5 if sys.version_info<(3,0,0):
10 from gi.repository import Gtk
11 from gi.repository import GLib
13 if sys.version_info<(3,0,0):
14 ICON_SIZE_BUTTON = Gtk.ICON_SIZE_BUTTON
16 ICON_SIZE_BUTTON = Gtk.IconSize.BUTTON
19 FRAMES_PER_SEC = 60 # hz
20 RATES_PER_SEC = 1 # hz
22 def __init__(self, config, device, logger):
23 def get_objects(names):
24 return list(map(lambda x:
25 self.builder.get_object(x), names))
30 self.builder = Gtk.Builder()
31 self.history = [0.5]*1000
34 self.rate_cnt = {'acc': 0,
40 self.builder.add_from_file('visual.ui')
41 self.builder.connect_signals(self)
42 self.window = self.builder.get_object("window")
43 self.settings = self.builder.get_object("settings")
45 self.accs = get_objects(['accx', 'accy', 'accz'])
46 self.mags = get_objects(['magx', 'magy', 'magz'])
47 self.lgts = get_objects(['lgt'])
48 self.tchs = get_objects(['tchp', 'tchd'])
49 self.a2ds = get_objects(['a2d0', 'a2d1', 'a2d2', 'a2d3', 'a2d4', 'a2d5'])
52 def on_hide(self, win, *args):
56 def on_show(self, act):
60 def on_serial(self, act):
62 self.status(self.device.connect())
64 self.device.disconnect()
67 def on_xively(self, act):
69 self.status(self.logger.connect())
71 self.logger.disconnect()
74 def on_flush(self, act):
77 def on_enable(self, obj):
78 name = Gtk.Buildable.get_name(obj)
79 name = name.replace('_btn', '')
80 state = obj.get_active()
81 if self.config.enable[name] != state:
82 self.device.set_enable(name, state)
83 self.config.enable[name] = state
86 def on_rate(self, obj):
87 name = Gtk.Buildable.get_name(obj)
88 name = name.replace('_spin', '')
89 value = obj.get_value()
90 if self.config.rate[name] != value:
91 self.device.set_rate(name, value)
92 self.config.rate[name] = value
95 def on_config(self, obj):
96 name = Gtk.Buildable.get_name(obj)
97 if isinstance(obj, Gtk.SpinButton):
98 value = obj.get_value()
100 value = obj.get_text()
101 if getattr(self.config, name) != value:
102 setattr(self.config, name, value)
105 def on_expose(self, obj, _):
106 cairo = obj.window.cairo_create()
107 count = len(self.history)
108 extents = cairo.clip_extents()
109 width = extents[2] - extents[0]
110 height = extents[3] - extents[1]
112 cairo.set_line_width(4)
113 for i in range(count):
114 x = i*width/(count-1)
115 y = ((1-self.history[i]) * 0.8 + 0.1) * height
122 def on_key(self, win, ev):
126 def on_destroy(self, win):
130 def load_config(self):
131 def set_val(name, val):
132 self.builder.get_object(name).set_value(val)
133 def set_txt(name, val):
134 self.builder.get_object(name).set_text(val)
135 def set_act(name, val):
136 self.builder.get_object(name).set_active(val)
139 set_txt('device', self.config.device)
140 set_val('baudrate', self.config.baudrate)
141 set_txt('parity', self.config.parity)
142 set_val('databits', self.config.databits)
143 set_val('stopbits', self.config.stopbits)
146 set_txt('feedid', self.config.feedid)
147 set_txt('apikey', self.config.apikey)
148 set_val('maxrate', self.config.maxrate)
151 for key in list(self.config.enable.keys()):
152 set_act(key+'_btn', self.config.enable[key])
153 set_val(key+'_spin', self.config.rate[key])
155 def update(self, state):
156 def setval(objs, vals, lbls):
158 for i in range(0,len(objs)):
163 objs[i].set_text('%s: %f' % (lbls[i], vals[i]))
165 objs[i].set_text('%f' % vals[i])
168 # Dispaly values and sum up rates
169 self.rate_cnt['acc'] += setval(self.accs, state.acc, ['X', 'Y', 'Z'])
170 self.rate_cnt['mag'] += setval(self.mags, state.mag, ['X', 'Y', 'Z'])
171 self.rate_cnt['lgt'] += setval(self.lgts, state.lgt, [])
172 self.rate_cnt['tch'] += setval(self.tchs, state.tch, ['P', 'D'])
173 self.rate_cnt['a2d'] += setval(self.a2ds, state.a2d, [])
176 if state.a2d[0] != None:
177 self.history = self.history[1:] + [state.a2d[0]]
179 def debug(self, state):
180 print('update: ' + str(state))
181 print('\tacc - ' + str(state.acc))
182 print('\tmag - ' + str(state.mag))
183 print('\tlgt - ' + str(state.lgt))
184 print('\ttch - ' + str(state.touch))
185 print('\ta2d - ' + str(state.a2d))
187 def read_timer(self):
188 def check(state, name):
189 btn = self.builder.get_object(name + '_btn')
190 con = self.builder.get_object(name + '_con')
191 img = Gtk.STOCK_YES if state else Gtk.STOCK_NO
192 btn.set_active(state)
193 con.set_from_stock(img, ICON_SIZE_BUTTON)
195 # Update status icons
196 check(self.device.running(), "serial")
197 check(self.logger.running(), "xively")
199 # Read data and update data display
200 for item in self.device.process():
202 self.logger.append(item)
206 self.window.queue_draw()
210 def rate_timer(self):
211 for sns in self.rate_cnt:
212 rate = self.rate_cnt[sns] * Visual.RATES_PER_SEC
213 obj = self.builder.get_object(sns + '_rate')
214 obj.set_text('%d' % rate)
215 self.rate_cnt[sns] = 0
221 GLib.timeout_add(1000/Visual.FRAMES_PER_SEC, self.read_timer)
222 GLib.timeout_add(1000/Visual.RATES_PER_SEC, self.rate_timer)
226 def status(self, msg):
227 status = self.builder.get_object("status")
228 status.pop(context_id=0)
231 status.push(text=('Error: ' + msg), context_id=0)