Deprecate a few older symbols

`KeyboardHardware`, `ROWS`, `COLS`, and `LED_COUNT` have been deprecated.

Signed-off-by: Gergely Nagy <algernon@keyboard.io>

src/kaleidoscope/Kaleidoscope.h

@@ -39,8 +39,9 @@ void setup();
 #include KALEIDOSCOPE_HARDWARE_H
 #include "kaleidoscope/device/key_indexes.h"
 #include "kaleidoscope_internal/device.h"
+#include "kaleidoscope_internal/deprecations.h"
 
-static constexpr kaleidoscope::Device &KeyboardHardware = kaleidoscope_internal::device;
+static constexpr DEPRECATED(KEYBOARDHARDWARE) kaleidoscope::Device &KeyboardHardware = kaleidoscope_internal::device;
 
 #ifdef PER_KEY_DATA_STACKED
 #define KEYMAP_STACKED(...) { PER_KEY_DATA_STACKED(XXX, __VA_ARGS__) }
@@ -50,9 +51,9 @@ static constexpr kaleidoscope::Device &KeyboardHardware = kaleidoscope_internal:
 #define KEYMAP(...) { PER_KEY_DATA(XXX, __VA_ARGS__) }
 #endif
 
-static constexpr uint8_t ROWS = kaleidoscope_internal::device.matrix_rows;
+static constexpr DEPRECATED(ROWS) uint8_t ROWS = kaleidoscope_internal::device.matrix_rows;
-static constexpr uint8_t COLS = kaleidoscope_internal::device.matrix_columns;
+static constexpr DEPRECATED(COLS) uint8_t COLS = kaleidoscope_internal::device.matrix_columns;
-static constexpr uint8_t LED_COUNT = kaleidoscope_internal::device.led_count;
+static constexpr DEPRECATED(LED_COUNT) uint8_t LED_COUNT = kaleidoscope_internal::device.led_count;
 
 #include "kaleidoscope/KeyAddr.h"
 #include "kaleidoscope/key_events.h"

src/kaleidoscope_internal/deprecations.h

@@ -28,5 +28,21 @@
 /* Messages */
 
 #define _DEPRECATED_MESSAGE_NAMED_HARDWARE              __NL__ \
-  "Named hardware objects are deprecated, please use `KeyboardHardware`\n" __NL__ \
+  "Named hardware objects are deprecated, please use\n" __NL__ \
-  "instead."
+  "`Kaleidoscope.device()` instead."
+
+#define _DEPRECATED_MESSAGE_KEYBOARDHARDWARE              \
+  "`KeyboardHardware` is deprecated, please use\n" __NL__ \
+  "`Kaleidoscope.device()` instead"
+
+#define _DEPRECATED_MESSAGE_ROWS                        \
+  "The `ROWS` macro is deprecated, please use\n" __NL__ \
+  "`Kaleidoscope.device().matrix_rows` instead."
+
+#define _DEPRECATED_MESSAGE_COLS                          \
+  "The `COLS` macro is deprecated, please use \n" __NL__  \
+  "`Kaleidoscope.device().matrix_columns` instead."
+
+#define _DEPRECATED_MESSAGE_LED_COUNT                         \
+  "The `LED_COUNT` macro is deprecated, please use \n" __NL__ \
+  "`Kaleidoscope.device().led_count` instead."