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Diffstat (limited to 'glucometerutils/drivers/lifescan_common.py')
| -rw-r--r-- | glucometerutils/drivers/lifescan_common.py | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/glucometerutils/drivers/lifescan_common.py b/glucometerutils/drivers/lifescan_common.py index ada58e8..9a60ab6 100644 --- a/glucometerutils/drivers/lifescan_common.py +++ b/glucometerutils/drivers/lifescan_common.py @@ -26,23 +26,3 @@ class InvalidSerialNumber(exceptions.Error): """The serial number is not as expected.""" def __init__(self, serial_number): self.message = 'Serial number %s is invalid.' % serial_number - - -def calculate_checksum(bytestring): - """Calculate the checksum used by OneTouch Ultra and Ultra2 devices - - Args: - bytestring: the string of which the checksum has to be calculated. - - Returns: - A string with the hexdecimal representation of the checksum for the input. - - The checksum is a very stupid one: it just sums all the bytes, - modulo 16-bit, without any parity. - """ - checksum = 0 - - for byte in bytestring: - checksum = (checksum + byte) & 0xffff - - return checksum |