added OLED support

app/boards/shields/duckboard/README.md

@@ -2,7 +2,7 @@
 
 Last Updated: 1 Jan 2021
 
-**_warning:_** this is beta firmware, certain functions may not work fully
+**_warning:_** this is beta firmware, some features may have bugs
 
 Please message me on [discord](https://discord.gg/K3SJrtN5PJ) if you find any bugs
 

app/boards/shields/duckboard/boards/nice_nano.overlay

@@ -2,7 +2,6 @@
  * SPDX-License-Identifier: MIT
  *
  * Author: Jack Hartstein
- * Last Edited: Dec 20 2020
  */
 
 &spi1 {

app/boards/shields/duckboard/duckboard.conf

@@ -15,8 +15,11 @@ CONFIG_WS2812_STRIP=y
 # Increase BT radio power
 CONFIG_BT_CTLR_TX_PWR_PLUS_8=y
 
-# USB debugging settings
+# OLED setup
+CONFIG_I2C=y
+CONFIG_ZMK_DISPLAY=y
 
+# USB debugging settings
 # Turn on logging, and set ZMK logging to debug output
 CONFIG_LOG=y
 CONFIG_ZMK_LOG_LEVEL_DBG=y
@@ -40,4 +43,5 @@ CONFIG_UART_CONSOLE=y
 CONFIG_USB_UART_CONSOLE=y
 CONFIG_UART_CONSOLE_ON_DEV_NAME="CDC_ACM_0"
 
+# Increase log buffer size for serial debugging
 CONFIG_LOG_BUFFER_SIZE=32768

app/boards/shields/duckboard/duckboard.dtsi

@@ -17,3 +17,23 @@
         	sensors = <&left_encoder>;
     	};
 };
+
+&pro_micro_i2c {
+	status = "okay";
+
+	oled: ssd1306@3c {
+		compatible = "solomon,ssd1306fb";
+		reg = <0x3c>;
+		label = "DISPLAY";
+		width = <128>;
+		height = <32>;
+		segment-offset = <0>;
+		page-offset = <0>;
+		display-offset = <0>;
+		multiplex-ratio = <31>;
+		segment-remap;
+		com-invdir;
+		com-sequential;
+		prechargep = <0x22>;
+	};
+};