diff --git a/armsrc/Standalone/hf_bog.c b/armsrc/Standalone/hf_bog.c
index dc5c2e071..5e84d4cc1 100644
--- a/armsrc/Standalone/hf_bog.c
+++ b/armsrc/Standalone/hf_bog.c
@@ -217,12 +217,12 @@ void RAMFUNC SniffAndStore(uint8_t param) {
         if (DBGLEVEL > 1)
             Dbprintf("[!] Authentication attempts = %u", auth_attempts);
         size_t size = 4 * auth_attempts;
-        uint8_t *data = BigBuf_malloc(size);
+        uint8_t *buf = BigBuf_malloc(size);
 
         if (!exists_in_spiffs((char *)HF_BOG_LOGFILE)) {
-            rdv40_spiffs_write((char *)HF_BOG_LOGFILE, (uint8_t *)data, size, RDV40_SPIFFS_SAFETY_SAFE);
+            rdv40_spiffs_write((char *)HF_BOG_LOGFILE, buf, size, RDV40_SPIFFS_SAFETY_SAFE);
         } else {
-            rdv40_spiffs_append((char *)HF_BOG_LOGFILE, (uint8_t *)data, size, RDV40_SPIFFS_SAFETY_SAFE);
+            rdv40_spiffs_append((char *)HF_BOG_LOGFILE, buf, size, RDV40_SPIFFS_SAFETY_SAFE);
         }
     }
 
diff --git a/armsrc/Standalone/hf_colin.c b/armsrc/Standalone/hf_colin.c
index 6a0d9a19d..8efcb1003 100644
--- a/armsrc/Standalone/hf_colin.c
+++ b/armsrc/Standalone/hf_colin.c
@@ -857,7 +857,7 @@ int e_MifareECardLoad(uint32_t numofsectors, uint8_t keytype) {
             DbprintfEx(FLAG_NEWLINE, "Halt error");
     };
 
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
 
     FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 
@@ -894,12 +894,12 @@ int cjat91_saMifareChkKeys(uint8_t blockNo, uint8_t keyType, bool clearTrace, ui
             SpinDelayUs(AUTHENTICATION_TIMEOUT);
             continue;
         }
-        crypto1_destroy(pcs);
+        crypto1_deinit(pcs);
         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
         *key = ui64Key;
         return i;
     }
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
     FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 
     return -1;
diff --git a/armsrc/Standalone/hf_mattyrun.c b/armsrc/Standalone/hf_mattyrun.c
index bf13a39c0..9fff4a226 100644
--- a/armsrc/Standalone/hf_mattyrun.c
+++ b/armsrc/Standalone/hf_mattyrun.c
@@ -195,12 +195,12 @@ static int saMifareChkKeys(uint8_t blockNo, uint8_t keyType, bool clearTrace, ui
             SpinDelayUs(AUTHENTICATION_TIMEOUT);
             continue;
         }
-        crypto1_destroy(pcs);
+        crypto1_deinit(pcs);
         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
         *key = ui64Key;
         return i;
     }
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
     FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 
     return -1;
diff --git a/armsrc/Standalone/lf_hidbrute.c b/armsrc/Standalone/lf_hidbrute.c
index 48efcf119..7cae49a5b 100644
--- a/armsrc/Standalone/lf_hidbrute.c
+++ b/armsrc/Standalone/lf_hidbrute.c
@@ -65,7 +65,7 @@ void RunMod() {
             continue;
 
         // Button was held for a second, begin recording
-        if (button_pressed > 0 && cardRead == 0) {
+        if (cardRead == 0) {
             LEDsoff();
             LED(selected + 1, 0);
             LED(LED_D, 0);
diff --git a/armsrc/Standalone/lf_proxbrute.c b/armsrc/Standalone/lf_proxbrute.c
index 25d62cc2a..3cdfa6819 100644
--- a/armsrc/Standalone/lf_proxbrute.c
+++ b/armsrc/Standalone/lf_proxbrute.c
@@ -96,7 +96,7 @@ void RunMod() {
                 if (data_available()) break;
 
                 // Was our button held down or pressed?
-                int button_pressed = BUTTON_HELD(280);
+                button_pressed = BUTTON_HELD(280);
                 if (button_pressed != BUTTON_HOLD) break;
 
                 Dbprintf("[=] trying Facility = %08x ID %08x", high, i);
diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index e70b03cf8..84589ff00 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -365,14 +365,14 @@ void SendStatus(void) {
     Dbprintf("  Slow clock..............%d Hz", (16 * MAINCK) / mainf);
     uint32_t delta_time = 0;
     uint32_t start_time = GetTickCount();
-    #define SLCK_CHECK_MS 50
+#define SLCK_CHECK_MS 50
     SpinDelay(SLCK_CHECK_MS);
     delta_time = GetTickCountDelta(start_time);
     if ((delta_time < SLCK_CHECK_MS - 1) || (delta_time > SLCK_CHECK_MS + 1)) {
         // error > 2% with SLCK_CHECK_MS=50
         Dbprintf(_RED_("  Slow Clock speed change detected, TIA needed"));
         Dbprintf(_YELLOW_("  Slow Clock actual speed seems closer to %d kHz"),
-            (16 * MAINCK / 1000) / mainf * delta_time / SLCK_CHECK_MS);
+                 (16 * MAINCK / 1000) / mainf * delta_time / SLCK_CHECK_MS);
     }
     DbpString(_BLUE_("Installed StandAlone Mode"));
     ModInfo();
@@ -1591,7 +1591,7 @@ static void PacketReceived(PacketCommandNG *packet) {
             uint16_t offset = MIN(BIGBUF_SIZE - PM3_CMD_DATA_SIZE - 3, payload->offset);
 
