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# vim: ts=8 sw=8 noexpandtab
#
# CRC code generator
#
# Copyright (c) 2019-2023 Michael Büsch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
__all__ = [
"CRC_PARAMETERS",
]
CRC_PARAMETERS = {
"CRC-64-ECMA" : {
"polynomial" : 0xC96C5795D7870F42,
"nrBits" : 64,
"shiftRight" : True,
},
"CRC-64-ISO" : {
"polynomial" : 0xD800000000000000,
"nrBits" : 64,
"shiftRight" : True,
},
"CRC-32" : {
"polynomial" : 0xEDB88320,
"nrBits" : 32,
"shiftRight" : True,
},
"CRC-16" : {
"polynomial" : 0xA001,
"nrBits" : 16,
"shiftRight" : True,
},
"CRC-16-CCITT" : {
"polynomial" : 0x1021,
"nrBits" : 16,
"shiftRight" : False,
},
"CRC-8-CCITT" : {
"polynomial" : 0x07,
"nrBits" : 8,
"shiftRight" : False,
},
"CRC-8-IBUTTON" : {
"polynomial" : 0x8C,
"nrBits" : 8,
"shiftRight" : True,
},
"CRC-6-ITU" : {
"polynomial" : 0x03,
"nrBits" : 6,
"shiftRight" : False,
},
}
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