# Return the specified BCD number (max. 8 bits) as integer.
def bcd2int(b):
return (b & 0x0f) + ((b >> 4) * 10)
+
+def bitpack(bits):
+ res = 0
+ for i, b in enumerate(bits):
+ res |= b << i
+ return res
+
+def bitunpack(num, minbits=0):
+ res = []
+ while num or minbits > 0:
+ res.append(num & 1)
+ num >>= 1
+ minbits -= 1
+ return tuple(res)