Attempt to create an one-handed layout for Ergodox

keymap.c

#define MIRRORED(                                               \
                                                                \
    /* left hand, spatial positions */                          \
    k00,k01,k02,k03,k04,k05,k06,                                \
    k10,k11,k12,k13,k14,k15,k16,                                \
    k20,k21,k22,k23,k24,k25,                                    \
    k30,k31,k32,k33,k34,k35,k36,                                \
    k40,k41,k42,k43,k44,                                        \
                            k55,k56,                            \
                                k54,                            \
                        k53,k52,k51,                            \
                                                                \
    /* right hand, spatial positions */                         \
        k07,k08,k09,k0A,k0B,k0C,k0D,                            \
        k17,k18,k19,k1A,k1B,k1C,k1D,                            \
            k28,k29,k2A,k2B,k2C,k2D,                            \
        k37,k38,k39,k3A,k3B,k3C,k3D,                            \
                k49,k4A,k4B,k4C,k4D,                            \
    k57,k58,                                                    \
    k59,                                                        \
    k5C,k5B,k5A )                                               \
    KEYMAP(                                                     \
                                                                \
    /* left hand, spatial positions */                          \
    k00,k01,k02,k03,k04,k05,k06,                                \
    k10,k11,k12,k13,k14,k15,k16,                                \
    k20,k21,k22,k23,k24,k25,                                    \
    k30,k31,k32,k33,k34,k35,k36,                                \
    k40,k41,k42,k43,k44,                                        \
                            k55,k56,                            \
                                k54,                            \
                        k53,k52,k51,                            \
                                                                \
    /* right hand, spatial positions */                         \
        k07,k08,k09,k0A,k0B,k0C,k0D,                            \
        k17,k18,k19,k1A,k1B,k1C,k1D,                            \
            k28,k29,k2A,k2B,k2C,k2D,                            \
        k37,k38,k39,k3A,k3B,k3C,k3D,                            \
                k49,k4A,k4B,k4C,k4D,                            \
    k57,k58,                                                    \
    k59,                                                        \
    k5C,k5B,k5A ),                                              \
    KEYMAP(                                                     \
    /* left hand, spatial positions */                          \
    k0D,k0C,k0B,k0A,k09,k08,k07,                                \
    k1D,k1C,k1B,k1A,k19,k18,k17,                                \
    k2D,k2C,k2B,k2A,k29,k28,                                    \
    k3D,k3C,k3B,k3A,k39,k38,k37,                                \
    k4D,k4C,k4B,k4A,k49,                                        \
                            k58,k57,                            \
                                k59,                            \
                        k5A,k5B,k5C,                            \
                                                                \
    /* right hand, spatial positions */                         \
        k06,k05,k04,k03,k02,k01,k00,                            \
        k16,k15,k14,k13,k12,k11,k10,                            \
            k25,k24,k23,k22,k21,k20,                            \
        k36,k35,k34,k33,k32,k31,k30,                            \
                k44,k43,k42,k41,k40,                            \
    k56,k55,                                                    \
    k54,                                                        \
    k51,k52,k53)                                                \

