author | Edouard Tisserant |
Tue, 17 Mar 2020 14:01:37 +0100 | |
branch | svghmi |
changeset 2881 | 3bb49f93d48c |
parent 1966 | 08f70b33bc9f |
child 2741 | 3cc5663af196 |
permissions | -rw-r--r-- |
814 | 1 |
#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# This file is part of Beremiz, a Integrated Development Environment for |
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival. |
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# |
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# Copyright (C) 2012: Edouard TISSERANT and Laurent BESSARD |
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# |
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# See COPYING file for copyrights details. |
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# |
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# This program is free software; you can redistribute it and/or |
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# modify it under the terms of the GNU General Public License |
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# as published by the Free Software Foundation; either version 2 |
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# of the License, or (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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from __future__ import absolute_import |
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from datetime import timedelta |
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import binascii |
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import numpy |
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from graphics.DebugDataConsumer import DebugDataConsumer, TYPE_TRANSLATOR |
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# ------------------------------------------------------------------------------- |
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# Constant for calculate CRC for string variables |
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# ------------------------------------------------------------------------------- |
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STRING_CRC_SIZE = 8 |
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STRING_CRC_MASK = 2 ** STRING_CRC_SIZE - 1 |
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# ------------------------------------------------------------------------------- |
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# Debug Variable Item Class |
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# ------------------------------------------------------------------------------- |
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class DebugVariableItem(DebugDataConsumer): |
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""" |
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Class that implements an element that consumes debug values for PLC variable and |
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stores received values for displaying them in graphic panel or table |
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""" |
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def __init__(self, parent, variable, store_data=False): |
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""" |
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Constructor |
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@param parent: Reference to debug variable panel |
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@param variable: Path of variable to debug |
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""" |
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DebugDataConsumer.__init__(self) |
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self.Parent = parent |
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self.Variable = variable |
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self.StoreData = store_data |
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# Get Variable data type |
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self.RefreshVariableType() |
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def __del__(self): |
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""" |
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Destructor |
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""" |
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# Reset reference to debug variable panel |
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self.Parent = None |
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def SetVariable(self, variable): |
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""" |
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Set path of variable |
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@param variable: Path of variable to debug |
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""" |
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if self.Parent is not None and self.Variable != variable: |
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# Store variable path |
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self.Variable = variable |
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# Get Variable data type |
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self.RefreshVariableType() |
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# Refresh debug variable panel |
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self.Parent.RefreshView() |
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def GetVariable(self, mask=None): |
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""" |
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Return path of variable |
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@param mask: Mask to apply to variable path [var_name, '*',...] |
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@return: String containing masked variable path |
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""" |
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# Apply mask to variable name |
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if mask is not None: |
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# '#' correspond to parts that are different between all items |
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# Extract variable path parts |
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parts = self.Variable.split('.') |
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# Adjust mask size to size of variable path |
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mask = mask + ['*'] * max(0, len(parts) - len(mask)) |
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# Store previous mask |
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last = None |
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# Init masked variable path |
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variable = "" |
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for m, p in zip(mask, parts): |
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# Part is not masked, add part prefixed with '.' is previous |
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# wasn't masked |
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if m == '*': |
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variable += ('.' if last == '*' else '') + p |
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# Part is mask, add '..' if first or previous wasn't masked |
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elif last is None or last == '*': |
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variable += '..' |
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last = m |
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return variable |
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return self.Variable |
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def RefreshVariableType(self): |
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""" |
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Get and store variable data type |
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""" |
