Issue:
BAK811 freezes on UART reads
Setup:
Orange Pi PC plus, Armbian, RAK811, Ararat Synaser serial library
Server:
N/A
Details:
When doing UART reads in rapid succession 811 becomes non-reponsive. Adding 10mS pause betwen reads usually fixes this, but not always. This is not consistent across different Pi/811 setups. (We have several).
Thank you
Most of the common micro-controllers, Arduino particularly, have a measurable % error in clock rate at the default 115200 baud that a RAK811 ships as set to.
So you are well advised to connect via a serial to USB cable and use the RAK serial tool to set it to something slower - many suggestions are 9600 but I hear that 57600 is about the upper limit.
DOH! Have heard of this phenomenon before. Never connected them. Will try this out, thanks