RAK815 WIP - use 115200 for serial to USB on this board, best it can do

platformio.ini

@@ -189,6 +189,8 @@ board = rak815
 debug_tool = jlink
 upload_protocol = jlink
 monitor_port = /dev/ttyUSB0
+; this board's serial chip can only run at 115200, not faster
+monitor_speed = 115200 
 
 # For experimenting with RAM sizes
 # board_build.ldscript = linker/nrf52840_s140_sim832.ld

src/configuration.h

@@ -297,7 +297,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // DEBUG
 // -----------------------------------------------------------------------------
 
+#ifdef CONSOLE_MAX_BAUD
+#define SERIAL_BAUD CONSOLE_MAX_BAUD
+#else
 #define SERIAL_BAUD 921600 // Serial debug baud rate
+#endif 
 
 #include "SerialConsole.h"