diff options
| -rw-r--r-- | keyboards/handwired/lagrange/config.h | 48 | ||||
| -rw-r--r-- | keyboards/handwired/lagrange/info.json | 21 | ||||
| -rw-r--r-- | keyboards/handwired/lagrange/keymaps/default/keymap.c | 50 | ||||
| -rw-r--r-- | keyboards/handwired/lagrange/keymaps/dpapavas/config.h | 23 | ||||
| -rw-r--r-- | keyboards/handwired/lagrange/keymaps/dpapavas/keymap.c | 202 | ||||
| -rw-r--r-- | keyboards/handwired/lagrange/keymaps/dpapavas/rules.mk | 4 | ||||
| -rw-r--r-- | keyboards/handwired/lagrange/lagrange.c | 59 | ||||
| -rw-r--r-- | keyboards/handwired/lagrange/lagrange.h | 53 | ||||
| -rw-r--r-- | keyboards/handwired/lagrange/readme.md | 21 | ||||
| -rw-r--r-- | keyboards/handwired/lagrange/rules.mk | 27 | ||||
| -rw-r--r-- | keyboards/handwired/lagrange/transport.c | 175 |
11 files changed, 683 insertions, 0 deletions
diff --git a/keyboards/handwired/lagrange/config.h b/keyboards/handwired/lagrange/config.h new file mode 100644 index 0000000000..309603ad39 --- /dev/null +++ b/keyboards/handwired/lagrange/config.h @@ -0,0 +1,48 @@ +/* Copyright 2020 Dimitris Papavasiliou <dpapavas@protonmail.ch> + * + * 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 3 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 <https://www.gnu.org/licenses/>. + */ + +#pragma once + +#include "config_common.h" + +/* USB Device descriptor parameter */ +#define VENDOR_ID 0xFEED +#define PRODUCT_ID 0x2718 +#define DEVICE_VER 0x0001 +#define MANUFACTURER Dimitris Papavasiliou +#define PRODUCT Lagrange + +#define EE_HANDS +#define SPLIT_USB_DETECT + +/* key matrix size */ +#define MATRIX_ROWS 14 +#define MATRIX_COLS 6 + +/* pin-out */ +#define MATRIX_ROW_PINS { E6, F1, F0, F4, F5, F6, F7 } +#define MATRIX_COL_PINS { B4, B5, D7, B6, C6, D6 } +#define MATRIX_ROW_PINS_RIGHT { B5, B4, D7, B6, C6, D6, D4 } +#define MATRIX_COL_PINS_RIGHT { C7, F7, F6, F5, F4, F1 } +#define UNUSED_PINS + +/* COL2ROW or ROW2COL */ +#define DIODE_DIRECTION ROW2COL + +#define DEBOUNCE 5 + +#define LED_CAPS_LOCK_PIN D1 +#define LED_SCROLL_LOCK_PIN D2 diff --git a/keyboards/handwired/lagrange/info.json b/keyboards/handwired/lagrange/info.json new file mode 100644 index 0000000000..29ee0a5e6d --- /dev/null +++ b/keyboards/handwired/lagrange/info.json @@ -0,0 +1,21 @@ +{ + "keyboard_name": "Lagrange", + "url": "https://github.com/dpapavas/lagrange-keyboard", + "maintainer": "dpapavas", + "width": 19, + "height": 8.5, + "layouts": { + "LAYOUT": { + "layout": [ + {"x":0, "y":0.75, "w":1.5}, {"x":1.5, "y":0.75}, {"x":2.5, "y":0.375}, {"x":3.5, "y":0}, {"x":4.5, "y":0.5}, {"x":5.5, "y":0.5}, {"x":12.5, "y":0.5}, {"x":13.5, "y":0.5}, {"x":14.5, "y":0}, {"x":15.5, "y":0.375}, {"x":16.5, "y":0.75}, {"x":17.5, "y":0.75, "w":1.5}, + {"x":0, "y":1.75, "w":1.5}, {"x":1.5, "y":1.75}, {"x":2.5, "y":1.375}, {"x":3.5, "y":1}, {"x":4.5, "y":1.5}, {"x":5.5, "y":1.5}, {"x":12.5, "y":1.5}, {"x":13.5, "y":1.5}, {"x":14.5, "y":1}, {"x":15.5, "y":1.375}, {"x":16.5, "y":1.75}, {"x":17.5, "y":1.75, "w":1.5}, + {"x":0, "y":2.75, "w":1.5}, {"x":1.5, "y":2.75}, {"x":2.5, "y":2.375}, {"x":3.5, "y":2}, {"x":4.5, "y":2.5}, {"x":5.5, "y":2.5}, {"x":12.5, "y":2.5}, {"x":13.5, "y":2.5}, {"x":14.