Keyboard: Improvement of crkbd communication functions (based on helix-keyboard)...

[qmk_firmware.git] / keyboards / crkbd / lib / layer_state_reader.c

diff --git a/keyboards/crkbd/lib/layer_state_reader.c b/keyboards/crkbd/lib/layer_state_reader.c
new file mode 100644 (file)
index 0000000..eddb713
--- /dev/null
+++ b/keyboards/crkbd/lib/layer_state_reader.c
@@ -0,0 +1,35 @@
+
+#include QMK_KEYBOARD_H
+#include <stdio.h>
+#include "crkbd.h"
+
+#define L_BASE 0
+#define L_LOWER 8
+#define L_RAISE 16
+#define L_ADJUST 65536
+#define L_ADJUST_TRI 65560
+
+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:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Undef-%ld", layer_state);
+  }
+
+  return layer_state_str;
+}