qmk_firmware/keyboard/ergodox_ez/keymaps/erez_experimental/keymap.c

#include <keymap_extras/keymap_colemak.h>
#include "ergodox_ez.h"
#include "debug.h"
#include "action_layer.h"

#define BASE 0 // default layer
#define SYMB 1 // symbols
#define MDIA 2 // media keys

#define LSFTO M(0) // Left shift, open parens when tapped
#define RSFTC M(1) // Right shift, close parens when tapped

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Keymap 0: Basic layer
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * |   =    |   1  |   2  |   3  |   4  |   5  | LEFT |           | RIGHT|   6  |   7  |   8  |   9  |   0  |   -    |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * | Del    |   Q  |   W  |   E  |   R  |   T  |  L1  |           |  L1  |   Y  |   U  |   I  |   O  |   P  |   \    |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * | BkSp   |   A  |   S  |   D  |   F  |   G  |------|           |------|   H  | Alt/J|   K  |   L  |; / L2| LGui/' |
 * |--------+------+------+------+------+------| Hyper|           | Meh  |------+------+------+------+------+--------|
 * |LShift/(|Z/Ctrl|   X  |   C  |   V  |   B  |      |           |      |   N  |   M  |   ,  |   .  |//Ctrl|RShift/)|
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   |Grv/L1|  '"  |AltShf| Left | Right|                                       |  Up  | Down |   [  |   ]  | ~L1  |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        | App  | LGui |       | Alt  |Ctrl/Esc|
 *                                 ,------|------|------|       |------+--------+------.
 *                                 |      | L1   | Home |       | PgUp |        |      |
 *                                 | Space| Tap/ |------|       |------| Tab/L1 |Enter |
 *                                 |      |Toggle| End  |       | PgDn |        |      |
 *                                 `--------------------'       `----------------------'
 */
// If it accepts an argument (i.e, is a function), it doesn't need KC_.
// Otherwise, it needs KC_*
[BASE] = KEYMAP(  // layer 0 : default
        // left hand
        KC_EQL,         KC_1,         KC_2,   KC_3,   KC_4,    KC_5,   KC_LEFT,
        KC_DELT,        KC_Q,         KC_W,   KC_E,   KC_R,    KC_T,   TG(SYMB),
        KC_BSPC,        KC_A,         KC_S,   KC_D,   KC_F,    KC_G,
        LSFTO,          CTL_T(KC_Z),  KC_X,   KC_C,   KC_V,    KC_B,   ALL_T(KC_NO),
        LT(SYMB,KC_GRV),KC_QUOT,      LALT(KC_LSFT),  KC_LEFT, KC_RGHT,
                                              ALT_T(KC_APP),   KC_LGUI,
                                                               KC_HOME,
                                               KC_SPC,KC_FN1,KC_END,
        // right hand
             KC_RGHT,     KC_6,KC_7,       KC_8,   KC_9,   KC_0,            KC_MINS,
             TG(SYMB),    KC_Y,KC_U,       KC_I,   KC_O,   KC_P,            KC_BSLS,
                          KC_H,ALT_T(KC_J),KC_K,   KC_L,   LT(MDIA,KC_SCLN),GUI_T(KC_QUOT),
             MEH_T(KC_NO),KC_N,KC_M,       KC_COMM,KC_DOT, CTL_T(KC_SLSH),  RSFTC,
                               KC_UP,      KC_DOWN,KC_LBRC,KC_RBRC,         KC_FN1,
             KC_LALT,        CTL_T(KC_ESC),
             KC_PGUP,
             KC_PGDN,LT(SYMB, KC_TAB), KC_ENT
    ),
/* Keymap 1: Symbol Layer
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * |        |  F1  |  F2  |  F3  |  F4  |  F5  |      |           |      |  F6  |  F7  |  F8  |  F9  |  F10 |   F11  |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * |        |   1  |   2  |   3  |   4  |      |      |           |      |      |   %  |   =  |   @  |      |   F12  |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |   5  |   6  |   7  |   8  |   9  |------|           |------|   &  |   _  |   -  |   ;  |   +  |        |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |   (  |   )  |   [  |   ]  |   0  |      |           |      |   |  |   (  |   )  |      |      |        |
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   |      |      |      |      |      |                                       |      |      |      |      |      |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        |      |      |       |      |      |
 *                                 ,------|------|------|       |------+------+------.
 *                                 |      |      |      |       |      |      |      |
 *                                 |      |      |------|       |------|      |      |
 *                                 |      |      |      |       |      |      |      |
 *                                 `--------------------'       `--------------------'
 */
// SYMBOLS
[SYMB] = KEYMAP(
       // left hand
       KC_TRNS, KC_F1,  KC_F2,  KC_F3,         KC_F4,        KC_F5,   KC_TRNS,
       KC_TRNS, KC_1,   KC_2,   KC_3,          KC_4,         KC_TRNS, KC_TRNS,
       KC_TRNS, KC_5,   KC_6,   KC_7,          KC_8,         KC_9,
       KC_TRNS, KC_LPRN,KC_RPRN,KC_LBRC,       KC_RBRC,      KC_0,    KC_TRNS,
       KC_TRNS, KC_TRNS,KC_TRNS,LCTL(KC_PGUP), LCTL(KC_PGDN),
                                                                              KC_TRNS,KC_TRNS,
                                                                                      KC_TRNS,
                                                                      KC_TRNS,KC_TRNS,KC_TRNS,
               // right hand
       KC_TRNS, KC_F6,   KC_F7,  KC_F8,   KC_F9,   KC_F10,  KC_F11,
       KC_TRNS, KC_TRNS, KC_PERC,KC_EQL,  KC_AT,   KC_TRNS, KC_F12,
                KC_AMPR, KC_UNDS,KC_MINS, CM_SCLN, KC_PLUS, KC_TRNS,
       KC_TRNS, KC_PIPE, KC_LPRN,KC_RPRN, KC_3,    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
),
/* Keymap 2: Media and mouse keys
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * |        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * |        |      |      | MsUp |      |      |      |           |      |      |      |      |      |      |        |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |      |MsLeft|MsDown|MsRght|      |------|           |------|      |      |      |      |      |  Play  |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |      |      |      |      |      |      |           |      |      |      | Prev | Next |      |        |
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   |      |      |      | Lclk | Rclk |                                       |VolUp |VolDn | Mute |      |      |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        |      |      |       |      |      |
 *                                 ,------|------|------|       |------+------+------.
 *                                 |      |      |      |       |      |      |Brwser|
 *                                 |      |      |------|       |------|      |Back  |
 *                                 |      |      |      |       |      |      |      |
 *                                 `--------------------'       `--------------------'
 */
// MEDIA AND MOUSE
[MDIA] = KEYMAP(
       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
       KC_TRNS, KC_TRNS, KC_TRNS, KC_MS_U, KC_TRNS, KC_TRNS, KC_TRNS,
       KC_TRNS, KC_TRNS, KC_MS_L, KC_MS_D, KC_MS_R, KC_TRNS,
       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
       KC_TRNS, KC_TRNS, KC_TRNS, KC_BTN1, KC_BTN2,
                                           KC_TRNS, KC_TRNS,
                                                    KC_TRNS,
                                  KC_TRNS, KC_TRNS, KC_TRNS,
    // right hand
       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, KC_TRNS, KC_MPLY,
       KC_TRNS,  KC_TRNS, KC_TRNS, KC_MPRV, KC_MNXT, KC_TRNS, KC_TRNS,
                          KC_VOLU, KC_VOLD, KC_MUTE, KC_TRNS, KC_TRNS,
       KC_TRNS, KC_TRNS,
       KC_TRNS,
       KC_TRNS, KC_TRNS, KC_WBAK
),
};

const uint16_t PROGMEM fn_actions[] = {
    [1] = ACTION_LAYER_TAP_TOGGLE(SYMB)                // FN1 - Momentary Layer 1 (Symbols)
};

static uint16_t key_timer;

const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
{
      switch(id) {
        case 0: {
            if (record->event.pressed) {
                key_timer = timer_read(); // if the key is being pressed, we start the timer.
                register_code(KC_LSFT); // we're now holding down Shift.
            } else { // this means the key was just released, so we can figure out how long it was pressed for (tap or "held down").
                if (timer_elapsed(key_timer) < 70) { // the threshhold we pick for counting something as a tap. 
                    register_code(KC_9); // sending 9 while Shift is held down gives us an opening paren
                    unregister_code(KC_9); // now let's let go of that key
                }
                unregister_code(KC_LSFT); // let's release the Shift key now.
            }
            break;
        }
        case 1: {
            if (record->event.pressed) {
                key_timer = timer_read(); // Now we're doing the same thing, only for the right shift/close paren key
                register_code(KC_RSFT); 
            } else { 
                if (timer_elapsed(key_timer) < 70) { 
                    register_code(KC_0); 
                    unregister_code(KC_0); 
                }
                unregister_code(KC_RSFT); 
            }
            break;
        }
      }
    return MACRO_NONE;
};

// Runs just one time when the keyboard initializes.
void matrix_init_user(void) {

};

// Runs constantly in the background, in a loop.
void matrix_scan_user(void) {

    uint8_t layer = biton32(layer_state);

    ergodox_board_led_off();
    ergodox_right_led_1_off();
    ergodox_right_led_2_off();
    ergodox_right_led_3_off();
    switch (layer) {
      // TODO: Make this relevant to the ErgoDox EZ.
        case 1:
            ergodox_right_led_1_on();
            break;
        case 2:
            ergodox_right_led_2_on();
            break;
        default:
            // none
            break;
    }

};