309 lines
11 KiB
Python
309 lines
11 KiB
Python
import os, json, sys
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global_device_mapping = {}
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def build_device_mapping(full_tag_path):
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"""
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Builds global_device_mapping for devices that:
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- Belong to the same PLC (index 1)
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- Are children of the clicked device (start with clicked_name + "_")
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"""
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global global_device_mapping
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global_device_mapping.clear()
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try:
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# Parse PLC and clicked device
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path_parts = full_tag_path.split("/")
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plc_name = path_parts[1] if len(path_parts) > 1 else path_parts[0]
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clicked_name = path_parts[-1] if len(path_parts) > 0 else ""
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if "_VFD" in clicked_name:
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idx = clicked_name.find("_VFD")
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if idx != -1:
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clicked_name = clicked_name[:idx]
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project_name = system.util.getProjectName()
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base_path = (
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os.getcwd().replace("\\", "/")
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+ "/data/projects/"
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+ project_name
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+ "/com.inductiveautomation.perspective/Views/autStand/Detailed_Views/MCM-Views"
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)
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if not os.path.exists(base_path):
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system.perspective.print("Path not found: " + base_path)
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return {}
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# loop through all view folders
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for view_folder in os.listdir(base_path):
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json_file = os.path.join(base_path, view_folder, "view.json")
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if not os.path.isfile(json_file):
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continue
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try:
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with open(json_file, "r") as fh:
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view_json = json.load(fh)
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except Exception:
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continue
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# go one level deeper: root -> children[0] (coordinateContainer) -> its children
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root_children = (view_json.get("root") or {}).get("children") or []
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if not root_children:
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continue
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container = root_children[0]
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children = container.get("children") or []
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for child in children:
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props = child.get("props") or {}
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params = props.get("params") or {}
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tag_props = params.get("tagProps")
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if isinstance(tag_props, list) and len(tag_props) > 0:
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tag_prop = str(tag_props[0])
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parts = tag_prop.split("/")
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if len(parts) > 1 and parts[1] == plc_name:
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dev_name = parts[-1]
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if len(parts) > 3 and parts[-2] == clicked_name:
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dev_name = clicked_name + "_" + parts[-1]
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system.perspective.print(dev_name)
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# ONLY include devices that are children of clicked_name
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else:
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dev_name = parts[-1]
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prefix = clicked_name + "_"
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if dev_name.startswith(prefix) or (len(parts) > 3 and parts[-2] == clicked_name):
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global_device_mapping[dev_name] = {
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"tagPath": tag_prop,
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"zone": view_folder
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}
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return global_device_mapping
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except Exception as e:
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whid = "unknown"
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try:
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whid = system.tag.readBlocking("Configuration/FC")[0].value
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except:
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pass
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logger = system.util.getLogger("%s-build_device_mapping" % whid)
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exc_type, exc_obj, tb = sys.exc_info()
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logger.error("Error at line %s: %s" % (tb.tb_lineno, exc_obj))
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return {}
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def build_device_table(self):
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"""
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Converts global_device_mapping into a list of dictionaries:
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Keys: Device, Status
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Reads each tag value, falls back to 'Unknown' if error/null.
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"""
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rows = []
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state_mappings = {
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0: "Closed",
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1: "Actuated",
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2: "Communication Faulted",
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3: "Conveyor Running In Maintenance Mode",
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4: "Disabled",
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5: "Disconnected",
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6: "Stopped",
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7: "Enabled Not Running",
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8: "Encoder Fault",
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9: "Energy Management",
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10: "ESTOP Was Actuated",
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11: "EStopped",
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12: "EStopped Locally",
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13: "Extended Faulted",
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14: "Full",
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15: "Gaylord Start Pressed",
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16: "Jam Fault",
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17: "Jammed",
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18: "Loading Allowed",
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19: "Loading Not Allowed",
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20: "Low Air Pressure Fault Was Present",
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21: "Maintenance Mode",
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22: "Conveyor Stopped In Maintenance Mode",
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23: "Motor Faulted",
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24: "Motor Was Faulted",
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25: "Normal",
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26: "Off Inactive",
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27: "Open",
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28: "PLC Ready To Run",
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29: "Package Release Pressed",
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30: "Power Branch Was Faulted",
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31: "Pressed",
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32: "Ready To Receive",
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33: "Running",
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34: "Started",
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35: "Stopped",
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36: "System Started",
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37: "Unknown",
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38: "VFD Fault",
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39: "Conveyor Running In Power Saving Mode",
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40: "Conveyor Jogging In Maintenance Mode",
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41: "VFD Reset Required",
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42: "Jam Reset Push Button Pressed",
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43: "Start Push Button Pressed",
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44: "Stop Push Button Pressed",
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45: "No Container",
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46: "Ready To Be Enabled",
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47: "Half Full",
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48: "Enabled",
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49: "Tipper Faulted"
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}
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try:
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for dev_name, info in global_device_mapping.items():
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tagPath = info.get("tagPath", "")
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status_value = ""
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provider = "[" + self.session.custom.fc + "_SCADA_TAG_PROVIDER]"
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path = provider + tagPath + "/STATE"
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if tagPath:
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try:
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result = system.tag.readBlocking([path])[0]
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status_value = state_mappings.get(result.value, "Unknown")
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except:
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status_value = "Unknown"
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# Append as dictionary
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rows.append({
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'Device': dev_name,
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'Status': status_value
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})
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return rows
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except Exception as e:
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system.perspective.print("Error building device table: %s" % e)
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return [] # Return empty list on error
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def getAllTags(self, tagPath, section="all"):
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"""
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Reads all tags under a UDT instance (recursively) and returns a list of dictionaries.
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Supports:
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- VFD (Drive folder)
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- Conveyor (skips Drive)
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- Chute (root + PE/PRX/EN tags)
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- Single Photoeyes (PE1/PE2)
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- Single Prox Sensors (PRX1/PRX2)
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- Enable buttons (EN_Color, EN_State, EN_Priority)
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- Tracking Photoeyes (TPE, handles both folder- and struct-style UDTs)
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"""
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rows = []
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try:
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providerPath = "[" + self.session.custom.fc + "_SCADA_TAG_PROVIDER]"
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driveFolderName = "Drive"
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# === Utility: read a single atomic tag ===
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def readSingleTag(path, prefix=""):
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try:
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result = system.tag.readBlocking([providerPath + path])[0]
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value = str(result.value) if result.quality.isGood() else "Unknown"
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except:
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value = "Unknown"
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displayName = prefix + path.split("/")[-1] if prefix else path.split("/")[-1]
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rows.append({
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"Name": displayName,
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"OPC Path": path,
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"Value": value
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})
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# === Utility: recursive browse ===
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def browseRecursive(basePath, prefix=""):
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children = system.tag.browse(providerPath + basePath).getResults()
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for child in children:
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tagType = str(child.get("tagType", ""))
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name = str(child.get("name", ""))
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fullPath = str(child.get("fullPath", ""))
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if fullPath.startswith("[") and "]" in fullPath:
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fullPath = fullPath.split("]", 1)[1]
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# --- Conveyor filter (skip Drive folder) ---
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if section == "conveyor" and name == driveFolderName:
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continue
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if tagType == "Folder":
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newPrefix = prefix + name + "/" if prefix else name + "/"
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browseRecursive(basePath + "/" + name, newPrefix)
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elif tagType == "AtomicTag":
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readSingleTag(fullPath, prefix)
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# === MAIN ENTRY POINT ===
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if section == "vfd":
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# Browse only inside Drive folder
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drivePath = tagPath + "/" + driveFolderName
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browseRecursive(drivePath)
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elif tagPath.upper().endswith("/EN"):
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# --- Handle flat EN_ tags ---
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parentPath = "/".join(tagPath.split("/")[:-1])
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children = system.tag.browse(providerPath + parentPath).getResults()
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for child in children:
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tagType = str(child.get("tagType", ""))
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name = str(child.get("name", ""))
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if tagType == "AtomicTag" and name.upper().startswith("EN_"):
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fullPath = str(child.get("fullPath", ""))
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if fullPath.startswith("[") and "]" in fullPath:
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fullPath = fullPath.split("]", 1)[1]
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readSingleTag(fullPath)
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elif tagPath.upper().endswith(("PE1", "PE2", "PRX1", "PRX2")) and "/TPE/" not in tagPath.upper():
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# --- Single sensors ---
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readSingleTag(tagPath)
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else:
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# --- Default path ---
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browseResult = system.tag.browse(providerPath + tagPath).getResults()
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if not browseResult:
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# Possibly a struct-style UDT (like some TPEs)
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system.perspective.print("Empty browse for {}, checking struct value...".format(tagPath))
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try:
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result = system.tag.readBlocking([providerPath + tagPath])[0]
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value = result.value
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# If we got a STRUCT, expand it into sub-rows
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if isinstance(value, dict):
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system.perspective.print("Detected STRUCT value, expanding {}".format(tagPath))
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def flattenStruct(struct, base=""):
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for k, v in struct.items():
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newName = base + "/" + k if base else k
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if isinstance(v, dict):
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flattenStruct(v, newName)
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else:
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rows.append({
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"Name": newName,
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"OPC Path": tagPath + "/" + newName,
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"Value": str(v)
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})
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flattenStruct(value)
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else:
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# Not a struct, just read it normally
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readSingleTag(tagPath)
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except Exception as ex:
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system.perspective.print("Fallback read failed for {}: {}".format(tagPath, ex))
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else:
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# Normal case — browse folder/UDT structure
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browseRecursive(tagPath)
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return rows
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except Exception as e:
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system.perspective.print("Error in getAllTags: {}".format(e))
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return []
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