Increase serial line speed to 230400 bauds.

helpers/cmds-help.sh

@@ -19,9 +19,6 @@
 #
 
 
-case `uname -s` in 
-    FreeBSD) cu='cu -s 115200 -l /dev/cua?' ;;
-esac
 		
 cat <<EOF
 A small remainder of the commands to run:
@@ -38,12 +35,10 @@ west build -t menuconfig
 * to flash the firmware:
 west flash --runner openocd --openocd /opt/openocd/bin/openocd
 
-EOF
-
-if [ -n "$cu" ]; then
-    cat <<EOF
-* to connect to the console:
-$cu
+* to connect to the console using either cu or screen:
+  (note: speed is 230400 for the nrf52840_mdk)
+cu -s 115200 -l /dev/cua?
+screen /dev/cua? 115200
 
 EOF
-fi
+

redskin/boards/nrf52840_mdk.overlay

@@ -5,6 +5,10 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+&uart0 {
+	current-speed = <230400>;
+};
+
 &pinctrl {
     i2c0_default: i2c0_default {
         group1 {