X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f7e3ed82874bfd8951c90536bd7185d599d6dbf8..b969713989de2ce3018c06fc86c4bf41a1297ddc:/armsrc/appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index c2ea9f7d..b5a85deb 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -1,28 +1,33 @@
 //-----------------------------------------------------------------------------
-// The main application code. This is the first thing called after start.c
-// executes.
 // Jonathan Westhues, Mar 2006
 // Edits by Gerhard de Koning Gans, Sep 2007 (##)
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// The main application code. This is the first thing called after start.c
+// executes.
 //-----------------------------------------------------------------------------
 
+#include "usb_cdc.h"
+#include "cmd.h"
+
 #include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
+#include "printf.h"
+#include "string.h"
+
+#include <stdarg.h>
 
 #include "legicrf.h"
+#include <hitag2.h>
 
 #ifdef WITH_LCD
-# include "fonts.h"
-# include "LCD.h"
+ #include "LCD.h"
 #endif
 
-#define va_list __builtin_va_list
-#define va_start __builtin_va_start
-#define va_arg __builtin_va_arg
-#define va_end __builtin_va_end
-int kvsprintf(char const *fmt, void *arg, int radix, va_list ap);
-
-
 #define abs(x) ( ((x)<0) ? -(x) : (x) )
 
 //=============================================================================
@@ -74,39 +79,42 @@ void ToSendStuffBit(int b)
 
 void DbpString(char *str)
 {
-	/* this holds up stuff unless we're connected to usb */
-	if (!UsbConnected())
-		return;
-
-	UsbCommand c;
-	c.cmd = CMD_DEBUG_PRINT_STRING;
-	c.arg[0] = strlen(str);
-	if(c.arg[0] > sizeof(c.d.asBytes)) {
-		c.arg[0] = sizeof(c.d.asBytes);
-	}
-	memcpy(c.d.asBytes, str, c.arg[0]);
-
-	UsbSendPacket((uint8_t *)&c, sizeof(c));
-	// TODO fix USB so stupid things like this aren't req'd
-	SpinDelay(50);
+  byte_t len = strlen(str);
+  cmd_send(CMD_DEBUG_PRINT_STRING,len,0,0,(byte_t*)str,len);
+//	/* this holds up stuff unless we're connected to usb */
+//	if (!UsbConnected())
+//		return;
+//
+//	UsbCommand c;
+//	c.cmd = CMD_DEBUG_PRINT_STRING;
+//	c.arg[0] = strlen(str);
+//	if(c.arg[0] > sizeof(c.d.asBytes)) {
+//		c.arg[0] = sizeof(c.d.asBytes);
+//	}
+//	memcpy(c.d.asBytes, str, c.arg[0]);
+//
+//	UsbSendPacket((uint8_t *)&c, sizeof(c));
+//	// TODO fix USB so stupid things like this aren't req'd
+//	SpinDelay(50);
 }
 
 #if 0
 void DbpIntegers(int x1, int x2, int x3)
 {
-	/* this holds up stuff unless we're connected to usb */
-	if (!UsbConnected())
-		return;
-
-	UsbCommand c;
-	c.cmd = CMD_DEBUG_PRINT_INTEGERS;
-	c.arg[0] = x1;
-	c.arg[1] = x2;
-	c.arg[2] = x3;
-
-	UsbSendPacket((uint8_t *)&c, sizeof(c));
-	// XXX
-	SpinDelay(50);
+  cmd_send(CMD_DEBUG_PRINT_INTEGERS,x1,x2,x3,0,0);
+//	/* this holds up stuff unless we're connected to usb */
+//	if (!UsbConnected())
+//		return;
+//
+//	UsbCommand c;
+//	c.cmd = CMD_DEBUG_PRINT_INTEGERS;
+//	c.arg[0] = x1;
+//	c.arg[1] = x2;
+//	c.arg[2] = x3;
+//
+//	UsbSendPacket((uint8_t *)&c, sizeof(c));
+//	// XXX
+//	SpinDelay(50);
 }
 #endif
 
@@ -122,6 +130,33 @@ void Dbprintf(const char *fmt, ...) {
 	DbpString(output_string);
 }
 
