
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#define MATRIX_ROWS 16 // keycode bit: 3-0
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#define MATRIX_COLS 8 // keycode bit: 6-4
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/* key combination for command */
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#define IS_COMMAND() ( \
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keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) || \
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keyboard_report->mods == (MOD_BIT(KC_LCTRL) | MOD_BIT(KC_RSHIFT)) \
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)
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//#define NO_SUSPEND_POWER_DOWN
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/*
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* XT Pin interrupt
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*/
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#define XT_CLOCK_PORT PORTD
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#define XT_CLOCK_PIN PIND
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#define XT_CLOCK_DDR DDRD
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#define XT_CLOCK_BIT 1
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#define XT_DATA_PORT PORTD
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#define XT_DATA_PIN PIND
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#define XT_DATA_DDR DDRD
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#define XT_DATA_BIT 0
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#define XT_RST_PORT PORTB
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#define XT_RST_PIN PINB
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#define XT_RST_DDR DDRB
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#define XT_RST_BIT 7
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/* hard reset: low pulse for 500ms and after that HiZ for safety */
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#define XT_RESET() do { \
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XT_RST_PORT &= ~(1<<XT_RST_BIT); \
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XT_RST_DDR |= (1<<XT_RST_BIT); \
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_delay_ms(500); \
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XT_RST_DDR &= ~(1<<XT_RST_BIT); \
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} while (0)
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/* INT1 for falling edge of clock line */
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#define XT_INT_INIT() do { \
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EICRA |= ((1<<ISC11) | \
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(0<<ISC10)); \
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} while (0)
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/* clears flag and enables interrupt */
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#define XT_INT_ON() do { \
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EIFR |= (1<<INTF1); \
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EIMSK |= (1<<INT1); \
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} while (0)
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#define XT_INT_OFF() do { \
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EIMSK &= ~(1<<INT1); \
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} while (0)
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#define XT_INT_VECT INT1_vect
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1
keyboards/converter/xt_usb/keymaps/default/config.h
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1
keyboards/converter/xt_usb/keymaps/default/config.h
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#pragma once
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55
keyboards/converter/xt_usb/keymaps/default/keymap.c
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55
keyboards/converter/xt_usb/keymaps/default/keymap.c
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#include QMK_KEYBOARD_H
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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/* IBM XT keyboard layout
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* ,-------. ,--------------------------------------------------------------------------.
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* | F1| F2| |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =| BS |NumLck |ScrLck |
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* |-------| |--------------------------------------------------------------------------|
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* | F3| F4| | Tab | Q| W| E| R| T| Y| U| I| O| P| [| ] | | 7| 8| 9| -|
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* |-------| |------------------------------------------------------|Ent|---------------|
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* | F5| F6| | Ctrl | A| S| D| F| G| H| J| K| L| ;| '| `| | 4| 5| 6| |
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* |-------| |----------------------------------------------------------------------| |
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* | F7| F8| |Shif| \| Z| X| C| V| B| N| M| ,| .| /|Shift|PrS| 1| 2| 3| +|
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* |-------| |----------------------------------------------------------------------| |
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* | F9|F10| | Alt | Space |CapsLck| 0 | . | |
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* `-------' `--------------------------------------------------------------------------'
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*/
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LAYOUT_xt( \
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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,
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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,
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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,
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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,
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KC_F9, KC_F10, KC_LALT, KC_SPC, KC_CAPS, KC_P0, KC_PDOT
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),
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/* Extended keyboard layout
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* ,-----------------------------------------------.
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* |F13|F14|F15|F16|F17|F18|F19|F20|F21|F22|F23|F24|
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* ,---. |-----------------------------------------------| ,-----------. ,-----------.
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* |Esc| |F1 |F2 |F3 |F4 |F5 |F6 |F7 |F8 |F9 |F10|F11|F12| |PrS|ScL|Pau| |VDn|VUp|Mut|
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* `---' `-----------------------------------------------' `-----------' `-----------'
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* ,-----------------------------------------------------------. ,-----------. ,---------------.
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* | `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|JPY|Bsp| |Ins|Hom|PgU| |NmL| /| *| -|
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* |-----------------------------------------------------------| |-----------| |---------------|
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* |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| \ | |Del|End|PgD| | 7| 8| 9| +|
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* |-----------------------------------------------------------| `-----------' |---------------|
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* |CapsL | A| S| D| F| G| H| J| K| L| ;| '| #|Entr| | 4| 5| 6|KP,|
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* |-----------------------------------------------------------| ,---. |---------------|
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* |Shft| <| Z| X| C| V| B| N| M| ,| .| /| RO|Shift | |Up | | 1| 2| 3|KP=|
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* |-----------------------------------------------------------| ,-----------. |---------------|
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* |Ctl|Gui|Alt|MHEN| Space |HENK|KANA|Alt|Gui|App|Ctl| |Lef|Dow|Rig| | 0| .|Ent|
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* `-----------------------------------------------------------' `-----------' `---------------'
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*/
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/* Try this if your keyboad has exotic keys.
