beremiz

SVGHMI: min and max limit for widgets can be set with assigned variables

15 months ago, Edouard Tisserant
36aab384c387
SVGHMI: min and max limit for widgets can be set with assigned variables

This is a valid Widget declaration using new feature:
HMI:Input@/TARGETPRESSURE,0,max_pressure@max_pressure=hmi_local_max_setting

tests/projects/svghmi is updated accordingly.
<?xml version='1.0' encoding='utf-8'?>
<PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<variables/>
<globals>
<xhtml:p><![CDATA[
import sys
last_payload = None
def topic_callback(topic, payload):
global last_payload
last_payload = payload
# called from PLC
def publish_example(data):
global last_payload
MQTT_publish("mqtt_0", "py_test", data)
return last_payload
]]></xhtml:p>
</globals>
<init>
<xhtml:p><![CDATA[
]]></xhtml:p>
</init>
<cleanup>
<xhtml:p><![CDATA[
]]></xhtml:p>
</cleanup>
<start>
<xhtml:p><![CDATA[
MQTT_subscribe("mqtt_0", "py_test", topic_callback)
]]></xhtml:p>
</start>
<stop>
<xhtml:p><![CDATA[
]]></xhtml:p>
</stop>
</PyFile>