X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7838f4beba79370f94c7a3de2cf34278f5d481c8..57c7b44be53a08f355a8978e1db786048c0e8171:/armsrc/appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 03e6eba2..c51aa54e 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -26,6 +26,7 @@
 #include "lfsampling.h"
 #include "BigBuf.h"
 #include "mifareutil.h"
+#include "pcf7931.h"
 #ifdef WITH_LCD
  #include "LCD.h"
 #endif
@@ -33,6 +34,7 @@
 // Craig Young - 14a stand-alone code
 #ifdef WITH_ISO14443a_StandAlone
  #include "iso14443a.h"
+ #include "protocols.h"
 #endif
 
 #define abs(x) ( ((x)<0) ? -(x) : (x) )
@@ -298,6 +300,36 @@ void SendVersion(void)
 	uint32_t compressed_data_section_size = common_area.arg1;
 	cmd_send(CMD_ACK, *(AT91C_DBGU_CIDR), text_and_rodata_section_size + compressed_data_section_size, 0, VersionString, strlen(VersionString));
 }
+
+// measure the USB Speed by sending SpeedTestBufferSize bytes to client and measuring the elapsed time.
+// Note: this mimics GetFromBigbuf(), i.e. we have the overhead of the UsbCommand structure included.
+void printUSBSpeed(void) 
+{
+	Dbprintf("USB Speed:");
+	Dbprintf("  Sending USB packets to client...");
+
+	#define USB_SPEED_TEST_MIN_TIME	1500	// in milliseconds
+	uint8_t *test_data = BigBuf_get_addr();
+	uint32_t end_time;
+
+	uint32_t start_time = end_time = GetTickCount();
+	uint32_t bytes_transferred = 0;
+
+	LED_B_ON();
+	while(end_time < start_time + USB_SPEED_TEST_MIN_TIME) {
+		cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K, 0, USB_CMD_DATA_SIZE, 0, test_data, USB_CMD_DATA_SIZE);
+		end_time = GetTickCount();
+		bytes_transferred += USB_CMD_DATA_SIZE;
+	}
+	LED_B_OFF();
+
+	Dbprintf("  Time elapsed:      %dms", end_time - start_time);
+	Dbprintf("  Bytes transferred: %d", bytes_transferred);
+	Dbprintf("  USB Transfer Speed PM3 -> Client = %d Bytes/s", 
+		1000 * bytes_transferred / (end_time - start_time));
+
+}
+	
 /**
   * Prints runtime information about the PM3.
 **/
@@ -306,10 +338,14 @@ void SendStatus(void)
 	BigBuf_print_status();
 	Fpga_print_status();
 	printConfig(); //LF Sampling config
+	printUSBSpeed();
 	Dbprintf("Various");
-	Dbprintf("  MF_DBGLEVEL......%d", MF_DBGLEVEL);
-	Dbprintf("  ToSendMax........%d",ToSendMax);
-	Dbprintf("  ToSendBit........%d",ToSendBit);
+	Dbprintf("  MF_DBGLEVEL........%d", MF_DBGLEVEL);
+	Dbprintf("  ToSendMax..........%d", ToSendMax);
+	Dbprintf("  ToSendBit..........%d", ToSendBit);
+	Dbprintf("  ToSend BUFFERSIZE..%d", TOSEND_BUFFER_SIZE);
+
+	cmd_send(CMD_ACK,1,0,0,0,0);
 }
 
 #if defined(WITH_ISO14443a_StandAlone) || defined(WITH_LF)
@@ -343,36 +379,34 @@ void StandAloneMode14a()
 	FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
 
 	int selected = 0;
-	int playing = 0;
+	int playing = 0, iGotoRecord = 0, iGotoClone = 0;
 	int cardRead[OPTS] = {0};
 	uint8_t readUID[10] = {0};
 	uint32_t uid_1st[OPTS]={0};
 	uint32_t uid_2nd[OPTS]={0};
+	uint32_t uid_tmp1 = 0;
+	uint32_t uid_tmp2 = 0;
+	iso14a_card_select_t hi14a_card[OPTS];
 
