refactor with classes

pytec/tecQT.py

@@ -6,20 +6,43 @@ from pytec.client import Client
 rec_len = 1000
 refresh_period = 20
 
-channel_data = [{
+class Curves:
-    'adc': np.zeros(rec_len),
+    def __init__(self, legend: str, key: str, channel: int, color: str, buffer_len: int, period: int):
-    'sens': np.zeros(rec_len),
+        self.curveItem = pg.PlotCurveItem(pen=({'color': color, 'width': 1}))
-    'temperature': np.zeros(rec_len),
+        self.legendStr = legend
-    'i_set': np.zeros(rec_len),
+        self.keyStr = key
-    'pid_output': np.zeros(rec_len),
+        self.channel = channel
-    'vref': np.zeros(rec_len),
+        self.data_buf = np.zeros(buffer_len)
-    'dac_value': np.zeros(rec_len),
+        self.time_stamp = np.zeros(buffer_len)
-    'dac_feedback': np.zeros(rec_len),
+        self.buffLen = buffer_len
-    'i_tec': np.zeros(rec_len),
+        self.period = period
-    'tec_i': np.zeros(rec_len),
+    
-    'tec_u_meas': np.zeros(rec_len),
+    def update(self, tec_data, cnt):
-    'interval': np.zeros(rec_len),
+        if cnt == 0:
-} for _ in range(2)]
+            np.copyto(self.data_buf, np.full(self.buffLen, tec_data[self.channel][self.keyStr]))
+        else: 
+            self.data_buf[:-1] = self.data_buf[1:]
+            self.data_buf[-1] = tec_data[self.channel][self.keyStr]
+            self.time_stamp[:-1] = self.time_stamp[1:]
+            self.time_stamp[-1] = cnt * self.period / 1000
+            self.curveItem.setData(x = self.time_stamp, y = self.data_buf)
+
+
+class Graph:
+    def __init__(self, parent: pg.LayoutWidget, title: str, row: int, col: int, curves: list[Curves]):
+        self.plotItem = pg.PlotWidget(title=title)
+        self.legendItem = pg.LegendItem(offset=(75, 30), brush=(50,50,200,150))
+        self.legendItem.setParentItem(self.plotItem.getPlotItem())
+        parent.addWidget(self.plotItem, row, col)
+        self.curves = curves
+        for curve in self.curves:
+            self.plotItem.addItem(curve.curveItem)
+            self.legendItem.addItem(curve.curveItem, curve.legendStr)
+
+    def update(self, tec_data, cnt):
+        for curve in self.curves:
+            curve.update(tec_data, cnt)
+        self.plotItem.setRange(xRange=[(cnt - self.curves[0].buffLen) * self.curves[0].period / 1000, cnt * self.curves[0].period / 1000])
 
 tec = Client()
 
@@ -36,74 +59,26 @@ cw.setLayout(l)
 
 pg.setConfigOptions(antialias=True)
 
