Add emuns to ps3000a.py

Author: neil.hamilton

picosdk/ps3000a.py

@@ -63,6 +63,23 @@ def __init__(self):
     for k, v in ps3000a.PS3000A_RANGE.items() if k != "PS3000A_MAX_RANGES"
 }
 
+ps3000a.PS3000A_RATIO_MODE = {
+    'PS3000A_RATIO_MODE_NONE': 0,
+    'PS3000A_RATIO_MODE_AGGREGATE': 1,
+    'PS3000A_RATIO_MODE_DECIMATE': 2,
+    'PS3000A_RATIO_MODE_AVERAGE': 4,
+}
+
+ps3000a.PS3000A_TIME_UNITS = make_enum([
+    'PS3000A_FS',
+    'PS3000A_PS',
+    'PS3000A_NS',
+    'PS3000A_US',
+    'PS3000A_MS',
+    'PS3000A_S',
+    'PS3000A_MAX_TIME_UNITS',
+])
+
 ps3000a.PS3000A_DIGITAL_CHANNEL = make_enum([
     "PS3000A_DIGITAL_CHANNEL_0",
     "PS3000A_DIGITAL_CHANNEL_1",