[Keyboard] frobiac custom boards and layout (#19883)

keyboards/frobiac/blackbowl/config.h

@@ -0,0 +1,56 @@
+// Copyright 2012 Jun Wako <wakojun@gmail.com>
+// Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
+// Copyright 2017 Erin Call <hello@erincall.com>
+// Copyright 2023 @frobiac
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define MATRIX_ROWS 10
+#define MATRIX_COLS 4
+#define EXPANDER_COL_REGISTER GPIOA
+#define EXPANDER_ROW_REGISTER GPIOB
+
+#ifdef PS2_MOUSE_ENABLE
+#    define PS2_MOUSE_USE_REMOTE_MODE
+#    define PS2_MOUSE_INIT_DELAY 1000
+#endif
+
+// clang-format off
+#ifdef PS2_DRIVER_USART
+
+#    define PS2_CLOCK_PIN D5
+#    define PS2_DATA_PIN D2
+
+    /* synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge */
+    /* set DDR of CLOCK as input to be slave */
+    #define PS2_USART_INIT() do {   \
+        PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT);   \
+        PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT);     \
+        UCSR1C = ((1 << UMSEL10) |  \
+                  (3 << UPM10)   |  \
+                  (0 << USBS1)   |  \
+                  (3 << UCSZ10)  |  \
+                  (0 << UCPOL1));   \
+        UCSR1A = 0;                 \
+        UBRR1H = 0;                 \
+        UBRR1L = 0;                 \
+    } while (0)
+    #define PS2_USART_RX_INT_ON() do {  \
+        UCSR1B = ((1 << RXCIE1) |       \
+                  (1 << RXEN1));        \
+    } while (0)
+    #define PS2_USART_RX_POLL_ON() do { \
+        UCSR1B = (1 << RXEN1);          \
+    } while (0)
+    #define PS2_USART_OFF() do {    \
+        UCSR1C = 0;                 \
+        UCSR1B &= ~((1 << RXEN1) |  \
+                    (1 << TXEN1));  \
+    } while (0)
+    #define PS2_USART_RX_READY      (UCSR1A & (1<<RXC1))
+    #define PS2_USART_RX_DATA       UDR1
+    #define PS2_USART_ERROR         (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1)))
+    #define PS2_USART_RX_VECT       USART1_RX_vect
+#endif
+