5, "y":2}, {"x":15.5, "y":2.375}, {"x":16.5, "y":2.75}, {"x":17.5, "y":2.75, "w":1.5}, + {"x":0, "y":3.75, "w":1.5}, {"x":1.5, "y":3.75}, {"x":2.5, "y":3.375}, {"x":3.5, "y":3}, {"x":4.5, "y":3.5}, {"x":5.5, "y":3.5}, {"x":12.5, "y":3.5}, {"x":13.5, "y":3.5}, {"x":14.5, "y":3}, {"x":15.5, "y":3.375}, {"x":16.5, "y":3.75}, {"x":17.5, "y":3.75, "w":1.5}, + {"x":0, "y":4.75, "w":1.5}, {"x":2.5, "y":4.375}, {"x":3.5, "y":4}, {"x":14.5, "y":4}, {"x":15.5, "y":4.5}, {"x":17.5, "y":4.75, "w":1.5}, + {"x":5, "y":5, "h":1.25}, {"x":6, "y":5, "h":1.5}, {"x":7, "y":5, "h":1.5}, {"x":8, "y":5.5}, {"x":10, "y":5.5}, {"x":11, "y":5, "h":1.5}, {"x":12, "y":5, "h":1.5}, {"x":13, "y":5, "h":1.25}, + {"x":5, "y":7}, {"x":6, "y":6.5}, {"x":7, "y":7}, {"x":11, "y":7}, {"x":12, "y":6.5}, {"x":13, "y":7}, + {"x":6, "y":7.5}, {"x":12, "y":7.5} + ] + } + } +} diff --git a/keyboards/handwired/lagrange/keymaps/default/keymap.c b/keyboards/handwired/lagrange/keymaps/default/keymap.c new file mode 100644 index 0000000000..5f86239a0b --- /dev/null +++ b/keyboards/handwired/lagrange/keymaps/default/keymap.c @@ -0,0 +1,50 @@ +/* Copyright 2020 Dimitris Papavasiliou <dpapavas@protonmail.ch> + * + * 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 3 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 <https://www.gnu.org/licenses/>. + */ + +#include QMK_KEYBOARD_H + +#define EQL_ALT MT(MOD_RALT, KC_EQL) +#define MINS_ALT MT(MOD_LALT, KC_MINS) +#define HOME_GUI MT(MOD_LGUI, KC_HOME) +#define RGHT_GUI MT(MOD_RGUI, KC_RGHT) + +const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { + [0] = LAYOUT( + /* Left hand */ /* Right hand */ + + KC_GESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, TT(1), + KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSLS, + 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_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, + + KC_LCPO, KC_INS, KC_LBRC, MINS_ALT, KC_BSPC, KC_DEL, KC_PSCR, KC_PAUSE, KC_ENT, KC_SPC, EQL_ALT, KC_RBRC, KC_DEL, KC_RCPC, + HOME_GUI, KC_PGUP, KC_END, KC_LEFT, KC_UP, RGHT_GUI, + KC_PGDN, KC_DOWN + ), + + [1] = LAYOUT( + /* Left hand */ /* Right hand */ + + KC_TRNS, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_TRNS, + KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_F11, + KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_F12, + KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, + + KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, RESET, RESET, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, + KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, + KC_TRNS, KC_TRNS + ), +}; diff --git a/keyboards/handwired/lagrange/keymaps/dpapavas/config.h b/keyboards/handwired/lagrange/keymaps/dpapavas/config.h new file mode 100644 index 0000000000..049ba598a9 --- /dev/null +++ b/keyboards/handwired/lagrange/keymaps/dpapavas/config.h @@ -0,0 +1,23 @@ +/* Copyright 2020 Dimitris Papavasiliou <dpapavas@protonmail.ch> + * + * 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 3 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 <https://www.gnu.org/licenses/>. + */ + +#pragma once + +#undef TAPPING_TERM +#define TAPPING_TERM 175 +#define TAPPING_TERM_PER_KEY +#define PERMISSIVE_HOLD_PER_KEY +#define IGNORE_MOD_TAP_INTERRUPT diff --git a/keyboards/handwired/lagrange/keymaps/dpapavas/keymap.c b/keyboards/handwired/lagrange/keymaps/dpapavas/keymap.c new file mode 100644 index 0000000000..bbcb83913f --- /dev/null +++ b/keyboards/handwired/lagrange/keymaps/dpapavas/keymap.c @@ -0,0 +1,202 @@ +/* Copyright 2020 Dimitris Papavasiliou <dpapavas@protonmail.ch> + * + * 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 3 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 <https://www.gnu.org/licenses/>. + */ + +#include QMK_KEYBOARD_H + +#define CAPS_SFT MT(MOD_LSFT, KC_CAPS) +#define QUOT_SFT MT(MOD_RSFT, KC_QUOT) +#define PSCR_SFT MT(MOD_LSFT, KC_PSCR) +#define PAUSE_SFT MT(MOD_RSFT, KC_PAUSE) +#define F_SFT MT(MOD_LSFT, KC_F) +#define J_SFT MT(MOD_RSFT, KC_J) +#define PGUP_GUI MT(MOD_LGUI, KC_PGUP) +#define END_GUI MT(MOD_LGUI, KC_END) +#define UP_GUI MT(MOD_RGUI, KC_UP) +#define LEFT_GUI MT(MOD_RGUI, KC_LEFT) +#define EQL_CTL MT(MOD_RCTL, KC_EQL) +#define MINS_CTL MT(MOD_LCTL, KC_MINS) +#define BSPC_ALT LALT_T(KC_BSPC) +#define ENT_ALT LALT_T(KC_ENT) +#define SPC_ALT RALT_T(KC_SPC) +#define DEL_ALT RALT_T(KC_DEL) + +enum tapdance_keycodes { + TD_LEFT, + TD_RGHT, + TD_C_X +}; + +const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { + [0] = LAYOUT( + /* Left hand */ /* Right hand */ + + KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_ESC, + KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSLS, + CAPS_SFT, KC_A, KC_S, KC_D, F_SFT, KC_G, KC_H, J_SFT, KC_K, KC_L, KC_SCLN, QUOT_SFT, + PSCR_SFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, PAUSE_SFT, + + TD(TD_LEFT), KC_INS, KC_LBRC, MINS_CTL, BSPC_ALT, DEL_ALT, TD(TD_C_X), TD(TD_C_X), ENT_ALT, SPC_ALT, EQL_CTL, KC_RBRC, KC_DEL, TD(TD_RGHT), + KC_HOME, PGUP_GUI, END_GUI, LEFT_GUI, UP_GUI, KC_RGHT, + KC_PGDN, KC_DOWN + ), + + [1] = LAYOUT( + /* Left hand */ /* Right hand */ + + KC_TRNS, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_TRNS, + KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_F11, + KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_F12, + KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, + + KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, RESET, RESET, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, + KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, + KC_TRNS, KC_TRNS + ), +}; + +/* The following helper macros define tap dances that support + * separated press, release, tap and double-tap functions. */ + +#define STEPS(DANCE) [DANCE] = ACTION_TAP_DANCE_FN_ADVANCED( \ + NULL, \ + dance_ ## DANCE ## _finished, \ + dance_ ## DANCE ## _reset) + +#define CHOREOGRAPH(DANCE, PRESS, RELEASE, TAP, DOUBLETAP) \ + static bool dance_ ## DANCE ## _pressed; \ + \ + void dance_ ## DANCE ## _finished(qk_tap_dance_state_t *state, void *user_data) { \ + if (state->count == 1) { \ + if (state->pressed) { \ + dance_ ## DANCE ## _pressed = true; \ + PRESS; \ + } else { \ + TAP; \ + } \ + } else if (state->count == 2) { \ + if (!state->pressed) { \ + DOUBLETAP; \ + } \ + } \ + } \ + \ + void dance_ ## DANCE ## _reset(qk_tap_dance_state_t *state, void *user_data) { \ + if (state->count == 1) { \ + if (dance_ ## DANCE ## _pressed) { \ + RELEASE; \ + dance_ ## DANCE ## _pressed = false; \ + } \ + } \ + } + +/* Define dance for left palm key. */ + +CHOREOGRAPH(TD_LEFT, + layer_invert(1), /* Temporarily toggle layer when held. */ + layer_invert(1), + + /* Press and release both shifts on tap, to change + * keyboard layout (i.e. language). */ + + SEND_STRING(SS_DOWN(X_LSFT) SS_DOWN(X_RSFT) + SS_UP(X_LSFT) SS_UP(X_RSFT)), + + layer_invert(1)); /* Toggle layer (permanently) on + * double-tap. */ + +/* Define dance for right palm key. */ + +CHOREOGRAPH(TD_RGHT, + layer_invert(1), /* Same as above */ + layer_invert(1), + /* Send a complex macro: C-x C-s Mod-t up. (Save in + * Emacs, switch to terminal and recall previous command, + * hopefully a compile command.) */ + SEND_STRING(SS_DOWN(X_LCTRL) SS_TAP(X_X) SS_TAP(X_S) SS_UP(X_LCTRL) + SS_DOWN(X_LGUI) SS_TAP(X_T) SS_UP(X_LGUI) SS_TAP(X_UP)), + layer_invert(1)); + +/* This facilitates C-x chords in Emacs. Used as a modifier along + * with, say, the s-key, it saves, by sending C-x C-s. When tapped it + * just sends C-x. */ + +CHOREOGRAPH(TD_C_X, + SEND_STRING(SS_DOWN(X_LCTRL) SS_TAP(X_X)), + SEND_STRING(SS_UP(X_LCTRL)), + SEND_STRING(SS_DOWN(X_LCTRL) SS_TAP(X_X) SS_UP(X_LCTRL)),); + +qk_tap_dance_action_t tap_dance_actions[] = { + STEPS(TD_LEFT), STEPS(TD_RGHT), STEPS(TD_C_X) +}; + +/* Set a longer tapping term for palm keys to allow comfortable + * permanent layer toggle. Also set an essentially infinite tapping + * term for certain mod-tap keys one tends to keep pressed (such as + * space, backspace, etc.). This prevents sending the modifier + * keycode by accident (allowing re-tap to get repeated key-press) + * and, in combination with permissive hold, they can still be used + * fine as modifiers. */ + +uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record) { + switch (keycode) { + case TD(TD_LEFT): + case TD(TD_RGHT): + return 250; + case BSPC_ALT: + case UP_GUI: + case LEFT_GUI: + return 5000; + default: + return TAPPING_TERM; + } +} + +bool get_permissive_hold(uint16_t keycode, keyrecord_t *record) { + switch (keycode) { + case TD(TD_LEFT): + case TD(TD_RGHT): + case BSPC_ALT: + case UP_GUI: + case LEFT_GUI: + return true; + default: + return false; + } +} + +/* Use the first LED to indicate the active layer. */ + +layer_state_t layer_state_set_user(layer_state_t state) { + writePin(D0, (get_highest_layer(state) > 0)); + + return state; +} + +/* Cycle through the LEDs after initialization. */ + +void keyboard_post_init_user(void) { + const pin_t pins[] = {D0, D1, D2}; + uint8_t i, j; + + for (i = 0 ; i < sizeof(pins) / sizeof(pins[0]) + 2 ; i += 1) { + for (j = 0 ; j < sizeof(pins) / sizeof(pins[0]) ; j += 1) { + setPinOutput(pins[j]); + writePin(pins[j], (j == i || j == i - 1)); + } + + wait_ms(100); + } +} diff --git a/keyboards/handwired/lagrange/keymaps/dpapavas/rules.mk b/keyboards/handwired/lagrange/keymaps/dpapavas/rules.mk new file mode 100644 index 0000000000..42f42f627a --- /dev/null +++ b/keyboards/handwired/lagrange/keymaps/dpapavas/rules.mk @@ -0,0 +1,4 @@ +# Enable additional features. + +DEBOUNCE_TYPE = sym_defer_pk +TAP_DANCE_ENABLE = yes diff --git a/keyboards/handwired/lagrange/lagrange.c b/keyboards/handwired/lagrange/lagrange.c new file mode 100644 index 0000000000..0c76512c57 --- /dev/null +++ b/keyboards/handwired/lagrange/lagrange.c @@ -0,0 +1,59 @@ +/* Copyright 2020 Dimitris Papavasiliou <dpapavas@protonmail.ch> + * + * 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 3 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 <https://www.gnu.org/licenses/>. + */ + +#include <LUFA/Drivers/USB/USB.h> + +#include "lagrange.h" + +#ifndef SPLIT_USB_TIMEOUT_POLL +# define SPLIT_USB_TIMEOUT_POLL 10 +#endif + +/* Instead of timing out, the slave waits indefinitely for the other + * side to signal that it has become master. This avoids both sides + * assuming the slave role when the USB port is powered but not + * otherwise active (e.g. when the host is turned off, or suspended). + * The SPI SS line is used for signaling. On power-up it is + * configured as input with pull-up enabled. When one side assumes + * the master role, it reconfigures the line for SPI, and pulls it low + * to select the slave, which doubles as the signal. */ + +bool is_keyboard_master(void) { + static int8_t is_master = -1; + + if (is_master < 0) { + while (readPin(SPI_SS_PIN)) { + if (USB_Device_IsAddressSet()) { + is_master = 1; + return is_master; + } + wait_ms(SPLIT_USB_TIMEOUT_POLL); + } + + is_master = 0; + + USB_Disable(); + USB_DeviceState = DEVICE_STATE_Unattached; + } + + return is_master; +} + +void keyboard_pre_init_kb(void) { + setPinInputHigh(SPI_SS_PIN); + + keyboard_pre_init_user(); +} diff --git a/keyboards/handwired/lagrange/lagrange.h b/keyboards/handwired/lagrange/lagrange.h new file mode 100644 index 0000000000..6f808ba8e4 --- /dev/null +++ b/keyboards/handwired/lagrange/lagrange.h @@ -0,0 +1,53 @@ +/* Copyright 2020 Dimitris Papavasiliou <dpapavas@protonmail.ch> + * + * 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 3 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 <https://www.gnu.org/licenses/>. + */ + +#pragma once + +#include "quantum.h" + +#if !defined(SPI_SS_PIN) +# define SPI_SS_PIN B0 +#endif + +#define SPI_SCK_PIN B1 +#define SPI_MOSI_PIN B2 +#define SPI_MISO_PIN B3 + +#define LAYOUT( \ + l00, l01, l02, l03, l04, l05, r05, r04, r03, r02, r01, r00, \ + l10, l11, l12, l13, l14, l15, r15, r14, r13, r12, r11, r10, \ + l20, l21, l22, l23, l24, l25, r25, r24, r23, r22, r21, r20, \ + l30, l31, l32, l33, l34, l35, r35, r34, r33, r32, r31, r30, \ + l40, l42, l43, l44, l45, l46, l47, r47, r46, r45, r44, r43, r42, r40, \ + l50, l51, l52, r52, r51, r50, \ + l70, r70) \ + { \ + {l00, l01, l02, l03, l04, l05}, \ + {l10, l11, l12, l13, l14, l15}, \ + {l20, l21, l22, l23, l24, l25}, \ + {l30, l31, l32, l33, l34, l35}, \ + {l40, KC_NO, l42, l43, l44, l45}, \ + {KC_NO, KC_NO, KC_NO, l50, l51, l46}, \ + {KC_NO, KC_NO, KC_NO, l70, l52, l47}, \ + \ + {r00, r01, r02, r03, r04, r05}, \ + {r10, r11, r12, r13, r14, r15}, \ + {r20, r21, r22, r23, r24, r25}, \ + {r30, r31, r32, r33, r34, r35}, \ + {r40, KC_NO, r42, r43, r44, r45}, \ + {KC_NO, KC_NO, KC_NO, r50, r51, r46}, \ + {KC_NO, KC_NO, KC_NO, r70, r52, r47} \ + } diff --git a/keyboards/handwired/lagrange/readme.md b/keyboards/handwired/lagrange/readme.md new file mode 100644 index 0000000000..5d7f5bb08e --- /dev/null +++ b/keyboards/handwired/lagrange/readme.md @@ -0,0 +1,21 @@ +# Lagrange + +An ergonomic, split, concave keyboard, with convex thumb pads. See the [project page](https://github.com/dpapavas/lagrange-keyboard) for more info. + + + +* Keyboard Maintainer: [Dimitris Papavasiliou](https://github.com/dpapavas) +* Hardware Supported: Lagrange PCB Rev A +* Hardware Availability: See the build guide on the [project page](https://github.com/dpapavas/lagrange-keyboard). + +Make example for this keyboard (after setting up your build environment): + + make handwired/lagrange:default + +Flashing example for this keyboard: + + make handwired/lagrange:default:flash + +To program the keyboard you'll need to reset it. This can be accomplished, either through the reset button, accessible via a hole in the bottom cover, or, if you've assigned the `RESET` keycode to a key, by pressing that key. + +See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs). diff --git a/keyboards/handwired/lagrange/rules.mk b/keyboards/handwired/lagrange/rules.mk new file mode 100644 index 0000000000..ea7413b97b --- /dev/null +++ b/keyboards/handwired/lagrange/rules.mk @@ -0,0 +1,27 @@ +# MCU name +MCU = atmega32u4 + +# Bootloader selection +BOOTLOADER = atmel-dfu + +# Build Options +# change yes to no to disable +# +BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration +MOUSEKEY_ENABLE = no # Mouse keys +EXTRAKEY_ENABLE = yes # Audio control and System control +CONSOLE_ENABLE = yes # Console for debug +COMMAND_ENABLE = no # Commands for debug and configuration +# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE +SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend +# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work +NKRO_ENABLE = no # USB Nkey Rollover +BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality +RGBLIGHT_ENABLE = no # Enable keyboard RGB underglow +BLUETOOTH_ENABLE = no # Enable Bluetooth +AUDIO_ENABLE = no # Audio output +UNICODE_ENABLE = yes +SPLIT_KEYBOARD = yes +SPLIT_TRANSPORT = custom + +SRC += transport.c spi_master.c diff --git a/keyboards/handwired/lagrange/transport.c b/keyboards/handwired/lagrange/transport.c new file mode 100644 index 0000000000..2a567f24b9 --- /dev/null +++ b/keyboards/handwired/lagrange/transport.c @@ -0,0 +1,175 @@ +/* Copyright 2020 Dimitris Papavasiliou <dpapavas@protonmail.ch> + * + * 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 3 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 <https://www.gnu.org/licenses/>. + */ + +#include <spi_master.h> + +#include "quantum.h" +#include "split_util.h" +#include "timer.h" + +#include "lagrange.h" + +struct led_context { + led_t led_state; + layer_state_t layer_state; +}; + +uint8_t transceive(uint8_t b) { + for (SPDR = b ; !(SPSR & _BV(SPIF)) ; ); + return SPDR; +} + +/* The SPI bus, doens't have any form of protocol built in, so when + * the other side isn't present, any old noise on the line will appear + * as matrix data. To avoid interpreting data as keystrokes, we do a + * simple n-way (8-way here) handshake before each scan, where each + * side sends a prearranged sequence of bytes. */ + +void shake_hands(bool master) { + const uint8_t m = master ? 