qmk_firmware/users/stanrc85/stanrc85.c

#include "stanrc85.h"

static td_state_t td_state;

__attribute__ ((weak))
bool process_record_keymap(uint16_t keycode, keyrecord_t *record) {
  return true;
}

// determine the tapdance state to return
int cur_dance (qk_tap_dance_state_t *state) {
  if (state->count == 1) {
    if (state->interrupted || !state->pressed) { return SINGLE_TAP; }
    else { return SINGLE_HOLD; }
  }
  if (state->count == 2) { return DOUBLE_TAP; }
  else { return 3; } // any number higher than the maximum state value you return above
}

// handle the possible states for each tapdance keycode you define:
void ctl_copy_finished (qk_tap_dance_state_t *state, void *user_data) {
  td_state = cur_dance(state);
  switch (td_state) {
    case SINGLE_TAP:
      SEND_STRING(SS_LCTRL("c"));
      break;
    case SINGLE_HOLD:
      register_mods(MOD_BIT(KC_RCTL));
      break;
    case DOUBLE_TAP:
      SEND_STRING(SS_LCTRL("v"));
  }
}

void ctl_copy_reset (qk_tap_dance_state_t *state, void *user_data) {
  switch (td_state) {
    case SINGLE_TAP:
      break;
    case SINGLE_HOLD:
      unregister_mods(MOD_BIT(KC_RCTL));
      break;
    case DOUBLE_TAP:
      break;
  }
}

qk_tap_dance_action_t tap_dance_actions[] = {
	[TD_WIN] = ACTION_TAP_DANCE_DOUBLE(KC_CAD, KC_LOCK),
	[TD_ESC] = ACTION_TAP_DANCE_DOUBLE(KC_ESC, KC_GRV),
  [TD_RCTL] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, ctl_copy_finished, ctl_copy_reset)
};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
  case KC_MAKE:
    if (!record->event.pressed) {
      uint8_t mods = get_mods();
      clear_mods();
      send_string_with_delay_P(PSTR("make " QMK_KEYBOARD ":" QMK_KEYMAP), 10);
        if (mods & MOD_MASK_SHIFT) {
          //RESET board for flashing if SHIFT held or tapped with KC_MAKE
          #if defined(__arm__)
            send_string_with_delay_P(PSTR(":dfu-util"), 10);
          #elif defined(BOOTLOADER_DFU)
            send_string_with_delay_P(PSTR(":dfu"), 10);
          #elif defined(BOOTLOADER_HALFKAY)
            send_string_with_delay_P(PSTR(":teensy"), 10);
          #elif defined(BOOTLOADER_CATERINA)
            send_string_with_delay_P(PSTR(":avrdude"), 10);
          #endif // bootloader options
          send_string_with_delay_P(PSTR(SS_TAP(X_ENTER)), 10);
          reset_keyboard();
        }
        if (mods & MOD_MASK_CTRL) {
          send_string_with_delay_P(PSTR(" -j8 --output-sync"), 10);
        }
        send_string_with_delay_P(PSTR(SS_TAP(X_ENTER)), 10);
        set_mods(mods);
      }
    return false;
    break;
  }
  return process_record_keymap(keycode, record);
}