X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a126332a7b3c85274a9988f8a6994fba930b5f52..62d0bbf62f5bd3c1da25ee2adf60d3b4efe24cc8:/client/cmdlfviking.c

diff --git a/client/cmdlfviking.c b/client/cmdlfviking.c
index a338d5a3..4ea35422 100644
--- a/client/cmdlfviking.c
+++ b/client/cmdlfviking.c
@@ -47,19 +47,20 @@ int usage_lf_viking_sim(void) {
 
 // calc checksum
 uint64_t getVikingBits(uint32_t id) {
-	uint8_t checksum = (id>>24) ^ ((id>>16) & 0xFF) ^ ((id>>8) & 0xFF) ^ (id & 0xFF) ^ 0xF2 ^ 0xA8;
+	uint8_t checksum = ((id>>24) & 0xFF) ^ ((id>>16) & 0xFF) ^ ((id>>8) & 0xFF) ^ (id & 0xFF) ^ 0xF2 ^ 0xA8;
 	uint64_t ret = (uint64_t)0xF2 << 56;
-	ret |= (id << 8);
+	ret |= (uint64_t)id << 8;
 	ret	|= checksum;
 	return ret;
 }
+
 //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("20000", TRUE);
 	// demod and output viking ID	
 	return CmdVikingDemod(Cmd);
 }
@@ -69,7 +70,7 @@ int CmdVikingClone(const char *Cmd) {
 	uint64_t rawID = 0;
 	bool Q5 = false;
 	char cmdp = param_getchar(Cmd, 0);
-	if (strlen(Cmd) < 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_viking_clone();
+	if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_viking_clone();
 	
 	id = param_get32ex(Cmd, 0, 0, 16);
 	if (id == 0) return usage_lf_viking_clone();
@@ -79,8 +80,9 @@ int CmdVikingClone(const char *Cmd) {
 		Q5 = true;
 
 	rawID = getVikingBits(id);
-
-	UsbCommand c = {CMD_VIKING_CLONE_TAG,{rawID >> 32, rawID & 0xFFFF, Q5}};
+	
+	PrintAndLog("Cloning - ID: %08X, Raw: %08X%08X",id,(uint32_t)(rawID >> 32),(uint32_t) (rawID & 0xFFFFFFFF));
+	UsbCommand c = {CMD_VIKING_CLONE_TAG,{rawID >> 32, rawID & 0xFFFFFFFF, Q5}};
 	clearCommandBuffer();
     SendCommand(&c);
 	//check for ACK
@@ -94,7 +96,7 @@ int CmdVikingSim(const char *Cmd) {
 	uint8_t clk = 32, encoding = 1, separator = 0, invert = 0;
 
 	char cmdp = param_getchar(Cmd, 0);
-	if (strlen(Cmd) < 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_viking_sim();
+	if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_viking_sim();
 
 	id = param_get32ex(Cmd, 0, 0, 16);
 	if (id == 0) return usage_lf_viking_sim();
@@ -106,9 +108,10 @@ int CmdVikingSim(const char *Cmd) {
 	arg1 = clk << 8 | encoding;
 	arg2 = invert << 8 | separator;
 
+	PrintAndLog("Simulating - ID: %08X, Raw: %08X%08X",id,(uint32_t)(rawID >> 32),(uint32_t) (rawID & 0xFFFFFFFF));
+	
 	UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
-	PrintAndLog("preparing to sim ask data: %d bits", size);
-	num_to_bytebits(rawID, 64, c.d.asBytes);
+	num_to_bytebits(rawID, size, c.d.asBytes);
 	clearCommandBuffer();
 	SendCommand(&c);
 	return 0;
@@ -123,6 +126,7 @@ static command_t CommandTable[] = {
 };
 
 int CmdLFViking(const char *Cmd) {
+	clearCommandBuffer();
     CmdsParse(CommandTable, Cmd);
     return 0;
 }