def FileReader(filename):
if filename.lower().endswith(".hex") or filename.lower().endswith(".ihex"):
f = IntelHex(filename)
fdata = f.tobinarray(0)
fsize = f.maxaddr() - f.minaddr()
elif filename.lower().endswith(".bin"):
f = open(filename, "rb")
fdata = bytearray(f.read())
fsize = len(fdata)
f.close()
else:
raise IOError("Unknown file extension for file %s" % filename)
return fdata, fsize
