]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/appmain.c
add: added @AdamLaurie 's iclass raw keys changes
[proxmark3-svn] / armsrc / appmain.c
index 8965bc646c288bf71ff2707f0abaf54162583ec5..4cbf5acdc1ed11ab7d5afd53b66439f42f9d7eeb 100644 (file)
 #include <hitag2.h>
 #include "lfsampling.h"
 #include "BigBuf.h"
+#include "mifareutil.h"
+#include "pcf7931.h"
 #ifdef WITH_LCD
  #include "LCD.h"
 #endif
 
+// Craig Young - 14a stand-alone code
+#ifdef WITH_ISO14443a_StandAlone
+ #include "iso14443a.h"
+ #include "protocols.h"
+#endif
+
 #define abs(x) ( ((x)<0) ? -(x) : (x) )
 
 //=============================================================================
@@ -39,7 +47,7 @@
 
 #define TOSEND_BUFFER_SIZE (9*MAX_FRAME_SIZE + 1 + 1 + 2)  // 8 data bits and 1 parity bit per payload byte, 1 correction bit, 1 SOC bit, 2 EOC bits 
 uint8_t ToSend[TOSEND_BUFFER_SIZE];
-int ToSendMax;
+int ToSendMax = 0;
 static int ToSendBit;
 struct common_area common_area __attribute__((section(".commonarea")));
 
@@ -180,7 +188,7 @@ void MeasureAntennaTuning(void)
        int i, adcval = 0, peak = 0, peakv = 0, peakf = 0; //ptr = 0 
        int vLf125 = 0, vLf134 = 0, vHf = 0;    // in mV
 
-  LED_B_ON();
+       LED_B_ON();
 
 /*
  * Sweeps the useful LF range of the proxmark from
@@ -212,17 +220,17 @@ void MeasureAntennaTuning(void)
 
        for (i=18; i >= 0; i--) LF_Results[i] = 0;
        
-  LED_A_ON();
+       LED_A_ON();
        // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
-       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(20);
        vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
 
        cmd_send(CMD_MEASURED_ANTENNA_TUNING, vLf125 | (vLf134<<16), vHf, peakf | (peakv<<16), LF_Results, 256);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-  LED_A_OFF();
-  LED_B_OFF();
+       LED_A_OFF();
+       LED_B_OFF();
   return;
 }
 
@@ -293,18 +301,60 @@ void SendVersion(void)
        cmd_send(CMD_ACK, *(AT91C_DBGU_CIDR), text_and_rodata_section_size + compressed_data_section_size, 0, VersionString, strlen(VersionString));
 }
 
-#ifdef WITH_LF
-// samy's sniff and repeat routine
-void SamyRun()
+// 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) 
 {
-       DbpString("Stand-alone mode! No PC necessary.");
-       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+       Dbprintf("USB Speed:");
+       Dbprintf("  Sending USB packets to client...");
 
-       // 3 possible options? no just 2 for now
-#define OPTS 2
+       #define USB_SPEED_TEST_MIN_TIME 1500    // in milliseconds
+       uint8_t *test_data = BigBuf_get_addr();
+       uint32_t end_time;
 
-       int high[OPTS], low[OPTS];
+       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.
+**/
+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("  ToSend BUFFERSIZE..%d", TOSEND_BUFFER_SIZE);
+
+       cmd_send(CMD_ACK,1,0,0,0,0);
+}
+
+#if defined(WITH_ISO14443a_StandAlone) || defined(WITH_LF)
+
+#define OPTS 2
 
+void StandAloneMode()
+{
+       DbpString("Stand-alone mode! No PC necessary.");
        // Oooh pretty -- notify user we're in elite samy mode now
        LED(LED_RED,    200);
        LED(LED_ORANGE, 200);
@@ -316,6 +366,273 @@ void SamyRun()
        LED(LED_ORANGE, 200);
        LED(LED_RED,    200);
 
