414 lines
13 KiB
Python
Executable File
414 lines
13 KiB
Python
Executable File
# -*- coding: utf-8 -*-
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#!/usr/bin/python
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import sys, os, random
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import xml.etree.ElementTree as etree
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import pylab
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from PyQt4 import QtGui, QtCore
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from numpy import arange, sin, pi, array, linspace, arange
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from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
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from matplotlib.figure import Figure
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from matplotlib.lines import Line2D
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from matplotlib.path import Path
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import matplotlib.patches as patches
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from scipy.interpolate import *
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progname = os.path.basename(sys.argv[0])
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progversion = "0.1"
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class State(object):
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def __init__(self, name, temp):
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self.name = name
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self.temp = temp
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class Solder(object):
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def __init__(self):
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self.psteps = []
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self.durations = dict()
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self.rates = dict()
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self.name = None
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#start = self.add_state("start", 25)
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#ps = self.add_state("preheat start", 150)
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#pe = self.add_state("preheat end", 185)
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#tal = self.add_state("tal", 220)
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#peak = self.add_state("peak", 250)
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#end = self.add_state("end", 25)
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#self.add_duration((ps, pe), 100)
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#self.add_duration((tal, peak, tal), 100)
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#self.add_rate((start, ps), 1)
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#self.add_rate((ps, pe), 1)
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#self.add_rate((pe, tal), 1)
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#self.add_rate((tal, end), -2)
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def __unicode__(self):
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return unicode(self.name)
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def __str__(self):
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return self.name
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def add_state(self, name, temp):
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s = State(name, temp)
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self.psteps.append(s)
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return s
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def add_rate(self, states, rate):
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self.rates[states] = rate
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def add_duration(self, states, duration):
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self.durations[states] = duration
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def get_state(self, name):
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for i in self.psteps:
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if i.name == name:
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return i
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return None
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def calc_profile(self):
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x = list()
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y = list()
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self.time = 0
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used_steps = set()
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for pstep in self.psteps:
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#print "-- ", repr(pstep.name), pstep.temp, pstep.used, self.time, x, y
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if pstep != self.psteps[0] and pstep not in used_steps:
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ix = self.psteps.index(pstep)
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raise Exception("step %r not connected to step %r or step %r" % (pstep.name, self.psteps[ix-1].name, self.psteps[ix+1].name))
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psteps = None
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duration = None
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for sts, dur in self.durations.iteritems():
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if sts[0] == pstep:
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duration = dur
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psteps = sts
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break
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if pstep not in used_steps:
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used_steps.add(pstep)
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x.append(self.time)
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y.append(pstep.temp)
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if duration is not None:
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if len(psteps) == 3:
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used_steps.add(psteps[1])
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used_steps.add(psteps[2])
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self.time += duration / 2
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x.append(self.time)
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y.append(psteps[1].temp)
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#print "3er duration", (self.time, psteps[1].temp)
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self.time += duration / 2
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x.append(self.time)
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y.append(psteps[2].temp)
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#print "3er duration", (self.time, psteps[2].temp)
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else:
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y.append(psteps[1].temp)
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used_steps.add(psteps[1])
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self.time += duration
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x.append(self.time)
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#print "2er duration", (self.time, psteps[1].temp)
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else:
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for sts, rate in self.rates.iteritems():
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if sts[0] == pstep:
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used_steps.add(sts[1])
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duration = (sts[1].temp - pstep.temp) / rate
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self.time += duration
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x.append(self.time)
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y.append(sts[1].temp)
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#print "rate", (self.time, sts[1].temp)
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return array(map(float, x)), array(map(float, y)), max(x), max(y)
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@staticmethod
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def unpack(filename):
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xmltree = etree.parse(filename)
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root = xmltree.getroot()
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s = Solder()
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s.name = root[0].attrib["name"]
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for state in root[0].findall("state"):
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s.add_state(state.attrib["name"], int(state.attrib["temperature"]))
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for duration in root[0].findall("duration"):
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states = list()
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for state in duration:
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states.append(s.get_state(state.attrib["name"]))
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s.add_duration(tuple(states), int(duration.attrib["value"]))
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for rate in root[0].findall("rate"):
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#print rate
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states = list()
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for state in rate:
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states.append(s.get_state(state.attrib["name"]))
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s.add_rate(tuple(states), int(rate.attrib["value"]))
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return s
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class SolderListModel(QtCore.QAbstractListModel):
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def __init__(self, parent=None, *args):
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""" datain: a list where each item is a row
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"""
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super(SolderListModel, self).__init__(parent, *args)
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self.listdata = [Solder.unpack(os.path.join("solder_types", p)) for p in os.listdir("solder_types")]
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def rowCount(self, parent=QtCore.QModelIndex()):
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return len(self.listdata)
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def data(self, index, role):
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if index.isValid() and role == QtCore.Qt.DisplayRole:
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return QtCore.QVariant(self.listdata[index.row()].name)
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else:
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return QtCore.QVariant()
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class PStepModel(QtCore.QAbstractTableModel):
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def __init__(self, parent=None, *args):
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super(PStepModel, self).__init__(parent, *args)
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self.psteps = list()
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def rowCount(self, parent):
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return len(self.psteps)
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def columnCount(self, parent):
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return 2
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def data(self, index, role):
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if not index.isValid():
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return QtCore.QVariant()
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elif role != QtCore.Qt.DisplayRole:
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return QtCore.QVariant()
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col = index.column()
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if col == 0:
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return QtCore.QVariant(self.psteps[index.row()].name)
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else:
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return QtCore.QVariant(self.psteps[index.row()].temperature)
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def removeRows(self, start, _count, _parent):
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print type(start), type(_count)
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self.beginRemoveRows(_parent, start, start + _count)
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self.psteps[:start].extend(self.psteps[start + _count:])
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self.endRemoveRows()
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class MyDynamicMplCanvas(FigureCanvas):
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"""A canvas that updates itself every second with a new plot."""
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def __init__(self, parent=None, width=5, height=4, dpi=100):
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self.fig = Figure(figsize=(width, height), dpi=dpi)
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self.axes = self.fig.add_subplot(111)
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# We want the axes cleared every time plot() is called
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self.axes.set_axis_bgcolor('black')
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self.axes.set_title(u'reflow profile', size=12)
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self.axes.set_xlabel(u'time (seconds)', size=12)
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self.axes.set_ylabel(u'temperature (°C)', size=12)
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pylab.setp(self.axes.get_xticklabels(), fontsize=8)
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pylab.setp(self.axes.get_yticklabels(), fontsize=8)
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super(MyDynamicMplCanvas, self).__init__(self.fig)
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self.setParent(parent)
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self.solder = None
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self.compute_initial_figure()
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FigureCanvas.setSizePolicy(self,
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QtGui.QSizePolicy.Expanding,
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QtGui.QSizePolicy.Expanding)
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FigureCanvas.updateGeometry(self)
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timer = QtCore.QTimer(self)
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self.counter = list()
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QtCore.QObject.connect(timer, QtCore.SIGNAL("timeout()"), self.update_figure)
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timer.start(1000)
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def compute_initial_figure(self):
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"""test foo bar"""
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#start_rate = 1
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#start_temp = 25
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#start_period = None
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## warmup
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#warmup_rate = 1
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#warmup_temp = 155
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#preheat_period = None
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## preheat start
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#preheat_start_rate = 1
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#preheat_start_temp = 155
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#preheat_start_period = 100
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## preheat end
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#preheat_end_rate = 1
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#preheat_end_temp = 185
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#preheat_end_period = None
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#tal_rate = 1
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#tal_temp = 220
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#tal_duration = 60
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#peak_temp = 250
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#peak_rate = 1
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#x, y = self.solder.calc_profile()
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#print "x", repr(x)
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#print "y", repr(y)
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#dtp_min = 99999.
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#dtp_max = 0.
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#dtpi = -1
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#dtn_min = -99999.
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#dtn_max = 0.
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#dtni = -1
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#for i in xrange(1, len(y)):
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#tmp = (y[i] - y[i-1]) / (x[i] - x[i-1])
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#if tmp > 0:
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#if tmp < dtp_min:
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#dtp_min = tmp
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#dtpi = i
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#elif tmp > dtp_max:
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#dtp_max = tmp
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#dtpi = i
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#elif tmp < 0:
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#if tmp > dtn_min:
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#dtn_min = tmp
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#dtni = i
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#elif tmp < dtn_max:
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#dtn_max = tmp
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#dtni = i
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#print "max negative", dtn_min, dtn_max, dtni
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#print "max positive", dtp_min, dtp_max, dtpi
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self.plot_data, = self.axes.plot([], linewidth=1.0, color=(0,0,1))
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#self.axes.plot(p1x, p1y, 'r-o')
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def update_figure(self):
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# Build a list of 4 random integers between 0 and 10 (both inclusive)
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x, y, xmax, ymax = self.solder.calc_profile()
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lines = list()
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legend = list()
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cols = ("lightgreen", "yellow", "orange", "red")
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for ix, i in enumerate(self.solder.psteps[1:-1]):
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line = Line2D([0, xmax + 20], [i.temp, i.temp],
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transform=self.axes.transData, figure=self.fig, color=cols[ix], label="name")
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lines.append(line)
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self.fig.lines = lines
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self.axes.set_xbound(lower=0, upper=xmax + 20)
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self.axes.set_ybound(lower=0, upper=ymax + 20)
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#self.axes.grid(True, color='gray')
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pylab.setp(self.axes.get_xticklabels(), visible=True)
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self.plot_data.set_xdata(x)
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self.plot_data.set_ydata(y)
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self.axes.legend(("Estimated profile",))
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self.draw()
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class ApplicationWindow(QtGui.QMainWindow):
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def __init__(self):
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QtGui.QMainWindow.__init__(self)
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self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
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self.setWindowTitle("application main window")
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self.file_menu = QtGui.QMenu('&File', self)
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self.file_menu.addAction('&Quit', self.fileQuit,
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QtCore.Qt.CTRL + QtCore.Qt.Key_Q)
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self.file_menu.addAction('&Save plot', self.save_plot,
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QtCore.Qt.CTRL + QtCore.Qt.Key_S)
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self.menuBar().addMenu(self.file_menu)
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self.help_menu = QtGui.QMenu('&Help', self)
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self.menuBar().addSeparator()
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self.menuBar().addMenu(self.help_menu)
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self.help_menu.addAction('&About', self.about)
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self.main_widget = QtGui.QWidget(self)
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self.profile_widget = QtGui.QWidget(self)
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self.steps_box = QtGui.QGroupBox(self)
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self.dpi = 100
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pl = QtGui.QHBoxLayout(self.profile_widget)
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sl = QtGui.QVBoxLayout(self.steps_box)
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self.solder_model = SolderListModel(self)
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self.pstep_model = PStepModel(self)
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self.solder_view = QtGui.QListView()
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self.pstep_view = QtGui.QTableView()
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self.solder_view.setModel(self.solder_model)
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self.pstep_view.setModel(self.pstep_model)
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self.connect(self.solder_view, QtCore.SIGNAL("clicked(QModelIndex)"), self.solder_selected)
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pl.addWidget(self.solder_view)
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pl.addWidget(self.pstep_view)
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l = QtGui.QVBoxLayout(self.main_widget)
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self.dc = MyDynamicMplCanvas(self.main_widget, width=5, height=4, dpi=self.dpi)
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self.dc.solder = self.solder_model.listdata[0]
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l.addWidget(self.profile_widget, 1)
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l.addWidget(self.dc, 10)
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self.main_widget.setFocus()
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self.setCentralWidget(self.main_widget)
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self.statusBar().showMessage("I'm in reflow heaven", 2000)
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def solder_selected(self, index):
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if index.isValid():
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self.dc.solder = self.solder_model.listdata[index.row()]
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self.pstep_model.removeRows(0, self.pstep_model.rowCount(QtCore.QModelIndex()))
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self.pstep_model.insertRows()
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def save_plot(self):
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file_choices = "PNG (*.png)|*.png"
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filename = QtGui.QFileDialog.getSaveFileName(self, 'Save File', 'qtplot.png')
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print type(filename), dir(filename)
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self.dc.print_figure(str(filename), dpi=self.dpi)
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def fileQuit(self):
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self.close()
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def closeEvent(self, ce):
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self.fileQuit()
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def about(self):
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QtGui.QMessageBox.about(self, "About %s" % progname,
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u"""%(prog)s version %(version)s
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Copyright \N{COPYRIGHT SIGN} 2012 Stefan Kögl
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reflowctl frontend"""
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% {"prog": progname, "version": progversion})
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qApp = QtGui.QApplication(sys.argv)
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aw = ApplicationWindow()
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aw.setWindowTitle("%s" % progname)
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aw.show()
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sys.exit(qApp.exec_())
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