             uint8_t *mem = BigBuf_get_addr();
-            memcpy(mem + offset, &payload->data, PM3_CMD_DATA_SIZE - 3);
+            memcpy(mem + offset, &payload->data, PM3_CMD_DATA_SIZE - 3 - offset);
             reply_ng(CMD_LF_UPLOAD_SIM_SAMPLES, PM3_SUCCESS, NULL, 0);
             break;
         }
@@ -1711,8 +1711,10 @@ static void PacketReceived(PacketCommandNG *packet) {
             strncpy((char *)src, token, sizeof(src) - 1);
             token = strtok(NULL, ",");
             strncpy((char *)dest, token, sizeof(dest) - 1);
-            if (DBGLEVEL > 1) Dbprintf("> Filename received as source for spiffs RENAME : %s", src);
-            if (DBGLEVEL > 1) Dbprintf("> Filename received as destination for spiffs RENAME : %s", dest);
+            if (DBGLEVEL > 1) {
+                Dbprintf("> Filename received as source for spiffs RENAME : %s", src);
+                Dbprintf("> Filename received as destination for spiffs RENAME : %s", dest);
+            }
             rdv40_spiffs_rename((char *) src, (char *)dest, RDV40_SPIFFS_SAFETY_SAFE);
             LED_B_OFF();
             break;
@@ -1727,8 +1729,10 @@ static void PacketReceived(PacketCommandNG *packet) {
             strncpy((char *)src, token, sizeof(src) - 1);
             token = strtok(NULL, ",");
             strncpy((char *)dest, token, sizeof(dest) - 1);
-            if (DBGLEVEL > 1) Dbprintf("> Filename received as source for spiffs COPY : %s", src);
-            if (DBGLEVEL > 1) Dbprintf("> Filename received as destination for spiffs COPY : %s", dest);
+            if (DBGLEVEL > 1) {
+                Dbprintf("> Filename received as source for spiffs COPY : %s", src);
+                Dbprintf("> Filename received as destination for spiffs COPY : %s", dest);
+            }
             rdv40_spiffs_copy((char *) src, (char *)dest, RDV40_SPIFFS_SAFETY_SAFE);
             LED_B_OFF();
             break;
@@ -1899,9 +1903,13 @@ static void PacketReceived(PacketCommandNG *packet) {
             break;
         }
         case CMD_TIA: {
+
+            while ((AT91C_BASE_PMC->PMC_MCFR & AT91C_CKGR_MAINRDY) == 0);       // Wait for MAINF value to become available...
             uint16_t mainf = AT91C_BASE_PMC->PMC_MCFR & AT91C_CKGR_MAINF;
             Dbprintf("  Slow clock old measured value:.........%d Hz", (16 * MAINCK) / mainf);
             TimingIntervalAcquisition();
+
+            while ((AT91C_BASE_PMC->PMC_MCFR & AT91C_CKGR_MAINRDY) == 0);       // Wait for MAINF value to become available...
             mainf = AT91C_BASE_PMC->PMC_MCFR & AT91C_CKGR_MAINF;
             Dbprintf(""); // first message gets lost
             Dbprintf("  Slow clock new measured value:.........%d Hz", (16 * MAINCK) / mainf);
diff --git a/armsrc/felica.c b/armsrc/felica.c
index 322d11327..4d9712a0d 100644
--- a/armsrc/felica.c
+++ b/armsrc/felica.c
@@ -111,7 +111,7 @@ static void shiftInByte(uint8_t bt) {
 static void Process18092Byte(uint8_t bt) {
     switch (FelicaFrame.state) {
         case STATE_UNSYNCD: {
-            //almost any nonzero byte can be start of SYNC. SYNC should be preceded by zeros, but that is not alsways the case
+            //almost any nonzero byte can be start of SYNC. SYNC should be preceded by zeros, but that is not always the case
             if (bt > 0) {
                 FelicaFrame.shiftReg = reflect8(bt);
                 FelicaFrame.state = STATE_TRYING_SYNC;
@@ -175,13 +175,11 @@ static void Process18092Byte(uint8_t bt) {
         }
         case STATE_GET_CRC: {
             shiftInByte(bt);
-
             if (FelicaFrame.rem_len <= 0) {
+                FelicaFrame.rem_len = 0;
                 // skip sync 2bytes. IF ok, residue should be 0x0000
                 FelicaFrame.crc_ok = check_crc(CRC_FELICA, FelicaFrame.framebytes + 2, FelicaFrame.len - 2);
                 FelicaFrame.state = STATE_FULL;
-                FelicaFrame.rem_len = 0;
-                if (DBGLEVEL > 3) Dbprintf("[+] got 2 crc bytes [%s]", (FelicaFrame.crc_ok) ? "OK" : "No");
             }
             break;
         }
@@ -194,6 +192,7 @@ static void Process18092Byte(uint8_t bt) {
 /* Perform FeliCa polling card
  * Currently does NOT do any collision handling.
  * It expects 0-1 cards in the device's range.
+ * return 0 if selection was successful
  */
 static uint8_t felica_select_card(felica_card_select_t *card) {
 
@@ -201,9 +200,9 @@ static uint8_t felica_select_card(felica_card_select_t *card) {
     // 0xB2 0x4B = sync code
     // 0x06 = len
     // 0x00 = rfu
-    // 0xff = system service
-    // 0xff = system service
-    // 0x00  =
+    // 0xff = system code service
+    // 0xff = system code service
+    // 0x00  = request code
     // b7    = automatic switching of data rate
     // b6-b2 = reserved
     // b1    = fc/32 (414kbps)
@@ -211,7 +210,6 @@ static uint8_t felica_select_card(felica_card_select_t *card) {
     // 0x00 = timeslot
     // 0x09 0x21 = crc
     static uint8_t poll[10] = {0xb2, 0x4d, 0x06, FELICA_POLL_REQ, 0xFF, 0xFF, 0x00, 0x00, 0x09, 0x21};
-
     int len = 20;
 
     // We try 20 times, or if answer was received.
@@ -222,7 +220,7 @@ static uint8_t felica_select_card(felica_card_select_t *card) {
         TransmitFor18092_AsReader(poll, sizeof(poll), NULL, 1, 0);
 
         // polling card, break if success
-        if (WaitForFelicaReply(512) && FelicaFrame.framebytes[3] == FELICA_POLL_ACK)
+        if (WaitForFelicaReply(1024) && FelicaFrame.framebytes[3] == FELICA_POLL_ACK)
             break;
 
