[Keyboard] Add support for XD004 macro keyboard (#6337)

* Add support for XD004

Also applying the following suggested edits:

Add hardware availability link in readme
Co-Authored-By: Drashna Jaelre <drashna@live.com>

Enable lite bootmagic
Co-Authored-By: Drashna Jaelre <drashna@live.com>

Remove commented out MCU
Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Add more ellaborate keymap

Correcting usage of tap_code_16 for modified key, thanks to @drashna

* Add information about bootloader type

Co-Authored-By: Drashna Jaelre <drashna@live.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/keyboards/xd004/v1/config.h b/keyboards/xd004/v1/config.h
new file mode 100644
index 0000000000..a141137e98
--- /dev/null
+++ b/keyboards/xd004/v1/config.h
@@ -0,0 +1,80 @@
+/*
+Copyright 2019 Sidney Bovet <sidney.bovet@gmail.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+Note: the following configuration uses 98% of the flash memory, be
+careful if you enable anything else. Also have a look at rules.mk
+where some things are disabled to save space as well.
+*/
+
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0xCDCD
+#define PRODUCT_ID 0x0404
+#define DEVICE_VER 0x0001
+// Note: unsure about manufacturer
+#define MANUFACTURER XIUDI
+#define PRODUCT XD004 v1
+#define DESCRIPTION XD004 v1 Keyboard PCB
+
+/* key matrix size */
+#define MATRIX_ROWS 1
+#define MATRIX_COLS 4
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * On this board we have direct connection: no diodes.
+ */
+#define DIRECT_PINS        \
+    {                      \
+        { D3, D0, C4, B4 } \
+    }
+#define UNUSED_PINS
+
+/* Backlight Setup */
+// Looks like each backlight LED is connected to a single output, D5 is the one furtherst away from USB port
+#define BACKLIGHT_PIN D5
+#define BACKLIGHT_LEVELS 6
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* RGB Underglow
+This will not be used, as RGBLIGHT_ENABLE is set to 'no' in rules.mk
+We do not have enough space in the flash for this at the moment, maybe
+further optimizations can be done on that side.
+*/
+#define RGB_DI_PIN C6
+#define RGBLIGHT_EFFECT_STATIC_GRADIENT
+#define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+#define RGBLED_NUM 2
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+#define RGBLIGHT_VAL_STEP 17
+
+/* disable action features */
+// #define NO_ACTION_ONESHOT // 462 bytes <- this needs to be un-commented out if Link Time Optimization is disabled, otherwise file is too large
+// The two below are implicit since we use LINK_TIME_OPTIMIZATION_ENABLE (in rules.mk)
+// #define NO_ACTION_MACRO
+// #define NO_ACTION_FUNCTION
\ No newline at end of file