hardware: Move ROWS, COLS, and LED_COUNT to KeyboardHardware

In an attempt to move away from magic, global defines, move the `ROWS`, `COLS`,
and `LED_COUNT` defines to the hardware class. Backwards-compatible defines are
provided by `<Kaleidoscope.h>`.

This is just a first step, no users are updated just yet.

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

src/kaleidoscope/Kaleidoscope.h

@@ -37,6 +37,13 @@ void setup();
 #include <stdint.h>
 
 #include KALEIDOSCOPE_HARDWARE_H
+
+extern HARDWARE_IMPLEMENTATION KeyboardHardware;
+
+#define ROWS (KeyboardHardware.matrix_rows)
+#define COLS (KeyboardHardware.matrix_columns)
+#define LED_COUNT (KeyboardHardware.led_count)
+
 #include "kaleidoscope/key_events.h"
 #include "kaleidoscope/hid.h"
 #include "kaleidoscope/layers.h"
@@ -47,8 +54,6 @@ void setup();
 
 #define HOOK_MAX 64
 
-extern HARDWARE_IMPLEMENTATION KeyboardHardware;
-
 #ifndef VERSION
 #define VERSION "locally-built"
 #endif

src/kaleidoscope/hardware/Atreus.h

@@ -37,10 +37,6 @@ struct cRGB {
   uint8_t r, g, b;
 };
 
-#define COLS 11
-#define ROWS 4
-#define LED_COUNT 0
-
 #define CRGB(r,g,b) (cRGB){b, g, r}
 
 namespace kaleidoscope {
@@ -50,6 +46,10 @@ class Atreus {
  public:
   Atreus(void) {}
 
+  static constexpr byte matrix_columns = 11;
+  static constexpr byte matrix_rows = 4;
+  static constexpr uint8_t led_count = 0;
+
   void syncLeds(void) {}
   void setCrgbAt(byte row, byte col, cRGB color) {}
   void setCrgbAt(uint8_t i, cRGB crgb) {}
@@ -127,16 +127,16 @@ class Atreus {
   static uint8_t debounce;
 
  private:
-  static uint16_t previousKeyState_[ROWS];
-  static uint16_t keyState_[ROWS];
-  static uint16_t masks_[ROWS];
+  static uint16_t previousKeyState_[matrix_rows];
+  static uint16_t keyState_[matrix_rows];
+  static uint16_t masks_[matrix_rows];
 
   static void readMatrixRow(uint8_t row);
   static uint16_t readCols();
   static void selectRow(uint8_t row);
   static void unselectRow(uint8_t row);
 
-  static uint8_t debounce_matrix_[ROWS][COLS];
+  static uint8_t debounce_matrix_[matrix_rows][matrix_columns];
   static uint16_t debounceMaskForRow(uint8_t row);
   static void debounceRow(uint16_t change, uint8_t row);
 };
@@ -183,7 +183,7 @@ class Atreus {
  * user-facing code.
  */
 constexpr byte keyIndex(byte row, byte col) {
-  return row * COLS + col + 1;
+  return row * kaleidoscope::hardware::Atreus::matrix_columns + col + 1;
 }
 
 constexpr byte R0C0  = keyIndex(0, 0);

src/kaleidoscope/hardware/ErgoDox.h

@@ -40,10 +40,6 @@ struct cRGB {
   uint8_t r, g, b;
 };
 
-#define COLS 6
-#define ROWS 14
-#define LED_COUNT 0
-
 #define CRGB(r,g,b) (cRGB){b, g, r}
 
 namespace kaleidoscope {
@@ -53,6 +49,10 @@ class ErgoDox {
  public:
   ErgoDox(void) {}
 
+  static constexpr byte matrix_columns = 6;
+  static constexpr byte matrix_rows = 14;
+  static constexpr uint8_t led_count = 0;
+
   void syncLeds(void) {}
   void setCrgbAt(byte row, byte col, cRGB color) {}
   void setCrgbAt(uint8_t i, cRGB crgb) {}
@@ -135,10 +135,10 @@ class ErgoDox {
 
  private:
   static ErgoDoxScanner scanner_;
-  static uint8_t previousKeyState_[ROWS];
-  static uint8_t keyState_[ROWS];
-  static uint8_t masks_[ROWS];
-  static uint8_t debounce_matrix_[ROWS][COLS];
+  static uint8_t previousKeyState_[matrix_rows];
+  static uint8_t keyState_[matrix_rows];
+  static uint8_t masks_[matrix_rows];
+  static uint8_t debounce_matrix_[matrix_rows][matrix_columns];
 
   static uint8_t debounceMaskForRow(uint8_t row);
   static void debounceRow(uint8_t change, uint8_t row);
@@ -196,7 +196,7 @@ class ErgoDox {
  * user-facing code.
  */
 constexpr byte keyIndex(byte row, byte col) {
-  return row * COLS + col + 1;
+  return row * kaleidoscope::hardware::ErgoDox::matrix_columns + col + 1;
 }
 
 constexpr byte R0C0  = keyIndex(0, 0);

src/kaleidoscope/hardware/Model01.h

@@ -27,9 +27,6 @@
 
 #include "kaleidoscope/macro_helpers.h"
 
-#define COLS 16
-#define ROWS 4
-
 #define CRGB(r,g,b) (cRGB){b, g, r}
 
 namespace kaleidoscope {
@@ -38,6 +35,11 @@ namespace hardware {
 class Model01 {
  public:
   Model01(void);
+
+  static constexpr byte matrix_rows = 4;
+  static constexpr byte matrix_columns = 16;
+  static constexpr uint8_t led_count = 64;
+
   void syncLeds(void);
   void setCrgbAt(byte row, byte col, cRGB color);
   void setCrgbAt(uint8_t i, cRGB crgb);
@@ -50,7 +52,6 @@ class Model01 {
   void setup();
   void rebootBootloader();
 
-
   /** Detaching from / attaching to the host.
    *
    * These two functions should detach the device from (or attach it to) the
@@ -147,7 +148,7 @@ class Model01 {
  * user-facing code.
  */
 constexpr byte keyIndex(byte row, byte col) {
-  return row * COLS + col + 1;
+  return row * kaleidoscope::hardware::Model01::matrix_columns + col + 1;
 }
 
 constexpr byte R0C0  = keyIndex(0, 0);
@@ -216,9 +217,6 @@ constexpr byte R3C13 = keyIndex(3, 13);
 constexpr byte R3C14 = keyIndex(3, 14);
 constexpr byte R3C15 = keyIndex(3, 15);
 
-
-#define LED_COUNT 64
-
 #endif /* DOXYGEN_SHOULD_SKIP_THIS */