         WDT_HIT();
@@ -230,17 +228,31 @@ static uint8_t felica_select_card(felica_card_select_t *card) {
     } while (--len);
 
     // timed-out
-    if (len == 0)
+    if (len == 0) {
+        if (DBGLEVEL > 3)
+            Dbprintf("Error: Time out card selection!");
         return 1;
+    }
 
     // wrong answer
-    if (FelicaFrame.framebytes[3] != FELICA_POLL_ACK)
+    if (FelicaFrame.framebytes[3] != FELICA_POLL_ACK) {
+        if (DBGLEVEL > 3)
+            Dbprintf("Error: Wrong answer selecting card!");
         return 2;
+    }
 
     // VALIDATE CRC   residue is 0, hence if crc is a value it failed.
-    if (!check_crc(CRC_FELICA, FelicaFrame.framebytes + 2, FelicaFrame.len - 2))
+    if (!check_crc(CRC_FELICA, FelicaFrame.framebytes + 2, FelicaFrame.len - 2)) {
+        if (DBGLEVEL > 3) {
+            Dbprintf("Error: CRC check failed!");
+            Dbprintf("CRC check was done on Frame: ");
+            Dbhexdump(FelicaFrame.len - 2, FelicaFrame.framebytes + 2, 0);
+        }
         return 3;
+    }
 
+    if (DBGLEVEL > 3)
+        Dbprintf("Card selection successful!");
     // copy UID
     // idm 8
     if (card) {
@@ -251,7 +263,10 @@ static uint8_t felica_select_card(felica_card_select_t *card) {
         memcpy(card->uid, card->IDm + 2, 6);
         memcpy(card->iccode, card->PMm, 2);
         memcpy(card->mrt, card->PMm + 2, 6);
-
+        if (DBGLEVEL > 3) {
+            Dbprintf("Received Frame: ");
+            Dbhexdump(FelicaFrame.len, FelicaFrame.framebytes, 0);
+        }
     }
     // more status bytes?
     return 0;
@@ -349,10 +364,13 @@ static void TransmitFor18092_AsReader(uint8_t *frame, int len, uint32_t *timing,
             c++;
         }
     }
-    // sending sync code
-
-    // sending data
+    // sending data with sync bytes
     c = 0;
+    if (DBGLEVEL > 3) {
+        Dbprintf("Sending frame:");
+        Dbhexdump(len, frame, 0);
+    }
+
     while (c < len) {
 
         // Put byte into tx holding register as soon as it is ready
@@ -386,22 +404,22 @@ static void TransmitFor18092_AsReader(uint8_t *frame, int len, uint32_t *timing,
 // stop when button is pressed
 // or return TRUE when command is captured
 bool WaitForFelicaReply(uint16_t maxbytes) {
-
+    if (DBGLEVEL > 3)
+        Dbprintf("WaitForFelicaReply Start");
     uint32_t c = 0;
-
     // power, no modulation
     FpgaWriteConfWord(FPGA_MAJOR_MODE_ISO18092 | FPGA_HF_ISO18092_FLAG_READER | FPGA_HF_ISO18092_FLAG_NOMOD);
-
     FelicaFrameReset();
 
     // clear RXRDY:
     uint8_t b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
-    (void)b;
-
     uint32_t timeout = iso18092_get_timeout();
+    if (DBGLEVEL > 3)
+        Dbprintf("timeout set: %i", timeout);
+    //TODO FIX THIS METHOD - Race Condition or something: TIMING/MEMORY ISSUES
+    // If you add content here (dbprintf), timing problems appear?! Last Bytes (CRC) of frame will be cutoff.
     for (;;) {
         WDT_HIT();
-
         if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) {
             b = (uint8_t)(AT91C_BASE_SSC->SSC_RHR);
             Process18092Byte(b);
@@ -410,8 +428,7 @@ bool WaitForFelicaReply(uint16_t maxbytes) {
                     MAX(
                         felica_nexttransfertime,
                         (GetCountSspClk() & 0xfffffff8) - (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER) / 16 + FELICA_FRAME_DELAY_TIME
-                    )
-                    ;
+                    );
 
                 LogTrace(
                     FelicaFrame.framebytes,
@@ -421,22 +438,20 @@ bool WaitForFelicaReply(uint16_t maxbytes) {
                     NULL,
                     false
                 );
+                if (DBGLEVEL > 3) Dbprintf("All bytes received! STATE_FULL");
                 return true;
             } else if (c++ > timeout && FelicaFrame.state == STATE_UNSYNCD) {
+                if (DBGLEVEL > 3) Dbprintf("Error: Timeout! STATE_UNSYNCD");
                 return false;
-            } else if (FelicaFrame.state == STATE_GET_CRC) {
-                Dbprintf(" Frame: ");
-                Dbhexdump(16, FelicaFrame.framebytes, 0);
-                //return false;
             }
         }
     }
-    return false;
 }
 
 // Set up FeliCa communication (similar to iso14443a_setup)
 // field is setup for "Sending as Reader"
 static void iso18092_setup(uint8_t fpga_minor_mode) {
+    if (DBGLEVEL > 3) Dbprintf("Start iso18092_setup");
 
     LEDsoff();
     FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
@@ -474,6 +489,14 @@ static void iso18092_setup(uint8_t fpga_minor_mode) {
 