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LAYOUT(
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KC_F13, KC_F14, KC_F15, KC_F16, KC_F17, KC_F18, KC_F19, KC_F20, KC_F21, KC_F22, KC_F23, KC_F24,
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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,
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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,
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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,
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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,
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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,
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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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),
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*/
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};
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22
keyboards/converter/xt_usb/led.c
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22
keyboards/converter/xt_usb/led.c
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/*
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Copyright 2016 Ethan Apodaca <papodaca@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "led.h"
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void led_set(uint8_t usb_led) {
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//XT Keyboards do not have LEDs, nothing to do.
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}
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309
keyboards/converter/xt_usb/matrix.c
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309
keyboards/converter/xt_usb/matrix.c
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/*
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Copyright 2011 Jun Wako <wakojun@gmail.com>
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Copyright 2016 Ethan Apodaca <papodaca@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include "action.h"
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#include "print.h"
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#include "util.h"
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#include "debug.h"
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#include "xt.h"
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#include "matrix.h"
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static void matrix_make(uint8_t code);
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static void matrix_break(uint8_t code);
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static uint8_t matrix[MATRIX_ROWS];
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#define ROW(code) (code>>3)
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#define COL(code) (code&0x07)
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__attribute__ ((weak))
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void matrix_init_kb(void) {
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matrix_init_user();
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}
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__attribute__ ((weak))
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void matrix_scan_kb(void) {
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matrix_scan_user();
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}
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__attribute__ ((weak))
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void matrix_init_user(void) {
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}
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__attribute__ ((weak))
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void matrix_scan_user(void) {
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}
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void matrix_init(void)
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{
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debug_enable = true;
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xt_host_init();
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// initialize matrix state: all keys off
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for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
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matrix_init_quantum();
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}
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// convert E0-escaped codes into unused area
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static uint8_t move_e0code(uint8_t code) {
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switch(code) {
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// Original IBM XT keyboard has these keys
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case 0x37: return 0x54; // Print Screen
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case 0x46: return 0x55; // Ctrl + Pause
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case 0x1C: return 0x6F; // Keypad Enter
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case 0x35: return 0x7F; // Keypad /
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// Any XT keyobard with these keys?
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// http://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/translate.pdf
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// https://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/scancode.doc
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case 0x5B: return 0x5A; // Left GUI
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case 0x5C: return 0x5B; // Right GUI
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case 0x5D: return 0x5C; // Application
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case 0x5E: return 0x5D; // Power(not used)
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case 0x5F: return 0x5E; // Sleep(not used)
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case 0x63: return 0x5F; // Wake (not used)
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case 0x48: return 0x60; // Up
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case 0x4B: return 0x61; // Left
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case 0x50: return 0x62; // Down
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case 0x4D: return 0x63; // Right
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case 0x52: return 0x71; // Insert
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case 0x53: return 0x72; // Delete
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case 0x47: return 0x74; // Home
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case 0x4F: return 0x75; // End
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case 0x49: return 0x77; // Home
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case 0x51: return 0x78; // End
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case 0x1D: return 0x7A; // Right Ctrl
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case 0x38: return 0x7C; // Right Alt
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}
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return 0x00;
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}
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uint8_t matrix_scan(void)
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{
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static enum {
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INIT,
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E0,
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// Pause: E1 1D 45, E1 9D C5
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E1,
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E1_1D,
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E1_9D,
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} state = INIT;
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uint8_t code = xt_host_recv();
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if (!code) return 0;
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xprintf("%02X ", code);
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switch (state) {
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case INIT:
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switch (code) {
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case 0xE0:
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state = E0;
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break;
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case 0xE1:
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state = E1;
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break;
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default:
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if (code < 0x80)
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||||||
|
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 / *
|
||||||
|
|
||||||
|
*/
|
||||||
62
keyboards/converter/xt_usb/rules.mk
Normal file
62
keyboards/converter/xt_usb/rules.mk
Normal file
|
|
@ -0,0 +1,62 @@
|
||||||
|
# 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
|
||||||
1
keyboards/converter/xt_usb/xt_usb.c
Normal file
1
keyboards/converter/xt_usb/xt_usb.c
Normal file
|
|
@ -0,0 +1 @@
|
||||||
|
#include "xt_usb.h"
|
||||||
132
keyboards/converter/xt_usb/xt_usb.h
Normal file
132
keyboards/converter/xt_usb/xt_usb.h
Normal file
|
|
@ -0,0 +1,132 @@
|
||||||
|
/*
|
||||||
|
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 } \
|
||||||
|
}
|
||||||
|
|
@ -50,5 +50,10 @@ ifdef ADB_MOUSE_ENABLE
|
||||||
OPT_DEFS += -DADB_MOUSE_ENABLE -DMOUSE_ENABLE
|
OPT_DEFS += -DADB_MOUSE_ENABLE -DMOUSE_ENABLE
|
||||||
endif
|
endif
|
||||||
|
|
||||||
|
ifdef XT_ENABLE
|
||||||
|
SRC += $(PROTOCOL_DIR)/xt_interrupt.c
|
||||||
|
OPT_DEFS += -DXT_ENABLE
|
||||||
|
endif
|
||||||
|
|
||||||
# Search Path
|
# Search Path
|
||||||
VPATH += $(TMK_DIR)/protocol
|
VPATH += $(TMK_DIR)/protocol
|
||||||
|
|
|
||||||
71
tmk_core/protocol/xt.h
Normal file
71
tmk_core/protocol/xt.h
Normal 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
173
tmk_core/protocol/xt_interrupt.c
Normal 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;
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue