Krzysztof naprawil

main.py

@@ -1,3 +1,4 @@
+from matplotlib.pylab import sca
 from PIL.ImageChops import offset
 from siglent_sdg.siglent import SiglentGen
 from asyncio import sleep
@@ -16,7 +17,7 @@ import matplotlib.pyplot as plt
 # R =3.4 ohm
 SINE_FREQ = 100e3
 
-CYCLE_COUNT = 10
+CYCLE_COUNT = 1000
 
 DIV_COUNT = 10
 
@@ -25,18 +26,18 @@ OSC_CHANNEL_A = 1  # GEN signal
 OSC_CHANNEL_B = 2  # OUT
 GEN_CHANNEL = siglent.ChannelID.CH1
 
-UPPER_BOUND_DIV = 7
-LOWER_BOUND_DIV = 3
+UPPER_BOUND_DIV = 3.5
+LOWER_BOUND_DIV = 1
 TARGET_DIV = (UPPER_BOUND_DIV + LOWER_BOUND_DIV) / 2
 
 PATH = "/home/zychlix/Desktop/pomiary/out"
 PATH_BH = "/home/zychlix/Desktop/pomiary/out_BH"
 PATH_BH_RAW = "/home/zychlix/Desktop/pomiary/out_BH_raw"
 
-R0 = 99.5
+R0 = 19.82
 
 AMPLITUDE = 10
-COUNT = 50
+COUNT = 100
 
 
 class ImpedanceAnalyzer:
@@ -55,7 +56,10 @@ class ImpedanceAnalyzer:
 
         self.dc = 0
 
-        self.scales = [10] * (CHANNEL_COUNT + 1)
+        self.scales = [1] * (CHANNEL_COUNT + 1)
+
+        # for i in self.osc.channels
+        #     se
 
         return
 
@@ -75,6 +79,11 @@ class ImpedanceAnalyzer:
         channel_A_data = self.getScaledWaveform(OSC_CHANNEL_A)
         channel_B_data = self.getScaledWaveform(OSC_CHANNEL_B)
 
+        self.osc.single()
+        time.sleep(2)
+        channel_A_data = self.osc.getChannel(OSC_CHANNEL_A).getWaveform()
+        channel_B_data = self.osc.getChannel(OSC_CHANNEL_B).getWaveform()
+
         time_array = self.osc.getChannel(OSC_CHANNEL_A).genTimeArray(channel_A_data)
 
         v_a = dft(channel_A_data, time_array, freq)
@@ -92,15 +101,41 @@ class ImpedanceAnalyzer:
         return z
 
     def getScaledWaveform(self, ch):
-        data = self.osc.getChannel(ch).getWaveform()
-        vpp = self.calculateVRMS(data) * 2 * np.sqrt(2)
-        print(f"VPP measured from rms: {vpp} on channel {ch}: SCALE {self.scales[ch]}")
-
-        if not (LOWER_BOUND_DIV < vpp / self.scales[ch] < UPPER_BOUND_DIV):
-            self.autoscale(ch)
-            time.sleep(2)  # change back to 1
+        while True:
             self.osc.single()
+            time.sleep(1)
             data = self.osc.getChannel(ch).getWaveform()
+
+            minimum = np.min(data)
+            maximum = np.max(data)
+
+            scale_range = self.osc.getChannel(ch).getScaleRange()
+            if (
+                maximum / self.scales[ch] > UPPER_BOUND_DIV
+                or minimum / self.scales[ch] < -UPPER_BOUND_DIV
+            ):
+                self.scales[ch] = self.scales[ch] * 2
+                if self.scales[ch] > scale_range[1]:
+                    self.scales[ch] = scale_range[1]
+                    self.osc.getChannel(ch).setVScale(self.scales[ch])
+                    break
+            elif (
+                minimum / self.scales[ch] < LOWER_BOUND_DIV
+                and minimum / self.scales[ch] > -LOWER_BOUND_DIV
+            ):
+                self.scales[ch] = self.scales[ch] / 2
+                if self.scales[ch] < scale_range[0]:
+                    self.scales[ch] = scale_range[0]
+                    self.osc.getChannel(ch).setVScale(self.scales[ch])
+                    break
+            else:
+                break
+
+            self.osc.getChannel(ch).setVScale(self.scales[ch])
+        print(
+            f"Channel {ch} settings: min: {minimum}, max: {maximum} scale:{self.scales[ch]}"
+        )
+
         return data
 
     def getSweep(self, start: float, stop: float, samples):
@@ -126,22 +161,31 @@ class ImpedanceAnalyzer:
             data = self.osc.getChannel(channel).getWaveform()
             time.sleep(1)
             # rms = self.calculateVRMS(data)
-            min = numpy.dat
-            vpp = rms * 2 * np.sqrt(2)
+            minimum = np.min(data)
+            maximum = np.max(data)
 
-            if LOWER_BOUND_DIV < vpp / self.scales[channel] < UPPER_BOUND_DIV:
-                break
-            elif (
-                vpp / self.scales[channel] > UPPER_BOUND_DIV
-                or self.osc.getChannel(channel).getVrms()[0] > 1000
+            scale_range = self.osc.getChannel(channel).getScaleRange()
+
+            if (
+                maximum / self.scales[channel] > UPPER_BOUND_DIV
+                or minimum / self.scales[channel] < -UPPER_BOUND_DIV
             ):
-                self.scales[channel] = self.osc.getChannel(channel).clampVscale(
-                    self.scales[channel] * 2
-                )
+                self.scales[channel] = self.scales[channel] * 2
+                if self.scales[channel] > scale_range[1]:
+                    self.scales[channel] = scale_range[1]
+                    self.osc.getChannel(channel).setVScale(self.scales[channel])
+                    break
+            elif (
+                minimum / self.scales[channel] < LOWER_BOUND_DIV
+                and minimum / self.scales[channel] > -LOWER_BOUND_DIV
+            ):
+                self.scales[channel] = self.scales[channel] / 2
+                if self.scales[channel] < scale_range[0]:
+                    self.scales[channel] = scale_range[0]
+                    self.osc.getChannel(channel).setVScale(self.scales[channel])
+                    break
             else:
-                self.scales[channel] = self.osc.getChannel(channel).clampVscale(
-                    vpp / TARGET_DIV
-                )
+                break
 
             self.osc.getChannel(channel).setVScale(self.scales[channel])
             print(
@@ -229,7 +273,7 @@ def main():
     # imp.PlotBH(10e3, AMPLITUDE)
 
     # return 0
-    z, f = imp.getSweep(2, 7, COUNT)
+    z, f = imp.getSweep(5, 5, 1)
 
     z_real = np.real(z)
     z_imag = np.imag(z)