     LED_D_ON();
 }
+
+void felica_reset_frame_mode() {
+    switch_off();
+    //Resetting Frame mode (First set in fpgaloader.c)
+    AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(8) | AT91C_SSC_MSBF | SSC_FRAME_MODE_WORDS_PER_TRANSFER(0);
+}
+
+
 //-----------------------------------------------------------------------------
 // RAW FeliCa commands. Send out commands and store answers.
 //-----------------------------------------------------------------------------
@@ -481,7 +504,6 @@ static void iso18092_setup(uint8_t fpga_minor_mode) {
 // arg1 len of commandbytes
 // d.asBytes command bytes to send
 void felica_sendraw(PacketCommandNG *c) {
-
     if (DBGLEVEL > 3) Dbprintf("FeliCa_sendraw Enter");
 
     felica_command_t param = c->oldarg[0];
@@ -492,21 +514,26 @@ void felica_sendraw(PacketCommandNG *c) {
     felica_card_select_t card;
 
     if ((param & FELICA_CONNECT))
-        clear_trace();
+        if (DBGLEVEL > 3) Dbprintf("Clear trace");
+    clear_trace();
 
     set_tracing(true);
+    iso18092_setup(FPGA_HF_ISO18092_FLAG_READER | FPGA_HF_ISO18092_FLAG_NOMOD);
 
     if ((param & FELICA_CONNECT)) {
-        iso18092_setup(FPGA_HF_ISO18092_FLAG_READER | FPGA_HF_ISO18092_FLAG_NOMOD);
-
         // notify client selecting status.
         // if failed selecting, turn off antenna and quite.
         if (!(param & FELICA_NO_SELECT)) {
             arg0 = felica_select_card(&card);
-            reply_old(CMD_ACK, arg0, sizeof(card.uid), 0, &card, sizeof(felica_card_select_t));
-            if (arg0 > 0)
-                goto OUT;
+            reply_mix(CMD_ACK, arg0, sizeof(card.uid), 0, &card, sizeof(felica_card_select_t));
+            if (arg0 > 0) {
+                if (DBGLEVEL >=  DBG_DEBUG) Dbprintf("Error: Failed selecting card! ");
+                felica_reset_frame_mode();
+                return;
+            }
         }
+    } else {
+        if (DBGLEVEL > 3) Dbprintf("No card selection");
     }
 
     if ((param & FELICA_RAW)) {
@@ -527,22 +554,29 @@ void felica_sendraw(PacketCommandNG *c) {
                 AddCrc(buf, len);
             }
         }
-
+        if (DBGLEVEL > 3) {
+            Dbprintf("Transmit Frame (no CRC shown):");
+            Dbhexdump(len, buf, 0);
+            Dbprintf("Buffer Length: %i", buf[2] + 4);
+        };
         TransmitFor18092_AsReader(buf, buf[2] + 4, NULL, 1, 0);
-        arg0 = !WaitForFelicaReply(1024);
-        reply_old(CMD_ACK, arg0, 0, 0, FelicaFrame.framebytes + 2, FelicaFrame.len - 2);
+        arg0 = WaitForFelicaReply(1024);
+        if (DBGLEVEL > 3) {
+            Dbprintf("Received Frame Code: %d", arg0);
+            Dbhexdump(FelicaFrame.len, FelicaFrame.framebytes, 0);
+        };
+        uint32_t result = reply_mix(CMD_ACK, FelicaFrame.len, arg0, 0, FelicaFrame.framebytes, FelicaFrame.len);
+        if (result) {
+            Dbprintf("Reply to Client Error Code: %i", result);
+        }
     }
-
-    if ((param & FELICA_NO_DISCONNECT))
-        return;
-
-OUT:
-    switch_off();
-
-    //Resetting Frame mode (First set in fpgaloader.c)
-    AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(8) | AT91C_SSC_MSBF | SSC_FRAME_MODE_WORDS_PER_TRANSFER(0);
-
-    if (DBGLEVEL > 3) Dbprintf("FeliCa_sendraw Exit");
+    if ((param & FELICA_NO_DISCONNECT)) {
+        Dbprintf("Disconnect");
+    }
+    if (DBGLEVEL > 3)
+        Dbprintf("FeliCa_sendraw Exit");
+    felica_reset_frame_mode();
+    return;
 }
 
 void felica_sniff(uint32_t samplesToSkip, uint32_t triggersToSkip) {
@@ -581,7 +615,7 @@ void felica_sniff(uint32_t samplesToSkip, uint32_t triggersToSkip) {
             //crc NOT checked
             if (FelicaFrame.state == STATE_FULL) {
                 endframe = GetCountSspClk();
-                //*dest = FelicaFrame.crc_ok; //kind of wasteful
+                // *dest = FelicaFrame.crc_ok; //kind of wasteful
                 dest++;
                 for (int i = 0; i < FelicaFrame.len; i++) {
                     *dest = FelicaFrame.framebytes[i];
@@ -722,8 +756,102 @@ void felica_sim_lite(uint64_t uid) {
     DbpString("Felica Lite-S sim end");
 }
 
