[Keyboard] handwired/m40/5x5_macropad (#16288)

* Adding the custom handwired 5x5 macropad.

* Update keyboards/handwired/m40/5x5_macropad/readme.md

* Update keyboards/handwired/m40/5x5_macropad/rules.mk

* Update keyboards/handwired/m40/5x5_macropad/readme.md

* Update readme.md

fixed the github link to my profile

* Update keyboards/handwired/m40/5x5_macropad/5x5_macropad.c

* Update keyboards/handwired/m40/5x5_macropad/5x5_macropad.h

* Update keyboards/handwired/m40/5x5_macropad/5x5_macropad.h

* Update keyboards/handwired/m40/5x5_macropad/config.h

* Update keyboards/handwired/m40/5x5_macropad/readme.md

* Update keyboards/handwired/m40/5x5_macropad/config.h

* Update keyboards/handwired/m40/5x5_macropad/readme.md

* Update keyboards/handwired/m40/5x5_macropad/keymaps/default/keymap.c

* Apply suggestions from code review

* added discord Id for maintainer contact

* Update keyboards/handwired/m40/5x5_macropad/readme.md

* Update keyboards/handwired/m40/5x5_macropad/info.json

1 files changed, 88 insertions, 0 deletions

diff --git a/keyboards/handwired/m40/5x5_macropad/config.h b/keyboards/handwired/m40/5x5_macropad/config.h
new file mode 100644
index 0000000000..4f71b79d43
--- /dev/null
+++ b/keyboards/handwired/m40/5x5_macropad/config.h
@@ -0,0 +1,88 @@
+// Copyright 2022 Tomek (@m40-dev)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID    0xFEED
+#define PRODUCT_ID   0x0000
+#define DEVICE_VER   0x0001
+#define MANUFACTURER m40
+#define PRODUCT      macropad
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 5
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ *                  ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+ */
+#define MATRIX_ROW_PINS { B5, B4, E6, D7, C6 }
+#define MATRIX_COL_PINS { B6, B2, B3, B1, F7 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* define if matrix has ghost (lacks anti-ghosting diodes) */
+//#define MATRIX_HAS_GHOST
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+/* If defined, GRAVE_ESC will always act as ESC when CTRL is held.
+ * This is useful for the Windows task manager shortcut (ctrl+shift+esc).
+ */
+//#define GRAVE_ESC_CTRL_OVERRIDE
+
+/*
+ * Force NKRO
+ *
+ * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
+ * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
+ * makefile for this to work.)
+ *
+ * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
+ * until the next keyboard reset.
+ *
+ * NKRO may prevent your keystrokes from being detected in the BIOS, but it is
+ * fully operational during normal computer usage.
+ *
+ * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
+ * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
+ * bootmagic, NKRO mode will always be enabled until it is toggled again during a
+ * power-up.
+ *
+ */
+//#define FORCE_NKRO
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+//#define NO_DEBUG
+
+/* disable print */
+//#define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT