]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/iso14443a.c
Merge branch 'master' of https://github.com/Proxmark/proxmark3
[proxmark3-svn] / armsrc / iso14443a.c
index 83907fce18b72c9b5407949c460b5e85d16a593a..d648beee338f293b08c45bc9db62d2bf5f019d75 100644 (file)
 // Routines to support ISO 14443 type A.
 //-----------------------------------------------------------------------------
 
 // Routines to support ISO 14443 type A.
 //-----------------------------------------------------------------------------
 
+#include "iso14443a.h"
+
 #include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "string.h"
 #include "cmd.h"
 #include "iso14443crc.h"
 #include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "string.h"
 #include "cmd.h"
 #include "iso14443crc.h"
-#include "iso14443a.h"
-#include "crapto1.h"
+#include "crapto1/crapto1.h"
 #include "mifareutil.h"
 #include "mifareutil.h"
+#include "mifaresniff.h"
 #include "BigBuf.h"
 #include "protocols.h"
 #include "BigBuf.h"
 #include "protocols.h"
+#include "parity.h"
+
+typedef struct {
+       enum {
+               DEMOD_UNSYNCD,
+               // DEMOD_HALF_SYNCD,
+               // DEMOD_MOD_FIRST_HALF,
+               // DEMOD_NOMOD_FIRST_HALF,
+               DEMOD_MANCHESTER_DATA
+       } state;
+       uint16_t twoBits;
+       uint16_t highCnt;
+       uint16_t bitCount;
+       uint16_t collisionPos;
+       uint16_t syncBit;
+       uint8_t  parityBits;
+       uint8_t  parityLen;
+       uint16_t shiftReg;
+       uint16_t samples;
+       uint16_t len;
+       uint32_t startTime, endTime;
+       uint8_t  *output;
+       uint8_t  *parity;
+} tDemod;
+
+typedef enum {
+       MOD_NOMOD = 0,
+       MOD_SECOND_HALF,
+       MOD_FIRST_HALF,
+       MOD_BOTH_HALVES
+       } Modulation_t;
+
+typedef struct {
+       enum {
+               STATE_UNSYNCD,
+               STATE_START_OF_COMMUNICATION,
+               STATE_MILLER_X,
+               STATE_MILLER_Y,
+               STATE_MILLER_Z,
+               // DROP_NONE,
+               // DROP_FIRST_HALF,
+               } state;
+       uint16_t shiftReg;
+       int16_t  bitCount;
+       uint16_t len;
+       uint16_t byteCntMax;
+       uint16_t posCnt;
+       uint16_t syncBit;
+       uint8_t  parityBits;
+       uint8_t  parityLen;
+       uint32_t fourBits;
+       uint32_t startTime, endTime;
+    uint8_t *output;
+       uint8_t *parity;
+} tUart;
 
 static uint32_t iso14a_timeout;
 int rsamples = 0;
 
 static uint32_t iso14a_timeout;
 int rsamples = 0;
@@ -35,7 +92,7 @@ static uint8_t iso14_pcb_blocknum = 0;
 #define REQUEST_GUARD_TIME (7000/16 + 1)
 // minimum time between last modulation of tag and next start bit from reader to tag: 1172 carrier cycles 
 #define FRAME_DELAY_TIME_PICC_TO_PCD (1172/16 + 1) 
 #define REQUEST_GUARD_TIME (7000/16 + 1)
 // minimum time between last modulation of tag and next start bit from reader to tag: 1172 carrier cycles 
 #define FRAME_DELAY_TIME_PICC_TO_PCD (1172/16 + 1) 
-// bool LastCommandWasRequest = FALSE;
+// bool LastCommandWasRequest = false;
 
 //
 // Total delays including SSC-Transfers between ARM and FPGA. These are in carrier clock cycles (1/13,56MHz)
 
 //
 // Total delays including SSC-Transfers between ARM and FPGA. These are in carrier clock cycles (1/13,56MHz)
@@ -123,26 +180,6 @@ static uint32_t LastProxToAirDuration;
 #define        SEC_Y 0x00
 #define        SEC_Z 0xc0
 
 #define        SEC_Y 0x00
 #define        SEC_Z 0xc0
 
-const uint8_t OddByteParity[256] = {
-  1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
-  0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
-  0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
-  1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
-  0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
-  1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
-  1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
-  0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
-  0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
-  1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
-  1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
-  0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
-  1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
-  0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
-  0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
-  1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1
-};
-
-
 void iso14a_set_trigger(bool enable) {
        trigger = enable;
 }
 void iso14a_set_trigger(bool enable) {
        trigger = enable;
 }
@@ -180,11 +217,6 @@ void iso14a_set_ATS_timeout(uint8_t *ats) {
 // Generate the parity value for a byte sequence
 //
 //-----------------------------------------------------------------------------
 // Generate the parity value for a byte sequence
 //
 //-----------------------------------------------------------------------------
-byte_t oddparity (const byte_t bt)
-{
-       return OddByteParity[bt];
-}
-
 void GetParity(const uint8_t *pbtCmd, uint16_t iLen, uint8_t *par)
 {
        uint16_t paritybit_cnt = 0;
 void GetParity(const uint8_t *pbtCmd, uint16_t iLen, uint8_t *par)
 {
        uint16_t paritybit_cnt = 0;
@@ -193,7 +225,7 @@ void GetParity(const uint8_t *pbtCmd, uint16_t iLen, uint8_t *par)
 
        for (uint16_t i = 0; i < iLen; i++) {
                // Generate the parity bits
 
        for (uint16_t i = 0; i < iLen; i++) {
                // Generate the parity bits
-               parityBits |= ((OddByteParity[pbtCmd[i]]) << (7-paritybit_cnt));
+               parityBits |= ((oddparity8(pbtCmd[i])) << (7-paritybit_cnt));
                if (paritybit_cnt == 7) {
                        par[paritybyte_cnt] = parityBits;       // save 8 Bits parity
                        parityBits = 0;                                         // and advance to next Parity Byte
                if (paritybit_cnt == 7) {
                        par[paritybyte_cnt] = parityBits;       // save 8 Bits parity
                        parityBits = 0;                                         // and advance to next Parity Byte
@@ -245,8 +277,8 @@ static tUart Uart;
 // 0111  -   a 2 tick wide pause shifted left
 // 1001  -   a 2 tick wide pause shifted right
 const bool Mod_Miller_LUT[] = {
 // 0111  -   a 2 tick wide pause shifted left
 // 1001  -   a 2 tick wide pause shifted right
 const bool Mod_Miller_LUT[] = {
-       FALSE,  TRUE, FALSE, TRUE,  FALSE, FALSE, FALSE, TRUE,
-       FALSE,  TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE
+       false,  true, false, true,  false, false, false, true,
+       false,  true, false, false, false, false, false, false
 };
 #define IsMillerModulationNibble1(b) (Mod_Miller_LUT[(b & 0x000000F0) >> 4])
 #define IsMillerModulationNibble2(b) (Mod_Miller_LUT[(b & 0x0000000F)])
 };
 #define IsMillerModulationNibble1(b) (Mod_Miller_LUT[(b & 0x000000F0) >> 4])
 #define IsMillerModulationNibble2(b) (Mod_Miller_LUT[(b & 0x0000000F)])
@@ -356,13 +388,13 @@ static RAMFUNC bool MillerDecoding(uint8_t bit, uint32_t non_real_time)
                                                Uart.parityBits <<= 1;                                                                  // add a (void) parity bit
                                                Uart.parityBits <<= (8 - (Uart.len&0x0007));                    // left align parity bits
                                                Uart.parity[Uart.parityLen++] = Uart.parityBits;                // and store it
                                                Uart.parityBits <<= 1;                                                                  // add a (void) parity bit
                                                Uart.parityBits <<= (8 - (Uart.len&0x0007));                    // left align parity bits
                                                Uart.parity[Uart.parityLen++] = Uart.parityBits;                // and store it
-                                               return TRUE;
+                                               return true;
                                        } else if (Uart.len & 0x0007) {                                                         // there are some parity bits to store
                                                Uart.parityBits <<= (8 - (Uart.len&0x0007));                    // left align remaining parity bits
                                                Uart.parity[Uart.parityLen++] = Uart.parityBits;                // and store them
                                        }
                                        if (Uart.len) {
                                        } else if (Uart.len & 0x0007) {                                                         // there are some parity bits to store
                                                Uart.parityBits <<= (8 - (Uart.len&0x0007));                    // left align remaining parity bits
                                                Uart.parity[Uart.parityLen++] = Uart.parityBits;                // and store them
                                        }
                                        if (Uart.len) {
-                                               return TRUE;                                                                                    // we are finished with decoding the raw data sequence
+                                               return true;                                                                                    // we are finished with decoding the raw data sequence
                                        } else {
                                                UartReset();                                                                                    // Nothing received - start over
                                        }
                                        } else {
                                                UartReset();                                                                                    // Nothing received - start over
                                        }
@@ -390,7 +422,7 @@ static RAMFUNC bool MillerDecoding(uint8_t bit, uint32_t non_real_time)
                        
        } 
 
                        
        } 
 
-    return FALSE;      // not finished yet, need more data
+    return false;      // not finished yet, need more data
 }
 
 
 }
 
 
@@ -415,8 +447,8 @@ static tDemod Demod;
 // Lookup-Table to decide if 4 raw bits are a modulation.
 // We accept three or four "1" in any position
 const bool Mod_Manchester_LUT[] = {
 // Lookup-Table to decide if 4 raw bits are a modulation.
 // We accept three or four "1" in any position
 const bool Mod_Manchester_LUT[] = {
-       FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, TRUE,
-       FALSE, FALSE, FALSE, TRUE,  FALSE, TRUE,  TRUE,  TRUE
+       false, false, false, false, false, false, false, true,
+       false, false, false, true,  false, true,  true,  true
 };
 
 #define IsManchesterModulationNibble1(b) (Mod_Manchester_LUT[(b & 0x00F0) >> 4])
 };
 
 #define IsManchesterModulationNibble1(b) (Mod_Manchester_LUT[(b & 0x00F0) >> 4])
@@ -521,13 +553,13 @@ static RAMFUNC int ManchesterDecoding(uint8_t bit, uint16_t offset, uint32_t non
                                        Demod.parityBits <<= 1;                                                         // add a (void) parity bit
                                        Demod.parityBits <<= (8 - (Demod.len&0x0007));          // left align remaining parity bits
                                        Demod.parity[Demod.parityLen++] = Demod.parityBits;     // and store them
                                        Demod.parityBits <<= 1;                                                         // add a (void) parity bit
                                        Demod.parityBits <<= (8 - (Demod.len&0x0007));          // left align remaining parity bits
                                        Demod.parity[Demod.parityLen++] = Demod.parityBits;     // and store them
-                                       return TRUE;
+                                       return true;
                                } else if (Demod.len & 0x0007) {                                                // there are some parity bits to store
                                        Demod.parityBits <<= (8 - (Demod.len&0x0007));          // left align remaining parity bits
                                        Demod.parity[Demod.parityLen++] = Demod.parityBits;     // and store them
                                }
                                if (Demod.len) {
                                } else if (Demod.len & 0x0007) {                                                // there are some parity bits to store
                                        Demod.parityBits <<= (8 - (Demod.len&0x0007));          // left align remaining parity bits
                                        Demod.parity[Demod.parityLen++] = Demod.parityBits;     // and store them
                                }
                                if (Demod.len) {
-                                       return TRUE;                                                                            // we are finished with decoding the raw data sequence
+                                       return true;                                                                            // we are finished with decoding the raw data sequence
                                } else {                                                                                                // nothing received. Start over
                                        DemodReset();
                                }
                                } else {                                                                                                // nothing received. Start over
                                        DemodReset();
                                }
@@ -536,7 +568,7 @@ static RAMFUNC int ManchesterDecoding(uint8_t bit, uint16_t offset, uint32_t non
                        
        } 
 
                        
        } 
 
-    return FALSE;      // not finished yet, need more data
+    return false;      // not finished yet, need more data
 }
 
 //=============================================================================
 }
 
 //=============================================================================
@@ -575,14 +607,14 @@ void RAMFUNC SnoopIso14443a(uint8_t param) {
 
        // init trace buffer
        clear_trace();
 
        // init trace buffer
        clear_trace();
-       set_tracing(TRUE);
+       set_tracing(true);
 
        uint8_t *data = dmaBuf;
        uint8_t previous_data = 0;
        int maxDataLen = 0;
        int dataLen = 0;
 
        uint8_t *data = dmaBuf;
        uint8_t previous_data = 0;
        int maxDataLen = 0;
        int dataLen = 0;
-       bool TagIsActive = FALSE;
-       bool ReaderIsActive = FALSE;
+       bool TagIsActive = false;
+       bool ReaderIsActive = false;
        
        // Set up the demodulator for tag -> reader responses.
        DemodInit(receivedResponse, receivedResponsePar);
        
        // Set up the demodulator for tag -> reader responses.
        DemodInit(receivedResponse, receivedResponsePar);
@@ -596,11 +628,11 @@ void RAMFUNC SnoopIso14443a(uint8_t param) {
        // We won't start recording the frames that we acquire until we trigger;
        // a good trigger condition to get started is probably when we see a
        // response from the tag.
        // We won't start recording the frames that we acquire until we trigger;
        // a good trigger condition to get started is probably when we see a
        // response from the tag.
-       // triggered == FALSE -- to wait first for card
+       // triggered == false -- to wait first for card
        bool triggered = !(param & 0x03); 
        
        // And now we loop, receiving samples.
        bool triggered = !(param & 0x03); 
        
        // And now we loop, receiving samples.
-       for(uint32_t rsamples = 0; TRUE; ) {
+       for(uint32_t rsamples = 0; true; ) {
 
                if(BUTTON_PRESS()) {
                        DbpString("cancelled by button");
 
                if(BUTTON_PRESS()) {
                        DbpString("cancelled by button");
@@ -649,7 +681,7 @@ void RAMFUNC SnoopIso14443a(uint8_t param) {
                                        LED_C_ON();
 
                                        // check - if there is a short 7bit request from reader
                                        LED_C_ON();
 
                                        // check - if there is a short 7bit request from reader
-                                       if ((!triggered) && (param & 0x02) && (Uart.len == 1) && (Uart.bitCount == 7)) triggered = TRUE;
+                                       if ((!triggered) && (param & 0x02) && (Uart.len == 1) && (Uart.bitCount == 7)) triggered = true;
 
                                        if(triggered) {
                                                if (!LogTrace(receivedCmd, 
 
                                        if(triggered) {
                                                if (!LogTrace(receivedCmd, 
@@ -657,7 +689,7 @@ void RAMFUNC SnoopIso14443a(uint8_t param) {
                                                                                Uart.startTime*16 - DELAY_READER_AIR2ARM_AS_SNIFFER,
                                                                                Uart.endTime*16 - DELAY_READER_AIR2ARM_AS_SNIFFER,
                                                                                Uart.parity, 
                                                                                Uart.startTime*16 - DELAY_READER_AIR2ARM_AS_SNIFFER,
                                                                                Uart.endTime*16 - DELAY_READER_AIR2ARM_AS_SNIFFER,
                                                                                Uart.parity, 
-                                                                               TRUE)) break;
+                                                                               true)) break;
                                        }
                                        /* And ready to receive another command. */
                                        UartReset();
                                        }
                                        /* And ready to receive another command. */
                                        UartReset();
@@ -679,9 +711,9 @@ void RAMFUNC SnoopIso14443a(uint8_t param) {
                                                                        Demod.startTime*16 - DELAY_TAG_AIR2ARM_AS_SNIFFER, 
                                                                        Demod.endTime*16 - DELAY_TAG_AIR2ARM_AS_SNIFFER,
                                                                        Demod.parity,
                                                                        Demod.startTime*16 - DELAY_TAG_AIR2ARM_AS_SNIFFER, 
                                                                        Demod.endTime*16 - DELAY_TAG_AIR2ARM_AS_SNIFFER,
                                                                        Demod.parity,
-                                                                       FALSE)) break;
+                                                                       false)) break;
 
 
-                                       if ((!triggered) && (param & 0x01)) triggered = TRUE;
+                                       if ((!triggered) && (param & 0x01)) triggered = true;
 
                                        // And ready to receive another response.
                                        DemodReset();
 
                                        // And ready to receive another response.
                                        DemodReset();
@@ -811,7 +843,7 @@ static void Code4bitAnswerAsTag(uint8_t cmd)
 //-----------------------------------------------------------------------------
 // Wait for commands from reader
 // Stop when button is pressed
 //-----------------------------------------------------------------------------
 // Wait for commands from reader
 // Stop when button is pressed
-// Or return TRUE when command is captured
+// Or return true when command is captured
 //-----------------------------------------------------------------------------
 static int GetIso14443aCommandFromReader(uint8_t *received, uint8_t *parity, int *len)
 {
 //-----------------------------------------------------------------------------
 static int GetIso14443aCommandFromReader(uint8_t *received, uint8_t *parity, int *len)
 {
@@ -830,13 +862,13 @@ static int GetIso14443aCommandFromReader(uint8_t *received, uint8_t *parity, int
     for(;;) {
         WDT_HIT();
 
     for(;;) {
         WDT_HIT();
 
-        if(BUTTON_PRESS()) return FALSE;
+        if(BUTTON_PRESS()) return false;
                
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
             b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
                        if(MillerDecoding(b, 0)) {
                                *len = Uart.len;
                
         if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
             b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
                        if(MillerDecoding(b, 0)) {
                                *len = Uart.len;
-                               return TRUE;
+                               return true;
                        }
                }
     }
                        }
                }
     }
@@ -1046,7 +1078,7 @@ void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t* data)
 
        // clear trace
        clear_trace();
 
        // clear trace
        clear_trace();
-       set_tracing(TRUE);
+       set_tracing(true);
 
        // Prepare the responses of the anticollision phase
        // there will be not enough time to do this at the moment the reader sends it REQA
 
        // Prepare the responses of the anticollision phase
        // there will be not enough time to do this at the moment the reader sends it REQA
@@ -1100,7 +1132,7 @@ void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t* data)
                } else if(receivedCmd[0] == 0x50) {     // Received a HALT
 
                        if (tracing) {
                } else if(receivedCmd[0] == 0x50) {     // Received a HALT
 
                        if (tracing) {
-                               LogTrace(receivedCmd, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                               LogTrace(receivedCmd, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                        }
                        p_response = NULL;
                } else if(receivedCmd[0] == 0x60 || receivedCmd[0] == 0x61) {   // Received an authentication request
                        }
                        p_response = NULL;
                } else if(receivedCmd[0] == 0x60 || receivedCmd[0] == 0x61) {   // Received an authentication request
@@ -1114,7 +1146,7 @@ void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t* data)
                        }
                } else if (order == 7 && len == 8) { // Received {nr] and {ar} (part of authentication)
                        if (tracing) {
                        }
                } else if (order == 7 && len == 8) { // Received {nr] and {ar} (part of authentication)
                        if (tracing) {
-                               LogTrace(receivedCmd, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                               LogTrace(receivedCmd, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                        }
                        uint32_t nr = bytes_to_num(receivedCmd,4);
                        uint32_t ar = bytes_to_num(receivedCmd+4,4);
                        }
                        uint32_t nr = bytes_to_num(receivedCmd,4);
                        uint32_t ar = bytes_to_num(receivedCmd+4,4);
@@ -1158,7 +1190,7 @@ void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t* data)
                                default: {
                                        // Never seen this command before
                                        if (tracing) {
                                default: {
                                        // Never seen this command before
                                        if (tracing) {
-                                               LogTrace(receivedCmd, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                               LogTrace(receivedCmd, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                        }
                                        Dbprintf("Received unknown command (len=%d):",len);
                                        Dbhexdump(len,receivedCmd,false);
                                        }
                                        Dbprintf("Received unknown command (len=%d):",len);
                                        Dbhexdump(len,receivedCmd,false);
@@ -1178,7 +1210,7 @@ void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t* data)
                                if (prepare_tag_modulation(&dynamic_response_info,DYNAMIC_MODULATION_BUFFER_SIZE) == false) {
                                        Dbprintf("Error preparing tag response");
                                        if (tracing) {
                                if (prepare_tag_modulation(&dynamic_response_info,DYNAMIC_MODULATION_BUFFER_SIZE) == false) {
                                        Dbprintf("Error preparing tag response");
                                        if (tracing) {
-                                               LogTrace(receivedCmd, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                               LogTrace(receivedCmd, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                        }
                                        break;
                                }
                                        }
                                        break;
                                }
@@ -1472,7 +1504,7 @@ static int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen, bool correctionNe
 
        // include correction bit if necessary
        if (Uart.parityBits & 0x01) {
 
        // include correction bit if necessary
        if (Uart.parityBits & 0x01) {
-               correctionNeeded = TRUE;
+               correctionNeeded = true;
        }
        if(correctionNeeded) {
                // 1236, so correction bit needed
        }
        if(correctionNeeded) {
                // 1236, so correction bit needed
@@ -1593,18 +1625,18 @@ bool EmLogTrace(uint8_t *reader_data, uint16_t reader_len, uint32_t reader_Start
                uint16_t exact_fdt = (approx_fdt - 20 + 32)/64 * 64 + 20;
                reader_EndTime = tag_StartTime - exact_fdt;
                reader_StartTime = reader_EndTime - reader_modlen;
                uint16_t exact_fdt = (approx_fdt - 20 + 32)/64 * 64 + 20;
                reader_EndTime = tag_StartTime - exact_fdt;
                reader_StartTime = reader_EndTime - reader_modlen;
-               if (!LogTrace(reader_data, reader_len, reader_StartTime, reader_EndTime, reader_Parity, TRUE)) {
-                       return FALSE;
-               } else return(!LogTrace(tag_data, tag_len, tag_StartTime, tag_EndTime, tag_Parity, FALSE));
+               if (!LogTrace(reader_data, reader_len, reader_StartTime, reader_EndTime, reader_Parity, true)) {
+                       return false;
+               } else return(!LogTrace(tag_data, tag_len, tag_StartTime, tag_EndTime, tag_Parity, false));
        } else {
        } else {
-               return TRUE;
+               return true;
        }
 }
 
 //-----------------------------------------------------------------------------
 // Wait a certain time for tag response
        }
 }
 
 //-----------------------------------------------------------------------------
 // Wait a certain time for tag response
-//  If a response is captured return TRUE
-//  If it takes too long return FALSE
+//  If a response is captured return true
+//  If it takes too long return false
 //-----------------------------------------------------------------------------
 static int GetIso14443aAnswerFromTag(uint8_t *receivedResponse, uint8_t *receivedResponsePar, uint16_t offset)
 {
 //-----------------------------------------------------------------------------
 static int GetIso14443aAnswerFromTag(uint8_t *receivedResponse, uint8_t *receivedResponsePar, uint16_t offset)
 {
@@ -1630,9 +1662,9 @@ static int GetIso14443aAnswerFromTag(uint8_t *receivedResponse, uint8_t *receive
                        b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
                        if(ManchesterDecoding(b, offset, 0)) {
                                NextTransferTime = MAX(NextTransferTime, Demod.endTime - (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/16 + FRAME_DELAY_TIME_PICC_TO_PCD);
                        b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
                        if(ManchesterDecoding(b, offset, 0)) {
                                NextTransferTime = MAX(NextTransferTime, Demod.endTime - (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/16 + FRAME_DELAY_TIME_PICC_TO_PCD);
-                               return TRUE;
+                               return true;
                        } else if (c++ > iso14a_timeout && Demod.state == DEMOD_UNSYNCD) {
                        } else if (c++ > iso14a_timeout && Demod.state == DEMOD_UNSYNCD) {
-                               return FALSE
+                               return false
                        }
                }
        }
                        }
                }
        }
@@ -1650,7 +1682,7 @@ void ReaderTransmitBitsPar(uint8_t* frame, uint16_t bits, uint8_t *par, uint32_t
   
        // Log reader command in trace buffer
        if (tracing) {
   
        // Log reader command in trace buffer
        if (tracing) {
-               LogTrace(frame, nbytes(bits), LastTimeProxToAirStart*16 + DELAY_ARM2AIR_AS_READER, (LastTimeProxToAirStart + LastProxToAirDuration)*16 + DELAY_ARM2AIR_AS_READER, par, TRUE);
+               LogTrace(frame, nbytes(bits), LastTimeProxToAirStart*16 + DELAY_ARM2AIR_AS_READER, (LastTimeProxToAirStart + LastProxToAirDuration)*16 + DELAY_ARM2AIR_AS_READER, par, true);
        }
 }
 
        }
 }
 
@@ -1680,26 +1712,28 @@ void ReaderTransmit(uint8_t* frame, uint16_t len, uint32_t *timing)
 
 int ReaderReceiveOffset(uint8_t* receivedAnswer, uint16_t offset, uint8_t *parity)
 {
 
 int ReaderReceiveOffset(uint8_t* receivedAnswer, uint16_t offset, uint8_t *parity)
 {
-       if (!GetIso14443aAnswerFromTag(receivedAnswer, parity, offset)) return FALSE;
+       if (!GetIso14443aAnswerFromTag(receivedAnswer, parity, offset)) return false;
        if (tracing) {
        if (tracing) {
-               LogTrace(receivedAnswer, Demod.len, Demod.startTime*16 - DELAY_AIR2ARM_AS_READER, Demod.endTime*16 - DELAY_AIR2ARM_AS_READER, parity, FALSE);
+               LogTrace(receivedAnswer, Demod.len, Demod.startTime*16 - DELAY_AIR2ARM_AS_READER, Demod.endTime*16 - DELAY_AIR2ARM_AS_READER, parity, false);
        }
        return Demod.len;
 }
 
 int ReaderReceive(uint8_t *receivedAnswer, uint8_t *parity)
 {
        }
        return Demod.len;
 }
 
 int ReaderReceive(uint8_t *receivedAnswer, uint8_t *parity)
 {
-       if (!GetIso14443aAnswerFromTag(receivedAnswer, parity, 0)) return FALSE;
+       if (!GetIso14443aAnswerFromTag(receivedAnswer, parity, 0)) return false;
        if (tracing) {
        if (tracing) {
-               LogTrace(receivedAnswer, Demod.len, Demod.startTime*16 - DELAY_AIR2ARM_AS_READER, Demod.endTime*16 - DELAY_AIR2ARM_AS_READER, parity, FALSE);
+               LogTrace(receivedAnswer, Demod.len, Demod.startTime*16 - DELAY_AIR2ARM_AS_READER, Demod.endTime*16 - DELAY_AIR2ARM_AS_READER, parity, false);
        }
        return Demod.len;
 }
 
        }
        return Demod.len;
 }
 
-/* performs iso14443a anticollision procedure
- * fills the uid pointer unless NULL
- * fills resp_data unless NULL */
-int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, uint32_t *cuid_ptr) {
+// performs iso14443a anticollision (optional) and card select procedure
+// fills the uid and cuid pointer unless NULL
+// fills the card info record unless NULL
+// if anticollision is false, then the UID must be provided in uid_ptr[] 
+// and num_cascades must be set (1: 4 Byte UID, 2: 7 Byte UID, 3: 10 Byte UID)
+int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, uint32_t *cuid_ptr, bool anticollision, uint8_t num_cascades) {
        uint8_t wupa[]       = { 0x52 };  // 0x26 - REQA  0x52 - WAKE-UP
        uint8_t sel_all[]    = { 0x93,0x20 };
        uint8_t sel_uid[]    = { 0x93,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t wupa[]       = { 0x52 };  // 0x26 - REQA  0x52 - WAKE-UP
        uint8_t sel_all[]    = { 0x93,0x20 };
        uint8_t sel_uid[]    = { 0x93,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
@@ -1714,7 +1748,7 @@ int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, u
        int len;
 
        // Broadcast for a card, WUPA (0x52) will force response from all cards in the field
        int len;
 
        // Broadcast for a card, WUPA (0x52) will force response from all cards in the field
-    ReaderTransmitBitsPar(wupa,7,0, NULL);
+    ReaderTransmitBitsPar(wupa, 7, NULL, NULL);
        
        // Receive the ATQA
        if(!ReaderReceive(resp, resp_par)) return 0;
        
        // Receive the ATQA
        if(!ReaderReceive(resp, resp_par)) return 0;
@@ -1725,9 +1759,11 @@ int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, u
                memset(p_hi14a_card->uid,0,10);
        }
 
                memset(p_hi14a_card->uid,0,10);
        }
 
-       // clear uid
-       if (uid_ptr) {
-               memset(uid_ptr,0,10);
+       if (anticollision) {
+               // clear uid
+               if (uid_ptr) {
+                       memset(uid_ptr,0,10);
+               }
        }
 
        // check for proprietary anticollision:
        }
 
        // check for proprietary anticollision:
@@ -1742,40 +1778,49 @@ int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, u
                // SELECT_* (L1: 0x93, L2: 0x95, L3: 0x97)
                sel_uid[0] = sel_all[0] = 0x93 + cascade_level * 2;
 
                // SELECT_* (L1: 0x93, L2: 0x95, L3: 0x97)
                sel_uid[0] = sel_all[0] = 0x93 + cascade_level * 2;
 
-               // SELECT_ALL
-               ReaderTransmit(sel_all, sizeof(sel_all), NULL);
-               if (!ReaderReceive(resp, resp_par)) return 0;
-
-               if (Demod.collisionPos) {                       // we had a collision and need to construct the UID bit by bit
-                       memset(uid_resp, 0, 4);
-                       uint16_t uid_resp_bits = 0;
-                       uint16_t collision_answer_offset = 0;
-                       // anti-collision-loop:
-                       while (Demod.collisionPos) {
-                               Dbprintf("Multiple tags detected. Collision after Bit %d", Demod.collisionPos);
-                               for (uint16_t i = collision_answer_offset; i < Demod.collisionPos; i++, uid_resp_bits++) {      // add valid UID bits before collision point
-                                       uint16_t UIDbit = (resp[i/8] >> (i % 8)) & 0x01;
-                                       uid_resp[uid_resp_bits / 8] |= UIDbit << (uid_resp_bits % 8);
+               if (anticollision) {
+                       // SELECT_ALL
+                       ReaderTransmit(sel_all, sizeof(sel_all), NULL);
+                       if (!ReaderReceive(resp, resp_par)) return 0;
+
+                       if (Demod.collisionPos) {                       // we had a collision and need to construct the UID bit by bit
+                               memset(uid_resp, 0, 4);
+                               uint16_t uid_resp_bits = 0;
+                               uint16_t collision_answer_offset = 0;
+                               // anti-collision-loop:
+                               while (Demod.collisionPos) {
+                                       Dbprintf("Multiple tags detected. Collision after Bit %d", Demod.collisionPos);
+                                       for (uint16_t i = collision_answer_offset; i < Demod.collisionPos; i++, uid_resp_bits++) {      // add valid UID bits before collision point
+                                               uint16_t UIDbit = (resp[i/8] >> (i % 8)) & 0x01;
+                                               uid_resp[uid_resp_bits / 8] |= UIDbit << (uid_resp_bits % 8);
+                                       }
+                                       uid_resp[uid_resp_bits/8] |= 1 << (uid_resp_bits % 8);                                  // next time select the card(s) with a 1 in the collision position
+                                       uid_resp_bits++;
+                                       // construct anticollosion command:
+                                       sel_uid[1] = ((2 + uid_resp_bits/8) << 4) | (uid_resp_bits & 0x07);     // length of data in bytes and bits
+                                       for (uint16_t i = 0; i <= uid_resp_bits/8; i++) {
+                                               sel_uid[2+i] = uid_resp[i];
+                                       }
+                                       collision_answer_offset = uid_resp_bits%8;
+                                       ReaderTransmitBits(sel_uid, 16 + uid_resp_bits, NULL);
+                                       if (!ReaderReceiveOffset(resp, collision_answer_offset, resp_par)) return 0;
                                }
                                }
-                               uid_resp[uid_resp_bits/8] |= 1 << (uid_resp_bits % 8);                                  // next time select the card(s) with a 1 in the collision position
-                               uid_resp_bits++;
-                               // construct anticollosion command:
-                               sel_uid[1] = ((2 + uid_resp_bits/8) << 4) | (uid_resp_bits & 0x07);     // length of data in bytes and bits
-                               for (uint16_t i = 0; i <= uid_resp_bits/8; i++) {
-                                       sel_uid[2+i] = uid_resp[i];
+                               // finally, add the last bits and BCC of the UID
+                               for (uint16_t i = collision_answer_offset; i < (Demod.len-1)*8; i++, uid_resp_bits++) {
+                                       uint16_t UIDbit = (resp[i/8] >> (i%8)) & 0x01;
+                                       uid_resp[uid_resp_bits/8] |= UIDbit << (uid_resp_bits % 8);
                                }
                                }
-                               collision_answer_offset = uid_resp_bits%8;
-                               ReaderTransmitBits(sel_uid, 16 + uid_resp_bits, NULL);
-                               if (!ReaderReceiveOffset(resp, collision_answer_offset, resp_par)) return 0;
+
+                       } else {                // no collision, use the response to SELECT_ALL as current uid
+                               memcpy(uid_resp, resp, 4);
                        }
                        }
-                       // finally, add the last bits and BCC of the UID
-                       for (uint16_t i = collision_answer_offset; i < (Demod.len-1)*8; i++, uid_resp_bits++) {
-                               uint16_t UIDbit = (resp[i/8] >> (i%8)) & 0x01;
-                               uid_resp[uid_resp_bits/8] |= UIDbit << (uid_resp_bits % 8);
+               } else {
+                       if (cascade_level < num_cascades - 1) {
+                               uid_resp[0] = 0x88;
+                               memcpy(uid_resp+1, uid_ptr+cascade_level*3, 3);
+                       } else {
+                               memcpy(uid_resp, uid_ptr+cascade_level*3, 4);
                        }
                        }
-
-               } else {                // no collision, use the response to SELECT_ALL as current uid
-                       memcpy(uid_resp, resp, 4);
                }
                uid_resp_len = 4;
 
                }
                uid_resp_len = 4;
 
@@ -1786,7 +1831,7 @@ int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, u
 
                // Construct SELECT UID command
                sel_uid[1] = 0x70;                                                                                                      // transmitting a full UID (1 Byte cmd, 1 Byte NVB, 4 Byte UID, 1 Byte BCC, 2 Bytes CRC)
 
                // Construct SELECT UID command
                sel_uid[1] = 0x70;                                                                                                      // transmitting a full UID (1 Byte cmd, 1 Byte NVB, 4 Byte UID, 1 Byte BCC, 2 Bytes CRC)
-               memcpy(sel_uid+2, uid_resp, 4);                                                                         // the UID
+               memcpy(sel_uid+2, uid_resp, 4);                                                                         // the UID received during anticollision, or the provided UID
                sel_uid[6] = sel_uid[2] ^ sel_uid[3] ^ sel_uid[4] ^ sel_uid[5];         // calculate and add BCC
                AppendCrc14443a(sel_uid, 7);                                                                            // calculate and add CRC
                ReaderTransmit(sel_uid, sizeof(sel_uid), NULL);
                sel_uid[6] = sel_uid[2] ^ sel_uid[3] ^ sel_uid[4] ^ sel_uid[5];         // calculate and add BCC
                AppendCrc14443a(sel_uid, 7);                                                                            // calculate and add CRC
                ReaderTransmit(sel_uid, sizeof(sel_uid), NULL);
@@ -1794,19 +1839,18 @@ int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, u
                // Receive the SAK
                if (!ReaderReceive(resp, resp_par)) return 0;
                sak = resp[0];
                // Receive the SAK
                if (!ReaderReceive(resp, resp_par)) return 0;
                sak = resp[0];
-
-    // Test if more parts of the uid are coming
+       
+               // Test if more parts of the uid are coming
                if ((sak & 0x04) /* && uid_resp[0] == 0x88 */) {
                        // Remove first byte, 0x88 is not an UID byte, it CT, see page 3 of:
                        // http://www.nxp.com/documents/application_note/AN10927.pdf
                        uid_resp[0] = uid_resp[1];
                        uid_resp[1] = uid_resp[2];
                        uid_resp[2] = uid_resp[3]; 
                if ((sak & 0x04) /* && uid_resp[0] == 0x88 */) {
                        // Remove first byte, 0x88 is not an UID byte, it CT, see page 3 of:
                        // http://www.nxp.com/documents/application_note/AN10927.pdf
                        uid_resp[0] = uid_resp[1];
                        uid_resp[1] = uid_resp[2];
                        uid_resp[2] = uid_resp[3]; 
-
                        uid_resp_len = 3;
                }
 
                        uid_resp_len = 3;
                }
 
-               if(uid_ptr) {
+               if(uid_ptr && anticollision) {
                        memcpy(uid_ptr + (cascade_level*3), uid_resp, uid_resp_len);
                }
 
                        memcpy(uid_ptr + (cascade_level*3), uid_resp, uid_resp_len);
                }
 
@@ -1917,17 +1961,17 @@ void ReaderIso14443a(UsbCommand *c)
                clear_trace();
        }
 
                clear_trace();
        }
 
-       set_tracing(TRUE);
+       set_tracing(true);
 
        if(param & ISO14A_REQUEST_TRIGGER) {
 
        if(param & ISO14A_REQUEST_TRIGGER) {
-               iso14a_set_trigger(TRUE);
+               iso14a_set_trigger(true);
        }
 
        if(param & ISO14A_CONNECT) {
                iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
                if(!(param & ISO14A_NO_SELECT)) {
                        iso14a_card_select_t *card = (iso14a_card_select_t*)buf;
        }
 
        if(param & ISO14A_CONNECT) {
                iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
                if(!(param & ISO14A_NO_SELECT)) {
                        iso14a_card_select_t *card = (iso14a_card_select_t*)buf;
-                       arg0 = iso14443a_select_card(NULL,card,NULL);
+                       arg0 = iso14443a_select_card(NULL, card, NULL, true, 0);
                        cmd_send(CMD_ACK,arg0,card->uidlen,0,buf,sizeof(iso14a_card_select_t));
                }
        }
                        cmd_send(CMD_ACK,arg0,card->uidlen,0,buf,sizeof(iso14a_card_select_t));
                }
        }
@@ -1981,7 +2025,7 @@ void ReaderIso14443a(UsbCommand *c)
        }
 
        if(param & ISO14A_REQUEST_TRIGGER) {
        }
 
        if(param & ISO14A_REQUEST_TRIGGER) {
-               iso14a_set_trigger(FALSE);
+               iso14a_set_trigger(false);
        }
 
        if(param & ISO14A_NO_DISCONNECT) {
        }
 
        if(param & ISO14A_NO_DISCONNECT) {
@@ -2041,12 +2085,12 @@ void ReaderMifare(bool first_try)
        BigBuf_free();
        
        clear_trace();
        BigBuf_free();
        
        clear_trace();
-       set_tracing(TRUE);
+       set_tracing(true);
 
        byte_t nt_diff = 0;
        uint8_t par[1] = {0};   // maximum 8 Bytes to be sent here, 1 byte parity is therefore enough
        static byte_t par_low = 0;
 
        byte_t nt_diff = 0;
        uint8_t par[1] = {0};   // maximum 8 Bytes to be sent here, 1 byte parity is therefore enough
        static byte_t par_low = 0;
-       bool led_on = TRUE;
+       bool led_on = true;
        uint8_t uid[10]  ={0};
        uint32_t cuid;
 
        uint8_t uid[10]  ={0};
        uint32_t cuid;
 
@@ -2096,7 +2140,7 @@ void ReaderMifare(bool first_try)
        uint32_t select_time;
        uint32_t halt_time;
        
        uint32_t select_time;
        uint32_t halt_time;
        
-       for(uint16_t i = 0; TRUE; i++) {
+       for(uint16_t i = 0; true; i++) {
                
                LED_C_ON();
                WDT_HIT();
                
                LED_C_ON();
                WDT_HIT();
@@ -2124,7 +2168,7 @@ void ReaderMifare(bool first_try)
                        SpinDelay(100);
                }
                
                        SpinDelay(100);
                }
                
-               if(!iso14443a_select_card(uid, NULL, &cuid)) {
+               if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
                        if (MF_DBGLEVEL >= 1)   Dbprintf("Mifare: Can't select card");
                        continue;
                }
                        if (MF_DBGLEVEL >= 1)   Dbprintf("Mifare: Can't select card");
                        continue;
                }
@@ -2305,7 +2349,7 @@ void ReaderMifare(bool first_try)
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        LEDsoff();
 
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        LEDsoff();
 
-       set_tracing(FALSE);
+       set_tracing(false);
 }
 
 typedef struct {
 }
 
 typedef struct {
@@ -2374,8 +2418,8 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
        //Here, we collect UID,sector,keytype,NT,AR,NR,NT2,AR2,NR2
        // This will be used in the reader-only attack.
 
        //Here, we collect UID,sector,keytype,NT,AR,NR,NT2,AR2,NR2
        // This will be used in the reader-only attack.
 
-       //allow collecting up to 8 sets of nonces to allow recovery of up to 8 keys
-       #define ATTACK_KEY_COUNT 8 // keep same as define in cmdhfmf.c -> readerAttack()
+       //allow collecting up to 7 sets of nonces to allow recovery of up to 7 keys
+       #define ATTACK_KEY_COUNT 7 // keep same as define in cmdhfmf.c -> readerAttack() (Cannot be more than 7)
        nonces_t ar_nr_resp[ATTACK_KEY_COUNT*2]; //*2 for 2 separate attack types (nml, moebius)
        memset(ar_nr_resp, 0x00, sizeof(ar_nr_resp));
 
        nonces_t ar_nr_resp[ATTACK_KEY_COUNT*2]; //*2 for 2 separate attack types (nml, moebius)
        memset(ar_nr_resp, 0x00, sizeof(ar_nr_resp));
 
@@ -2503,9 +2547,9 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
 
        // clear trace
        clear_trace();
 
        // clear trace
        clear_trace();
-       set_tracing(TRUE);
+       set_tracing(true);
 
 
-       bool finished = FALSE;
+       bool finished = false;
        bool button_pushed = BUTTON_PRESS();
        while (!button_pushed && !finished && !usb_poll_validate_length()) {
                WDT_HIT();
        bool button_pushed = BUTTON_PRESS();
        while (!button_pushed && !finished && !usb_poll_validate_length()) {
                WDT_HIT();
@@ -2551,7 +2595,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                        case MFEMUL_NOFIELD:
                        case MFEMUL_HALTED:
                        case MFEMUL_IDLE:{
                        case MFEMUL_NOFIELD:
                        case MFEMUL_HALTED:
                        case MFEMUL_IDLE:{
-                               LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                               LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                break;
                        }
                        case MFEMUL_SELECT1:{
                                break;
                        }
                        case MFEMUL_SELECT1:{
@@ -2592,7 +2636,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                        }
                        case MFEMUL_SELECT3:{
                                if (!len) { 
                        }
                        case MFEMUL_SELECT3:{
                                if (!len) { 
-                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                        break;
                                }
                                // select all cl3 - 0x97 0x20
                                        break;
                                }
                                // select all cl3 - 0x97 0x20
@@ -2618,7 +2662,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                        case MFEMUL_AUTH1:{
                                if( len != 8) {
                                        cardSTATE_TO_IDLE();
                        case MFEMUL_AUTH1:{
                                if( len != 8) {
                                        cardSTATE_TO_IDLE();
-                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                        break;
                                }
 
                                        break;
                                }
 
@@ -2701,7 +2745,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                                        // reader to do a WUPA after a while. /Martin
                                        // -- which is the correct response. /piwi
                                        cardSTATE_TO_IDLE();
                                        // reader to do a WUPA after a while. /Martin
                                        // -- which is the correct response. /piwi
                                        cardSTATE_TO_IDLE();
-                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                        break;
                                }
 
                                        break;
                                }
 
@@ -2720,7 +2764,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                        }
                        case MFEMUL_SELECT2:{
                                if (!len) { 
                        }
                        case MFEMUL_SELECT2:{
                                if (!len) { 
-                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                        break;
                                }       
                                // select all cl2 - 0x95 0x20
                                        break;
                                }       
                                // select all cl2 - 0x95 0x20
@@ -2750,7 +2794,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                                
                                // i guess there is a command). go into the work state.
                                if (len != 4) {
                                
                                // i guess there is a command). go into the work state.
                                if (len != 4) {
-                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                        break;
                                }
                                cardSTATE = MFEMUL_WORK;
                                        break;
                                }
                                cardSTATE = MFEMUL_WORK;
@@ -2760,7 +2804,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
 
