pol read-out after testing, quick fix low currents

APSPU_I2C.py

@@ -48,9 +48,13 @@ RUN_MONITOR = 0x80
 # Calculate floating point value according PMBus lineair
 def calc_lin_2bytes(data):
     expo = ((data[1] & 0xf8)>>3) 
-    if expo > 2**4:
+    if expo == 1:
+        expo = -7
+    if expo > (2**4):
         expo = expo-2**5
     mantisse = (data[1] & 0x7)*0x100 + data[0]
+    if mantisse > (2**(8+2)):
+        mantisse = mantisse -2**(8+3)
     output = mantisse * 2**expo
     return output
 
@@ -59,8 +63,10 @@ def calc_lin_3bytes(data,mode):
     expo = (mode[0] & 0x1F) 
     if expo > 2**4:
         expo = expo - 2**5
-    output = (data[1]*256 + data[0]) * 2**expo
+    mant = (data[1]*256 + data[0]) 
+    output = mant * 2**expo
     return output
+
 def tach(tach_msb, tach_lsb):
     tach_pulse_per_revolution = 2
     tach = (int(tach_msb, 16)*8) + (int(tach_lsb, 16)/32)

rd_apspu.py

@@ -146,6 +146,7 @@ class PolClass:
         # Function to read the output current of the Point of Load DC/DC converter
         #
         if self.status:
+            ret_ack, raw_value = self.pol_dev.read_bytes(0x39,2)
             ret_ack, raw_value = self.pol_dev.read_bytes(LP_IOUT, 2)
             ret_value = []
             ret_value.append(int(raw_value[:2], 16))