+	uint8_t params = (MAGIC_SINGLE | MAGIC_DATAIN);
+					
 	LED(selected + 1, 0);
 
 	for (;;)
 	{
 		usb_poll();
 		WDT_HIT();
-
-		// Was our button held down or pressed?
-		int button_pressed = BUTTON_HELD(1000);
 		SpinDelay(300);
 
-		// Button was held for a second, begin recording
-		if (button_pressed > 0 && cardRead[selected] == 0)
+		if (iGotoRecord == 1 || cardRead[selected] == 0)
 		{
+			iGotoRecord = 0;
 			LEDsoff();
 			LED(selected + 1, 0);
 			LED(LED_RED2, 0);
 
 			// record
 			Dbprintf("Enabling iso14443a reader mode for [Bank: %u]...", selected);
-
-			// wait for button to be released
-			while(BUTTON_PRESS())
-				WDT_HIT();
 			/* need this delay to prevent catching some weird data */
 			SpinDelay(500);
 			/* Code for reading from 14a tag */
@@ -383,22 +417,54 @@ void StandAloneMode14a()
 			for ( ; ; )
 			{
 				WDT_HIT();
-				if (!iso14443a_select_card(uid, NULL, &cuid))
+				if (BUTTON_PRESS()) {
+					if (cardRead[selected]) {
+						Dbprintf("Button press detected -- replaying card in bank[%d]", selected);
+						break;
+					}
+					else if (cardRead[(selected+1)%OPTS]) {
+						Dbprintf("Button press detected but no card in bank[%d] so playing from bank[%d]", selected, (selected+1)%OPTS);
+						selected = (selected+1)%OPTS;
+						break; // playing = 1;
+					}
+					else {
+						Dbprintf("Button press detected but no stored tag to play. (Ignoring button)");
+						SpinDelay(300);
+					}
+				}
+				if (!iso14443a_select_card(uid, &hi14a_card[selected], &cuid))
 					continue;
 				else
 				{
 					Dbprintf("Read UID:"); Dbhexdump(10,uid,0);
 					memcpy(readUID,uid,10*sizeof(uint8_t));
-					uint8_t *dst = (uint8_t *)&uid_1st[selected];
+					uint8_t *dst = (uint8_t *)&uid_tmp1;
 					// Set UID byte order
 					for (int i=0; i<4; i++)
 						dst[i] = uid[3-i];
-					dst = (uint8_t *)&uid_2nd[selected];
+					dst = (uint8_t *)&uid_tmp2;
 					for (int i=0; i<4; i++)
 						dst[i] = uid[7-i];
+					if (uid_1st[(selected+1)%OPTS] == uid_tmp1 && uid_2nd[(selected+1)%OPTS] == uid_tmp2) {
+						Dbprintf("Card selected has same UID as what is stored in the other bank. Skipping.");
+					}
+					else {
+						if (uid_tmp2) {
+							Dbprintf("Bank[%d] received a 7-byte UID",selected);
+							uid_1st[selected] = (uid_tmp1)>>8;
+							uid_2nd[selected] = (uid_tmp1<<24) + (uid_tmp2>>8);
+						}
+						else {
+							Dbprintf("Bank[%d] received a 4-byte UID",selected);
+							uid_1st[selected] = uid_tmp1;
+							uid_2nd[selected] = uid_tmp2;
+						}
 					break;
 				}
 			}
+			}
+			Dbprintf("ATQA = %02X%02X",hi14a_card[selected].atqa[0],hi14a_card[selected].atqa[1]);
+			Dbprintf("SAK = %02X",hi14a_card[selected].sak);
 			LEDsoff();
 			LED(LED_GREEN,  200);
 			LED(LED_ORANGE, 200);
@@ -407,101 +473,98 @@ void StandAloneMode14a()
 