+// prints HEX & ASCII
+void Dbhexdump(int len, uint8_t *d, bool bAsci) {
+	int l=0,i;
+	char ascii[9];
+    
+	while (len>0) {
+		if (len>8) l=8;
+		else l=len;
+		
+		memcpy(ascii,d,l);
+		ascii[l]=0;
+		
+		// filter safe ascii
+		for (i=0;i<l;i++)
+			if (ascii[i]<32 || ascii[i]>126) ascii[i]='.';
+        
+		if (bAsci) {
+			Dbprintf("%-8s %*D",ascii,l,d," ");
+		} else {
+			Dbprintf("%*D",l,d," ");
+		}
+        
+		len-=8;
+		d+=8;		
+	}
+}
+
 //-----------------------------------------------------------------------------
 // Read an ADC channel and block till it completes, then return the result
 // in ADC units (0 to 1023). Also a routine to average 32 samples and
@@ -146,7 +181,7 @@ static int ReadAdc(int ch)
 	return d;
 }
 
-static int AvgAdc(int ch)
+int AvgAdc(int ch) // was static - merlok
 {
 	int i;
 	int a = 0;
@@ -160,14 +195,15 @@ static int AvgAdc(int ch)
 
 void MeasureAntennaTuning(void)
 {
-	uint8_t *dest = (uint8_t *)BigBuf;
-	int i, ptr = 0, adcval = 0, peak = 0, peakv = 0, peakf = 0;;
+	uint8_t *dest = (uint8_t *)BigBuf+FREE_BUFFER_OFFSET;
+	int i, adcval = 0, peak = 0, peakv = 0, peakf = 0; //ptr = 0 
 	int vLf125 = 0, vLf134 = 0, vHf = 0;	// in mV
 
-	UsbCommand c;
+//	UsbCommand c;
 
-	DbpString("Measuring antenna characteristics, please wait.");
-	memset(BigBuf,0,sizeof(BigBuf));
+  LED_B_ON();
+	DbpString("Measuring antenna characteristics, please wait...");
+	memset(dest,0,sizeof(FREE_BUFFER_SIZE));
 
 /*
  * Sweeps the useful LF range of the proxmark from
@@ -177,8 +213,10 @@ void MeasureAntennaTuning(void)
  * the resonating frequency of your LF antenna
  * ( hopefully around 95 if it is tuned to 125kHz!)
  */
+  
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
 	for (i=255; i>19; i--) {
+    WDT_HIT();
 		FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
 		SpinDelay(20);
 		// Vref = 3.3V, and a 10000:240 voltage divider on the input
@@ -192,10 +230,11 @@ void MeasureAntennaTuning(void)
 			peakv = adcval;
 			peak = dest[i];
 			peakf = i;
-			ptr = i;
+			//ptr = i;
 		}
 	}
 
+  LED_A_ON();
 	// Let the FPGA drive the high-frequency antenna around 13.56 MHz.
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
 	SpinDelay(20);
@@ -203,11 +242,18 @@ void MeasureAntennaTuning(void)
 	// can measure voltages up to 33000 mV
 	vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10;
 
-	c.cmd = CMD_MEASURED_ANTENNA_TUNING;
-	c.arg[0] = (vLf125 << 0) | (vLf134 << 16);
-	c.arg[1] = vHf;
-	c.arg[2] = peakf | (peakv << 16);
-	UsbSendPacket((uint8_t *)&c, sizeof(c));
+//	c.cmd = CMD_MEASURED_ANTENNA_TUNING;
+//	c.arg[0] = (vLf125 << 0) | (vLf134 << 16);
+//	c.arg[1] = vHf;
+//	c.arg[2] = peakf | (peakv << 16);
+
+  DbpString("Measuring complete, sending report back to host");
+  cmd_send(CMD_MEASURED_ANTENNA_TUNING,vLf125|(vLf134<<16),vHf,peakf|(peakv<<16),0,0);
+//	UsbSendPacket((uint8_t *)&c, sizeof(c));
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+  LED_A_OFF();
+  LED_B_OFF();
+  return;
 }
 
