beremiz

SVGHMI: more fixes for XY graph + add XY graph test.

2022-05-30, Edouard Tisserant
4f252e8d6759
SVGHMI: more fixes for XY graph + add XY graph test.
<?xml version='1.0' encoding='utf-8'?>
<MemoryArea xmlns:xsd="http://www.w3.org/2001/XMLSchema" MemoryAreaType="03 - Holding Registers" Nr_of_Channels="1"/>