#define MIRRORED_RTHUMB(                                               \
                                                                \
    /* left hand, spatial positions */                          \
    k00,k01,k02,k03,k04,k05,k06,                                \
    k10,k11,k12,k13,k14,k15,k16,                                \
    k20,k21,k22,k23,k24,k25,                                    \
    k30,k31,k32,k33,k34,k35,k36,                                \
    k40,k41,k42,k43,k44,                                        \
                                                                \
    /* right hand, spatial positions */                         \
        k07,k08,k09,k0A,k0B,k0C,k0D,                            \
        k17,k18,k19,k1A,k1B,k1C,k1D,                            \
            k28,k29,k2A,k2B,k2C,k2D,                            \
        k37,k38,k39,k3A,k3B,k3C,k3D,                            \
                k49,k4A,k4B,k4C,k4D,                            \
    k57,k58,                                                    \
    k59,                                                        \
    k5C,k5B,k5A )                                               \
    MIRRORED(                                                   \
                                                                \
    /* left hand, spatial positions */                          \
    k00,k01,k02,k03,k04,k05,k06,                                \
    k10,k11,k12,k13,k14,k15,k16,                                \
    k20,k21,k22,k23,k24,k25,                                    \
    k30,k31,k32,k33,k34,k35,k36,                                \
    k40,k41,k42,k43,k44,                                        \
                            k58,k57,                            \
                                k59,                            \
                        k5A,k5B,k5C,                            \
                                                                \
    /* right hand, spatial positions */                         \
        k07,k08,k09,k0A,k0B,k0C,k0D,                            \
        k17,k18,k19,k1A,k1B,k1C,k1D,                            \
            k28,k29,k2A,k2B,k2C,k2D,                            \
        k37,k38,k39,k3A,k3B,k3C,k3D,                            \
                k49,k4A,k4B,k4C,k4D,                            \
    k57,k58,                                                    \
    k59,                                                        \
    k5C,k5B,k5A )                                               \


static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    KEYMAP(  // layer 0 : default
    ...
    ),

    KEYMAP(  // layer 1 : function and symbol keys
    ...
    ),

    KEYMAP(  // layer 2 : mouse functions
    ),
    MIRRORED_RTHUMB(  // layer 3+4 : default mirrored
        // left hand
        EQL, 1,   2,   3,   4,   5,   PGUP,
        TAB, Q,   W,   E,   R,   T,   HOME,
        ESC, A,   S,   D,   F,   G,
        F2,  Z,   X,   C,   V,   B,   END,
        F3,  F4,  APP, LGUI,INS,
        // right hand
             PGDN,6,   7,   8,   9,   0,   MINS,
             BSPC,Y,   U,   I,   O,   P,   BSLS,
                  H,   J,   K,   L,   SCLN,QUOT,
             ENT, N,   M,   COMM,DOT, SLSH,LBRC,
                       LEFT,DOWN,UP,  RGHT,RBRC,
        RSHIFT, FN5,
        LALT,
        LCTRL,FN4, SPC
    ),
    MIRRORED_RTHUMB(  // layer 5+6 : function and symbol keys
        // left hand
        GRV, KP_1,KP_2,KP_3,KP_4,KP_5,FN3,
        TRNS,F1,  F2,  F3,  F4,  NO,  TRNS,
        TRNS,F5,  F6,  F7,  F8,  NO,
        VOLU,F9,  F10, F11, F12, NO,  TRNS,
        VOLD,MUTE,MPRV,MPLY,MNXT,
        // right hand
             TRNS,KP_6,KP_7,KP_8,KP_9,KP_0,TRNS,
             DEL, NO  ,KP_4,KP_5,KP_6,PSLS,PAST,
                  NO  ,KP_1,KP_2,KP_3,PMNS,PPLS,
             TRNS,NO  ,KP_0,KP_0,PDOT,NO  ,PSCR,
                       TRNS,TRNS,TRNS,TRNS,NO,
        TRNS,TRNS,
        TRNS,
        TRNS,FN6,TRNS
    ),


};

/* id for user defined functions */
enum function_id {
	LOCK,
    //TEENSY_KEY,
};

/*
 * Fn action definition
 */
static const uint16_t PROGMEM fn_actions[] = {
    ACTION_FUNCTION(LOCK),                    // FN0 - Teensy key
    ACTION_LAYER_TAP_TOGGLE(1),                      // FN1 - tap/toggle Layer1
    ACTION_LAYER_TAP_TOGGLE(2),
    ACTION_LAYER_TOGGLE(3),
    ACTION_LAYER_MOMENTARY(4),
    ACTION_LAYER_MOMENTARY(5),
    ACTION_LAYER_MOMENTARY(6),
    //ACTION_LAYER_SET(2, ON_PRESS),                  // FN2 - set Layer2
    //ACTION_LAYER_TOGGLE(3),                         // FN3 - toggle Layer3 aka Numpad layer
    //ACTION_LAYER_SET(0, ON_PRESS),                  // FN4 - set Layer0
};