 void MeasureAntennaTuningHf(void)
@@ -233,8 +279,7 @@ void MeasureAntennaTuningHf(void)
 
 void SimulateTagHfListen(void)
 {
-	uint8_t *dest = (uint8_t *)BigBuf;
-	int n = sizeof(BigBuf);
+	uint8_t *dest = (uint8_t *)BigBuf+FREE_BUFFER_OFFSET;
 	uint8_t v = 0;
 	int i;
 	int p = 0;
@@ -268,7 +313,7 @@ void SimulateTagHfListen(void)
 				p = 0;
 				i++;
 
-				if(i >= n) {
+				if(i >= FREE_BUFFER_SIZE) {
 					break;
 				}
 			}
@@ -311,6 +356,8 @@ void SendVersion(void)
 
 	FpgaGatherVersion(temp, sizeof(temp));
 	DbpString(temp);
+	// Send Chip ID
+	cmd_send(CMD_ACK,*(AT91C_DBGU_CIDR),0,0,NULL,0);
 }
 
 #ifdef WITH_LF
@@ -343,8 +390,9 @@ void SamyRun()
 
 	for (;;)
 	{
-		UsbPoll(FALSE);
-		WDT_HIT();
+//		UsbPoll(FALSE);
+		usb_poll();
+    WDT_HIT();
 
 		// Was our button held down or pressed?
 		int button_pressed = BUTTON_HELD(1000);
@@ -573,46 +621,123 @@ void ListenReaderField(int limit)
 void UsbPacketReceived(uint8_t *packet, int len)
 {
 	UsbCommand *c = (UsbCommand *)packet;
-	UsbCommand ack;
-	ack.cmd = CMD_ACK;
 
+//  Dbprintf("received %d bytes, with command: 0x%04x and args: %d %d %d",len,c->cmd,c->arg[0],c->arg[1],c->arg[2]);
+  
 	switch(c->cmd) {
 #ifdef WITH_LF
 		case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
 			AcquireRawAdcSamples125k(c->arg[0]);
-			UsbSendPacket((uint8_t*)&ack, sizeof(ack));
+			cmd_send(CMD_ACK,0,0,0,0,0);
 			break;
-#endif
-
-#ifdef WITH_LF
 		case CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K:
 			ModThenAcquireRawAdcSamples125k(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
 			break;
+		case CMD_HID_DEMOD_FSK:
+			CmdHIDdemodFSK(0, 0, 0, 1);					// Demodulate HID tag
+			break;
+		case CMD_HID_SIM_TAG:
+			CmdHIDsimTAG(c->arg[0], c->arg[1], 1);					// Simulate HID tag by ID
+			break;
+    case CMD_HID_CLONE_TAG: // Clone HID tag by ID to T55x7
+			CopyHIDtoT55x7(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
+			break;
+		case CMD_EM410X_WRITE_TAG:
+			WriteEM410x(c->arg[0], c->arg[1], c->arg[2]);
+			break;
+		case CMD_READ_TI_TYPE:
+			ReadTItag();
+			break;
+		case CMD_WRITE_TI_TYPE:
+			WriteTItag(c->arg[0],c->arg[1],c->arg[2]);
+			break;
+		case CMD_SIMULATE_TAG_125K:
+			LED_A_ON();
+			SimulateTagLowFrequency(c->arg[0], c->arg[1], 1);
+			LED_A_OFF();
+			break;
+		case CMD_LF_SIMULATE_BIDIR:
+			SimulateTagLowFrequencyBidir(c->arg[0], c->arg[1]);
+			break;
+		case CMD_INDALA_CLONE_TAG:					// Clone Indala 64-bit tag by UID to T55x7
+			CopyIndala64toT55x7(c->arg[0], c->arg[1]);					
+			break;
+		case CMD_INDALA_CLONE_TAG_L:					// Clone Indala 224-bit tag by UID to T55x7
+			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]);
+			break;
+		case CMD_T55XX_WRITE_BLOCK:
+			T55xxWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
+			break;
+		case CMD_T55XX_READ_TRACE: // Clone HID tag by ID to T55x7
+			T55xxReadTrace();
+			break;
+		case CMD_PCF7931_READ: // Read PCF7931 tag
+			ReadPCF7931();
+			cmd_send(CMD_ACK,0,0,0,0,0);
+//      	UsbSendPacket((uint8_t*)&ack, sizeof(ack));
+			break;
+		case CMD_EM4X_READ_WORD:
+			EM4xReadWord(c->arg[1], c->arg[2],c->d.asBytes[0]);
+			break;
+		case CMD_EM4X_WRITE_WORD:
+			EM4xWriteWord(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
+			break;
 #endif
 