 			LEDsoff();
 			LED(selected + 1, 0);
-			// Finished recording
 
-			// If we were previously playing, set playing off
-			// so next button push begins playing what we recorded
-			playing = 0;
+			// Next state is replay:
+			playing = 1;
 
 			cardRead[selected] = 1;
-
 		}
-		/* MF UID clone */
-		else if (button_pressed > 0 && cardRead[selected] == 1)
+		/* MF Classic UID clone */
+		else if (iGotoClone==1)
 		{
-					LEDsoff();
-					LED(selected + 1, 0);
-					LED(LED_ORANGE, 250);
-
+			iGotoClone=0;
+			LEDsoff();
+			LED(selected + 1, 0);
+			LED(LED_ORANGE, 250);
 
-					// record
-					Dbprintf("Preparing to Clone card [Bank: %x]; uid: %08x", selected, uid_1st[selected]);
+			// record
+			Dbprintf("Preparing to Clone card [Bank: %x]; uid: %08x", selected, uid_1st[selected]);
 
-					// wait for button to be released
-					while(BUTTON_PRESS())
-					{
-						// Delay cloning until card is in place
-						WDT_HIT();
-					}
-					Dbprintf("Starting clone. [Bank: %u]", selected);
-					// need this delay to prevent catching some weird data
-					SpinDelay(500);
-					// Begin clone function here:
-					/* Example from client/mifarehost.c for commanding a block write for "magic Chinese" cards:
-							UsbCommand c = {CMD_MIFARE_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}};
-							memcpy(c.d.asBytes, data, 16);
-							SendCommand(&c);
-
-						Block read is similar:
-							UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, 0, blockNo}};
-						We need to imitate that call with blockNo 0 to set a uid.
-
-						The get and set commands are handled in this file:
-							// Work with "magic Chinese" card
-							case CMD_MIFARE_CSETBLOCK:
-									MifareCSetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
-									break;
-							case CMD_MIFARE_CGETBLOCK:
-									MifareCGetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
-													//
-									break;
-
-						mfCSetUID provides example logic for UID set workflow:
-							-Read block0 from card in field with MifareCGetBlock()
-							-Configure new values without replacing reserved bytes
-									memcpy(block0, uid, 4); // Copy UID bytes from byte array
-									// Mifare UID BCC
-									block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; // BCC on byte 5
-									Bytes 5-7 are reserved SAK and ATQA for mifare classic
-							-Use mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER) to write it
-					*/
-					uint8_t oldBlock0[16] = {0}, newBlock0[16] = {0}, testBlock0[16] = {0};
-					// arg0 = Flags == CSETBLOCK_SINGLE_OPER=0x1F, arg1=returnSlot, arg2=blockNo
-					MifareCGetBlock(0x1F, 1, 0, oldBlock0);
-					Dbprintf("UID from target tag: %02X%02X%02X%02X", oldBlock0[0],oldBlock0[1],oldBlock0[2],oldBlock0[3]);
-					memcpy(newBlock0,oldBlock0,16);
-					// Copy uid_1st for bank (2nd is for longer UIDs not supported if classic)
-
-					newBlock0[0] = uid_1st[selected]>>24;
-					newBlock0[1] = 0xFF & (uid_1st[selected]>>16);
-					newBlock0[2] = 0xFF & (uid_1st[selected]>>8);
-					newBlock0[3] = 0xFF & (uid_1st[selected]);
-					newBlock0[4] = newBlock0[0]^newBlock0[1]^newBlock0[2]^newBlock0[3];
-					// arg0 = needWipe, arg1 = workFlags, arg2 = blockNo, datain
-					MifareCSetBlock(0, 0xFF,0, newBlock0);
-					MifareCGetBlock(0x1F, 1, 0, testBlock0);
-					if (memcmp(testBlock0,newBlock0,16)==0)
-					{
-						DbpString("Cloned successfull!");
-						cardRead[selected] = 0; // Only if the card was cloned successfully should we clear it
-					}
-					LEDsoff();
-					LED(selected + 1, 0);
-					// Finished recording
+			// wait for button to be released
+			// Delay cloning until card is in place
+			while(BUTTON_PRESS())
+				WDT_HIT();
 
