182 lines
5.4 KiB
C
182 lines
5.4 KiB
C
/* Copyright 2019 Ethan Durrant (emdarcher)
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*
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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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*
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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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*
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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 QMK_KEYBOARD_H
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typedef struct {
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bool is_press_action;
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int state;
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} tap;
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//tap dance states
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enum {
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SINGLE_TAP = 1,
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SINGLE_HOLD = 2,
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DOUBLE_TAP = 3,
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TRIPLE_TAP = 4
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};
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//tap dance keys
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enum {
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TAPPY_KEY = 0
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};
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//function to handle all the tap dances
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int cur_dance(tap_dance_state_t *state);
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//functions for each tap dance
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void tk_finished(tap_dance_state_t *state, void *user_data);
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void tk_reset(tap_dance_state_t *state, void *user_data);
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#define INDICATOR_LED B5
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#define TX_LED D5
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#define RX_LED B0
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#define _FN0 1
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#define _ML1 2
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#define _CL0 3
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[0] = LAYOUT(/* Base */
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TD(TAPPY_KEY),KC_HOME, KC_PGUP,
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KC_DEL, KC_END, KC_PGDN,
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KC_UP,
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KC_LEFT, KC_DOWN, KC_RIGHT),
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[_FN0] = LAYOUT(/* function layer */
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KC_TRNS, KC_PAUS, KC_VOLU,
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KC_ENTER, KC_SCRL, KC_VOLD,
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KC_TRNS,
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KC_TRNS, KC_TRNS, KC_TRNS),
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[_ML1] = LAYOUT(/* media function layer on double tap */
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KC_TRNS, KC_TRNS, KC_VOLU,
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KC_MUTE, KC_TRNS, KC_VOLD,
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KC_SPC,
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KC_MRWD, KC_MPLY, KC_MFFD),
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[_CL0] = LAYOUT(/* control layer on single tap */
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KC_TRNS, KC_TRNS, KC_TRNS,
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KC_TRNS, KC_TRNS, KC_TRNS,
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LCTL(KC_UP),
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LCTL(KC_LEFT), LCTL(KC_DOWN), LCTL(KC_RIGHT) ),
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};
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void matrix_init_user(void) {
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//init the Pro Micro on-board LEDs
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setPinOutput(TX_LED);
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setPinOutput(RX_LED);
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//set to off
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writePinHigh(TX_LED);
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writePinHigh(RX_LED);
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}
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//determine the current tap dance state
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int cur_dance (tap_dance_state_t *state){
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if(state->count == 1){
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//if a tap was registered
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if(!state->pressed){
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//if not still pressed, then was a single tap
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return SINGLE_TAP;
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} else {
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//if still pressed/held down, then it's a single hold
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return SINGLE_HOLD;
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}
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} else if(state->count == 2){
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//if tapped twice, set to double tap
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return DOUBLE_TAP;
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} else if(state->count == 3){
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//if tapped thrice, set to triple tap
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return TRIPLE_TAP;
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} else {
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return 8;
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}
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}
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//initialize the tap structure for the tap key
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static tap tk_tap_state = {
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.is_press_action = true,
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.state = 0
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};
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//functions that control what our tap dance key does
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void tk_finished(tap_dance_state_t *state, void *user_data){
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tk_tap_state.state = cur_dance(state);
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switch(tk_tap_state.state){
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case SINGLE_TAP:
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//toggle desired layer when tapped:
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if(layer_state_is(_CL0)){
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//if already active, toggle it to off
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layer_off(_CL0);
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//turn off LEDs
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writePinHigh(TX_LED);
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writePinHigh(RX_LED);
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} else {
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//turn on the command layer
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layer_on(_CL0);
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//turn on the LEDs
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writePinLow(TX_LED);
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writePinLow(RX_LED);
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}
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break;
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case SINGLE_HOLD:
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//set to desired layer when held:
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//setting to the function layer
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layer_on(_FN0);
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break;
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case DOUBLE_TAP:
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//set to desired layer when double tapped:
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//setting to the media layer
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if(layer_state_is(_ML1)){
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//if already active, toggle it to off
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layer_off(_ML1);
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//turn off the indicator LED
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//set LED HI to turn it off
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writePinHigh(INDICATOR_LED);
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} else {
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//turn on the media layer
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layer_on(_ML1);
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//turn on the indicator LED
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//set LED pin to LOW to turn it on
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writePinLow(INDICATOR_LED);
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}
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break;
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case TRIPLE_TAP:
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//reset all layers
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layer_clear();
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//set all LEDs off
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writePinHigh(TX_LED);
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writePinHigh(RX_LED);
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writePinHigh(INDICATOR_LED);
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break;
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}
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}
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void tk_reset(tap_dance_state_t *state, void *user_data){
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//if held and released, leave the layer
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if(tk_tap_state.state == SINGLE_HOLD){
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layer_off(_FN0);
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}
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//reset the state
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tk_tap_state.state = 0;
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}
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//associate the tap dance key with its functionality
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tap_dance_action_t tap_dance_actions[] = {
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[TAPPY_KEY] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, tk_finished, tk_reset)
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};
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