-temp0plot= pg.PlotWidget(title='Channel 0 Temperature')
+ch0tempGraph = Graph(layout, 'Channel 0 Termperature', 1, 1, [Curves('Feedback', 'temperature', 0, 'r', rec_len, refresh_period)])
-layout.addWidget(temp0plot, 1, 1)
+ch1tempGraph = Graph(layout, 'Channel 1 Termperature', 2, 1, [Curves('Feedback', 'temperature', 1, 'r', rec_len, refresh_period)])
-temp1plot = pg.PlotWidget(title='Channel 1 Temperature')
+ch0currentGraph = Graph(layout, 'Channel 0 Current', 1, 2, [Curves('Feedback', 'tec_i', 0, 'r', rec_len, refresh_period),
-layout.addWidget(temp1plot, 2, 1)
+                                                            Curves('Setpoint', 'i_set', 0, 'g', rec_len, refresh_period)])
-current0plot = pg.PlotWidget(title='Channel 0 Current')
+ch1currentGraph = Graph(layout, 'Channel 1 Current', 2, 2, [Curves('Feedback', 'tec_i', 1, 'r', rec_len, refresh_period),
-layout.addWidget(current0plot, 1, 2)
+                                                            Curves('Setpoint', 'i_set', 1, 'g', rec_len, refresh_period)])
-current1plot = pg.PlotWidget(title='Channel 1 Current')
-layout.addWidget(current1plot, 2, 2)
-
-temp0curve = pg.PlotCurveItem(pen=({'color': 'r', 'width': 1}))
-temp1curve = pg.PlotCurveItem(pen=({'color': 'r', 'width': 1}))
-tecI0curve = pg.PlotCurveItem(pen=({'color': 'r', 'width': 1}))
-tecI1curve = pg.PlotCurveItem(pen=({'color': 'r', 'width': 1}))
-Iset0curve = pg.PlotCurveItem(pen=({'color': 'g', 'width': 1}))
-Iset1curve = pg.PlotCurveItem(pen=({'color': 'g', 'width': 1}))
-temp0plot.addItem(temp0curve)
-temp1plot.addItem(temp1curve)
-current0plot.addItem(tecI0curve)
-current0plot.addItem(Iset0curve)
-current1plot.addItem(tecI1curve)
-current1plot.addItem(Iset1curve)
-
-temp0legend = temp0plot.getPlotItem().addLegend(brush=(50,50,200,150))
-temp0legend.addItem(temp0curve, 'feedback')
-temp1legend = temp1plot.getPlotItem().addLegend(brush=(50,50,200,150))
-temp1legend.addItem(temp0curve, 'feedback')
-current0legend = current0plot.getPlotItem().addLegend(brush=(50,50,200,150))
-current0legend.addItem(tecI0curve, 'feedback')
-current0legend.addItem(Iset0curve, 'setpoint')
-current1legend = current1plot.getPlotItem().addLegend(brush=(50,50,200,150))
-current1legend.addItem(tecI1curve, 'feedback')
-current1legend.addItem(Iset1curve, 'setpoint')
 
 cnt = 0
-time_stamp = np.zeros(rec_len)
-def update(n):
-    for data in tec.report_mode():
-        ch = data[n]        
-        for tag, seq in channel_data[n].items():
-            if tag in ch:
-                v = ch[tag]
-                if type(v) is float:
-                    if cnt == 0:
-                        np.copyto(seq, np.full(rec_len, v))
-                    else:
-                        seq[:-1] = seq[1:]        
-                        seq[-1] = v        
-        if quit:
-            break
-    return
-
 def updateData():
     global cnt
-    update(0)
+    for data in tec.report_mode():
-    update(1)
+
-    cnt += 1
+        ch0tempGraph.update(data, cnt)
-    time_stamp[:-1] = time_stamp[1:]
+        ch1tempGraph.update(data, cnt)
-    time_stamp[-1] = cnt * refresh_period / 1000
+        ch0currentGraph.update(data, cnt)
-    temp0plot.setRange(xRange=[(cnt - rec_len) * refresh_period / 1000, cnt * refresh_period / 1000])
+        ch1currentGraph.update(data, cnt)
-    temp1plot.setRange(xRange=[(cnt - rec_len) * refresh_period / 1000, cnt * refresh_period / 1000])  
+                
-    current0plot.setRange(xRange=[(cnt - rec_len) * refresh_period / 1000, cnt * refresh_period / 1000])
+        if quit:
-    current1plot.setRange(xRange=[(cnt - rec_len) * refresh_period / 1000, cnt * refresh_period / 1000])   
+            break
-    temp0curve.setData(x = time_stamp, y = channel_data[0]['temperature'])
+    cnt += 1    
-    temp1curve.setData(x = time_stamp, y = channel_data[1]['temperature'])
-    tecI0curve.setData(x = time_stamp, y = channel_data[0]['tec_i'])
-    tecI1curve.setData(x = time_stamp, y = channel_data[1]['tec_i'])
-    Iset0curve.setData(x = time_stamp, y = channel_data[0]['i_set'])
-    Iset1curve.setData(x = time_stamp, y = channel_data[1]['i_set'])
     
 
 ## Start a timer to rapidly update the plot in pw