X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b97311b1bde85d0aa388085e9a5747ac4da680d5..7c7327e7c89c3640c5f23330ea5263829cea8b6f:/client/cmdlft55xx.c

diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index 72345c9d..92a00bce 100644
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -141,15 +141,16 @@ int usage_t55xx_detect(){
 	return 0;
 }
 int usage_t55xx_detectP1(){
-	PrintAndLog("Usage:  lf t55xx page1detect [1] [p <password>]");
+	PrintAndLog("Command: Detect Page 1 of a t55xx chip");
+	PrintAndLog("Usage:  lf t55xx p1detect [1] [p <password>]");
 	PrintAndLog("Options:");
 	PrintAndLog("     1             - if set, use Graphbuffer otherwise read data from tag.");
 	PrintAndLog("     p <password>  - OPTIONAL password (8 hex characters)");
 	PrintAndLog("");
 	PrintAndLog("Examples:");
-	PrintAndLog("      lf t55xx page1detect");
-	PrintAndLog("      lf t55xx page1detect 1");
-	PrintAndLog("      lf t55xx page1detect p 11223344");
+	PrintAndLog("      lf t55xx p1detect");
+	PrintAndLog("      lf t55xx p1detect 1");
+	PrintAndLog("      lf t55xx p1detect p 11223344");
 	PrintAndLog("");
 	return 0;
 }
@@ -235,7 +236,7 @@ int CmdT55xxSetConfig(const char *Cmd) {
 			cmdp+=2;
 			break;
 		case 'd':
-			param_getstr(Cmd, cmdp+1, modulation);
+			param_getstr(Cmd, cmdp+1, modulation, sizeof(modulation));
 			cmdp += 2;
 
 			if ( strcmp(modulation, "FSK" ) == 0) {
@@ -418,23 +419,23 @@ bool DecodeT55xxBlock(){
 			break;
 		case DEMOD_PSK1:
 			// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
-			save_restoreGB(1);
+			save_restoreGB(GRAPH_SAVE);
 			CmdLtrim("160");
 			snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
 			ans = PSKDemod(cmdStr, false);
 			//undo trim samples
-			save_restoreGB(0);
+			save_restoreGB(GRAPH_RESTORE);
 			break;
 		case DEMOD_PSK2: //inverted won't affect this
 		case DEMOD_PSK3: //not fully implemented
 			// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
-			save_restoreGB(1);
+			save_restoreGB(GRAPH_SAVE);
 			CmdLtrim("160");
 			snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
 			ans = PSKDemod(cmdStr, false);
 			psk1TOpsk2(DemodBuffer, DemodBufferLen);
 			//undo trim samples
-			save_restoreGB(0);
+			save_restoreGB(GRAPH_RESTORE);
 			break;
 		case DEMOD_NRZ:
 			snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
@@ -506,8 +507,8 @@ bool tryDetectModulation(){
 	t55xx_conf_block_t tests[15];
 	int bitRate=0;
 	uint8_t fc1 = 0, fc2 = 0, ans = 0;
-	int clk=0;
-	ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false);
+	int clk = 0, firstClockEdge = 0;
+	ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge);
 	if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) {
 		if ( FSKrawDemod("0 0", false) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
 			tests[hits].modulation = DEMOD_FSK;
@@ -570,7 +571,7 @@ bool tryDetectModulation(){
 			}
 		}
 		clk = GetNrzClock("", false, false);
-		if (clk>0) {
+		if (clk>8) { //clock of rf/8 is likely a false positive, so don't use it.
 			if ( NRZrawDemod("0 0 1", false)  && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
 				tests[hits].modulation = DEMOD_NRZ;
 				tests[hits].bitrate = bitRate;
@@ -593,7 +594,7 @@ bool tryDetectModulation(){
 		clk = GetPskClock("", false, false);
 		if (clk>0) {
 			// allow undo
-			save_restoreGB(1);
+			save_restoreGB(GRAPH_SAVE);
 			// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
 			CmdLtrim("160");
 			if ( PSKDemod("0 0 6", false) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
@@ -637,7 +638,7 @@ bool tryDetectModulation(){
 				}
 			} // inverse waves does not affect this demod
 			//undo trim samples
-			save_restoreGB(0);
+			save_restoreGB(GRAPH_RESTORE);
 		}
 	}	
 	if ( hits == 1) {
@@ -809,6 +810,7 @@ bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5)
 			if (!testBitRate(bitRate, clk)) continue;
 		} else { //extended mode bitrate = same function to calc bitrate as em4x05
 			if (EM4x05_GET_BITRATE(bitRate) != clk) continue;
+
 		}
 		//test modulation
 		if (!testModulation(mode, modread)) continue;
@@ -868,7 +870,7 @@ int special(const char *Cmd) {
 int printConfiguration( t55xx_conf_block_t b){
 	PrintAndLog("Chip Type  : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
 	PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
-	PrintAndLog("Bit Rate   : %s", GetBitRateStr(b.bitrate, (b.block0 & T55x7_X_MODE)) );
+	PrintAndLog("Bit Rate   : %s", GetBitRateStr(b.bitrate, (b.block0 & T55x7_X_MODE && (b.block0>>28==6 || b.block0>>28==9))) );
 	PrintAndLog("Inverted   : %s", (b.inverted) ? "Yes" : "No" );
 	PrintAndLog("Offset     : %d", b.offset);
 	PrintAndLog("Seq. Term. : %s", (b.ST) ? "Yes" : "No" );
@@ -1232,11 +1234,7 @@ int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
 		PrintAndLog("command execution time out");
 		return 0;
 	}
-
-	uint8_t got[12000];
-	GetFromBigBuf(got,sizeof(got),0);
-	WaitForResponse(CMD_ACK,NULL);
-	setGraphBuf(got, sizeof(got));
+	getSamples(12000,true);
 	return 1;
 }
 
@@ -1557,7 +1555,7 @@ bool tryDetectP1(bool getData) {
 	uint8_t preamble[] = {1,1,1,0,0,0,0,0,0,0,0,1,0,1,0,1};
 	size_t startIdx = 0;
 	uint8_t fc1 = 0, fc2 = 0, ans = 0;
-	int clk = 0;
+	int clk = 0, firstClockEdge = 0;
 	bool st = true;
 
 	if ( getData ) {
@@ -1566,7 +1564,7 @@ bool tryDetectP1(bool getData) {
 	}
 
 	// try fsk clock detect. if successful it cannot be any other type of modulation...  (in theory...)
-	ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false);
+	ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge);
 	if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) {
 		if ( FSKrawDemod("0 0", false) && 
 			  preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&