def checksum1(p):
c = hi_nibble(p[6]) + (lo_nibble(p[7]) << 4)
s = ((nibble_sum(6, p) + lo_nibble(p[6]) - 0xa) & 0xff)
return s == c
def checksum7(p):
return p[7] == ((nibble_sum(7, p) - 0xa) & 0xff)
def checksum8(p):
c = hi_nibble(p[9]) + (lo_nibble(p[10]) << 4)
s = ((nibble_sum(9, p) - 0xa) & 0xff)
return s == c
def checksum6(p):
return (hi_nibble(p[8]) +
(lo_nibble(p[9]) << 4) == ((nibble_sum(8, p) - 0xa) & 0xff))
def checksum5(p):
return p[10] == ((nibble_sum(10, p) - 0xa) & 0xff)
def checksum4(p):
return p[9] == ((nibble_sum(9, p) - 0xa) & 0xff)
def checksum3(p):
return p[11] == ((nibble_sum(11, p) - 0xa) & 0xff)
def checksum2(p):
return p[8] == ((nibble_sum(8, p) - 0xa) & 0xff)
