qmk_firmware/keyboards/jd45/keymaps/mjt/keymap.c

#include "jd45.h"

/* Mike's Layout for JD45 with backlight LEDs acting as layer indicator
 */

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[0] = KEYMAP(
  TAB,    Q,    W,    E,    R,    T,    Y,    U,    I,    O,    P, MINS, BSLS,
  FN1,    A,    S,    D,    F,    G,    H,    J,    K,    L, QUOT,  ENT,
  FN0,    Z,    X,    C,    V,    B,    N,    M, COMM,  DOT, SLSH, RSFT,
   NO, LCTL, LALT, LGUI,  SPC,  BSPC, APP,  FN2,  ESC,   NO ),
[1] = KEYMAP(
GRV,  TRNS,   UP, TRNS,   7,    8,    9,    0, MINS,  EQL, PSCR, LBRC, RBRC,
TRNS, LEFT, DOWN, RGHT,   4,    5,    6,  INS, HOME, PGUP, SCLN, TRNS,
TRNS, TRNS, TRNS, TRNS,   1,    2,    3,  DEL,  END, PGDN, TRNS, TRNS,
TRNS, TRNS, TRNS, SPC, TRNS,  DEL, TRNS, FN3, TRNS, TRNS ),
[2] = KEYMAP(
TRNS, TRNS, VOLU, TRNS,   F7,   F8,   F9,  F10,  F11,  F12, PSCR, FN3, FN4,
TRNS, MPRV, VOLD, MNXT,   F4,   F5,   F6,    J,    K,    L, SCLN, TRNS,
TRNS, TRNS, TRNS, TRNS,   F1,   F2,   F3, MUTE, MPRV, MNXT, MSTP, TRNS,
TRNS, TRNS, TRNS, LGUI, TRNS, TRNS, TRNS, TRNS, PAUS, TRNS )
/*  ,
[3] = KEYMAP(
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS,
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS,
TRNS, TRNS, TRNS, TRNS, TRNS, BTLD, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS,
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS )*/
};

enum macro_id {
    M_LAYER1,
    M_LAYER2
};

const uint16_t PROGMEM fn_actions[] = {
    [0] = ACTION_MODS_TAP_TOGGLE(MOD_LSFT),
    // [1] = ACTION_LAYER_TAP_TOGGLE(1),
    [1] = ACTION_MACRO(M_LAYER1),
    [2] = ACTION_LAYER_TAP_TOGGLE(2),
    [3] = ACTION_BACKLIGHT_STEP(),
    [4] = ACTION_BACKLIGHT_TOGGLE()
};

const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
{
  // MACRODOWN only works in this function
      switch(id) {
        case M_LAYER1:
            // need to add a timer for doubletap: https://github.com/jackhumbert/qmk_firmware/wiki#timer-functionality
            // action_function_tap may also handle this...
            if (record->event.pressed)
            {
                breathing_period_set(3);
                breathing_enable();
                layer_on(1);
            }
            else
            {
                breathing_period_set(1);
                breathing_self_disable();
                layer_off(1);
            }
        break;
        case M_LAYER2:
            if (record->event.pressed)
            {
                breathing_period_set(2);
                breathing_pulse();
                layer_on(2);
            }
            else
            {
                breathing_period_set(1);
                breathing_self_disable();
                layer_off(2);
            }
        break;
      }
    return MACRO_NONE;
};