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self.VariableType = self.Parent.GetDataType(self.Variable) |
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# Reset data stored |
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self.ResetData() |
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def GetVariableType(self): |
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""" |
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Return variable data type |
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@return: Variable data type |
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""" |
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return self.VariableType |
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def GetData(self, start_tick=None, end_tick=None): |
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""" |
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Return data stored contained in given range |
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@param start_tick: Start tick of given range (default None, first data) |
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@param end_tick: end tick of given range (default None, last data) |
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@return: Data as numpy.array([(tick, value, forced),...]) |
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""" |
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# Return immediately if data empty or none |
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if self.Data is None or len(self.Data) == 0: |
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return self.Data |
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|
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# Find nearest data outside given range indexes |
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start_idx = (self.GetNearestData(start_tick, -1) |
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if start_tick is not None |
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else 0) |
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end_idx = (self.GetNearestData(end_tick, 1) |
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if end_tick is not None |
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else len(self.Data)) |
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|
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# Return data between indexes |
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return self.Data[start_idx:end_idx] |
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def GetRawValue(self, index): |
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""" |
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Return raw value at given index for string variables |
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@param index: Variable value index |
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@return: Variable data type |
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164 |
""" |
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if self.VariableType in ["STRING", "WSTRING"] and index < len(self.RawData): |
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return self.RawData[index][0] |
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return "" |
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|
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def GetValueRange(self): |
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""" |
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Return variable value range |
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@return: (minimum_value, maximum_value) |
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173 |
""" |
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return self.MinValue, self.MaxValue |
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175 |
|
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176 |
def GetDataAndValueRange(self, start_tick, end_tick, full_range=True): |
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""" |
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178 |
Return variable data and value range for a given tick range |
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@param start_tick: Start tick of given range (default None, first data) |
180 |
@param end_tick: end tick of given range (default None, last data) |
|
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@param full_range: Value range is calculated on whole data (False: only |
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182 |
calculated on data in given range) |
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@return: (numpy.array([(tick, value, forced),...]), |
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min_value, max_value) |
185 |
""" |
|
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186 |
# Get data in given tick range |
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187 |
data = self.GetData(start_tick, end_tick) |
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188 |
|
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189 |
# Value range is calculated on whole data |
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190 |
if full_range: |
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191 |
return data, self.MinValue, self.MaxValue |
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192 |
|
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193 |
# Check that data in given range is not empty |
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194 |
values = data[:, 1] |
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195 |
if len(values) > 0: |
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196 |
# Return value range for data in given tick range |
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197 |
return (data, |
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198 |
data[numpy.argmin(values), 1], |
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data[numpy.argmax(values), 1]) |
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200 |
|
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201 |
# Return default values |
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202 |
return data, None, None |
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203 |
|
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204 |
def ResetData(self): |
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205 |
""" |
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206 |
Reset data stored when store data option enabled |
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207 |
""" |
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208 |
if self.StoreData and self.IsNumVariable(): |
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209 |
# Init table storing data |
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210 |
self.Data = numpy.array([]).reshape(0, 3) |
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211 |
|
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212 |
# Init table storing raw data if variable is strin |
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213 |
self.RawData = ([] |
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214 |
if self.VariableType in ["STRING", "WSTRING"] |
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215 |
else None) |
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216 |
|
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217 |
# Init Value range variables |
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218 |
self.MinValue = None |
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219 |
self.MaxValue = None |
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220 |
|
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221 |
else: |
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222 |
self.Data = None |
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223 |
self.MinValue = None |
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224 |
self.MaxValue = None |
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225 |
