code_template.c , modified from developer.nordicsemi.com/.../bds_plugin_1.2.2_nRF5_SDK_11.0.0.zip
code_template.c, changed line #45 to
<%= field.FormatType() %>_t <%= field.NormalizedName() %> = 0;<%
was
<%= field.FormatType() %>_t <%= field.NormalizedName() %>;<%
due to code generation using uninitialised local variable