+#ifdef WITH_HITAG
+		case CMD_SNOOP_HITAG: // Eavesdrop Hitag tag, args = type
+			SnoopHitag(c->arg[0]);
+			break;
+		case CMD_SIMULATE_HITAG: // Simulate Hitag tag, args = memory content
+			SimulateHitagTag((bool)c->arg[0],(byte_t*)c->d.asBytes);
+			break;
+		case CMD_READER_HITAG: // Reader for Hitag tags, args = type and function
+			ReaderHitag((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes);
+			break;
+#endif
+            
 #ifdef WITH_ISO15693
 		case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_15693:
 			AcquireRawAdcSamplesIso15693();
 			break;
-#endif
-
-		case CMD_BUFF_CLEAR:
-			BufferClear();
+		case CMD_RECORD_RAW_ADC_SAMPLES_ISO_15693:
+			RecordRawAdcSamplesIso15693();
+			break;
+			
+		case CMD_ISO_15693_COMMAND:
+			DirectTag15693Command(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
+			break;
+					
+		case CMD_ISO_15693_FIND_AFI:
+			BruteforceIso15693Afi(c->arg[0]);
+			break;	
+			
+		case CMD_ISO_15693_DEBUG:
+			SetDebugIso15693(c->arg[0]);
 			break;
 
-#ifdef WITH_ISO15693
 		case CMD_READER_ISO_15693:
 			ReaderIso15693(c->arg[0]);
 			break;
+		case CMD_SIMTAG_ISO_15693:
+			SimTagIso15693(c->arg[0]);
+			break;
 #endif
 
-		case CMD_READER_LEGIC_RF:
-			LegicRfReader(c->arg[0], c->arg[1]);
+#ifdef WITH_LEGICRF
+		case CMD_SIMULATE_TAG_LEGIC_RF:
+			LegicRfSimulate(c->arg[0], c->arg[1], c->arg[2]);
 			break;
 
-#ifdef WITH_ISO15693
-		case CMD_SIMTAG_ISO_15693:
-			SimTagIso15693(c->arg[0]);
+		case CMD_WRITER_LEGIC_RF:
+			LegicRfWriter(c->arg[1], c->arg[0]);
+			break;
+
+		case CMD_READER_LEGIC_RF:
+			LegicRfReader(c->arg[0], c->arg[1]);
 			break;
 #endif
 
@@ -620,38 +745,100 @@ void UsbPacketReceived(uint8_t *packet, int len)
 		case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_14443:
 			AcquireRawAdcSamplesIso14443(c->arg[0]);
 			break;
-#endif
-
-#ifdef WITH_ISO14443b
 		case CMD_READ_SRI512_TAG:
-			ReadSRI512Iso14443(c->arg[0]);
+			ReadSTMemoryIso14443(0x0F);
+			break;
+		case CMD_READ_SRIX4K_TAG:
+			ReadSTMemoryIso14443(0x7F);
+			break;
+		case CMD_SNOOP_ISO_14443:
+			SnoopIso14443();
+			break;
+		case CMD_SIMULATE_TAG_ISO_14443:
+			SimulateIso14443Tag();
+			break;
+		case CMD_ISO_14443B_COMMAND:
+			SendRawCommand14443B(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
 			break;
-               case CMD_READ_SRIX4K_TAG:
-                       ReadSRIX4KIso14443(c->arg[0]);
-                       break;
 #endif
 
