Merge pull request #242 from marshmellow42/master

move viking demod to respective file

CHANGELOG.md

@@ -26,7 +26,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 - `lf viking read` - read viking tag and output ID
 - `lf t55xx wipe`  - sets t55xx back to factory defaults
 - Added viking demod to `lf search` (marshmellow)
-- `data askvikingdemod` demod viking id tag from graphbuffer (marshmellow)
+- `lf viking demod` demod viking id tag from graphbuffer (marshmellow)
 - `lf t55xx resetread` added reset then read command - should allow determining start of stream transmissions (marshmellow)
 - `lf t55xx wakeup` added wake with password (AOR) to allow lf search or standard lf read after (iceman, marshmellow)
 - `hf iclass managekeys` to save, load and manage iclass keys.  (adjusted most commands to accept a loaded key in memory) (marshmellow)
@@ -45,6 +45,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 - Added option c to 'hf list' (mark CRC bytes) (piwi)
 
 ### Changed
+- `data askvikingdemod` has been moved to `lf viking demod` (reads from graphbuffer)
 - `data fskpyramiddemod` has been moved to `lf pyramid demod` (reads from graphbuffer)
 - `data fskiodemod` has been moved to `lf io demod` (reads from graphbuffer)
 - `lf io fskdemod` has been renamed to `lf io read` (reads from antenna)

client/cmddata.c

@@ -510,33 +510,6 @@ int CmdG_Prox_II_Demod(const char *Cmd)
 	return 1;
 }
 
-//could be moved to a viking file
-//by marshmellow
-//see ASKDemod for what args are accepted
-int CmdVikingDemod(const char *Cmd)
-{
-	if (!ASKDemod(Cmd, false, false, 1)) {
-		if (g_debugMode) PrintAndLog("ASKDemod failed");
-		return 0;
-	}
-	size_t size = DemodBufferLen;
-	//call lfdemod.c demod for Viking
-	int ans = VikingDemod_AM(DemodBuffer, &size);
-	if (ans < 0) {
-		if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans);
-		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, (unsigned int) checksum);
-	PrintAndLog("Raw: %08X%08X", raw1,raw2);
-	setDemodBuf(DemodBuffer+ans, 64, 0);
-	return 1;
-}
-
 //by marshmellow - see ASKDemod
 int Cmdaskrawdemod(const char *Cmd)
 {
@@ -1857,7 +1830,6 @@ static command_t CommandTable[] =
 	{"help",            CmdHelp,            1, "This help"},
 	{"askedgedetect",   CmdAskEdgeDetect,   1, "[threshold] Adjust Graph for manual ask demod using the length of sample differences to detect the edge of a wave (use 20-45, def:25)"},
 	{"askgproxiidemod", CmdG_Prox_II_Demod, 1, "Demodulate a G Prox II tag from GraphBuffer"},
-	{"askvikingdemod",  CmdVikingDemod,     1, "Demodulate a Viking tag from GraphBuffer"},
 	{"autocorr",        CmdAutoCorr,        1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
 	{"biphaserawdecode",CmdBiphaseDecodeRaw,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
 	{"bin2hex",         Cmdbin2hex,         1, "bin2hex <digits>     -- Converts binary to hexadecimal"},

client/cmddata.h

@@ -23,7 +23,6 @@ int CmdData(const char *Cmd);
 void printDemodBuff(void);
 void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx);
 int CmdPrintDemodBuff(const char *Cmd);
-int CmdVikingDemod(const char *Cmd);
 int CmdG_Prox_II_Demod(const char *Cmd);
 int Cmdaskrawdemod(const char *Cmd);
 int Cmdaskmandemod(const char *Cmd);

client/cmdlfviking.c

@@ -17,7 +17,6 @@
 #include "cmddata.h"
 #include "cmdmain.h"
 #include "cmdlf.h"
-#include "cmdlfviking.h"
 #include "lfdemod.h"
 static int CmdHelp(const char *Cmd);
 
@@ -50,13 +49,40 @@ uint64_t getVikingBits(uint32_t id) {
 	uint8_t checksum = ((id>>24) & 0xFF) ^ ((id>>16) & 0xFF) ^ ((id>>8) & 0xFF) ^ (id & 0xFF) ^ 0xF2 ^ 0xA8;
 	return ((uint64_t)0xF2 << 56) | ((uint64_t)id << 8) | checksum;
 }
+
+//could be moved to a viking file
+//by marshmellow
+//see ASKDemod for what args are accepted
+int CmdVikingDemod(const char *Cmd) {
+	if (!ASKDemod(Cmd, false, false, 1)) {
+		if (g_debugMode) PrintAndLog("ASKDemod failed");
+		return 0;
+	}
+	size_t size = DemodBufferLen;
+	//call lfdemod.c demod for Viking
+	int ans = VikingDemod_AM(DemodBuffer, &size);
+	if (ans < 0) {
+		if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans);
+		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, (unsigned int) checksum);
+	PrintAndLog("Raw: %08X%08X", raw1,raw2);
+	setDemodBuf(DemodBuffer+ans, 64, 0);
+	return 1;
+}
+
 //by marshmellow
 //see ASKDemod for what args are accepted
 int CmdVikingRead(const char *Cmd) {
 	// read lf silently
 	CmdLFRead("s");
 	// get samples silently
-	getSamples("30000",false);
+	getSamples("10000",false);
 	// demod and output viking ID	
 	return CmdVikingDemod(Cmd);
 }
@@ -110,7 +136,8 @@ int CmdVikingSim(const char *Cmd) {
 
 static command_t CommandTable[] = {
 	{"help",  CmdHelp,        1, "This help"},
-	{"read",  CmdVikingRead,  0, "Attempt to read and Extract tag data"},
+	{"demod", CmdVikingDemod, 1, "Demodulate a Viking tag from the GraphBuffer"},
+	{"read",  CmdVikingRead,  0, "Attempt to read and Extract tag data from the antenna"},
 	{"clone", CmdVikingClone, 0, "<8 digit ID number> clone viking tag"},
 	{"sim",   CmdVikingSim,   0, "<8 digit ID number> simulate viking tag"},
 	{NULL, NULL, 0, NULL}

client/cmdlfviking.h

@@ -8,9 +8,10 @@
 //-----------------------------------------------------------------------------
 #ifndef CMDLFVIKING_H__
 #define CMDLFVIKING_H__
-int CmdLFViking(const char *Cmd);
+extern int CmdLFViking(const char *Cmd);
-int CmdVikingRead(const char *Cmd);
+extern int CmdVikingDemod(const char *Cmd);
-int CmdVikingClone(const char *Cmd);
+extern int CmdVikingRead(const char *Cmd);
-int CmdVikingSim(const char *Cmd);
+extern int CmdVikingClone(const char *Cmd);
+extern int CmdVikingSim(const char *Cmd);
 #endif