test19: add ploting feature for debug.

768724ee · Matthieu Cattin · 391f4a18 · 768724ee
Commit 768724ee authored Feb 27, 2013 by Matthieu Cattin
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Showing with 41 additions and 21 deletions

test19.py test/fmcadc100m14b4cha/python/test19.py +41 -21

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--- a/test/fmcadc100m14b4cha/python/test19.py
+++ b/test/fmcadc100m14b4cha/python/test19.py
@@ -136,6 +136,40 @@ def volt2digital_without_offset(value, full_scale, nb_bit):
    #print('volt2digital: %2.9f > %2.9f')%(value,digital)
    return int(digital)

+# Plot data from all channels
+def plot_all(data, mean, ylimit):
+    sample = arange(len(data)/4)
+    clf()
+    plot(sample, data[0::4], 'b', label='Channel 1')
+    plot(sample, data[1::4], 'g', label='Channel 2')
+    plot(sample, data[2::4], 'c', label='Channel 3')
+    plot(sample, data[3::4], 'm', label='Channel 4')
+    plot(sample, [mean[0]]*len(sample), 'r')
+    plot(sample, [mean[1]]*len(sample), 'r')
+    plot(sample, [mean[2]]*len(sample), 'r')
+    plot(sample, [mean[3]]*len(sample), 'r')
+    ylim(-ylimit-(ylimit/10.0), ylimit+(ylimit/10.0))
+    grid(which='both')
+    legend()
+    draw()
+    show()
+    return 0
+
+# Plot data from all channels
+def plot_channel(ch, data, mean, ylimit):
+    print("nb of samples to plot: %d"%len(data))
+    sample = arange(len(data))
+    lbl = "Channel %d"%ch
+    clf()
+    plot(sample, data, 'b', label=lbl)
+    plot(sample, [mean]*len(sample), 'r')
+    ylim(-ylimit-(ylimit/10.0), ylimit+(ylimit/10.0))
+    grid(which='both')
+    legend()
+    draw()
+    show()
+    return 0
+
 # Make an acquisition of a channel
 def acq_channel(carrier, fmc, ch, adc_fs, adc_nbits=16, pause=0.01):
    # Make sure no acquisition is running
@@ -165,27 +199,10 @@ def acq_channel(carrier, fmc, ch, adc_fs, adc_nbits=16, pause=0.01):
    carrier.set_irq_en_mask(0x0)
    channels_data = [hex2signed(item) for item in channels_data]
    channels_data = [digital2volt(item,adc_fs,adc_nbits) for item in channels_data]
+    #plot_all(channels_data, [mean(channels_data[0::4]),mean(channels_data[1::4]),mean(channels_data[2::4]),mean(channels_data[3::4])], 0.1)
+    #raw_input("press enter")
    channel_data = channels_data[ch-1::4]
-    return mean(channel_data)
-
-# Plot data from all channels
-def plot_all(data, mean, ylimit):
-    sample = arange(len(data)/4)
-    clf()
-    plot(sample, data[0::4], 'b', label='Channel 1')
-    plot(sample, data[1::4], 'g', label='Channel 2')
-    plot(sample, data[2::4], 'c', label='Channel 3')
-    plot(sample, data[3::4], 'm', label='Channel 4')
-    plot(sample, [mean[0]]*len(sample), 'r')
-    plot(sample, [mean[1]]*len(sample), 'r')
-    plot(sample, [mean[2]]*len(sample), 'r')
-    plot(sample, [mean[3]]*len(sample), 'r')
-    ylim(-ylimit-(ylimit/10.0), ylimit+(ylimit/10.0))
-    grid(which='both')
-    legend()
-    draw()
-    show()
-    return 0
+    return channel_data

 # Set channel offset with the DAC
 def set_offset_dac(fmc, channel, offset_volt, dac_fs=10.0, dac_nbits=16, dac_corr_flag=False):
@@ -228,7 +245,10 @@ def make_meas(carrier, fmc, box, dac_value, in_value, in_range, adc_fs, repeat):
        # Perform an acquisition
        meas = []
        for i in range(repeat):
-            meas.append(acq_channel(carrier, fmc, ch, adc_fs))
+            data = acq_channel(carrier, fmc, ch, adc_fs)
+            #plot_channel(ch, data, mean(data), adc_fs)
+            #raw_input("press enter")
+            meas.append(mean(data))
        # Calculate mean and delta of acquisitions
        ch_meas.append(mean(meas))
        ch_diff.append(max(meas)-min(meas))