-void felica_dump_lite_s() {
+#define RES_SVC_LEN 11 + 3
 
+void felica_dump() {
+    uint8_t ndef[8];
+    uint8_t poll[10] = { 0xb2, 0x4d, 0x06, FELICA_POLL_REQ, 0xff, 0xff, 0x00, 0x00, 0x09, 0x21}; // B24D0600FFFF00000921
+    iso18092_setup(FPGA_HF_ISO18092_FLAG_READER | FPGA_HF_ISO18092_FLAG_NOMOD);
+
+    TransmitFor18092_AsReader(poll, 10, NULL, 1, 0);
+
+    // iceman, no exit path in this loop
+    while (!BUTTON_PRESS() && !data_available()) {
+        WDT_HIT();
+        TransmitFor18092_AsReader(poll, 10, NULL, 1, 0);
+        if (WaitForFelicaReply(512) && FelicaFrame.framebytes[3] == FELICA_POLL_ACK) {
+            memcpy(ndef, FelicaFrame.framebytes + 4, 8);
+            uint8_t *request_service = felica_create_request_service_frame(0x01, ndef);
+            felica_send_request_service(request_service);
+        }
+    }
+
+}
+
+void felica_send_request_service(uint8_t *request_service) {
+    Dbprintf("Send Service Request - len: d%", RES_SVC_LEN);
+    TransmitFor18092_AsReader(request_service, RES_SVC_LEN, NULL, 1, 0);
+    if (WaitForFelicaReply(512) && FelicaFrame.framebytes[3] == FELICA_REQSRV_ACK) {
+        Dbprintf("Got Service Response!");
+    }
+}
+
+/* Create Request Service Frame
+// Use this command to verify the existence of Area and Service, and to acquire Key Version.
+// When the specified Area or Service exists, the card returns Key Version.
+// When the specified Area or Service does not exist, the card returns FFFFh as Key Version.
+*/
+uint8_t *felica_create_request_service_frame(uint8_t nodeNumber, uint8_t *idm) {
+    if (nodeNumber < 1 && nodeNumber > 32) {
+        Dbprintf("Node number out of range: 1 <= %d <= 32 - set node number to 1");
+        nodeNumber = 1;
+    }
+    // Sync 2-Byte, Length 1-Byte, CMD 1-Byte, IDm 8-Byte, nodeNumber 1 <= n <= 32 1-Byte, Node Code List <Little Endian>
+    uint8_t *request_service = BigBuf_malloc(sizeof(uint8_t) * RES_SVC_LEN);
+    //{ 0xb2, 0x4d, 0x06, FELICA_REQSRV_REQ, 0xff, 0xff, 0x00, 0x00, 0x09, 0x21};
+    request_service[0] = 0xb2; //Sync
+    request_service[1] = 0x4d; //Sync
+    request_service[2] = 0x0B; // Length
+    request_service[3] = FELICA_REQSRV_REQ; // CMD
+    request_service[4] = idm[0];
+    request_service[5] = idm[1];
+    request_service[6] = idm[2];
+    request_service[7] = idm[3];
+    request_service[8] = idm[4];
+    request_service[9] = idm[5];
+    request_service[10] = idm[6];
+    request_service[11] = idm[7];
+    request_service[12] = nodeNumber; // Node we like to ask for services
+    request_service[13] = 0x00; // Node Code List // TODO FIND OUT WHAT NEEDS TO BE IN HERE
+    return request_service;
+}
+
+// Create Frame for authentication1 CMD
+void felica_create_authentication1_frame() {
+
+}
+
+// Create Frame for authentication2 CMD
+void felica_create_authentication2_frame() {
+
+}
+
+// Create a Frame for Read without encryption CMD as Payload
+void felica_create_read_block_frame(uint16_t blockNr) {
+    if (blockNr < 1 || blockNr > 567) {
+        Dbprintf("Block number out of range!");
+        return;
+    }
+    uint8_t c = 0;
+    // First Byte of SYNC
+    frameSpace[c++] = 0xb2;
+    frameSpace[c++] = 0x4d;
+    // skip Length of Frame
+    c++;
+    // Payload
+    frameSpace[c++] = FELICA_RDBLK_REQ; //command number
+
+    // Set frame length
+
+    // CRC
+}
+
+void felica_read_block(uint8_t *idm, uint16_t blockNr) {
+
+
+}
+
+void felica_dump_lite_s() {
     uint8_t ndef[8];
     uint8_t poll[10] = { 0xb2, 0x4d, 0x06, FELICA_POLL_REQ, 0xff, 0xff, 0x00, 0x00, 0x09, 0x21};
     uint16_t liteblks[28] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x90, 0x91, 0x92, 0xa0};
diff --git a/armsrc/felica.h b/armsrc/felica.h
index ef34dc108..7bbc48614 100644
--- a/armsrc/felica.h
+++ b/armsrc/felica.h
@@ -18,5 +18,12 @@ void felica_sendraw(PacketCommandNG *c);
 void felica_sniff(uint32_t samplesToSkip, uint32_t triggersToSkip);
 void felica_sim_lite(uint64_t uid);
 void felica_dump_lite_s();
+void felica_dump();
+void felica_create_read_block_frame(uint16_t blockNr);
+void felica_create_authentication1_frame();
+void felica_create_authentication2_frame();
+void felica_send_request_service(uint8_t *request_service);
+void felica_reset_frame_mode();
+uint8_t *felica_create_request_service_frame(uint8_t nodeNumber, uint8_t *idm);
 
 #endif
diff --git a/armsrc/frozen.h b/armsrc/frozen.h
index beb6c5f44..a81522a64 100644
--- a/armsrc/frozen.h
+++ b/armsrc/frozen.h
@@ -201,8 +201,8 @@ int json_printf_array(struct json_out *, va_list *ap);
  * Return number of elements successfully scanned & converted.
  * Negative number means scan error.
  */
-int json_scanf(const char *str, int str_len, const char *fmt, ...);
-int json_vscanf(const char *str, int str_len, const char *fmt, va_list ap);
+int json_scanf(const char *str, int len, const char *fmt, ...);
+int json_vscanf(const char *str, int len, const char *fmt, va_list ap);
 
 /* json_scanf's %M handler  */
 typedef void (*json_scanner_t)(const char *str, int len, void *user_data);
@@ -234,7 +234,7 @@ int json_escape(struct json_out *out, const char *str, size_t str_len);
  * Read the whole file in memory.
  * Return malloc-ed file content, or NULL on error. The caller must free().
  */
-char *json_fread(const char *file_name);
+char *json_fread(const char *path);
 
 /*
  * Update given JSON string `s,len` by changing the value at given `json_path`.
diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 042e5edbc..a298af4a9 100644
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -1235,8 +1235,8 @@ void CmdAWIDdemodFSK(int findone, uint32_t *high, uint32_t *low, int ledcontrol)
 
     uint8_t *dest = BigBuf_get_addr();
 
-    //big enough to catch 2 sequences of largest format
-    size_t size = 12800; //50 * 128 * 2;
+    //big enough to catch 2 sequences of largest format but don't exeed whats available in bigbuff.
+    size_t size = MIN(12800, BigBuf_max_traceLen()); //50 * 128 * 2;
 
     int dummyIdx = 0;
 
@@ -1544,13 +1544,12 @@ void T55xxWriteBit(uint8_t bit, uint8_t downlink_idx) {
 // max_len      - how many bytes can the bit_array hold (ensure no buffer overflow)
 // returns "Next" bit offset / bits stored (for next store)
 uint8_t T55xx_SetBits(uint8_t *bs, uint8_t start_offset, uint32_t data, uint8_t num_bits, uint8_t max_len) {
-    int8_t offset;
     int8_t next_offset = start_offset;
 
     // Check if data will fit.
     if ((start_offset + num_bits) <= (max_len * 8)) {
         // Loop through the data and store
-        for (offset = (num_bits - 1); offset >= 0; offset--) {
+        for (int8_t offset = (num_bits - 1); offset >= 0; offset--) {
 
             if ((data >> offset) & 1)
                 bs[BITSTREAM_BYTE(next_offset)] |= (1 << BITSTREAM_BIT(next_offset));  // Set 1
diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index b0b7c95ab..f5e3fe961 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -103,7 +103,7 @@ void MifareReadBlock(uint8_t blockNo, uint8_t keyType, uint8_t *datain) {
         break;
     }
 
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
 
     if (DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");
 
@@ -264,7 +264,7 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t *datain) {
 
     if (DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");
 
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
 
     LED_B_ON();
     reply_old(CMD_ACK, isOK, 0, 0, dataoutbuf, 16 * NumBlocksPerSector(sectorNo));
@@ -430,7 +430,7 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) {
         break;
     }
 
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
 
     if (DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
 
@@ -847,7 +847,7 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
     }
 
     LED_C_OFF();
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
     LED_B_ON();
     reply_old(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));
     LED_B_OFF();
@@ -1061,7 +1061,7 @@ void MifareNested(uint8_t blockNo, uint8_t keyType, uint8_t targetBlockNo, uint8
 
     LED_C_OFF();
 
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
 
     struct p {
         int16_t isOK;
@@ -1510,7 +1510,7 @@ void MifareChkKeys_fast(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *da
 OUT:
     LEDsoff();
 
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
 
     // All keys found, send to client, or last keychunk from client
     if (foundkeys == allkeys || lastchunk) {
@@ -1660,7 +1660,7 @@ void MifareChkKeys(uint8_t *datain) {
     LEDsoff();
 
     set_tracing(false);
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
 }
 
 //-----------------------------------------------------------------------------
@@ -1780,7 +1780,7 @@ int MifareECardLoad(uint8_t numSectors, uint8_t keyType) {
     if (DBGLEVEL >= DBG_INFO) DbpString("Emulator fill sectors finished");
 
 out:
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
     FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
     LEDsoff();
     set_tracing(false);
@@ -2110,7 +2110,7 @@ void MifareSetMod(uint8_t *datain) {
         break;
     }
 
-    crypto1_destroy(pcs);
+    crypto1_deinit(pcs);
 
     LED_B_ON();
     reply_ng(CMD_HF_MIFARE_SETMOD, isOK, NULL, 0);
diff --git a/armsrc/mifaresim.c b/armsrc/mifaresim.c
index cdd8b556d..b055be6c7 100644
--- a/armsrc/mifaresim.c
+++ b/armsrc/mifaresim.c
@@ -571,7 +571,7 @@ void Mifare1ksim(uint16_t flags, uint8_t exitAfterNReads, uint8_t *datain, uint1
             EmSendPrecompiledCmd(&responses[ATQA]);
 
             // init crypto block
-            crypto1_destroy(pcs);
+            crypto1_deinit(pcs);
             cardAUTHKEY = AUTHKEYNONE;
             nonce = prng_successor(selTimer, 32);
             // prepare NT for nested authentication
@@ -743,10 +743,10 @@ void Mifare1ksim(uint16_t flags, uint8_t exitAfterNReads, uint8_t *datain, uint1
                     if (DBGLEVEL >= DBG_EXTENDED) Dbprintf("[MFEMUL_WORK] KEY %c: %012" PRIx64, (cardAUTHKEY == 0) ? 'A' : 'B', emlGetKey(cardAUTHSC, cardAUTHKEY));
 
                     // first authentication
-                    crypto1_destroy(pcs);
+                    crypto1_deinit(pcs);
 
                     // Load key into crypto
-                    crypto1_create(pcs, emlGetKey(cardAUTHSC, cardAUTHKEY));
+                    crypto1_init(pcs, emlGetKey(cardAUTHSC, cardAUTHKEY));
 
                     if (!encrypted_data) {
                         // Receive Cmd in clear txt
diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index ca112f1f8..3ccf25737 100644
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -149,10 +149,10 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
 
     //  ----------------------------- crypto1 create
     if (isNested)
-        crypto1_destroy(pcs);
+        crypto1_deinit(pcs);
 
     // Init cipher with key
-    crypto1_create(pcs, ui64Key);
+    crypto1_init(pcs, ui64Key);
 
     if (isNested == AUTH_NESTED) {
         // decrypt nt with help of new key
@@ -276,7 +276,7 @@ int mifare_ultra_auth(uint8_t *keybytes) {
     uint8_t respPar[3] = {0, 0, 0};
 
     // REQUEST AUTHENTICATION
-    len = mifare_sendcmd_short(NULL, 1, MIFARE_ULC_AUTH_1, 0x00, resp, respPar, NULL);
+    len = mifare_sendcmd_short(NULL, CRYPT_NONE, MIFARE_ULC_AUTH_1, 0x00, resp, respPar, NULL);
     if (len != 11) {
         if (DBGLEVEL >= DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);
         return 0;
@@ -351,7 +351,7 @@ int mifare_ultra_readblockEx(uint8_t blockNo, uint8_t *blockData) {
     uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};
     uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};
 
-    len = mifare_sendcmd_short(NULL, 1, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);
+    len = mifare_sendcmd_short(NULL, CRYPT_NONE, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);
     if (len == 1) {
         if (DBGLEVEL >= DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
         return 1;
@@ -444,7 +444,7 @@ int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) {
     uint8_t receivedAnswer[MAX_FRAME_SIZE];
     uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
 
-    len = mifare_sendcmd_short(NULL, true, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);
+    len = mifare_sendcmd_short(NULL, CRYPT_NONE, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);
 
     if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK
         if (DBGLEVEL >= DBG_ERROR)
diff --git a/armsrc/spiffs.c b/armsrc/spiffs.c
index f242062be..87321148d 100644
--- a/armsrc/spiffs.c
+++ b/armsrc/spiffs.c
@@ -543,7 +543,7 @@ void rdv40_spiffs_safe_print_fsinfo() {
     rdv40_spiffs_getfsinfo(&fsinfo, RDV40_SPIFFS_SAFETY_SAFE);
 