 #ifdef WITH_ISO14443a
+		case CMD_SNOOP_ISO_14443a:
+			SnoopIso14443a(c->arg[0]);
+			break;
 		case CMD_READER_ISO_14443a:
-			ReaderIso14443a(c->arg[0]);
+			ReaderIso14443a(c);
 			break;
-#endif
-
-#ifdef WITH_ISO14443a
+		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
+			break;
+		case CMD_EPA_PACE_COLLECT_NONCE:
+			EPA_PACE_Collect_Nonce(c);
+			break;
+			
 		case CMD_READER_MIFARE:
-			ReaderMifare(c->arg[0]);
+            ReaderMifare(c->arg[0]);
 			break;
-#endif
-
-#ifdef WITH_ISO14443b
-		case CMD_SNOOP_ISO_14443:
-			SnoopIso14443();
+		case CMD_MIFARE_READBL:
+			MifareReadBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		case CMD_MIFARE_READSC:
+			MifareReadSector(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		case CMD_MIFARE_WRITEBL:
+			MifareWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		case CMD_MIFARE_NESTED:
+			MifareNested(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		case CMD_MIFARE_CHKKEYS:
+			MifareChkKeys(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		case CMD_SIMULATE_MIFARE_CARD:
+			Mifare1ksim(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		
+		// emulator
+		case CMD_MIFARE_SET_DBGMODE:
+			MifareSetDbgLvl(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		case CMD_MIFARE_EML_MEMCLR:
+			MifareEMemClr(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		case CMD_MIFARE_EML_MEMSET:
+			MifareEMemSet(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		case CMD_MIFARE_EML_MEMGET:
+			MifareEMemGet(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		case CMD_MIFARE_EML_CARDLOAD:
+			MifareECardLoad(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+			
+		// Work with "magic Chinese" card
+		case CMD_MIFARE_EML_CSETBLOCK:
+			MifareCSetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+		case CMD_MIFARE_EML_CGETBLOCK:
+			MifareCGetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+			break;
+			
+		// mifare sniffer
+		case CMD_MIFARE_SNIFFER:
+			SniffMifare(c->arg[0]);
 			break;
 #endif
 
-#ifdef WITH_ISO14443a
-		case CMD_SNOOP_ISO_14443a:
-			SnoopIso14443a();
+#ifdef WITH_ICLASS
+		// Makes use of ISO14443a FPGA Firmware
+		case CMD_SNOOP_ICLASS:
+			SnoopIClass();
+			break;
+		case CMD_SIMULATE_TAG_ICLASS:
+			SimulateIClass(c->arg[0], c->d.asBytes);
+			break;
+		case CMD_READER_ICLASS:
+			ReaderIClass(c->arg[0]);
 			break;
 #endif
 
@@ -659,17 +846,9 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			SimulateTagHfListen();
 			break;
 
-#ifdef WITH_ISO14443b
-		case CMD_SIMULATE_TAG_ISO_14443:
-			SimulateIso14443Tag();
-			break;
-#endif
-
-#ifdef WITH_ISO14443a
-		case CMD_SIMULATE_TAG_ISO_14443a:
-			SimulateIso14443aTag(c->arg[0], c->arg[1]);  // ## Simulate iso14443a tag - pass tag type & UID
+		case CMD_BUFF_CLEAR:
+			BufferClear();
 			break;
-#endif
 
 		case CMD_MEASURE_ANTENNA_TUNING:
 			MeasureAntennaTuning();
@@ -683,65 +862,44 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			ListenReaderField(c->arg[0]);
 			break;
 
-#ifdef WITH_LF
-		case CMD_HID_DEMOD_FSK:
-			CmdHIDdemodFSK(0, 0, 0, 1);				// Demodulate HID tag
-			break;
-#endif
-
-#ifdef WITH_LF
-		case CMD_HID_SIM_TAG:
-			CmdHIDsimTAG(c->arg[0], c->arg[1], 1);					// Simulate HID tag by ID
-			break;
-#endif
-
 		case CMD_FPGA_MAJOR_MODE_OFF:		// ## FPGA Control
 			FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 			SpinDelay(200);
 			LED_D_OFF(); // LED D indicates field ON or OFF
 			break;
 
