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chg; no more crash when getting partial usb packages.

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This commit is contained in:
iceman1001 2016-04-25 23:15:12 +02:00
parent ed69e099a1
commit a420e5c163
1 changed files with 17 additions and 13 deletions
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30
client/cmdhf14b.c
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@ -848,24 +848,28 @@ bool waitCmd(bool verbose) {
if (WaitForResponseTimeout(CMD_ACK, &resp, TIMEOUT)) {
status = (resp.arg[0] & 0xFFFF);
status = (resp.arg[0] & 0xFF);
if ( status > 0 ) return FALSE;
len = (resp.arg[1] & 0xFFFF);
memcpy(data, resp.d.asBytes, len);
if (verbose) {
ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
crc = ( data[len-2] == b1 && data[len-1] == b2);
PrintAndLog("[LEN %u] %s[%02X %02X] %s",
len,
sprint_hex(data, len-2),
data[len-2],
data[len-1],
(crc) ? "OK" : "FAIL"
);
if ( len >= 3 ) {
ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
crc = ( data[len-2] == b1 && data[len-1] == b2);
PrintAndLog("[LEN %u] %s[%02X %02X] %s",
len,
sprint_hex(data, len-2),
data[len-2],
data[len-1],
(crc) ? "OK" : "FAIL"
);
} else {
PrintAndLog("[LEN %u] %s", len, sprint_hex(data, len) );
}
}
return TRUE;
} else {