Reverted tmc graph spline to line and added opengl rendering

Removed special TMC handling in axis cpr readout

May cause incorrect angle readouts with outdated firmwares

axis_ui.py

@@ -174,10 +174,7 @@ def timer_cb(self):
             self.send_command("axis","pos",self.axis)
         else:
             # cpr invalid. Request cpr
-            if(self.driver_id == 1 or self.driver_id == 2):
-                self.cpr=0xffff # TODO remove if axis reports right cpr
-            else:
-                self.send_command("axis","cpr",typechar='?')
+            self.send_command("axis","cpr",typechar='?')
 
 
     def setCurrentScaler(self,x):

tmc4671_ui.py

@@ -7,7 +7,7 @@
 from base_ui import WidgetUI
 from optionsdialog import OptionsDialog,OptionsDialogGroupBox
 
-from PyQt6.QtCharts import QChart,QChartView,QSplineSeries,QValueAxis
+from PyQt6.QtCharts import QChart,QChartView,QLineSeries,QValueAxis
 from base_ui import CommunicationHandler
 
 ext_notice = """External encoder forwards the encoder
@@ -74,28 +74,31 @@ def __init__(self, main=None, unique=0):
 
         self.chart.addAxis(self.chartYaxis_Amps,Qt.AlignmentFlag.AlignLeft)
 
-        self.lines_Amps = QSplineSeries()
+        self.lines_Amps = QLineSeries()
         self.lines_Amps.setName("Torque A")
+        self.lines_Amps.setUseOpenGL(True)
 
         self.chart.addSeries(self.lines_Amps)
         self.lines_Amps.setColor(QColor("cornflowerblue"))
         self.lines_Amps.attachAxis(self.chartYaxis_Amps)
         self.lines_Amps.attachAxis(self.chartXaxis)
 
-        self.lines_Flux = QSplineSeries()
+        self.lines_Flux = QLineSeries()
         self.lines_Flux.setName("Flux A")
         self.lines_Flux.setOpacity(0.5)
+        self.lines_Flux.setUseOpenGL(True)
 
         self.chart.addSeries(self.lines_Flux)
         self.lines_Flux.setColor(QColor("limegreen"))
 
         self.lines_Flux.attachAxis(self.chartYaxis_Amps)
         self.lines_Flux.attachAxis(self.chartXaxis)
 
-        self.lines_Temps = QSplineSeries()
+        self.lines_Temps = QLineSeries()
         self.lines_Temps.setName("Temp °C")
         self.lines_Temps.setColor(QColor("orange"))
         self.lines_Temps.setOpacity(0.5)
+        self.lines_Temps.setUseOpenGL(True)
         self.chart.addAxis(self.chartYaxis_Temps,Qt.AlignmentFlag.AlignRight)
         self.chart.addSeries(self.lines_Temps)
         self.lines_Temps.attachAxis(self.chartYaxis_Temps)