Pileus Git - ~andy/csm213a-hw/blob - vis/visual.py

   1 #!/usr/bin/env python
   2
   3 import sys
   4
   5 if sys.version_info<(3,0,0):
   6         import pygtk as PyGtk
   7         import gtk   as Gtk
   8         import gtk   as GLib
   9 else:
  10         from gi.repository import Gtk
  11         from gi.repository import GLib
  12
  13 if sys.version_info<(3,0,0):
  14         ICON_SIZE_BUTTON = Gtk.ICON_SIZE_BUTTON
  15 else:
  16         ICON_SIZE_BUTTON = Gtk.IconSize.BUTTON
  17
  18 class Visual:
  19         def __init__(self, config, device, logger):
  20                 def get_objects(names):
  21                         return list(map(lambda x:
  22                                 self.builder.get_object(x), names))
  23
  24                 self.config   = config
  25                 self.device   = device
  26                 self.logger   = logger
  27                 self.builder  = Gtk.Builder()
  28                 self.history  = [0.5]*1000
  29
  30                 self.builder.add_from_file('visual.ui')
  31                 self.builder.connect_signals(self)
  32                 self.window   = self.builder.get_object("window")
  33                 self.settings = self.builder.get_object("settings")
  34
  35                 self.accs     = get_objects(['accx', 'accy', 'accz'])
  36                 self.mags     = get_objects(['magx', 'magy', 'magz'])
  37                 self.lgts     = get_objects(['lgt'])
  38                 self.tchs     = get_objects(['tchp', 'tchd'])
  39                 self.a2ds     = get_objects(['a2d0', 'a2d1', 'a2d2', 'a2d3', 'a2d4', 'a2d5'])
  40                 self.smpl     = get_objects(['sampling'])
  41
  42         # Signal handlers
  43         def on_hide(self, win, *args):
  44                 self.settings.hide()
  45                 return True
  46
  47         def on_show(self, act):
  48                 self.settings.show()
  49                 return True
  50
  51         def on_serial(self, act):
  52                 if act.get_active():
  53                         self.status(self.device.connect())
  54                 else:
  55                         self.status(self.device.disconnect())
  56                 return True
  57
  58         def on_xively(self, act):
  59                 if act.get_active():
  60                         self.status(self.logger.connect())
  61                 else:
  62                         self.status(self.logger.disconnect())
  63                 return True
  64
  65         def on_flush(self, act):
  66                 self.logger.flush()
  67
  68         def on_enable(self, obj):
  69                 name  = Gtk.Buildable.get_name(obj)
  70                 name  = name.replace('_btn', '')
  71                 state = obj.get_active()
  72                 if self.config.enable[name] != state:
  73                         self.device.set_enable(name, state)
  74                         self.config.enable[name] = state
  75                         self.config.save()
  76
  77         def on_rate(self, obj):
  78                 name  = Gtk.Buildable.get_name(obj)
  79                 name  = name.replace('_spin', '')
  80                 value = obj.get_value()
  81                 if self.config.rate[name] != value:
  82                         self.device.set_rate(name, value)
  83                         self.config.rate[name] = value
  84                         self.config.save()
  85
  86         def on_config(self, obj):
  87                 name = Gtk.Buildable.get_name(obj)
  88                 if isinstance(obj, Gtk.SpinButton):
  89                         value = obj.get_value()
  90                 else:
  91                         value = obj.get_text()
  92                 if getattr(self.config, name) != value:
  93                         setattr(self.config, name, value)
  94                         self.config.save()
  95
  96         def on_expose(self, obj, _):
  97                 cairo   = obj.window.cairo_create()
  98                 count   = len(self.history)
  99                 extents = cairo.clip_extents()
 100                 width   = extents[2] - extents[0]
 101                 height  = extents[3] - extents[1]
 102
 103                 cairo.set_line_width(4)
 104                 for i in range(0,len(self.history)):
 105                         x = i*width/(count-1)