# Init variable value |
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226 |
self.Value = "" |
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|
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def IsNumVariable(self): |
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229 |
""" |
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230 |
Return if variable data type is numeric. String variables are |
1962
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231 |
considered as numeric (string CRC). Time variables are considered |
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232 |
as number of seconds |
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233 |
@return: True if data type is numeric |
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234 |
""" |
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235 |
return (self.Parent.IsNumType(self.VariableType) or |
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self.VariableType in ["STRING", "WSTRING", "TIME", "TOD", "DT", "DATE"]) |
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237 |
|
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238 |
def NewValues(self, ticks, values): |
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239 |
""" |
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240 |
Function called by debug thread when a new debug value is available |
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241 |
@param tick: PLC tick when value was captured |
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242 |
@param value: Value captured |
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243 |
@param forced: Forced flag, True if value is forced (default: False) |
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244 |
""" |
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245 |
DebugDataConsumer.NewValues(self, ticks[-1], values[-1], raw=None) |
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246 |
|
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247 |
if self.Data is not None: |
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248 |
|
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249 |
if self.VariableType in ["STRING", "WSTRING"]: |
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250 |
last_raw_data = (self.RawData[-1] |
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251 |
if len(self.RawData) > 0 else None) |
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252 |
last_raw_data_idx = len(self.RawData) - 1 |
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253 |
|
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254 |
data_values = [] |
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255 |
for tick, (value, forced) in zip(ticks, values): |
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256 |
# Translate forced flag to float for storing in Data table |
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257 |
forced_value = float(forced) |
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|
258 |
|
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|
259 |
if self.VariableType in ["STRING", "WSTRING"]: |
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260 |
# String data value is CRC |
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|
261 |
num_value = (binascii.crc32(value) & STRING_CRC_MASK) |
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|
262 |
elif self.VariableType in ["TIME", "TOD", "DT", "DATE"]: |
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|
263 |
# Numeric value of time type variables |
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264 |
# is represented in seconds |
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|
265 |
num_value = float(value.total_seconds()) |
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|
266 |
else: |
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267 |
num_value = float(value) |
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268 |
|
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269 |
# Update variable range values |
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270 |
self.MinValue = (min(self.MinValue, num_value) |
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271 |
if self.MinValue is not None |
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|
272 |
else num_value) |
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273 |
self.MaxValue = (max(self.MaxValue, num_value) |
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|
274 |
if self.MaxValue is not None |
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|
275 |
else num_value) |
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|
276 |
|
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|
277 |
# In the case of string variables, we store raw string value and |
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|
278 |
# forced flag in raw data table. Only changes in this two values |
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279 |
# are stored. Index to the corresponding raw value is stored in |
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|
280 |
# data third column |
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|
281 |
if self.VariableType in ["STRING", "WSTRING"]: |
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|
282 |
raw_data = (value, forced_value) |
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|
283 |
if len(self.RawData) == 0 or last_raw_data != raw_data: |
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|
284 |
last_raw_data_idx += 1 |
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|
285 |
last_raw_data = raw_data |
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|
286 |
self.RawData.append(raw_data) |
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|
287 |
extra_value = last_raw_data_idx |
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288 |
|
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|
289 |
# In other case, data third column is forced flag |
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|
290 |
else: |
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|
291 |
extra_value = forced_value |
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|
292 |
|
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|
293 |
data_values.append( |
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|
294 |
[float(tick), num_value, extra_value]) |
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|
295 |
|
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|
296 |
# Add New data to stored data table |
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|
297 |
self.Data = numpy.append(self.Data, data_values, axis=0) |
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|
298 |
|
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|
299 |
# Signal to debug variable panel to refresh |
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|
300 |
self.Parent.HasNewData = True |
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|
301 |
|
814 | 302 |
def SetForced(self, forced): |
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|
303 |
""" |
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|
304 |
Update Forced flag |
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|
305 |
@param forced: New forced flag |
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|
306 |
""" |
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|
307 |
# Store forced flag |
814 | 308 |
if self.Forced != forced: |
309 |
self.Forced = forced |
|
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|
310 |
|
1193
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|
311 |
# Signal to debug variable panel to refresh |
814 | 312 |
self.Parent.HasNewData = True |
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|
313 |
|
814 | 314 |
def SetValue(self, value): |
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|
315 |
""" |
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|
316 |
Update value. |
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|
317 |
@param value: New value |
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|
318 |
""" |
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|
