From 724ee240751fdfedf33d75fee10d2b97d9f9e3da Mon Sep 17 00:00:00 2001
From: Greg Knapp <virtual.greg@gmail.com>
Date: Tue, 28 Sep 2021 20:23:38 +0100
Subject: [PATCH] [Keyboard] Yampad VIA support (#14397)

Co-authored-by: Drashna Jaelre <drashna@live.com>
---
 keyboards/yampad/config.h              |   2 +-
 keyboards/yampad/keymaps/via/keymap.c  | 163 +++++++++++++++++++++++++
 keyboards/yampad/keymaps/via/readme.md |   9 ++
 keyboards/yampad/keymaps/via/rules.mk  |   4 +
 keyboards/yampad/rules.mk              |  21 ++--
 5 files changed, 187 insertions(+), 12 deletions(-)
 create mode 100644 keyboards/yampad/keymaps/via/keymap.c
 create mode 100644 keyboards/yampad/keymaps/via/readme.md
 create mode 100644 keyboards/yampad/keymaps/via/rules.mk

diff --git a/keyboards/yampad/config.h b/keyboards/yampad/config.h
index d04ae37d5a..b21a606ddc 100644
--- a/keyboards/yampad/config.h
+++ b/keyboards/yampad/config.h
@@ -20,7 +20,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "config_common.h"
 
