if (tracing) LogTrace(resp, respLen, 0, 0, parity, FALSE);
}
FpgaDisableSscDma();
+ set_tracing(FALSE);
}
//=============================================================================
* false if we are still waiting for some more
*
*/
+ #define abs(x) ( ((x)<0) ? -(x) : (x) )
static RAMFUNC int Handle14443bSamplesDemod(int ci, int cq)
{
int v = 0;
if (Demod.len == 0) {
DbpString("No response from tag");
+ set_tracing(FALSE);
return;
} else {
Dbprintf("Randomly generated Chip ID (+ 2 byte CRC): %02x %02x %02x",
GetSamplesFor14443bDemod(RECEIVE_SAMPLES_TIMEOUT, TRUE);
if (Demod.len != 3) {
Dbprintf("Expected 3 bytes from tag, got %d", Demod.len);
+ set_tracing(FALSE);
return;
}
// Check the CRC of the answer:
ComputeCrc14443(CRC_14443_B, Demod.output, 1 , &cmd1[2], &cmd1[3]);
if(cmd1[2] != Demod.output[1] || cmd1[3] != Demod.output[2]) {
DbpString("CRC Error reading select response.");
+ set_tracing(FALSE);
return;
}
// Check response from the tag: should be the same UID as the command we just sent:
if (cmd1[1] != Demod.output[0]) {
Dbprintf("Bad response to SELECT from Tag, aborting: %02x %02x", cmd1[1], Demod.output[0]);
+ set_tracing(FALSE);
return;
}
GetSamplesFor14443bDemod(RECEIVE_SAMPLES_TIMEOUT, TRUE);
if (Demod.len != 10) {
Dbprintf("Expected 10 bytes from tag, got %d", Demod.len);
+ set_tracing(FALSE);
return;
}
// The check the CRC of the answer (use cmd1 as temporary variable):
}
i++;
}
+
+ set_tracing(FALSE);
}
if(!ReaderIsActive) { // no need to try decoding tag data if the reader is sending - and we cannot afford the time
// is this | 0x01 the error? & 0xfe in https://github.com/Proxmark/proxmark3/issues/103
- if(Handle14443bSamplesDemod(ci | 0x01, cq | 0x01)) {
+ if(Handle14443bSamplesDemod(ci & 0xfe, cq & 0xfe)) {
//Use samples as a time measurement
if(tracing)
}
TagIsActive = (Demod.state > DEMOD_GOT_FALLING_EDGE_OF_SOF);
}
-
}
FpgaDisableSscDma();
LEDsoff();
+ set_tracing(FALSE);
+
AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS;
DbpString("Snoop statistics:");
Dbprintf(" Max behind by: %i", maxBehindBy);
if(!powerfield) {
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
FpgaDisableSscDma();
+ set_tracing(FALSE);
LED_D_OFF();
}
}