319 |
# Remove quote and double quote surrounding string value to get raw value |
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|
320 |
if self.VariableType == "STRING" and value.startswith("'") and value.endswith("'") or \ |
1766
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clean-up: fix PEP8 E129 visually indented line with same indent as next logical line
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|
321 |
self.VariableType == "WSTRING" and value.startswith('"') and value.endswith('"'): |
892
771581a6b0be
Fix bug with representation of string variable value in DebugVariablePanel
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diff
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|
322 |
value = value[1:-1] |
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|
323 |
|
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|
324 |
# Store variable value |
814 | 325 |
if self.Value != value: |
326 |
self.Value = value |
|
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|
327 |
|
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|
328 |
# Signal to debug variable panel to refresh |
814 | 329 |
self.Parent.HasNewData = True |
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|
330 |
|
924
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|
331 |
def GetValue(self, tick=None, raw=False): |
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|
332 |
""" |
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|
333 |
Return current value or value and forced flag for tick given |
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|
334 |
@return: Current value or value and forced flag |
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|
335 |
""" |
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|
336 |
# If tick given and stored data option enabled |
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|
337 |
if tick is not None and self.Data is not None: |
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|
338 |
|
1193
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|
339 |
# Return current value and forced flag if data empty |
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|
340 |
if len(self.Data) == 0: |
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|
341 |
return self.Value, self.IsForced() |
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|
342 |
|
1193
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|
343 |
# Get index of nearest data from tick given |
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|
344 |
idx = self.GetNearestData(tick, 0) |
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|
345 |
|
1193
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|
346 |
# Get value and forced flag at given index |
1767
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|
347 |
value, forced = \ |
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|
348 |
self.RawData[int(self.Data[idx, 2])] \ |
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|
349 |
if self.VariableType in ["STRING", "WSTRING"] \ |
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|
350 |
else self.Data[idx, 1:3] |
1730
64d8f52bc8c8
clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1571
diff
changeset
|
351 |
|
1962
f41dc3829af6
fix display TIME type variables in debug variable panel
Surkov Sergey <surkovsv93@gmail.com>
parents:
1881
diff
changeset
|
352 |
if self.VariableType in ["TIME", "TOD", "DT", "DATE"]: |
f41dc3829af6
fix display TIME type variables in debug variable panel
Surkov Sergey <surkovsv93@gmail.com>
parents:
1881
diff
changeset
|
353 |
value = timedelta(seconds=value) |
f41dc3829af6
fix display TIME type variables in debug variable panel
Surkov Sergey <surkovsv93@gmail.com>
parents:
1881
diff
changeset
|
354 |
|
1193
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
355 |
# Get raw value if asked |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
356 |
if not raw: |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
357 |
value = TYPE_TRANSLATOR.get( |
1878
fb73a6b6622d
fix pylint warning '(bad-continuation) Wrong hanging indentation before block'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1832
diff
changeset
|
358 |
self.VariableType, str)(value) |
1730
64d8f52bc8c8
clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1571
diff
changeset
|
359 |
|
1193
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
360 |
return value, forced |
1730
64d8f52bc8c8
clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1571
diff
changeset
|
361 |
|
1193
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
362 |
# Return raw value if asked |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
363 |
if not raw and self.VariableType in ["STRING", "WSTRING"]: |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
364 |
return TYPE_TRANSLATOR.get( |
1878
fb73a6b6622d
fix pylint warning '(bad-continuation) Wrong hanging indentation before block'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1832
diff
changeset
|
365 |
self.VariableType, str)(self.Value) |
814 | 366 |
return self.Value |
367 |
||
902
ffa8ee5ee2fe
Adding support for defining a time range for DebugVariablePanel graphics and navigating across the recording.
Laurent Bessard
parents:
898
diff
changeset
|
368 |
def GetNearestData(self, tick, adjust): |
1193
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
369 |
""" |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
370 |
Return index of nearest data from tick given |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
371 |
@param tick: Tick where find nearest data |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
372 |
@param adjust: Constraint for data position from tick |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
373 |
-1: older than tick |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
374 |
1: newer than tick |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
375 |
0: doesn't matter |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
376 |
@return: Index of nearest data |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
377 |
""" |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
378 |
# Return immediately if data is empty |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
379 |
if self.Data is None: |
916
697d8b77d716
Improved matplotlib graphic debug panel implementation, adding force, release, split and delete graph buttons, replacing data grid by adding panel displaying non-numeric data between graphs
Laurent Bessard
parents:
912
diff
changeset
|
380 |
return None |
1730
64d8f52bc8c8
clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1571
diff
changeset
|
381 |
|
1193
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
382 |
# Extract data ticks |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
383 |
ticks = self.Data[:, 0] |
1730
64d8f52bc8c8
clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1571
diff
changeset
|
384 |
|
1193
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
385 |
# Get nearest data from tick |
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
386 |
idx = numpy.argmin(abs(ticks - tick)) |
1730
64d8f52bc8c8
clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1571
diff
changeset
|
387 |
|
1193
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
388 |
# Adjust data index according to constraint |
1766
c1e5b9f19483
clean-up: fix PEP8 E129 visually indented line with same indent as next logical line
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1736
diff
changeset
|
389 |
if adjust < 0 and ticks[idx] > tick and idx > 0 or \ |
c1e5b9f19483
clean-up: fix PEP8 E129 visually indented line with same indent as next logical line
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1736
diff
changeset
|
390 |
adjust > 0 and ticks[idx] < tick and idx < len(ticks): |
1193
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
391 |
idx += adjust |
1730
64d8f52bc8c8
clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents:
1571
diff
changeset
|
392 |
|
1193
59c196884fec
Moved and start to rewrite DebugVariablePanel splitting it into multiple files
Laurent Bessard
parents:
1192
diff
changeset
|
393 |
return idx |