RfidResearchGroup/proxmark3
1
1
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-02-15 19:59:34 +08:00
Code Issues Projects Releases Packages Wiki Activity

ADD: @marshmellow fix for em41x clock.

Browse source 
CHG: swap the int to a uint8_t to skip a compiler error
This commit is contained in:
iceman1001 2015-11-09 21:49:02 +01:00
parent 7c5f2ced5b
commit bca7107931
1 changed files with 13 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
client/cmdlfem4x.c
View file

@ -73,22 +73,23 @@ int CmdEM410xSim(const char *Cmd)
uint8_t uid[5] = {0x00};
if (cmdp == 'h' || cmdp == 'H') {
PrintAndLog("Usage: lf em4x em410xsim <UID>");
PrintAndLog("Usage: lf em4x em410xsim <UID> <clock>");
PrintAndLog("");
PrintAndLog(" sample: lf em4x em410xsim 0F0368568B");
return 0;
}
/* clock is 64 in EM410x tags */
uint8_t clock = 64;
if (param_gethex(Cmd, 0, uid, 10)) {
PrintAndLog("UID must include 10 HEX symbols");
return 0;
}
param_getdec(Cmd, 1, &clock);
PrintAndLog("Starting simulating UID %02X%02X%02X%02X%02X", uid[0],uid[1],uid[2],uid[3],uid[4]);
PrintAndLog("Starting simulating UID %02X%02X%02X%02X%02X clock: %d", uid[0],uid[1],uid[2],uid[3],uid[4],clock);
PrintAndLog("Press pm3-button to about simulation");
/* clock is 64 in EM410x tags */
int clock = 64;
/* clear our graph */
ClearGraph(0);
@ -197,21 +198,13 @@ int CmdEM410xWrite(const char *Cmd)
}
// Check Clock
if (card == 1)
{
// Default: 64
if (clock == 0)
clock = 64;
// Allowed clock rates: 16, 32 and 64
if ((clock != 16) && (clock != 32) && (clock != 64)) {
PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32 and 64.\n", clock);
return 0;
}
}
else if (clock != 0)
{
PrintAndLog("Error! Clock rate is only supported on T55x7 tags.\n");
// Allowed clock rates: 16, 32, 40 and 64
if ((clock != 16) && (clock != 32) && (clock != 64) && (clock != 40)) {
PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32, 40 and 64.\n", clock);
return 0;
}
@ -221,17 +214,18 @@ int CmdEM410xWrite(const char *Cmd)
// provide for backwards-compatibility for older firmware, and to avoid
// having to add another argument to CMD_EM410X_WRITE_TAG, we just store
// the clock rate in bits 8-15 of the card value
card = (card & 0xFF) | (((uint64_t)clock << 8) & 0xFF00);
}
else if (card == 0)
card = (card & 0xFF) | ((clock << 8) & 0xFF00);
} else if (card == 0) {
PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, "T5555", id, clock);
else {
card = (card & 0xFF) | ((clock << 8) & 0xFF00);
} else {
PrintAndLog("Error! Bad card type selected.\n");
return 0;
}
UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}};
SendCommand(&c);
return 0;
}