-#ifdef WITH_LF
-		case CMD_READ_TI_TYPE:
-			ReadTItag();
-			break;
-#endif
-
-#ifdef WITH_LF
-		case CMD_WRITE_TI_TYPE:
-			WriteTItag(c->arg[0],c->arg[1],c->arg[2]);
-			break;
-#endif
-
-		case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: {
-			UsbCommand n;
-			if(c->cmd == CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K) {
-				n.cmd = CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K;
-			} else {
-				n.cmd = CMD_DOWNLOADED_RAW_BITS_TI_TYPE;
+		case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K:
+//			UsbCommand n;
+//			if(c->cmd == CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K) {
+//				n.cmd = CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K;
+//			} else {
+//				n.cmd = CMD_DOWNLOADED_RAW_BITS_TI_TYPE;
+//			}
+//			n.arg[0] = c->arg[0];
+      //			memcpy(n.d.asBytes, BigBuf+c->arg[0], 48); // 12*sizeof(uint32_t)
+      //			LED_B_ON();
+      //      usb_write((uint8_t *)&n, sizeof(n));
+      //			UsbSendPacket((uint8_t *)&n, sizeof(n));
+      //			LED_B_OFF();
+
+			LED_B_ON();
+			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);
+				cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,0,((byte_t*)BigBuf)+c->arg[0]+i,len);
 			}
-			n.arg[0] = c->arg[0];
-			memcpy(n.d.asDwords, BigBuf+c->arg[0], 12*sizeof(uint32_t));
-			UsbSendPacket((uint8_t *)&n, sizeof(n));
+			// Trigger a finish downloading signal with an ACK frame
+			cmd_send(CMD_ACK,0,0,0,0,0);
+			LED_B_OFF();
 			break;
-		}
 
 		case CMD_DOWNLOADED_SIM_SAMPLES_125K: {
 			uint8_t *b = (uint8_t *)BigBuf;
 			memcpy(b+c->arg[0], c->d.asBytes, 48);
 			//Dbprintf("copied 48 bytes to %i",b+c->arg[0]);
-			UsbSendPacket((uint8_t*)&ack, sizeof(ack));
-			break;
-		}
-
-#ifdef WITH_LF
-		case CMD_SIMULATE_TAG_125K:
-			LED_A_ON();
-			SimulateTagLowFrequency(c->arg[0], c->arg[1], 1);
-			LED_A_OFF();
+//			UsbSendPacket((uint8_t*)&ack, sizeof(ack));
+			cmd_send(CMD_ACK,0,0,0,0,0);
 			break;
-#endif
-
+		}	
 		case CMD_READ_MEM:
 			ReadMem(c->arg[0]);
 			break;
@@ -763,12 +921,6 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			SendVersion();
 			break;
 
-#ifdef WITH_LF
-		case CMD_LF_SIMULATE_BIDIR:
-			SimulateTagLowFrequencyBidir(c->arg[0], c->arg[1]);
-			break;
-#endif
-
 #ifdef WITH_LCD
 		case CMD_LCD_RESET:
 			LCDReset();
@@ -780,7 +932,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
 		case CMD_SETUP_WRITE:
 		case CMD_FINISH_WRITE:
 		case CMD_HARDWARE_RESET:
-			USB_D_PLUS_PULLUP_OFF();
+			usb_disable();
 			SpinDelay(1000);
 			SpinDelay(1000);
 			AT91C_BASE_RSTC->RSTC_RCR = RST_CONTROL_KEY | AT91C_RSTC_PROCRST;
@@ -793,19 +945,18 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			if(common_area.flags.bootrom_present) {
 				common_area.command = COMMON_AREA_COMMAND_ENTER_FLASH_MODE;
 			}
-			USB_D_PLUS_PULLUP_OFF();
+			usb_disable();
 			AT91C_BASE_RSTC->RSTC_RCR = RST_CONTROL_KEY | AT91C_RSTC_PROCRST;
 			for(;;);
 			break;
 