 /* USB Device descriptor parameter */
-#define VENDOR_ID       0xFEED
+#define VENDOR_ID       0x5950 // YP
 #define PRODUCT_ID      0x8369
 #define DEVICE_VER      0x0001
 #define MANUFACTURER    Mattia Dal Ben
diff --git a/keyboards/yampad/keymaps/via/keymap.c b/keyboards/yampad/keymaps/via/keymap.c
new file mode 100644
index 0000000000..d22eb26177
--- /dev/null
+++ b/keyboards/yampad/keymaps/via/keymap.c
@@ -0,0 +1,163 @@
+/* MIT License
+
+Copyright (c) 2019 Mattia Dal Ben
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include QMK_KEYBOARD_H
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+enum layers {
+    _BL,
+    _NV,
+    _FN
+};
+
+enum custom_keycodes {
+    KC_DBL0 = SAFE_RANGE,
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+/* Keymap _BL: (Base Layer) Default Layer
+ * ,-------------------.
+ * | NV | /  | *  |-/FN|
+ * |----|----|----|----|
+ * | 7  | 8  | 9  |    |
+ * |----|----|----| +  |
+ * | 4  | 5  | 6  |    |
+ * |----|----|----|----|
+ * | 1  | 2  | 3  |    |
+ * |----|----|----| En |
+ * | 0  | 00 | .  |    |
+ * `-------------------'
+ */
+  [_BL] = LAYOUT(
+    TG(_NV),  KC_PSLS,  KC_PAST,   LT(_FN, KC_PMNS),
+    KC_P7,    KC_P8,    KC_P9,
+    KC_P4,    KC_P5,    KC_P6,     KC_PPLS,
+    KC_P1,    KC_P2,    KC_P3,
+    KC_P0,    KC_DBL0,  KC_PDOT,   KC_PENT
+  ),
+
+/* Keymap _NV: Navigation layer
+ * ,-------------------.
+ * |INS |HOME|PGUP|    |
+ * |----|----|----|----|
+ * |DEL |END |PGDN|    |
+ * |----|----|----|    |
+ * |    |    |    |    |
+ * |----|----|----|----|
+ * |    | UP |    |    |
+ * |----|----|----|    |
+ * |LEFT|DOWN|RIGH|    |
+ * `-------------------'
+ */
+  [_NV] = LAYOUT(
+    KC_INS,   KC_HOME,  KC_PGUP,   TG(_NV),
+    KC_DEL,   KC_END,   KC_PGDN,
+    XXXXXXX,  XXXXXXX,  XXXXXXX,   XXXXXXX,
+    XXXXXXX,  KC_UP,    XXXXXXX,
+    KC_LEFT,  KC_DOWN,  KC_RGHT,   XXXXXXX
+  ),
+
+/* Keymap _FN: RGB Function Layer
+ * ,-------------------.
+ * |RMOD|RGBP|RTOG| FN |
+ * |----|----|----|----|
+ * |HUD |HUI |    |    |
+ * |----|----|----|    |
+ * |SAD |SAI |    |    |
+ * |----|----|----|----|
+ * |VAD |VAS |    |    |
+ * |----|----|----|    |
+ * |RST |    |    |    |
+ * `-------------------'
+ */
+  [_FN] = LAYOUT(
+    RGB_MOD,  RGB_M_P,  RGB_TOG,   _______,
+    RGB_HUD,  RGB_HUI,  XXXXXXX,
+    RGB_SAD,  RGB_SAI,  XXXXXXX,   XXXXXXX,
+    RGB_VAD,  RGB_VAI,  XXXXXXX,
+    RESET,    XXXXXXX,  XXXXXXX,   XXXXXXX
+  ),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+    case KC_DBL0:
+      if (record->event.pressed) {
+        SEND_STRING("00");
+      } else {
+        // when keycode KC_DBL0 is released
+      }
+      break;
+
+  }
+  return true;
+};
+
+#ifdef OLED_ENABLE
+
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+    return OLED_ROTATION_270;  // flips the display 270 degrees
+}
+
+void oled_task_user(void) {
+  // Host Keyboard Layer Status
+  oled_write_P(PSTR("Layer"), false);
+  switch (get_highest_layer(layer_state)) {
+    case _BL:
+      oled_write_ln_P(PSTR(" BAS"), false);
+      break;
+    case _NV:
+      oled_write_ln_P(PSTR(" NAV"), false);
+      break;
+    case _FN:
+      oled_write_ln_P(PSTR(" RGB"), false);
+      break;
+    default:
+      // Or use the write_ln shortcut over adding '\n' to the end of your string
+      oled_write_ln_P(PSTR(" UND"), false);
+  }
+
+  // Host Keyboard LED Status
+  led_t led_state = host_keyboard_led_state();
+  oled_write_P(PSTR("-----"), false);
+  oled_write_P(PSTR("Stats"), false);
+  oled_write_P(led_state.num_lock ? PSTR("num:*") : PSTR("num:."), false);
+  oled_write_P(led_state.caps_lock ? PSTR("cap:*") : PSTR("cap:."), false);
+  oled_write_P(led_state.scroll_lock ? PSTR("scr:*") : PSTR("scr:."), false);
+
+  // Host Keyboard RGB backlight status
+  oled_write_P(PSTR("-----"), false);
+  oled_write_P(PSTR("Light"), false);
+
+  static char led_buf[30];
+  snprintf(led_buf, sizeof(led_buf) - 1, "RGB:%cM: %2d\nh: %2ds: %2dv: %2d\n",
+      rgblight_is_enabled() ? '*' : '.', (uint8_t)rgblight_get_mode(),
+      (uint8_t)(rgblight_get_hue() / RGBLIGHT_HUE_STEP),
+      (uint8_t)(rgblight_get_sat() / RGBLIGHT_SAT_STEP),
+      (uint8_t)(rgblight_get_val() / RGBLIGHT_VAL_STEP));
+  oled_write(led_buf, false);
+}
+#endif
diff --git a/keyboards/yampad/keymaps/via/readme.md b/keyboards/yampad/keymaps/via/readme.md
new file mode 100644
index 0000000000..29ea4d3cdd
--- /dev/null
+++ b/keyboards/yampad/keymaps/via/readme.md
@@ -0,0 +1,9 @@
+![Yampad Layout Image](https://i.imgur.com/QwrufEt.png)
+
+# VIA Yampad Layout
+
+This is the layout in the VIA enabled firmware. 
+Optional 2U zero key to suit your Yampad build.
+
+Compile: `make yampad:via`  
+Flash: `make yampad:via:flash`
diff --git a/keyboards/yampad/keymaps/via/rules.mk b/keyboards/yampad/keymaps/via/rules.mk
new file mode 100644
index 0000000000..9bf0baa685
--- /dev/null
+++ b/keyboards/yampad/keymaps/via/rules.mk
@@ -0,0 +1,4 @@
+EXTRAKEY_ENABLE = no
+LTO_ENABLE = yes
+MOUSEKEY_ENABLE = no
+VIA_ENABLE = yes
diff --git a/keyboards/yampad/rules.mk b/keyboards/yampad/rules.mk
index 5e14808709..667620e93b 100644
--- a/keyboards/yampad/rules.mk
+++ b/keyboards/yampad/rules.mk
@@ -7,18 +7,17 @@ BOOTLOADER = caterina
 # Build Options
 #   change yes to no to disable
 #
-BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = no        # Mouse keys
-EXTRAKEY_ENABLE = no        # Audio control and System control
-CONSOLE_ENABLE = no         # Console for debug
+AUDIO_ENABLE = no           # Audio output
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
 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
+CONSOLE_ENABLE = no         # Console for debug
+DEBOUNCE_TYPE = sym_eager_pk
+EXTRAKEY_ENABLE = no        # Audio control and System control
+LTO_ENABLE = yes            # Link time optimise, reduce firmware size
+MOUSEKEY_ENABLE = no        # Mouse keys
 # 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 = no       # Enable keyboard backlight functionality
-RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
-AUDIO_ENABLE = no           # Audio output
-OLED_ENABLE = yes
 OLED_DRIVER = SSD1306
-DEBOUNCE_TYPE = sym_eager_pk
+OLED_ENABLE = yes
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow