reflow/plot.py

# -*- coding: utf-8 -*-

import os
import pprint
import random
import sys
import wx

REFRESH_INTERVAL_MS = 1000

import matplotlib
matplotlib.use('WXAgg')
import matplotlib.lines
from matplotlib.figure import Figure
from matplotlib.pyplot import legend
from matplotlib.backends.backend_wxagg import \
    FigureCanvasWxAgg as FigCanvas, \
    NavigationToolbar2WxAgg as NavigationToolbar
from matplotlib.path import Path
import matplotlib.patches as patches
import  wx.lib.buttons  as  buttons

import numpy as np
import pylab

from Arduino_Monitor import SerialData as DataGen
import Arduino_Monitor


class GraphFrame(wx.Frame):
    """ The main frame of the application
    """
    title = 'reflowctl gui'

    def __init__(self):
        wx.Frame.__init__(self, None, -1, self.title)

        self.datagen = DataGen()
        self.data = [self.datagen.next()]
        self.started = False

        self.profile = []
        self.state = []
        self.count = 0

        self.create_menu()
        self.create_status_bar()
        self.create_main_panel()

        self.redraw_timer = wx.Timer(self)
        self.Bind(wx.EVT_TIMER, self.on_redraw_timer, self.redraw_timer)
        self.redraw_timer.Start(REFRESH_INTERVAL_MS)


    def create_menu(self):
        self.menubar = wx.MenuBar()

        menu_file = wx.Menu()
        m_expt = menu_file.Append(-1, "&Save plot\tCtrl-S", "Save plot to file")
        self.Bind(wx.EVT_MENU, self.on_save_plot, m_expt)
        menu_file.AppendSeparator()
        m_exit = menu_file.Append(-1, "E&xit\tCtrl-X", "Exit")
        self.Bind(wx.EVT_MENU, self.on_exit, m_exit)

        self.menubar.Append(menu_file, "&File")
        self.SetMenuBar(self.menubar)

    def create_main_panel(self):
        self.panel = wx.Panel(self)

        self.hbox1 = wx.BoxSizer(wx.HORIZONTAL)
        self.init_profile()
        self.init_log()
        self.init_oven_status()
        self.init_plot()
        self.canvas = FigCanvas(self.panel, -1, self.fig)

        self.recv_config_button = wx.Button(self.panel, -1, "Receive Config")
        self.Bind(wx.EVT_BUTTON, self.on_recv_config_button, self.recv_config_button)

        self.send_button = wx.Button(self.panel, -1, "Send Config")
        self.Bind(wx.EVT_BUTTON, self.on_send_button, self.send_button)

        self.start_button = buttons.GenToggleButton(self.panel, -1, "Start")
        self.Bind(wx.EVT_BUTTON, self.on_start_button, self.start_button)

        #self.on_bitmap = wx.Image('burn.png', wx.BITMAP_TYPE_PNG).Scale(32, 32, wx.IMAGE_QUALITY_HIGH).ConvertToBitmap()
        #self.off_bitmap = wx.Image('unburn.png', wx.BITMAP_TYPE_PNG).ConvertToBitmap()


        self.ctrls = wx.BoxSizer(wx.VERTICAL)
        self.ctrls.Add(self.recv_config_button, border=5, flag=wx.ALL | wx.ALIGN_LEFT)
        self.ctrls.Add(self.send_button, border=5, flag=wx.ALL | wx.ALIGN_LEFT)
        self.ctrls.Add(self.start_button, border=5, flag=wx.ALL | wx.ALIGN_LEFT)
        self.hbox1.Add(self.ctrls, border=5, flag=wx.ALL | wx.ALIGN_TOP)

        self.vbox = wx.BoxSizer(wx.VERTICAL)
        self.vbox.Add(self.hbox1, 0, flag=wx.ALIGN_LEFT | wx.ALL)
        self.vbox.Add(self.canvas, 1, flag=wx.LEFT | wx.TOP | wx.GROW)
        #self.vbox.Add(self.hbox1, 0, flag=wx.ALIGN_LEFT | wx.TOP)


        self.panel.SetSizer(self.vbox)
        self.vbox.Fit(self)

    def profile_spin_changed(self, event):
        print dir(event)


    def add_profile_item(self, title, sizer, min_=1, max_=250):

        mc = 8

        item = wx.SpinCtrl(self.panel, -1, "", (30, 50))
        item.SetRange(min_, max_)
        item.SetValue(Arduino_Monitor.profile[self.count])

        self.Bind(wx.EVT_SPIN, self.profile_spin_changed, item)

        sizer.Add(wx.StaticText(self.panel, -1, title), (self.count, 0))
        sizer.Add(item, (self.count, 1))

        self.count += 1
        self.profile.append(item)

    def init_profile(self):
        self.preheat_sizer = wx.GridBagSizer(5, 5)
        self.rampup_sizer = wx.GridBagSizer(5, 5)
        self.peak_sizer = wx.GridBagSizer(5, 5)
        self.rampdown_sizer = wx.GridBagSizer(5, 5)

        self.add_profile_item("Ts_min (°C)", self.preheat_sizer, 0, 300)
        self.add_profile_item("Ts_max (°C)", self.preheat_sizer, 0, 300)
        self.add_profile_item("Ts duration min (s)", self.preheat_sizer, 0, 300)
        self.add_profile_item("Ts duration max (s)", self.preheat_sizer, 0, 300)

        self.add_profile_item("ts ramp up min (°C/s)", self.preheat_sizer, 1, 100)
        self.add_profile_item("ts ramp up max (°C/s)", self.preheat_sizer, 1, 100)
        self.add_profile_item("tp ramp up min (°C/s)", self.peak_sizer, 1, 100)
        self.add_profile_item("tp ramp up max (°C/s)", self.peak_sizer1, 100)

        self.add_profile_item("Tl duration min (s)", self.rampup_sizer, 0, 300)
        self.add_profile_item("Tl duration max (s)", self.rampup_sizer, 0, 300)

        self.add_profile_item("Tp (°C)", self.peak_sizer, 0, 300)
        self.add_profile_item("Tp duration min (s)", self.peak_sizer, 0, 300)
        self.add_profile_item("Tp duration max (s)", self.peak_sizer, 0, 300)

        self.add_profile_item("ramp down min (°C/s)", self.rampdown_sizer, -100, 0)
        self.add_profile_item("ramp down max (°C/s)", self.rampdown_sizer, -100, 0)

        self.add_profile_item("time max (s)", 0, 800)

        self.box = wx.StaticBox(self.panel, -1, "Profile Settings")
        self.bsizer = wx.StaticBoxSizer(self.box, wx.VERTICAL)
        self.bsizer.Add(self.profile_sizer, 0, flag=wx.ALL, border=5)
        self.hbox1.Add(self.bsizer, border=5, flag=wx.ALL | wx.ALIGN_TOP)

    def init_oven_status(self):
        self.oven_status_sizer = wx.GridBagSizer(5, 5)

        #set_min = 0;
        #set_max = 0;
        #set_dt_min = 0;
        #set_dt_max = 0;

        self.oven_status_sizer.Add(wx.StaticText(self.panel, -1, "Connected"), (0, 0))
        self.oven_connected = wx.StaticText(self.panel, -1, str(self.datagen.connected()))
        self.oven_status_sizer.Add(self.oven_connected, (0, 1))

        self.oven_status_sizer.Add(wx.StaticText(self.panel, -1, "Temperature"), (1, 0))
        self.temperature = wx.TextCtrl(self.panel, -1, str(Arduino_Monitor.status[1]))
        self.oven_status_sizer.Add(self.temperature, (1, 1))

        self.oven_status_sizer.Add(wx.StaticText(self.panel, -1, "Time"), (2, 0))
        self.time = wx.TextCtrl(self.panel, -1, str(Arduino_Monitor.status[0]))
        self.oven_status_sizer.Add(self.time, (2, 1))


        self.oven_status_sizer.Add(wx.StaticText(self.panel, -1, "State"), (3, 0))
        self.pstate = wx.TextCtrl(self.panel, -1, str(Arduino_Monitor.status[3]))
        self.oven_status_sizer.Add(self.pstate, (3, 1))

        self.oven_status_sizer.Add(wx.StaticText(self.panel, -1, "Error"), (4, 0))
        self.perror = wx.TextCtrl(self.panel, -1, str(Arduino_Monitor.status[4]))
        self.oven_status_sizer.Add(self.perror, (4, 1))

        self.oven_status_sizer.Add(wx.StaticText(self.panel, -1, "Heating"), (5, 0))
        self.is_oven_heating = wx.TextCtrl(self.panel, -1, str(Arduino_Monitor.status[5]))
        self.oven_status_sizer.Add(self.is_oven_heating, (5, 1))

        self.obox = wx.StaticBox(self.panel, -1, "Oven status")
        self.osizer = wx.StaticBoxSizer(self.obox, wx.VERTICAL)
        self.osizer.Add(self.oven_status_sizer, 0, flag=wx.ALL, border=5)
        self.hbox1.Add(self.osizer, border=5, flag=wx.ALL | wx.ALIGN_TOP)


    def init_log(self):
        self.log_sizer = wx.GridBagSizer(5, 5)

        self.log_sizer.Add(wx.StaticText(self.panel, -1, "Ts_time_start"), (0, 0))
        self.ts_time_start = wx.TextCtrl(self.panel, -1)
        self.log_sizer.Add(self.ts_time_start, (0, 1))

        self.log_sizer.Add(wx.StaticText(self.panel, -1, "Ts_time_end"), (1, 0))
        self.ts_time_end = wx.TextCtrl(self.panel, -1)
        self.log_sizer.Add(self.ts_time_end, (1, 1))

        self.log_sizer.Add(wx.StaticText(self.panel, -1, "Tl_time_start"), (2, 0))
        self.tl_time_start = wx.TextCtrl(self.panel, -1)
        self.log_sizer.Add(self.tl_time_start, (2, 1))

        self.log_sizer.Add(wx.StaticText(self.panel, -1, "Tl_time_end"), (3, 0))
        self.tl_time_end = wx.TextCtrl(self.panel, -1)
        self.log_sizer.Add(self.tl_time_end, (3, 1))


        self.log_sizer.Add(wx.StaticText(self.panel, -1, "Tp_time_start"), (4, 0))
        self.tp_time_start = wx.TextCtrl(self.panel, -1)
        self.log_sizer.Add(self.tp_time_start, (4, 1))

        self.log_sizer.Add(wx.StaticText(self.panel, -1, "Tp_time_end"), (5, 0))
        self.tp_time_end = wx.TextCtrl(self.panel, -1)
        self.log_sizer.Add(self.tp_time_end, (5, 1))

        self.lbox = wx.StaticBox(self.panel, -1, "Profile Log")
        self.lsizer = wx.StaticBoxSizer(self.lbox, wx.VERTICAL)
        self.lsizer.Add(self.log_sizer, 0, flag=wx.ALL, border=5)
        self.hbox1.Add(self.lsizer, border=5, flag=wx.ALL | wx.ALIGN_TOP)

    def create_status_bar(self):
        self.statusbar = self.CreateStatusBar()

    def init_plot(self):
        self.dpi = 100
        self.fig = Figure((4.0, 4.0), dpi=self.dpi)

        self.axes = self.fig.add_subplot(111)
        self.axes.set_axis_bgcolor('black')
        self.axes.set_title(u'Reflow Temperature', size=12)
        self.axes.set_xlabel(u'Time / seconds', size=12)
        self.axes.set_ylabel(u'Temperature (°C)', size=12)

        pylab.setp(self.axes.get_xticklabels(), fontsize=8)
        pylab.setp(self.axes.get_yticklabels(), fontsize=8)

        # no 1
        ts_min_x_min = Arduino_Monitor.profile[Arduino_Monitor.PI_TS_MIN] / Arduino_Monitor.profile[Arduino_Monitor.PI_RAMP_UP_MAX]
        ts_min_y_min = Arduino_Monitor.profile[Arduino_Monitor.PI_TS_MIN]

        # no 2
        ts_max_x_min = ts_min_x_min + Arduino_Monitor.profile[Arduino_Monitor.PI_TS_DURATION_MIN]
        ts_max_y_min = Arduino_Monitor.profile[Arduino_Monitor.PI_TS_MAX]

        # no t1
        ts_max_x_max = ts_min_x_min + Arduino_Monitor.profile[Arduino_Monitor.PI_TS_DURATION_MAX]
        ts_max_y_max = Arduino_Monitor.profile[Arduino_Monitor.PI_TS_MAX]

        # no t2
        ts_min_x_max = ts_max_x_max - (ts_max_y_max - ts_min_y_min) / Arduino_Monitor.profile[Arduino_Monitor.PI_RAMP_UP_MAX]
        ts_min_y_max = Arduino_Monitor.profile[Arduino_Monitor.PI_TS_MIN]

        # no 10
        t0_x_max = ts_min_x_max - (ts_max_x_max / Arduino_Monitor.profile[Arduino_Monitor.PI_RAMP_UP_MAX])
        t0_y_max = 0

        # no 4
        tp_x_min = ts_max_x_min + (Arduino_Monitor.profile[Arduino_Monitor.PI_TP] - ts_max_y_min) / Arduino_Monitor.profile[Arduino_Monitor.PI_RAMP_UP_MAX]
        tp_y_min = Arduino_Monitor.profile[Arduino_Monitor.PI_TP]

        # no 5
        tp_x_max = tp_x_min + Arduino_Monitor.profile[Arduino_Monitor.PI_TP_DURATION_MAX]
        tp_y_max = tp_y_min

        # no 8
        tp5_x_max = tp_x_min + Arduino_Monitor.profile[Arduino_Monitor.PI_TP_DURATION_MIN]
        tp5_y_max = tp_y_max - 5

        # no 9
        tp5_x_min = ts_max_x_max + (tp5_y_max - ts_max_y_max) / Arduino_Monitor.profile[Arduino_Monitor.PI_RAMP_UP_MAX]
        tp5_y_min = tp5_y_max

        # no 6
        end_x_max = tp_x_max + tp_y_max / abs(Arduino_Monitor.profile[Arduino_Monitor.PI_RAMP_DOWN_MIN])
        end_y_max = 0

        self.xmax = end_x_max + 20
        self.ymax = Arduino_Monitor.profile[Arduino_Monitor.PI_TP] + 20

        # no 7
        end_x_min = tp5_x_max + tp5_y_max / abs(Arduino_Monitor.profile[Arduino_Monitor.PI_RAMP_DOWN_MAX])
        end_y_min = 0

        tsmin = Arduino_Monitor.profile[Arduino_Monitor.PI_TS_MIN]
        tsmax = Arduino_Monitor.profile[Arduino_Monitor.PI_TS_MAX]
        tl = Arduino_Monitor.profile[Arduino_Monitor.PI_TL]
        tp = Arduino_Monitor.profile[Arduino_Monitor.PI_TP]
        self.ts_line_min = matplotlib.lines.Line2D([0, self.xmax], [tsmin, tsmin],
          transform=self.axes.transData, figure=self.fig, color='green')
        self.ts_line_max = matplotlib.lines.Line2D([0, self.xmax], [tsmax, tsmax],
          transform=self.axes.transData, figure=self.fig, label="Ts_max", color='lightgreen')
        self.tl_line = matplotlib.lines.Line2D([0, self.xmax], [tl, tl],
          transform=self.axes.transData, figure=self.fig, label="Tl", color='yellow')
        self.tp_line = matplotlib.lines.Line2D([0, self.xmax], [tp, tp],
          transform=self.axes.transData, figure=self.fig, label="Tp", color='blue')

        self.ts_line_min.set_label("Ts_min")
        self.ts_line_min.set_label("Ts_max")
        self.tl_line.set_label("Tl")
        self.tp_line.set_label("Tp")
        self.fig.lines.extend([self.ts_line_min, self.ts_line_max, self.tl_line, self.tp_line])

        verts = [
          [0.0, 0.0],
          [ts_min_x_min, ts_min_y_min],
          [ts_max_x_min, ts_max_y_min],
          [ts_max_x_max, ts_max_y_max],
          [ts_min_x_max, ts_min_y_max],
          #[tp_x_min, tp_y_min],
          #[tp_x_max, tp_y_max],
          #[end_x_max, end_y_max],
          #[end_x_min, end_y_min],
          #[tp5_x_max, tp5_y_max],
          #[tp5_x_min, tp5_y_min],
          [t0_x_max,  t0_y_max],
          [0.0, 0.0]]

        codes = [
          Path.MOVETO,
          Path.LINETO,
          Path.LINETO,
          Path.LINETO,
          Path.LINETO,
          Path.LINETO,
          #Path.LINETO,
          #Path.LINETO,
          #Path.LINETO,
          #Path.LINETO,
          Path.CLOSEPOLY]

        self.plot_data = self.axes.plot(
            self.data,
            linewidth=1,
            color=(1, 1, 0),
            )[0]

        print "verts", verts


        path = Path(verts, codes)
        self.patch = patches.PathPatch(path, edgecolor="red", facecolor='orange', lw=2)
        self.axes.add_patch(self.patch)
        self.axes.legend( (self.ts_line_min, self.ts_line_max, self.tl_line, self.tp_line),  ('Ts_min', 'Ts_max', 'Tl', 'Tp'), loc=2)

    def draw_plot(self):
        """ Redraws the plot
        """

        self.axes.set_xbound(lower=0, upper=self.xmax)
        self.axes.set_ybound(lower=0, upper=self.ymax)

        self.axes.grid(True, color='gray')

        pylab.setp(self.axes.get_xticklabels(), visible=True)

        self.plot_data.set_xdata(np.arange(len(self.data)))
        self.plot_data.set_ydata(np.array(self.data))

        self.canvas.draw()

    def update_config(self):
        for ix, i in enumerate(self.profile):
            i.SetValue(str(Arduino_Monitor.profile[i]))

    def update_state(self):
        if Arduino_Monitor.status[3] > 0:
            self.started = True

        self.time.SetValue(str(Arduino_Monitor.status[0]))
        self.temperature.SetValue(str(Arduino_Monitor.status[1]))
        self.pstate.SetValue(str(Arduino_Monitor.status[3]))
        self.perror.SetValue(str(Arduino_Monitor.status[4]))
        self.is_oven_heating.SetValue(str(Arduino_Monitor.status[5]))


    def on_start_button(self, event):
        self.started = self.datagen.send_start()
        self.recv_config_button.Disable()
        self.send_button.Disable()
        self.profile = []
        for i in range(30):
          self.profile_sizer.Remove(i)
        self.profile_sizer.Layout()

    def on_recv_config_button(self, event):
        if not self.started:
            self.datagen.recv_config()


    def on_send_button(self, event):
        if not self.started:
            self.datagen.send_config()

    def on_save_plot(self, event):
        file_choices = "PNG (*.png)|*.png"

        dlg = wx.FileDialog(
            self,
            message="Save plot as...",
            defaultDir=os.getcwd(),
            defaultFile="plot.png",
            wildcard=file_choices,
            style=wx.SAVE)

        if dlg.ShowModal() == wx.ID_OK:
            path = dlg.GetPath()
            self.canvas.print_figure(path, dpi=self.dpi)
            self.flash_status_message("Saved to %s" % path)

    def on_redraw_timer(self, event):

        if self.started:
            self.data.append(self.datagen.next())

        self.update_state()
        self.draw_plot()

    def on_exit(self, event):
        self.Destroy()

    def flash_status_message(self, msg, flash_len_ms=1500):
        self.statusbar.SetStatusText(msg)
        self.timeroff = wx.Timer(self)
        self.Bind(
            wx.EVT_TIMER,
            self.on_flash_status_off,
            self.timeroff)
        self.timeroff.Start(flash_len_ms, oneShot=True)

    def on_flash_status_off(self, event):
        self.statusbar.SetStatusText('')


if __name__ == '__main__':
    app = wx.PySimpleApp()
    app.frame = GraphFrame()
    app.frame.Show()
    app.MainLoop()