-					// If we were previously playing, set playing off
-					// so next button push begins playing what we recorded
+			Dbprintf("Starting clone. [Bank: %u]", selected);
+			// need this delay to prevent catching some weird data
+			SpinDelay(500);
+			// Begin clone function here:
+			/* Example from client/mifarehost.c for commanding a block write for "magic Chinese" cards:
+					UsbCommand c = {CMD_MIFARE_CSETBLOCK, {params & (0xFE | (uid == NULL ? 0:1)), blockNo, 0}};
+					memcpy(c.d.asBytes, data, 16);
+					SendCommand(&c);
+
+				Block read is similar:
+					UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, blockNo, 0}};
+				We need to imitate that call with blockNo 0 to set a uid.
+
+				The get and set commands are handled in this file:
+					// Work with "magic Chinese" card
+					case CMD_MIFARE_CSETBLOCK:
+							MifareCSetBlock(c->arg[0], c->arg[1], c->d.asBytes);
+							break;
+					case CMD_MIFARE_CGETBLOCK:
+							MifareCGetBlock(c->arg[0], c->arg[1], c->d.asBytes);
+							break;
+
+				mfCSetUID provides example logic for UID set workflow:
+					-Read block0 from card in field with MifareCGetBlock()
+					-Configure new values without replacing reserved bytes
+							memcpy(block0, uid, 4); // Copy UID bytes from byte array
+							// Mifare UID BCC
+							block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; // BCC on byte 5
+							Bytes 5-7 are reserved SAK and ATQA for mifare classic
+					-Use mfCSetBlock(0, block0, oldUID, wantWipe, MAGIC_SINGLE) to write it
+			*/
+			uint8_t oldBlock0[16] = {0}, newBlock0[16] = {0}, testBlock0[16] = {0};
+			// arg0 = Flags, arg1=blockNo
+			MifareCGetBlock(params, 0, oldBlock0);
+			if (oldBlock0[0] == 0 && oldBlock0[0] == oldBlock0[1]  && oldBlock0[1] == oldBlock0[2] && oldBlock0[2] == oldBlock0[3]) {
+				Dbprintf("No changeable tag detected. Returning to replay mode for bank[%d]", selected);
+				playing = 1;
+			}
+			else {
+				Dbprintf("UID from target tag: %02X%02X%02X%02X", oldBlock0[0],oldBlock0[1],oldBlock0[2],oldBlock0[3]);
+				memcpy(newBlock0,oldBlock0,16);
+				// Copy uid_1st for bank (2nd is for longer UIDs not supported if classic)
+
+				newBlock0[0] = uid_1st[selected]>>24;
+				newBlock0[1] = 0xFF & (uid_1st[selected]>>16);
+				newBlock0[2] = 0xFF & (uid_1st[selected]>>8);
+				newBlock0[3] = 0xFF & (uid_1st[selected]);
+				newBlock0[4] = newBlock0[0]^newBlock0[1]^newBlock0[2]^newBlock0[3];
+
+				// arg0 = workFlags, arg1 = blockNo, datain
+				MifareCSetBlock(params, 0, newBlock0);
+				MifareCGetBlock(params, 0, testBlock0);
+				
+				if (memcmp(testBlock0, newBlock0, 16)==0) {
+					DbpString("Cloned successfull!");
+					cardRead[selected] = 0; // Only if the card was cloned successfully should we clear it
 					playing = 0;
-
+					iGotoRecord = 1;
+					selected = (selected + 1) % OPTS;
+				} else {
+					Dbprintf("Clone failed. Back to replay mode on bank[%d]", selected);
+					playing = 1;
+				}
+			}
+			LEDsoff();
+			LED(selected + 1, 0);
 		}
 		// Change where to record (or begin playing)
-		else if (button_pressed && cardRead[selected])
+		else if (playing==1) // button_pressed == BUTTON_SINGLE_CLICK && cardRead[selected])
 		{
-			// Next option if we were previously playing
-			if (playing)
-				selected = (selected + 1) % OPTS;
-			playing = !playing;
-
 			LEDsoff();
 			LED(selected + 1, 0);
 