 		case CMD_DEVICE_INFO: {
-			UsbCommand c;
-			c.cmd = CMD_DEVICE_INFO;
-			c.arg[0] = DEVICE_INFO_FLAG_OSIMAGE_PRESENT | DEVICE_INFO_FLAG_CURRENT_MODE_OS;
-			if(common_area.flags.bootrom_present) c.arg[0] |= DEVICE_INFO_FLAG_BOOTROM_PRESENT;
-			UsbSendPacket((uint8_t*)&c, sizeof(c));
-		}
+			uint32_t dev_info = DEVICE_INFO_FLAG_OSIMAGE_PRESENT | DEVICE_INFO_FLAG_CURRENT_MODE_OS;
+			if(common_area.flags.bootrom_present) dev_info |= DEVICE_INFO_FLAG_BOOTROM_PRESENT;
+//			UsbSendPacket((uint8_t*)&c, sizeof(c));
+			cmd_send(CMD_DEVICE_INFO,dev_info,0,0,0,0);	
 			break;
+		}
 		default:
 			Dbprintf("%s: 0x%04x","unknown command:",c->cmd);
 			break;
@@ -829,7 +980,9 @@ void  __attribute__((noreturn)) AppMain(void)
 	LED_B_OFF();
 	LED_A_OFF();
 
-	UsbStart();
+  // Init USB device`
+  usb_enable();
+//	UsbStart();
 
 	// The FPGA gets its clock from us from PCK0 output, so set that up.
 	AT91C_BASE_PIOA->PIO_BSR = GPIO_PCK0;
@@ -848,34 +1001,24 @@ void  __attribute__((noreturn)) AppMain(void)
 	// Load the FPGA image, which we have stored in our flash.
 	FpgaDownloadAndGo();
 
+	StartTickCount();
+  	
 #ifdef WITH_LCD
-
 	LCDInit();
-
-	// test text on different colored backgrounds
-	LCDString(" The quick brown fox  ",	(char *)&FONT6x8,1,1+8*0,WHITE  ,BLACK );
-	LCDString("  jumped over the     ",	(char *)&FONT6x8,1,1+8*1,BLACK  ,WHITE );
-	LCDString("     lazy dog.        ",	(char *)&FONT6x8,1,1+8*2,YELLOW ,RED   );
-	LCDString(" AaBbCcDdEeFfGgHhIiJj ",	(char *)&FONT6x8,1,1+8*3,RED    ,GREEN );
-	LCDString(" KkLlMmNnOoPpQqRrSsTt ",	(char *)&FONT6x8,1,1+8*4,MAGENTA,BLUE  );
-	LCDString("UuVvWwXxYyZz0123456789",	(char *)&FONT6x8,1,1+8*5,BLUE   ,YELLOW);
-	LCDString("`-=[]_;',./~!@#$%^&*()",	(char *)&FONT6x8,1,1+8*6,BLACK  ,CYAN  );
-	LCDString("     _+{}|:\\\"<>?     ",(char *)&FONT6x8,1,1+8*7,BLUE  ,MAGENTA);
-
-	// color bands
-	LCDFill(0, 1+8* 8, 132, 8, BLACK);
-	LCDFill(0, 1+8* 9, 132, 8, WHITE);
-	LCDFill(0, 1+8*10, 132, 8, RED);
-	LCDFill(0, 1+8*11, 132, 8, GREEN);
-	LCDFill(0, 1+8*12, 132, 8, BLUE);
-	LCDFill(0, 1+8*13, 132, 8, YELLOW);
-	LCDFill(0, 1+8*14, 132, 8, CYAN);
-	LCDFill(0, 1+8*15, 132, 8, MAGENTA);
-
 #endif
 
+  byte_t rx[sizeof(UsbCommand)];
+	size_t rx_len;
+  
 	for(;;) {
-		UsbPoll(FALSE);
+    if (usb_poll()) {
+      rx_len = usb_read(rx,sizeof(UsbCommand));
+      if (rx_len) {
+        UsbPacketReceived(rx,rx_len);
+      }
+    }
+//		UsbPoll(FALSE);
+
 		WDT_HIT();
 
 #ifdef WITH_LF