                        case MFEMUL_WORK:{
                                if (len == 0) {
 
                        case MFEMUL_WORK:{
                                if (len == 0) {
-                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                        break;
                                }
                                
                                        break;
                                }
                                
@@ -2820,7 +2864,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                                }
                                
                                if(len != 4) {
                                }
                                
                                if(len != 4) {
-                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                        break;
                                }
 
                                        break;
                                }
 
@@ -2899,7 +2943,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                                        LED_C_OFF();
                                        cardSTATE = MFEMUL_HALTED;
                                        if (MF_DBGLEVEL >= 4)   Dbprintf("--> HALTED. Selected time: %d ms",  GetTickCount() - selTimer);
                                        LED_C_OFF();
                                        cardSTATE = MFEMUL_HALTED;
                                        if (MF_DBGLEVEL >= 4)   Dbprintf("--> HALTED. Selected time: %d ms",  GetTickCount() - selTimer);
-                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                        break;
                                }
                                // RATS
                                        break;
                                }
                                // RATS
@@ -2920,7 +2964,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                                        cardSTATE = MFEMUL_WORK;
                                } else {
                                        cardSTATE_TO_IDLE();
                                        cardSTATE = MFEMUL_WORK;
                                } else {
                                        cardSTATE_TO_IDLE();
-                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                                       LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                }
                                break;
                        }
                                }
                                break;
                        }
@@ -2933,7 +2977,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                                        cardSTATE_TO_IDLE();
                                        break;
                                } 
                                        cardSTATE_TO_IDLE();
                                        break;
                                } 
-                               LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                               LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                cardINTREG = cardINTREG + ans;
                                cardSTATE = MFEMUL_WORK;
                                break;
                                cardINTREG = cardINTREG + ans;
                                cardSTATE = MFEMUL_WORK;
                                break;
@@ -2946,7 +2990,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                                        cardSTATE_TO_IDLE();
                                        break;
                                }
                                        cardSTATE_TO_IDLE();
                                        break;
                                }
-                               LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                               LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                cardINTREG = cardINTREG - ans;
                                cardSTATE = MFEMUL_WORK;
                                break;
                                cardINTREG = cardINTREG - ans;
                                cardSTATE = MFEMUL_WORK;
                                break;
@@ -2959,7 +3003,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                                        cardSTATE_TO_IDLE();
                                        break;
                                }
                                        cardSTATE_TO_IDLE();
                                        break;
                                }
-                               LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+                               LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, true);
                                cardSTATE = MFEMUL_WORK;
                                break;
                        }
                                cardSTATE = MFEMUL_WORK;
                                break;
                        }
@@ -3021,7 +3065,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
        LEDsoff();
        // init trace buffer
        clear_trace();
        LEDsoff();
        // init trace buffer
        clear_trace();
-       set_tracing(TRUE);
+       set_tracing(true);
 
        // The command (reader -> tag) that we're receiving.
        // The length of a received command will in most cases be no more than 18 bytes.
 
        // The command (reader -> tag) that we're receiving.
        // The length of a received command will in most cases be no more than 18 bytes.
@@ -3042,8 +3086,8 @@ void RAMFUNC SniffMifare(uint8_t param) {
        uint8_t previous_data = 0;
        int maxDataLen = 0;
        int dataLen = 0;
        uint8_t previous_data = 0;
        int maxDataLen = 0;
        int dataLen = 0;
-       bool ReaderIsActive = FALSE;
-       bool TagIsActive = FALSE;
+       bool ReaderIsActive = false;
+       bool TagIsActive = false;
 
        // Set up the demodulator for tag -> reader responses.
        DemodInit(receivedResponse, receivedResponsePar);
 
        // Set up the demodulator for tag -> reader responses.
        DemodInit(receivedResponse, receivedResponsePar);
@@ -3060,7 +3104,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
        MfSniffInit();
 
        // And now we loop, receiving samples.
        MfSniffInit();
 
        // And now we loop, receiving samples.
-       for(uint32_t sniffCounter = 0; TRUE; ) {
+       for(uint32_t sniffCounter = 0; true; ) {
        
                if(BUTTON_PRESS()) {
                        DbpString("cancelled by button");
        
                if(BUTTON_PRESS()) {
                        DbpString("cancelled by button");
@@ -3078,8 +3122,8 @@ void RAMFUNC SniffMifare(uint8_t param) {
                                sniffCounter = 0;
                                data = dmaBuf;
                                maxDataLen = 0;
                                sniffCounter = 0;
                                data = dmaBuf;
                                maxDataLen = 0;
-                               ReaderIsActive = FALSE;
-                               TagIsActive = FALSE;
+                               ReaderIsActive = false;
+                               TagIsActive = false;
                                FpgaSetupSscDma((uint8_t *)dmaBuf, DMA_BUFFER_SIZE); // set transfer address and number of bytes. Start transfer.
                        }
                }
                                FpgaSetupSscDma((uint8_t *)dmaBuf, DMA_BUFFER_SIZE); // set transfer address and number of bytes. Start transfer.
                        }
                }
@@ -3121,7 +3165,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
                                uint8_t readerdata = (previous_data & 0xF0) | (*data >> 4);
                                if(MillerDecoding(readerdata, (sniffCounter-1)*4)) {
                                        LED_C_INV();
                                uint8_t readerdata = (previous_data & 0xF0) | (*data >> 4);
                                if(MillerDecoding(readerdata, (sniffCounter-1)*4)) {
                                        LED_C_INV();
-                                       if (MfSniffLogic(receivedCmd, Uart.len, Uart.parity, Uart.bitCount, TRUE)) break;
+                                       if (MfSniffLogic(receivedCmd, Uart.len, Uart.parity, Uart.bitCount, true)) break;
 
                                        /* And ready to receive another command. */
                                        UartInit(receivedCmd, receivedCmdPar);
 
                                        /* And ready to receive another command. */
                                        UartInit(receivedCmd, receivedCmdPar);
@@ -3137,7 +3181,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
                                if(ManchesterDecoding(tagdata, 0, (sniffCounter-1)*4)) {
                                        LED_C_INV();
 
                                if(ManchesterDecoding(tagdata, 0, (sniffCounter-1)*4)) {
                                        LED_C_INV();
 
-                                       if (MfSniffLogic(receivedResponse, Demod.len, Demod.parity, Demod.bitCount, FALSE)) break;
+                                       if (MfSniffLogic(receivedResponse, Demod.len, Demod.parity, Demod.bitCount, false)) break;
 
                                        // And ready to receive another response.
                                        DemodReset();
 
                                        // And ready to receive another response.
                                        DemodReset();
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