@@ -510,19 +573,49 @@ void StandAloneMode14a()
 			{
 				LED(LED_GREEN, 0);
 				DbpString("Playing");
-				while (!BUTTON_HELD(500)) { // Loop simulating tag until the button is held a half-sec
+				for ( ; ; ) {
+					WDT_HIT();
+					int button_action = BUTTON_HELD(1000);
+					if (button_action == 0) { // No button action, proceed with sim
+						uint8_t data[512] = {0}; // in case there is a read command received we shouldn't break
+						uint8_t flags = ( uid_2nd[selected] > 0x00 ) ? FLAG_7B_UID_IN_DATA : FLAG_4B_UID_IN_DATA;
+						num_to_bytes(uid_1st[selected], 3, data);
+						num_to_bytes(uid_2nd[selected], 4, data);
+						
 						Dbprintf("Simulating ISO14443a tag with uid[0]: %08x, uid[1]: %08x [Bank: %u]", uid_1st[selected],uid_2nd[selected],selected);
-						SimulateIso14443aTag(1,uid_1st[selected],uid_2nd[selected],NULL);
+						if (hi14a_card[selected].sak == 8 && hi14a_card[selected].atqa[0] == 4 && hi14a_card[selected].atqa[1] == 0) {
+							DbpString("Mifare Classic");
+							SimulateIso14443aTag(1, flags, data); // Mifare Classic
+						}
+						else if (hi14a_card[selected].sak == 0 && hi14a_card[selected].atqa[0] == 0x44 && hi14a_card[selected].atqa[1] == 0) {
+							DbpString("Mifare Ultralight");
+							SimulateIso14443aTag(2, flags, data); // Mifare Ultralight
+						}
+						else if (hi14a_card[selected].sak == 20 && hi14a_card[selected].atqa[0] == 0x44 && hi14a_card[selected].atqa[1] == 3) {
+							DbpString("Mifare DESFire");
+							SimulateIso14443aTag(3, flags, data); // Mifare DESFire
+						}
+						else {
+							Dbprintf("Unrecognized tag type -- defaulting to Mifare Classic emulation");
+							SimulateIso14443aTag(1, flags, data);
+						}
 					}
-				//cardRead[selected] = 1;
-				Dbprintf("Done playing [Bank: %u]",selected);
+					else if (button_action == BUTTON_SINGLE_CLICK) {
+						selected = (selected + 1) % OPTS;
+						Dbprintf("Done playing. Switching to record mode on bank %d",selected);
+						iGotoRecord = 1;
+						break;
+					}
+					else if (button_action == BUTTON_HOLD) {
+						Dbprintf("Playtime over. Begin cloning...");
+						iGotoClone = 1;
+						break;
+					}
+					WDT_HIT();
+				}
 
