#include "cmdlfviking.h"
#include "lfdemod.h"
static int CmdHelp(const char *Cmd);
+
+int usage_lf_viking_clone(void){
+ PrintAndLog("clone a Viking AM tag to a T55x7 tag.");
+ PrintAndLog("Usage: lf viking clone <Card ID 16 bytes of hex number>");
+ return 0;
+}
+
+//by marshmellow
+//see ASKDemod for what args are accepted
int CmdVikingDemod(const char *Cmd)
{
- uint8_t id[4];
- if (param_gethex(Cmd,0,id,8) == 1)
- {
- PrintAndLog("Usage: lf viking demod <CardID 8 bytes of hex number>");
- return 0;
- }
- UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {false,0,0}};
- SendCommand(&c);
- WaitForResponse(CMD_ACK,NULL);
- getSamples("40000",true);
- // try to demod AMViking
- return AMVikingDemod(id);
+ CmdLFRead("s");
+ getSamples("30000",false);
+
+ if (!ASKDemod(Cmd, false, false, 1)) {
+ if (g_debugMode) PrintAndLog("ASKDemod failed");
+ return 0;
+ }
+ size_t size = DemodBufferLen;
+
+ int ans = VikingDemod_AM(DemodBuffer, &size);
+ if (ans < 0) {
+ if (g_debugMode) PrintAndLog("Error Viking_Demod");
+ return 0;
+ }
+ //got a good demod
+ uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans, 32);
+ uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
+ uint32_t cardid = bytebits_to_byte(DemodBuffer+ans+24, 32);
+ uint8_t checksum = bytebits_to_byte(DemodBuffer+ans+32+24, 8);
+ PrintAndLog("Viking Tag Found: Card ID %08X, Checksum: %02X", cardid, checksum);
+ PrintAndLog("Raw: %08X%08X", raw1,raw2);
+ setDemodBuf(DemodBuffer+ans, 64, 0);
+ return 1;
}
+
int CmdVikingClone(const char *Cmd)
{
uint32_t b1,b2;
// get the tag number 64 bits (8 bytes) in hex
uint8_t id[8];
- if (param_gethex(Cmd,0,id,16) == 1)
- {
- PrintAndLog("Usage: lf viking clone <Card ID 16 bytes of hex number>");
- return 0;
- }
- b1 = bytes_to_num(id,sizeof(uint32_t));
- b2 = bytes_to_num(id + sizeof(uint32_t),sizeof(uint32_t));
+
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) < 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_viking_clone();
+
+ if (param_gethex(Cmd, 0, id, 16) == 1)
+ return usage_lf_viking_clone();
+
+ b1 = bytes_to_num(id, sizeof(uint32_t));
+ b2 = bytes_to_num(id + sizeof(uint32_t), sizeof(uint32_t));
UsbCommand c = {CMD_VIKING_CLONE_TAG,{b1,b2}};
- SendCommand(&c);
+ clearCommandBuffer();
+ SendCommand(&c);
+ //check for ACK?
return 0;
}
static command_t CommandTable[] =
{
- {"help", CmdHelp, 1, "This help"},
- {"demod",CmdVikingDemod ,1, "<8 digits tag id> -- Extract tag data"},
- {"clone", CmdVikingClone, 1, "<16 digits card data> clone viking tag"},
+ {"help", CmdHelp, 1, "This help"},
+ {"demod", CmdVikingDemod, 1, "Extract tag data"},
+ {"clone", CmdVikingClone, 1, "<16 digits card data> clone viking tag"},
{NULL, NULL, 0, NULL}
};