add fix for invalid temperatures

AHBGOx.py

@@ -81,7 +81,7 @@ def main():
             nameadd = nameadd + '_mV'
             u = [1.0]*18
             
-        if len(args.nameadd)>0:
+        if args.nameadd:
             nameadd = args.nameadd[0]
 
         global trigchan 
@@ -97,7 +97,7 @@ def main():
             hist[i][0]=minV + resV*i
 
         with fileinput.input(files=(file), encoding="utf-8") as f: 
-            T='unknown'
+            T = None
             B1 = []
             B2 = []
             for line in f:
@@ -105,7 +105,7 @@ def main():
                 if not 'EOF' in l:
                     if l[0] == 'H':
                         T = adc_to_T(int(l[8]))
-                    elif l[0] == 'EI' and not T=='unknown':    
+                    elif l[0] == 'EI' and T is not None:    
                         if conditions(l,args):  
                             if args.tdhist:
                                 B1.append(CmV(l,ch[0])*u[0])
@@ -187,10 +187,10 @@ def adc_to_T(adc):
     R1 = 10000
     b = 3940
     dac = 62690
-    T = 0
+    if adc/(dac-adc)-1 <= 0:
+        return
     alpha = np.log(R1/R25 *(dac/(dac-adc)-1))
-    T = 1/(alpha/b+1/298.15) -273.15
-    return T 
+    return 1/(alpha/b+1/298.15) -273.15 
 
 
 def conditions(l,args):

plot_hist.py

@@ -7,7 +7,7 @@ import argparse
 import matplotlib.pyplot as plt
 import numpy as np
 
-###the comandline interface
+###the commandline interface
 parser = argparse.ArgumentParser(
                     prog='plot_hist.py',
                     description='takes a .hist file as input and creates a plot')