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")
44 self.plotsns = self.builder.get_object('sns')
45 self.plotaxis = self.builder.get_object('axis')
47 self.accs = get_objects(['accx', 'accy', 'accz'])
48 self.mags = get_objects(['magx', 'magy', 'magz'])
49 self.lgts = get_objects(['lgt'])
50 self.tchs = get_objects(['tchp', 'tchd'])
51 self.a2ds = get_objects(['a2d0', 'a2d1', 'a2d2', 'a2d3', 'a2d4', 'a2d5'])
54 def on_hide(self, win, *args):
58 def on_show(self, act):
62 def on_serial(self, act):
64 self.status(self.device.connect())
66 self.device.disconnect()
69 def on_xively(self, act):
71 self.status(self.logger.connect())
73 self.logger.disconnect()
76 def on_flush(self, act):
79 def on_enable(self, obj):
80 name = Gtk.Buildable.get_name(obj)
81 name = name.replace('_btn', '')
82 state = obj.get_active()
83 if self.config.enable[name] != state:
84 self.device.set_enable(name, state)
85 self.config.enable[name] = state
88 def on_rate(self, obj):
89 name = Gtk.Buildable.get_name(obj)
90 name = name.replace('_spin', '')
91 value = obj.get_value()
92 if self.config.rate[name] != value:
93 self.device.set_rate(name, value)
94 self.config.rate[name] = value
97 def on_config(self, obj):
98 name = Gtk.Buildable.get_name(obj)
99 if isinstance(obj, Gtk.SpinButton):
100 value = obj.get_value()
102 value = obj.get_text()
103 if getattr(self.config, name) != value:
104 setattr(self.config, name, value)
107 def on_expose(self, obj, _):
108 cairo = obj.window.cairo_create()
109 count = len(self.history)
110 extents = cairo.clip_extents()
111 width = extents[2] - extents[0]
112 height = extents[3] - extents[1]
114 cairo.set_line_width(4)
115 for i in range(count):
116 x = i*width/(count-1)
117 y = ((1-self.history[i]) * 0.8 + 0.1) * height
124 def on_key(self, win, ev):
128 def on_destroy(self, win):
132 def load_config(self):
133 def set_val(name, val):
134 self.builder.get_object(name).set_value(val)
135 def set_txt(name, val):
136 self.builder.get_object(name).set_text(val)
137 def set_act(name, val):
138 self.builder.get_object(name).set_active(val)
141 set_txt('device', self.config.device)
142 set_val('baudrate', self.config.baudrate)
143 set_txt('parity', self.config.parity)
144 set_val('databits', self.config.databits)
145 set_val('stopbits', self.config.stopbits)
148 set_txt('feedid', self.config.feedid)
149 set_txt('apikey', self.config.apikey)
150 set_val('maxrate', self.config.maxrate)
153 for key in list(self.config.enable.keys()):
154 set_act(key+'_btn', self.config.enable[key])
155 set_val(key+'_spin', self.config.rate[key])
157 def update(self, state):
158 def setval(objs, vals, lbls):
160 for i in range(0,len(objs)):
165 objs[i].set_text('%s: %f' % (lbls[i], vals[i]))
167 objs[i].set_text('%f' % vals[i])
170 # Dispaly values and sum up rates
171 self.rate_cnt['acc'] += setval(self.accs, state.acc, ['X', 'Y', 'Z'])
172 self.rate_cnt['mag'] += setval(self.mags, state.mag, ['X', 'Y', 'Z'])
173 self.rate_cnt['lgt'] += setval(self.lgts, state.lgt, [])
174 self.rate_cnt['tch'] += setval(self.tchs, state.tch, ['P', 'D'])
175 self.rate_cnt['a2d'] += setval(self.a2ds, state.a2d, [])
178 idxs = ['acc', 'mag', 'tch', 'lgt', 'a2d']
179 sns = idxs[self.plotsns.get_active()]
180 axis = int(self.plotaxis.get_value())
181 if hasattr(state, sns):
182 data = getattr(state, sns)
183 axis = min(axis-1, len(data)-1)
186 self.history = self.history[1:] + [item]
188 def debug(self, state):
189 print('update: ' + str(state))
190 print('\tacc - ' + str(state.acc))
191 print('\tmag - ' + str(state.mag))
192 print('\tlgt - ' + str(state.lgt))
193 print('\ttch - ' + str(state.touch))
194 print('\ta2d - ' + str(state.a2d))
196 def read_timer(self):
197 def check(state, name):
198 btn = self.builder.get_object(name + '_btn')
199 con = self.builder.get_object(name + '_con')
200 img = Gtk.STOCK_YES if state else Gtk.STOCK_NO
201 btn.set_active(state)
202 con.set_from_stock(img, ICON_SIZE_BUTTON)
204 # Update status icons
205 check(self.device.running(), "serial")
206 check(self.logger.running(), "xively")
208 # Read data and update data display
209 for item in self.device.process():
211 self.logger.append(item)
215 self.window.queue_draw()
219 def rate_timer(self):
220 for sns in self.rate_cnt:
221 rate = self.rate_cnt[sns] * Visual.RATES_PER_SEC
222 obj = self.builder.get_object(sns + '_rate')
223 obj.set_text('%d' % rate)
224 self.rate_cnt[sns] = 0
230 GLib.timeout_add(1000/Visual.FRAMES_PER_SEC, self.read_timer)
231 GLib.timeout_add(1000/Visual.RATES_PER_SEC, self.rate_timer)
235 def status(self, msg):
236 status = self.builder.get_object("status")
237 status.pop(context_id=0)
240 status.push(text=('Error: ' + msg), context_id=0)