 				/* We pressed a button so ignore it here with a delay */
 				SpinDelay(300);
-
-				// when done, we're done playing, move to next option
-				selected = (selected + 1) % OPTS;
-				playing = !playing;
 				LEDsoff();
 				LED(selected + 1, 0);
 			}
@@ -828,7 +921,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			setSamplingConfig((sample_config *) c->d.asBytes);
 			break;
 		case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
-			cmd_send(CMD_ACK,SampleLF(c->arg[0]),0,0,0,0);
+			cmd_send(CMD_ACK, SampleLF(c->arg[0]),0,0,0,0);
 			break;
 		case CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K:
 			ModThenAcquireRawAdcSamples125k(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
@@ -858,7 +951,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			CmdIOdemodFSK(c->arg[0], 0, 0, 1);
 			break;
 		case CMD_IO_CLONE_TAG:
-			CopyIOtoT55x7(c->arg[0], c->arg[1], c->d.asBytes[0]);
+			CopyIOtoT55x7(c->arg[0], c->arg[1]);
 			break;
 		case CMD_EM410X_DEMOD:
 			CmdEM410xdemod(c->arg[0], 0, 0, 1);
@@ -887,18 +980,22 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			CopyIndala224toT55x7(c->d.asDwords[0], c->d.asDwords[1], c->d.asDwords[2], c->d.asDwords[3], c->d.asDwords[4], c->d.asDwords[5], c->d.asDwords[6]);
 			break;
 		case CMD_T55XX_READ_BLOCK:
-			T55xxReadBlock(c->arg[1], c->arg[2],c->d.asBytes[0]);
+			T55xxReadBlock(c->arg[0], c->arg[1], c->arg[2]);
 			break;
 		case CMD_T55XX_WRITE_BLOCK:
 			T55xxWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
-			cmd_send(CMD_ACK,0,0,0,0,0);
 			break;
-		case CMD_T55XX_READ_TRACE:
-			T55xxReadTrace();
+		case CMD_T55XX_WAKEUP:
+			T55xxWakeUp(c->arg[0]);
+			break;
+		case CMD_T55XX_RESET_READ:
+			T55xxResetRead();
 			break;
 		case CMD_PCF7931_READ:
 			ReadPCF7931();
-			cmd_send(CMD_ACK,0,0,0,0,0);
+			break;
+		case CMD_PCF7931_WRITE:
+			WritePCF7931(c->d.asBytes[0],c->d.asBytes[1],c->d.asBytes[2],c->d.asBytes[3],c->d.asBytes[4],c->d.asBytes[5],c->d.asBytes[6], c->d.asBytes[9], c->d.asBytes[7]-128,c->d.asBytes[8]-128, c->arg[0], c->arg[1], c->arg[2]);
 			break;
 		case CMD_EM4X_READ_WORD:
 			EM4xReadWord(c->arg[1], c->arg[2],c->d.asBytes[0]);
@@ -908,7 +1005,12 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			break;
 		case CMD_AWID_DEMOD_FSK: // Set realtime AWID demodulation
 			CmdAWIDdemodFSK(c->arg[0], 0, 0, 1);
-                        break;
+			break;
+        case CMD_VIKING_CLONE_TAG:
+            CopyViKingtoT55x7(c->arg[0],c->arg[1]);
+            break;
+
+    
 #endif
 
 #ifdef WITH_HITAG
@@ -991,7 +1093,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			ReaderIso14443a(c);
 			break;
 		case CMD_SIMULATE_TAG_ISO_14443a:
-			SimulateIso14443aTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);  // ## Simulate iso14443a tag - pass tag type & UID
+			SimulateIso14443aTag(c->arg[0], c->arg[1], c->d.asBytes);  // ## Simulate iso14443a tag - pass tag type & UID
 			break;
 			
 		case CMD_EPA_PACE_COLLECT_NONCE:
@@ -1060,10 +1162,10 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			
 		// Work with "magic Chinese" card
 		case CMD_MIFARE_CSETBLOCK:
-			MifareCSetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			MifareCSetBlock(c->arg[0], c->arg[1], c->d.asBytes);
 			break;
 		case CMD_MIFARE_CGETBLOCK:
-			MifareCGetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			MifareCGetBlock(c->arg[0], c->arg[1], c->d.asBytes);
 			break;
 		case CMD_MIFARE_CIDENT:
 			MifareCIdent();
@@ -1094,7 +1196,6 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			break;
 
 		case CMD_MIFARE_COLLECT_NONCES:
-			MifareCollectNonces(c->arg[0], c->arg[1]);
 			break;
 #endif
 
