Add a new keyboard "Unicorne" (#12993)

* Add keyboards/yanghu/unicorne initial files.

* add default keymap to yanghu/unicorne

* use slow i2c and enable internal pullup resistor

* add oled to default keymaps

* fix unicorne default keymap

* fix encoder pad direction

* fix marauder

* add led matrix configs.

* add encoder code to default keymap.

* fix encoder direction

* add readme, info.json and update copyright for c files.

* fix build error by clean up include in unicorne.c

* fix images in readme files

* Fix various issues in PR #12993 feedback.

* Added copyright in glcdfont, fix include in that file.
* Removed `_kc` layout and renamed layout with generic style.
* Moved capslock oled update to oled.c inside `oled_task_user()`.

* Update keyboards/yanghu/unicorne/keymaps/default/rules.mk

Always include oled.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/yanghu/unicorne/keymaps/default/oled.c

Wrap `oled.c` with ifdef.

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/yanghu/unicorne/keymaps/default/oled.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* move oled code to unicorne.c, and set weakly.

* Update keyboards/yanghu/unicorne/config.h

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/yanghu/unicorne/keymaps/default/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/yanghu/unicorne/keymaps/default/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/yanghu/unicorne/keymaps/default/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/yanghu/unicorne/unicorne.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/yanghu/unicorne/readme.md

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/yanghu/unicorne/readme.md

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/yanghu/unicorne/readme.md

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/yanghu/unicorne/readme.md

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/yanghu/unicorne/keymaps/default/oled.c

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/yanghu/unicorne/f411/rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/yanghu/unicorne/rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* remove oled.h

* remove include of oled.h after the file is deleted.

* Apply suggestions from code review: remove redundant macros and reformat.

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

* Apply suggestions from code review: change OLED driver macro.

Use `OLED_ENABLE` instead of `OLED_DRIVER_ENABLE`.

Co-authored-by: Jonathan Rascher <jon@bcat.name>

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Jonathan Rascher <jon@bcat.name>

3 files changed, 66 insertions, 0 deletions

diff --git a/keyboards/yanghu/unicorne/f411/halconf.h b/keyboards/yanghu/unicorne/f411/halconf.h
new file mode 100644
index 0000000000..d28ae12fde
--- /dev/null
+++ b/keyboards/yanghu/unicorne/f411/halconf.h
@@ -0,0 +1,27 @@
+/* Copyright 2020 QMK
+ *
+ * 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
+
+/* PWM for AUDIO and RGB LED */
+#define HAL_USE_PWM TRUE
+/* GPT and PAL for Audio */
+#define HAL_USE_GPT TRUE
+#define HAL_USE_PAL TRUE
+/* I2C for OLED display */
+#define HAL_USE_I2C TRUE
+
+#include_next <halconf.h>
diff --git a/keyboards/yanghu/unicorne/f411/mcuconf.h b/keyboards/yanghu/unicorne/f411/mcuconf.h
new file mode 100644
index 0000000000..f4dc31bff2
--- /dev/null
+++ b/keyboards/yanghu/unicorne/f411/mcuconf.h
@@ -0,0 +1,34 @@
+/* Copyright 2020 QMK
+ *
+ * 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_next <mcuconf.h>
+
+/* TIM1 PWM used for audio driver */
+#undef STM32_PWM_USE_TIM1
+#define STM32_PWM_USE_TIM1 TRUE
+/* TIM5 GPT used for audio driver */
+#undef STM32_GPT_USE_TIM4
+#define STM32_GPT_USE_TIM4 TRUE
+
+/* TIM3 used for WS2812 driver */
+#undef STM32_PWM_USE_TIM3
+#define STM32_PWM_USE_TIM3 TRUE
+
+/* I2C used for OLED display */
+#undef STM32_I2C_USE_I2C1
+#define STM32_I2C_USE_I2C1 TRUE
diff --git a/keyboards/yanghu/unicorne/f411/rules.mk b/keyboards/yanghu/unicorne/f411/rules.mk
new file mode 100644
index 0000000000..b32a8b7f5b
--- /dev/null
+++ b/keyboards/yanghu/unicorne/f411/rules.mk
@@ -0,0 +1,5 @@
+# MCU name
+MCU = STM32F411
+
+# Bootloader selection
+BOOTLOADER = stm32-dfu