     DbpString(_BLUE_("Flash Memory FileSystem Info (SPIFFS)"));
-    
+
 
     Dbprintf("  Logical Block Size........." _YELLOW_("%d")"bytes", fsinfo.blockSize);
     Dbprintf("  Logical Page Size.........." _YELLOW_("%d")"bytes", fsinfo.pageSize);
@@ -573,7 +573,7 @@ void rdv40_spiffs_safe_print_tree(uint8_t banner) {
         DbpString(_BLUE_("Flash Memory FileSystem tree (SPIFFS)"));
         Dbprintf("-------------------------------------");
     }
-    
+
     int changed = rdv40_spiffs_lazy_mount();
     spiffs_DIR d;
     struct spiffs_dirent e;
@@ -614,7 +614,7 @@ void test_spiffs() {
 
     Dbprintf("  Printing tree..............");
     rdv40_spiffs_safe_print_tree(false);
-    
+
     Dbprintf("  Writing 'I love Proxmark3 RDV4' in a testspiffs.txt");
 
     // Since We lazy_mounted manually before hand, the wrte safety level will
diff --git a/armsrc/thinfilm.c b/armsrc/thinfilm.c
index bd8e696fb..46fa5a920 100644
--- a/armsrc/thinfilm.c
+++ b/armsrc/thinfilm.c
@@ -63,7 +63,7 @@ static void CodeThinfilmAsTag(const uint8_t *cmd, uint16_t len) {
     for (uint16_t i = 0; i < len; i++) {
         uint8_t b = cmd[i];
         for (uint8_t j = 0; j < 8; j++) {
-            ToSend[++ToSendMax] = b & 0x80 ? SEC_D : SEC_E;
+            ToSend[++ToSendMax] = (b & 0x80) ? SEC_D : SEC_E;
             b <<= 1;
         }
     }
diff --git a/client/cmddata.c b/client/cmddata.c
index 9bd18eb90..80c3bf076 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -1872,7 +1872,7 @@ int CmdPlot(const char *Cmd) {
     return PM3_SUCCESS;
 }
 
-static int CmdSave(const char *Cmd) {
+int CmdSave(const char *Cmd) {
 
     int len = 0;
     char filename[FILE_PATH_SIZE] = {0x00};
diff --git a/client/cmddata.h b/client/cmddata.h
index a453fafb1..a4bba407c 100644
--- a/client/cmddata.h
+++ b/client/cmddata.h
@@ -53,6 +53,7 @@ int CmdHpf(const char *Cmd);
 int CmdLtrim(const char *Cmd);                                                                  // used by cmd lf em4x, lf t55xx
 int CmdNorm(const char *Cmd);                                                                   // used by cmd lf data (!)
 int CmdPlot(const char *Cmd);                                                                   // used by cmd lf cotag
+int CmdSave(const char *Cmd);                                                                   // used by cmd auto
 int CmdTuneSamples(const char *Cmd);                                                            // used by cmd lf hw
 int ASKbiphaseDemod(const char *Cmd, bool verbose);                                             // used by cmd lf em4x, lf fdx, lf guard, lf jablotron, lf nedap, lf t55xx
 int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType);                    // used by cmd lf em4x, lf t55xx, lf viking
diff --git a/client/cmdhf.c b/client/cmdhf.c
index 85612f428..9166b01ca 100644
--- a/client/cmdhf.c
+++ b/client/cmdhf.c
@@ -70,6 +70,8 @@ static int usage_hf_tune() {
     return PM3_SUCCESS;
 }
 
+#define PROMPT_CLEARLINE PrintAndLogEx(INPLACE, "                                          ")
+
 int CmdHFSearch(const char *Cmd) {
 
     char cmdp = tolower(param_getchar(Cmd, 0));
@@ -77,6 +79,7 @@ int CmdHFSearch(const char *Cmd) {
 
     PrintAndLogEx(INFO, "Checking for known tags...\n");
 
+    PROMPT_CLEARLINE;
     PrintAndLogEx(INPLACE, "Searching for ThinFilm tag...");
     if (IfPm3NfcBarcode()) {
         if (infoThinFilm(false) == PM3_SUCCESS) {
@@ -85,6 +88,7 @@ int CmdHFSearch(const char *Cmd) {
         }
     }
 
+    PROMPT_CLEARLINE;
     PrintAndLogEx(INPLACE, "Searching for ISO14443-A tag...");
     if (IfPm3Iso14443a()) {
         if (infoHF14A(false, false) > 0) {
@@ -93,6 +97,7 @@ int CmdHFSearch(const char *Cmd) {
         }
     }
 
+    PROMPT_CLEARLINE;
     PrintAndLogEx(INPLACE, "Searching for ISO15693 tag...");
     if (IfPm3Iso15693()) {
         if (readHF15Uid(false) == 1) {
@@ -104,6 +109,7 @@ int CmdHFSearch(const char *Cmd) {
         DropField();
     }
 
+    PROMPT_CLEARLINE;
     PrintAndLogEx(INPLACE, "Searching for LEGIC tag...");
     if (IfPm3Legicrf()) {
         if (readLegicUid(false) == PM3_SUCCESS) {
@@ -112,6 +118,7 @@ int CmdHFSearch(const char *Cmd) {
         }
     }
 
+    PROMPT_CLEARLINE;
     PrintAndLogEx(INPLACE, "Searching for Topaz tag...");
     if (IfPm3Iso14443a()) {
         if (readTopazUid() == PM3_SUCCESS) {
@@ -120,7 +127,17 @@ int CmdHFSearch(const char *Cmd) {
         }
     }
 
+    PROMPT_CLEARLINE;
+    PrintAndLogEx(INPLACE, "Searching for FeliCa tag...");
+    if (IfPm3Felica()) {
+        if (readFelicaUid(false) == PM3_SUCCESS) {
+            PrintAndLogEx(NORMAL, "\nValid " _GREEN_("ISO18092 / FeliCa tag") " found\n");
+            return PM3_SUCCESS;
+        }
+    }
+
     // 14b and iclass is the longest test (put last)
+    PROMPT_CLEARLINE;
     PrintAndLogEx(INPLACE, "Searching for ISO14443-B tag...");
     if (IfPm3Iso14443a()) {
         if (readHF14B(false) == 1) {
@@ -129,6 +146,7 @@ int CmdHFSearch(const char *Cmd) {
         }
     }
 
