SVGHMI: HMI is not speculating on PLC variable update anymore when sending new variable value.
HMI variable cache in JS was changed in advance for more responsive behaviour when updating a HMI tree variable. This was leading to display value different from hmi tree variable in case the expected update did not happen because PLC program did revert it.
// widget_display.ysl2
template "widget[@type='Display']", mode="widget_defs" {
param "hmi_element";
| frequency: 5,
| dispatch: function(value) {
choose {
when "$hmi_element[self::svg:text]"{
// TODO : care about <tspan> ?
| this.element.textContent = String(value);
}
otherwise {
warning > Display widget as a group not implemented
}
}
| },
}