 106                         y = ((1-self.history[i]) * 0.8 + 0.1) * height
 107                         if i==0:
 108                                 cairo.move_to(x, y)
 109                         else:
 110                                 cairo.line_to(x, y)
 111                 cairo.stroke()
 112
 113         def on_key(self, win, ev):
 114                 if ev.string == 'q':
 115                         Gtk.main_quit();
 116
 117         def on_destroy(self, win):
 118                 Gtk.main_quit()
 119
 120         # Methods
 121         def load_config(self):
 122                 def set_val(name, val):
 123                         self.builder.get_object(name).set_value(val)
 124                 def set_txt(name, val):
 125                         self.builder.get_object(name).set_text(val)
 126                 def set_act(name, val):
 127                         self.builder.get_object(name).set_active(val)
 128
 129                 # Serial settings
 130                 set_txt('device',   self.config.device)
 131                 set_val('baudrate', self.config.baudrate)
 132                 set_txt('parity',   self.config.parity)
 133                 set_val('databits', self.config.databits)
 134                 set_val('stopbits', self.config.stopbits)
 135
 136                 # Xively settings
 137                 set_txt('feedid',   self.config.feedid)
 138                 set_txt('apikey',   self.config.apikey)
 139                 set_val('maxrate',  self.config.maxrate)
 140
 141                 # Sensor settings
 142                 for key in list(self.config.enable.keys()):
 143                         set_act(key+'_btn',  self.config.enable[key])
 144                         set_val(key+'_spin', self.config.rate[key])
 145
 146
 147         def update(self, state):
 148                 def setval(objs, vals, lbls):
 149                         for i in range(0,len(objs)):
 150                                 if vals[i] == None:
 151                                         continue
 152                                 if lbls and lbls[i]:
 153                                         objs[i].set_text('%s: %f' % (lbls[i], vals[i]))
 154                                 else:
 155                                         objs[i].set_text('%f' % vals[i])
 156
 157                 setval(self.accs,  state.acc, ['X', 'Y', 'Z'])
 158                 setval(self.mags,  state.mag, ['X', 'Y', 'Z'])
 159                 setval(self.lgts,  state.lgt, [])
 160                 setval(self.tchs,  state.tch, ['P', 'D'])
 161                 setval(self.a2ds,  state.a2d, [])
 162                 #setval(self.smpl,  state.)
 163
 164                 self.history = self.history[1:] + [state.a2d[0]]
 165                 self.window.queue_draw()
 166
 167         def debug(self, state):
 168                 print('update: ' + str(state))
 169                 print('\tacc - ' + str(state.acc))
 170                 print('\tmag - ' + str(state.mag))
 171                 print('\tlgt - ' + str(state.lgt))
 172                 print('\ttch - ' + str(state.touch))
 173                 print('\ta2d - ' + str(state.a2d))
 174
 175         def timer(self):
 176                 def check(state, name):
 177                         btn = self.builder.get_object(name + '_btn')
 178                         con = self.builder.get_object(name + '_con')
 179                         img = Gtk.STOCK_YES if state else Gtk.STOCK_NO
 180                         btn.set_active(state)
 181                         con.set_from_stock(img, ICON_SIZE_BUTTON)
 182
 183                 check(self.device.running(), "serial")
 184                 check(self.logger.running(), "xively")
 185
 186                 for item in self.device.process():
 187                         self.update(item)
 188                         self.logger.append(item)
 189                         #self.debug(item)
 190
 191                 return True
 192
 193         def run(self):
 194                 self.load_config()
 195                 self.window.show()
 196                 GLib.timeout_add(1000/60, self.timer)
 197                 Gtk.main()
 198
 199         # Private methods
 200         def status(self, msg):
 201                 if not msg:
 202                         return
 203                 status = self.builder.get_object("status")
 204                 status.push(text=('Error: ' + msg), context_id=0)