0xf8 : 0; + const uint8_t a = 0xa8 ^ m, b = 0x50 ^ m; + + uint8_t i; + + i = SPSR; + i = SPDR; + + do { + /* Cylcling the SS pin on each attempt is necessary, as it + * resets the AVR's SPI core and guarantees proper + * alignment. */ + + if (master) { + writePinLow(SPI_SS_PIN); + } + + for (i = 0 ; i < 8 ; i += 1) { + if (transceive(a + i) != b + i) { + break; + } + } + + if (master) { + writePinHigh(SPI_SS_PIN); + } + } while (i < 8); +} + +bool transport_master(matrix_row_t matrix[]) { + const struct led_context context = { + host_keyboard_led_state(), + layer_state + }; + + uint8_t i; + + /* Shake hands and then receive the matrix from the other side, + * while transmitting LED and layer states. */ + + shake_hands(true); + + spi_start(SPI_SS_PIN, 0, 0, 4); + + for (i = 0 ; i < sizeof(matrix_row_t[MATRIX_ROWS / 2]) ; i += 1) { + spi_status_t x; + + x = spi_write(i < sizeof(struct led_context) ? + ((uint8_t *)&context)[i] : 0); + + if (x == SPI_STATUS_TIMEOUT) { + return false; + } + + ((uint8_t *)matrix)[i] = (uint8_t)x; + } + + spi_stop(); + + return true; +} + +void transport_slave(matrix_row_t matrix[]) { + static struct led_context context; + struct led_context new_context; + + uint8_t i; + + /* Do the reverse of master above. Note that timing is critical, + * so interrupts must be turned off. */ + + cli(); + shake_hands(false); + + for (i = 0 ; i < sizeof(matrix_row_t[MATRIX_ROWS / 2]) ; i += 1) { + uint8_t b; + + b = transceive(((uint8_t *)matrix)[i]); + + if (i < sizeof(struct led_context)) { + ((uint8_t *)&new_context)[i] = b; + } + } + + sei(); + + /* Update the layer and LED state if necessary. */ + + if (!isLeftHand) { + if (context.led_state.raw != new_context.led_state.raw) { + context.led_state.raw = new_context.led_state.raw; + led_update_kb(context.led_state); + } + + if (context.layer_state != new_context.layer_state) { + context.layer_state = new_context.layer_state; + layer_state_set_kb(context.layer_state); + } + } +} + +void transport_master_init(void) { + /* We need to set the SS pin as output as the handshake logic + * above depends on it and the SPI master driver won't do it + * before we call spi_start(). */ + + writePinHigh(SPI_SS_PIN); + setPinOutput(SPI_SS_PIN); + + spi_init(); + + shake_hands(true); +} + +void transport_slave_init(void) { + /* The datasheet isn't very clear on whether the internal pull-up + * is selectable when the SS pin is used by the SPI slave, but + * experimentations shows that it is, at least on the ATMega32u4. + * We enable the pull-up to guard against the case where both + * halves end up as slaves. In that case the SS pin would + * otherwise be floating and free to fluctuate due to picked up + * noise, etc. When reading low it would make both halves think + * they're asserted making the MISO pin an output on both ends and + * leading to potential shorts. */ + + setPinInputHigh(SPI_SS_PIN); + setPinInput(SPI_SCK_PIN); + setPinInput(SPI_MOSI_PIN); + setPinOutput(SPI_MISO_PIN); + + SPCR = _BV(SPE); + + shake_hands(false); +} |