~ruther/qmk_firmware

ref: f37f27f02a55f750c21f671e712e3f704ba57885 qmk_firmware/keyboards/crkbd/lib/layer_state_reader.c -rw-r--r-- 1010 bytes
f37f27f0 — James Young Migrate `LOCKING_*_ENABLE` to Data-Driven: O (#23778) 11 months ago
                                                                                
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#include <stdio.h>
#include "action_layer.h"

// in the future, should use (1U<<_LAYER_NAME) instead, but needs to be moved to keymap,c
#define L_BASE 0
#define L_LOWER 2
#define L_RAISE 4
#define L_ADJUST 8
#define L_ADJUST_TRI 14

char layer_state_str[24];

const char *read_layer_state(void) {
  switch (layer_state)
  {
  case L_BASE:
    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Default");
    break;
  case L_RAISE:
    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Raise");
    break;
  case L_LOWER:
    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Lower");
    break;
  case L_ADJUST:
  case L_ADJUST_TRI:
    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Adjust");
    break;
  default:
#if defined (LAYER_STATE_32BIT)
    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Undef-%ld", layer_state);
#else
    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Undef-%d", layer_state);
#endif
  }

  return layer_state_str;
}
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