[Keyboard] Siemens Tastatur Converter (#6090)

* initial commit

* Siemens Tastatur

* Update keyboards/handwired/siemens_tastatur/keymaps/default/keymap.c

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* beauty fixes

* More tidying up

* Update keyboards/converter/siemens_tastatur/keymaps/default/keymap.c

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

keyboards/converter/siemens_tastatur/config.h

@@ -0,0 +1,67 @@
+/*
+Copyright 2019 Yiancar
+
+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/>.
+*/
+
+#pragma once
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0x8968
+#define PRODUCT_ID      0x4353
+#define DEVICE_VER      0x0001
+
+#define MANUFACTURER Yiancar-Designs
+#define PRODUCT Siemens Tastatur
+#define DESCRIPTION Practice
+
+/* key matrix size */
+#define MATRIX_ROWS 4
+#define MATRIX_COLS 19
+
+//This is all fake and not used
+#define MATRIX_COL_PINS { B11, B10, B1, B0, A7, A6, A5, A4, A3, A2, A1, A0, C15, C14 }
+#define MATRIX_ROW_PINS { B3, B4, B5, B6, B7 }
+#define DIODE_DIRECTION COL2ROW
+
+
+/* define if matrix has ghost */
+//#define MATRIX_HAS_GHOST
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCE    5
+
+/* 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
+
+
+/*
+ * 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
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION