initial add S20 keyboard into polycarbdiet folder (#11865)

keyboards/polycarbdiet/readme.md

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+# polycarbdiet
+QMK folder for custom PCB firmware.
+
+Github: polycarbdiet  
+Discord: polycarb_diet  
+Reddit: u/polycarb_diet

keyboards/polycarbdiet/s20/config.h

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+/* Copyright 2020 Muhammad Galib (polycarbdiet) <pd.keyboards@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/>.
+*/
+
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID    0x5040 // PD = polycarbdiet
+#define PRODUCT_ID   0x7320 // S20
+#define DEVICE_VER   0x0001
+#define MANUFACTURER polycarbdiet
+#define PRODUCT      S20
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 4
+
+//                         1   2   3   4   5
+#define MATRIX_ROW_PINS { B7, E6, D0, D1, D5 }
+#define MATRIX_COL_PINS { C6, C7, D4, D6 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL */
+#define DIODE_DIRECTION ROW2COL
+
+#define BACKLIGHT_PIN B6
+#define BACKLIGHT_LEVELS 3
+#define BACKLIGHT_BREATHING
+
+#define RGB_DI_PIN B3
+#define RGBLED_NUM 4
+#define RGBLIGHT_HUE_STEP 8
+#define RGBLIGHT_SAT_STEP 8
+#define RGBLIGHT_VAL_STEP 8
+#define RGBLIGHT_LIMIT_VAL 255 /* The maximum brightness level */
+#define RGBLIGHT_SLEEP  /* If defined, the RGB lighting will be switched off when the host goes to sleep */
+
+#define RGBLIGHT_ANIMATIONS
+
+#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
+
+#define FORCE_NKRO

keyboards/polycarbdiet/s20/info.json

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+{
+    "keyboard_name": "S20 revA",
+    "url": "",
+    "maintainer": "polycarbdiet",
+    "width": 4,
+    "height": 5,
+    "layouts": {
+        "LAYOUT_ortho_5x4": {
+            "layout": [
+                {"x":0, "y":0},
+                {"x":1, "y":0},
+                {"x":2, "y":0},
+                {"x":3, "y":0},
+
+                {"x":0, "y":1},
+                {"x":1, "y":1},
+                {"x":2, "y":1},
+                {"x":3, "y":1},
+
+                {"x":0, "y":2},
+                {"x":1, "y":2},
+                {"x":2, "y":2},
+                {"x":3, "y":2},
+
+                {"x":0, "y":3},
+                {"x":1, "y":3},
+                {"x":2, "y":3},
+                {"x":3, "y":3},
+
+                {"x":0, "y":4},
+                {"x":1, "y":4},
+                {"x":2, "y":4},
+                {"x":3, "y":4}
+            ]
+        },
+        "LAYOUT_numpad_5x4":{
+            "layout": [
+                {"x":0, "y":0},
+                {"x":1, "y":0},
+                {"x":2, "y":0},
+                {"x":3, "y":0},
+
+                {"x":0, "y":1},
+                {"x":1, "y":1},
+                {"x":2, "y":1},
+
+                {"x":0, "y":2},
+                {"x":1, "y":2},
+                {"x":2, "y":2},
+                {"x":3, "y":1, "h":2},
+                {"x":0, "y":3},
+                {"x":1, "y":3},
+                {"x":2, "y":3},
+
+                {"x":0, "y":4, "w":2},
+                {"x":2, "y":4},
+                {"x":3, "y":3, "h":2}
+            ]
+        },
+        "LAYOUT_enter": {
+            "layout": [
+                {"x":0, "y":0},
+                {"x":1, "y":0},
+                {"x":2, "y":0},
+                {"x":3, "y":0},
+
+                {"x":0, "y":1},
+                {"x":1, "y":1},
+                {"x":2, "y":1},
+                {"x":3, "y":1},
+
+                {"x":0, "y":2},
+                {"x":1, "y":2},
+                {"x":2, "y":2},
+                {"x":3, "y":2},
+
+                {"x":0, "y":3},
+                {"x":1, "y":3},
+                {"x":2, "y":3},
+                {"x":3, "y":3, "h":2},
+
+                {"x":0, "y":4},
+                {"x":1, "y":4},
+                {"x":2, "y":4}
+            ]
+        }
+    }
+}

keyboards/polycarbdiet/s20/keymaps/default/keymap.c

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+/* Copyright 2020 Muhammad Galib (polycarbdiet) <pd.keyboards@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/>.
+ */
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT_ortho_5x4(
+        KC_ESC,  KC_PAST, KC_PSLS, KC_BSPC,
+        KC_P7,   KC_P8,   KC_P9,   KC_PMNS,
+        KC_P4,   KC_P5,   KC_P6,   KC_PPLS,
+        KC_P1,   KC_P2,   KC_P3,   KC_PENT,
+        KC_P0,   KC_PDOT, MO(1),   RGB_TOG
+    ),
+    [1] = LAYOUT_ortho_5x4(
+        KC_NLCK, KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_MPRV, KC_MPLY, KC_MNXT, KC_TRNS,
+        KC_VOLD, KC_MUTE, KC_VOLU, KC_TRNS,
+        RESET,   MO(2),   KC_TRNS, KC_TRNS
+    ),
+    [2] = LAYOUT_ortho_5x4(
+        RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI,
+        RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD,
+        BL_TOGG, BL_ON,   BL_INC,  BL_STEP,
+        KC_TRNS, BL_OFF,  BL_DEC,  BL_BRTG,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
+    ),
+    [3] = LAYOUT_ortho_5x4(
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
+    )
+};

keyboards/polycarbdiet/s20/keymaps/default/readme.md

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+# The default keymap for S20

keyboards/polycarbdiet/s20/readme.md

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+# S20
+
+![S20](https://i.imgur.com/RvOACqR.jpg?1)
+
+The S20 keyboard is a FR4 sandwich keyboard which was orginally designed to add extra functionality to a user's current keyboard setup.
+
+* Keyboard Maintainer: [polycarbdiet](https://github.com/polycarbdiet)
+* Hardware Supported: S20 - FR4 sandwich MacroPad/NumberPad
+* Hardware Availability: Custom, limitied quantaties. 
+
+Make example for this keyboard (after setting up your build environment):
+
+    make polycarbdiet/s20:default
+
+Flashing example for this keyboard:
+
+    make polycarbdiet/s20:default:flash
+
+**Reset Method:** 
+- Press the `RESET` button on the under side of the PCB  
+
+**Bootloader Method:** 
+- Hold down the key located at `K00`, commonly programmed as `ESC`, while plugging in the keyboard.
+- Hold down the key located at `K00`, commonly programmed as `ESC`, and press the RESET button on the PCB.
+- Hold down the key located at `K42` and then press the key located at `K40`.
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).

keyboards/polycarbdiet/s20/rules.mk

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+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+
+BOOTMAGIC_ENABLE = lite     # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = yes           # USB Nkey Rollover
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no       # Enable Bluetooth
+AUDIO_ENABLE = no           # Audio output
+
+LAYOUTS = ortho_5x4 numpad_5x4

keyboards/polycarbdiet/s20/s20.c

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+/* Copyright 2020 Muhammad Galib (polycarbdiet) <pd.keyboards@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/>.
+ */
+
+#include "s20.h"

keyboards/polycarbdiet/s20/s20.h

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+/* Copyright 2020 Muhammad Galib (polycarbdiet) <pd.keyboards@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/>.
+ */
+
+#pragma once
+
+#include "quantum.h"
+
+#define LAYOUT_ortho_5x4(   \
+    K00, K01, K02, K03, \
+    K10, K11, K12, K13, \
+    K20, K21, K22, K23, \
+    K30, K31, K32, K33, \
+    K40, K41, K42, K43  \
+) { \
+    { K00, K01, K02, K03 }, \
+    { K10, K11, K12, K13 }, \
+    { K20, K21, K22, K23 }, \
+    { K30, K31, K32, K33 }, \
+    { K40, K41, K42, K43 }  \
+}
+
+#define LAYOUT_numpad_5x4(   \
+    K00, K01, K02, K03,  \
+    K10, K11, K12,       \
+    K20, K21, K22, K13,  \
+    K30, K31, K32,       \
+    K40,    K42,   K33   \
+) { \
+    { K00, K01,   K02, K03   }, \
+    { K10, K11,   K12, K13   }, \
+    { K20, K21,   K22, KC_NO }, \
+    { K30, K31,   K32, K33   }, \
+    { K40, KC_NO, K42, KC_NO }  \
+}
+
+#define LAYOUT_enter(    \
+    K00, K01, K02, K03,  \
+    K10, K11, K12, K13,  \
+    K20, K21, K22, K23,  \
+    K30, K31, K32, K33,  \
+    K40, K41, K42        \
+) { \
+    { K00, K01, K02, K03   },  \
+    { K10, K11, K12, K13   },  \
+    { K20, K21, K22, K23   },  \
+    { K30, K31, K32, K33   },  \
+    { K40, K41, K42, KC_NO }   \
+}