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FIX: lf visa2000 actually the parity is on the whole id.

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iceman1001 2017-03-05 17:13:43 +01:00
parent fb26bb5436
commit dc873169cf
1 changed files with 5 additions and 1 deletions
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6
client/cmdlfvisa2000.c
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@ -54,6 +54,10 @@ static uint8_t visa_parity( uint32_t id) {
,0,1,1,0
};
uint8_t par = 0;
par |= par_lut[ NIBBLE_HIGH( (id >> 24) & 0xFF) ] << 7;
par |= par_lut[ NIBBLE_LOW( (id >> 24) & 0xFF) ] << 6;
par |= par_lut[ NIBBLE_HIGH( (id >> 16) & 0xFF) ] << 5;
par |= par_lut[ NIBBLE_LOW( (id >> 16) & 0xFF) ] << 4;
par |= par_lut[ NIBBLE_HIGH( (id >> 8) & 0xFF) ] << 3;
par |= par_lut[ NIBBLE_LOW( (id >> 8) & 0xFF) ] << 2;
par |= par_lut[ NIBBLE_HIGH( id & 0xFF ) ] << 1;
@ -124,7 +128,7 @@ int CmdVisa2kDemod(const char *Cmd) {
}
// parity
uint8_t calc_par = visa_parity(raw2);
uint8_t chk_par = (raw3 & 0xF0) >> 4;
uint8_t chk_par = (raw3 & 0xFF0) >> 4;
if ( calc_par != chk_par) {
printf("DEBUG: error: Visa2000 parity failed %x - %x\n", chk_par, calc_par);
save_restoreGB(0);