Add Adafruit Macropad (#17512)

keyboards/adafruit/macropad/lib/oled_driver_spi.h

@@ -0,0 +1,29 @@
+/* Copyright 2022 Jose Pablo Ramirez <jp.ramangulo@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
+
+#ifndef OLED_DC_PIN
+#   error "The OLED driver in SPI needs a D/C pin defined"
+#endif
+#ifndef OLED_CS_PIN
+#   error "The OLED driver in SPI needs a CS pin defined"
+#endif
+#ifndef OLED_SPI_MODE
+#   define OLED_SPI_MODE 3
+#endif
+#ifndef OLED_SPI_DIVISOR
+#   define OLED_SPI_DIVISOR 2
+#endif