@@ -1110,11 +1211,34 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			ReaderIClass(c->arg[0]);
 			break;
 		case CMD_READER_ICLASS_REPLAY:
-		        ReaderIClass_Replay(c->arg[0], c->d.asBytes);
+		    ReaderIClass_Replay(c->arg[0], c->d.asBytes);
 			break;
 	case CMD_ICLASS_EML_MEMSET:
 			emlSet(c->d.asBytes,c->arg[0], c->arg[1]);
 			break;
+		case CMD_ICLASS_WRITEBLOCK:
+			iClass_WriteBlock(c->arg[0], c->d.asBytes);
+			break;
+		case CMD_ICLASS_READCHECK:  // auth step 1
+			iClass_ReadCheck(c->arg[0], c->arg[1]);
+			break;
+		case CMD_ICLASS_READBLOCK:
+			iClass_ReadBlk(c->arg[0]);
+			break;
+		case CMD_ICLASS_AUTHENTICATION: //check
+			iClass_Authentication(c->d.asBytes);
+			break;
+		case CMD_ICLASS_DUMP:
+			iClass_Dump(c->arg[0], c->arg[1]);
+			break;
+		case CMD_ICLASS_CLONE:
+			iClass_Clone(c->arg[0], c->arg[1], c->d.asBytes);
+			break;
+#endif
+#ifdef WITH_HFSNOOP
+		case CMD_HF_SNIFFER:
+			HfSnoop(c->arg[0], c->arg[1]);
+			break;
 #endif
 
 		case CMD_BUFF_CLEAR:
@@ -1143,8 +1267,9 @@ void UsbPacketReceived(uint8_t *packet, int len)
 
 			LED_B_ON();
 			uint8_t *BigBuf = BigBuf_get_addr();
+			size_t len = 0;
 			for(size_t i=0; i<c->arg[1]; i += USB_CMD_DATA_SIZE) {
-				size_t len = MIN((c->arg[1] - i),USB_CMD_DATA_SIZE);
+				len = MIN((c->arg[1] - i),USB_CMD_DATA_SIZE);
 				cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,BigBuf_get_traceLen(),BigBuf+c->arg[0]+i,len);
 			}
 			// Trigger a finish downloading signal with an ACK frame
@@ -1197,8 +1322,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
 		case CMD_FINISH_WRITE:
 		case CMD_HARDWARE_RESET:
 			usb_disable();
-			SpinDelay(1000);
-			SpinDelay(1000);
+			SpinDelay(2000);
 			AT91C_BASE_RSTC->RSTC_RCR = RST_CONTROL_KEY | AT91C_RSTC_PROCRST;
 			for(;;) {
 				// We're going to reset, and the bootrom will take control.
@@ -1252,7 +1376,7 @@ void  __attribute__((noreturn)) AppMain(void)
 	AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_PCK0;
 	// PCK0 is PLL clock / 4 = 96Mhz / 4 = 24Mhz
 	AT91C_BASE_PMC->PMC_PCKR[0] = AT91C_PMC_CSS_PLL_CLK |
-		AT91C_PMC_PRES_CLK_4;
+		AT91C_PMC_PRES_CLK_4; //  4 for 24Mhz pck0, 2 for 48 MHZ pck0
 	AT91C_BASE_PIOA->PIO_OER = GPIO_PCK0;
 
 	// Reset SPI
@@ -1270,7 +1394,7 @@ void  __attribute__((noreturn)) AppMain(void)
 	LCDInit();
 #endif
 
-  byte_t rx[sizeof(UsbCommand)];
+	byte_t rx[sizeof(UsbCommand)];
 	size_t rx_len;
   
 	for(;;) {