User's Manual
8 UserSettings - Module configuration values
8.1 Difference between volatile and non-volatile settings
The so-called UserSettings are stored permanently into the internal flash of the module.
At start-up, these UserSettings are loaded as start values into the volatile settings ("Run-
timeSettings"). Some of the RuntimeSettings can be modified by special commands (see
chapter
7.4
). These RuntimeSettings are lost and replaced by the UserSettings content
when the module is restarted.
See chapters
7.4
and
7.5
for methods to change volatile and/or non-volatile
settings.
The non-volatile UserSettings can be modified by means of specific commands in the con-
figuration mode (
CMD_SET_REQ
) of the module. These parameters are stored permanently in
the module’s flash memory. All settings are described on the following pages. After changing
those parameters, a reset will be necessary to make use of the new settings.
The validity of the specified parameters given with a
CMD_SET_REQ
is not veri-
fied. Incorrect values can result in device malfunction and may even result in
the need of re-flashing the entire module firmware!
8.2 Modifying the UserSettings
The following chapters will give examples for the modification for many parameters using the
commands
CMD_SET_REQ
and
CMD_GET_REQ
. The PC software ACC (AMBER Config Center,
version 3.4.3 or newer) can also be used to change non-volatile parameters.
8.2.1 UART_Baudrate: Configure the UART speed
Settings
index
Designation
Permissible
values
Default value Permissions
Number
of
Bytes
0
UART_Baudrate
9600 -
921600
115200 read/write
4
The UserSetting
UART_Baudrate
is a 32 Bit field that contains the symbol rate for the com-
munication interface. The format for the parametervalue is LSB first.
After changing the baud rate using the
CMD_SET_REQ
the module restarts using
the new baud rate. Thus, please do not forget to update the baud rate of the
connected host controller to be able to use the module’s UART further on.
Themisto-I reference manual version 1.0 © August 2019
www.we-online.com/wireless-connectivity 38