python

python/sls_detector/utils.py

@@ -0,0 +1,32 @@
+"""
+Utility functions that are useful for testing and troubleshooting
+but not directly used in controlling the detector
+"""
+
+
+def all_equal(mylist):
+    """If all elements are equal return true otherwise false"""
+    return all(x == mylist[0] for x in mylist)
+
+
+def element_if_equal(mylist):
+    """If all elements are equal return only one element"""
+    if all_equal(mylist):
+        if len(mylist) == 0:
+            return None
+        else:
+            return mylist[0]
+    else:
+        return mylist
+
+
+def eiger_register_to_time(register):
+    """
+    Decode register value and return time in s. Values are stored in
+    a 32bit register with bits 2->0 containing the exponent and bits
+    31->3 containing the significand (int value)
+
+    """
+    clocks = register >> 3
+    exponent = register & 0b111
+    return clocks*10**exponent / 100e6