+}
+
+#endif
+
+
+
+#ifdef WITH_ISO14443a_StandAlone
+void StandAloneMode14a()
+{
+       StandAloneMode();
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+
+       int selected = 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();
+               SpinDelay(300);
+
+               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);
+                       /* need this delay to prevent catching some weird data */
+                       SpinDelay(500);
+                       /* Code for reading from 14a tag */
+                       uint8_t uid[10]  ={0};
+                       uint32_t cuid;
+                       iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD);
+
+                       for ( ; ; )
+                       {
+                               WDT_HIT();
+                               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, true, 0))
+                                       continue;
+                               else
+                               {
+                                       Dbprintf("Read UID:"); Dbhexdump(10,uid,0);
+                                       memcpy(readUID,uid,10*sizeof(uint8_t));
+                                       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_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);
+                       LED(LED_GREEN,  200);
+                       LED(LED_ORANGE, 200);
+
+                       LEDsoff();
+                       LED(selected + 1, 0);
+
+                       // Next state is replay:
+                       playing = 1;
+
+                       cardRead[selected] = 1;
+               }
+               /* MF Classic UID clone */
+               else if (iGotoClone==1)
+               {
+                       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]);
+
+                       // wait for button to be released
+                       // Delay cloning until card is in place
+                       while(BUTTON_PRESS())
+                               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, {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 (playing==1) // button_pressed == BUTTON_SINGLE_CLICK && cardRead[selected])
+               {
+                       LEDsoff();
+                       LED(selected + 1, 0);
+
+                       // Begin transmitting
+                       if (playing)
+                       {
+                               LED(LED_GREEN, 0);
+                               DbpString("Playing");
+                               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);
+                                               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);
+                                               }
+                                       }
+                                       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);
+                               LEDsoff();
+                               LED(selected + 1, 0);
+                       }
+                       else
+                               while(BUTTON_PRESS())
+                                       WDT_HIT();
+               }
+       }
+}
+#elif WITH_LF
+// samy's sniff and repeat routine
+void SamyRun()
+{
+       StandAloneMode();
+       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
+       int high[OPTS], low[OPTS];
        int selected = 0;
        int playing = 0;
        int cardRead = 0;
@@ -439,8 +756,8 @@ void SamyRun()
                }
        }
 }
-#endif
 
+#endif
 /*
 OBJECTIVE
 Listen and detect an external reader. Determine the best location
@@ -604,7 +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);
@@ -634,7 +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);
@@ -663,17 +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]);
                        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]);
@@ -681,6 +1003,12 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_EM4X_WRITE_WORD:
                        EM4xWriteWord(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
                        break;
+               case CMD_AWID_DEMOD_FSK: // Set realtime AWID demodulation
+                       CmdAWIDdemodFSK(c->arg[0], 0, 0, 1);
+                       break;
+        case CMD_VIKING_CLONE_TAG:
+                       CopyVikingtoT55xx(c->arg[0], c->arg[1], c->arg[2]);
+            break;
 #endif
 
 #ifdef WITH_HITAG
@@ -763,7 +1091,7 @@ 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:
@@ -803,6 +1131,9 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_MIFAREU_WRITEBL:
                        MifareUWriteBlock(c->arg[0], c->arg[1], c->d.asBytes);
                        break;
+               case CMD_MIFARE_ACQUIRE_ENCRYPTED_NONCES:
+                       MifareAcquireEncryptedNonces(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;
@@ -832,10 +1163,10 @@ 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();
@@ -866,7 +1197,6 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        break;
 
                case CMD_MIFARE_COLLECT_NONCES:
-                       MifareCollectNonces(c->arg[0], c->arg[1]);
                        break;
 #endif
 
@@ -882,11 +1212,34 @@ 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:
@@ -915,8 +1268,9 @@ 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
@@ -951,7 +1305,12 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_VERSION:
                        SendVersion();
                        break;
-
+               case CMD_STATUS:
+                       SendStatus();
+                       break;
+               case CMD_PING:
+                       cmd_send(CMD_ACK,0,0,0,0,0);
+                       break;
 #ifdef WITH_LCD
                case CMD_LCD_RESET:
                        LCDReset();
@@ -964,8 +1323,7 @@ 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.
@@ -1019,7 +1377,7 @@ 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
@@ -1037,7 +1395,7 @@ void  __attribute__((noreturn)) AppMain(void)
        LCDInit();
 #endif
 
-  byte_t rx[sizeof(UsbCommand)];
+       byte_t rx[sizeof(UsbCommand)];
        size_t rx_len;
   
        for(;;) {
@@ -1050,8 +1408,16 @@ void  __attribute__((noreturn)) AppMain(void)
                WDT_HIT();
 
 #ifdef WITH_LF
+#ifndef WITH_ISO14443a_StandAlone
                if (BUTTON_HELD(1000) > 0)
                        SamyRun();
+#endif
+#endif
+#ifdef WITH_ISO14443a
+#ifdef WITH_ISO14443a_StandAlone
+               if (BUTTON_HELD(1000) > 0)
+                       StandAloneMode14a();
+#endif
 #endif
        }
 }
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