+    PROMPT_CLEARLINE;
     PrintAndLogEx(INPLACE, "Searching for iClass / PicoPass tag...");
     if (IfPm3Iclass()) {
         if (readIclass(false, false) == 1) {
@@ -137,17 +155,6 @@ int CmdHFSearch(const char *Cmd) {
         }
     }
 
-
-//    PrintAndLogEx(INPLACE, "Searching for FeliCa tag...");
-    //if (IfPm3Felica()) {
-    //    ans = CmdHFFelicaReader("s");
-    //    if (ans) {
-    //        PrintAndLogEx(NORMAL, "\nValid " _GREEN_("ISO18092 / FeliCa tag") " found\n");
-    //        return ans;
-    //    }
-    //}
-
-
     PrintAndLogEx(INPLACE, "No known/supported 13.56 MHz tags found");
     PrintAndLogEx(NORMAL, "");
     return PM3_ESOFT;
diff --git a/client/cmdhffelica.c b/client/cmdhffelica.c
index 333498f37..1fa5b035d 100644
--- a/client/cmdhffelica.c
+++ b/client/cmdhffelica.c
@@ -36,9 +36,10 @@ static int usage_hf_felica_sim(void) {
     PrintAndLogEx(NORMAL, "    v     : (Optional) Verbose");
     PrintAndLogEx(NORMAL, "Examples:");
     PrintAndLogEx(NORMAL, "          hf felica sim t 1 ");
-    return 0;
+    return PM3_SUCCESS;
 }
 */
+
 static int usage_hf_felica_sniff(void) {
     PrintAndLogEx(NORMAL, "It get data from the field and saves it into command buffer.");
     PrintAndLogEx(NORMAL, "Buffer accessible from command 'hf list felica'");
@@ -47,7 +48,7 @@ static int usage_hf_felica_sniff(void) {
     PrintAndLogEx(NORMAL, "      t       triggers to skip (decimal)");
     PrintAndLogEx(NORMAL, "Examples:");
     PrintAndLogEx(NORMAL, "          hf felica sniff s 1000");
-    return 0;
+    return PM3_SUCCESS;
 }
 static int usage_hf_felica_simlite(void) {
     PrintAndLogEx(NORMAL, "\n Emulating ISO/18092 FeliCa Lite tag \n");
@@ -57,7 +58,7 @@ static int usage_hf_felica_simlite(void) {
     PrintAndLogEx(NORMAL, "    uid   : UID in hexsymbol");
     PrintAndLogEx(NORMAL, "Examples:");
     PrintAndLogEx(NORMAL, "          hf felica litesim 11223344556677");
-    return 0;
+    return PM3_SUCCESS;
 }
 static int usage_hf_felica_dumplite(void) {
     PrintAndLogEx(NORMAL, "\n Dump ISO/18092 FeliCa Lite tag \n");
@@ -67,7 +68,7 @@ static int usage_hf_felica_dumplite(void) {
     PrintAndLogEx(NORMAL, "    h     : This help");
     PrintAndLogEx(NORMAL, "Examples:");
     PrintAndLogEx(NORMAL, "          hf felica litedump");
-    return 0;
+    return PM3_SUCCESS;
 }
 static int usage_hf_felica_raw(void) {
     PrintAndLogEx(NORMAL, "Usage: hf felica raw [-h] [-r] [-c] [-p] [-a] <0A 0B 0C ... hex>");
@@ -77,20 +78,30 @@ static int usage_hf_felica_raw(void) {
     PrintAndLogEx(NORMAL, "       -p    leave the signal field ON after receive");
     PrintAndLogEx(NORMAL, "       -a    active signal field ON without select");
     PrintAndLogEx(NORMAL, "       -s    active signal field ON with select");
-    return 0;
+    return PM3_SUCCESS;
+}
+
+static int usage_hf_felica_dump(void) {
+    PrintAndLogEx(NORMAL, "Usage: hf felica dump [-h] <outputfile>");
+    PrintAndLogEx(NORMAL, "       -h    this help");
+    return PM3_SUCCESS;
 }
 
 static int CmdHFFelicaList(const char *Cmd) {
     (void)Cmd; // Cmd is not used so far
     //PrintAndLogEx(NORMAL, "Deprecated command, use 'hf list felica' instead");
     CmdTraceList("felica");
-    return 0;
+    return PM3_SUCCESS;
 }
 
 static int CmdHFFelicaReader(const char *Cmd) {
-    bool verbose = !(Cmd[0] == 's' || Cmd[0] ==  'S');
-    readFelicaUid(verbose);
-    return 0;
+    bool verbose = !(tolower(Cmd[0]) == 's');
+    return readFelicaUid(verbose);
+}
+
+static int CmdHFFelicaDump(const char *Cmd) {
+    if (strlen(Cmd) < 1) return usage_hf_felica_dump();
+    return dump(*Cmd);
 }
 
 // simulate iso18092 / FeliCa tag
@@ -156,7 +167,7 @@ static int CmdHFFelicaSim(const char *Cmd) {
     while (!kbd_enter_pressed()) {
         if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) continue;
     }
-    return 0;
+    return PM3_SUCCESS;
 }
 */
 
@@ -193,7 +204,7 @@ static int CmdHFFelicaSniff(const char *Cmd) {
 
     clearCommandBuffer();
     SendCommandMIX(CMD_HF_FELICA_SNIFF, samples2skip, triggers2skip, 0, NULL, 0);
-    return 0;
+    return PM3_SUCCESS;
 }
 
 // uid  hex
@@ -206,7 +217,7 @@ static int CmdHFFelicaSimLite(const char *Cmd) {
 
     clearCommandBuffer();
     SendCommandMIX(CMD_HF_FELICALITE_SIMULATE, uid, 0, 0, NULL, 0);
-    return 0;
+    return PM3_SUCCESS;
 }
 
 static void printSep() {
@@ -351,7 +362,7 @@ static uint16_t PrintFliteBlock(uint16_t tracepos, uint8_t *trace, uint16_t trac
             PrintAndLogEx(NORMAL,  "Authenticated: %s", trace[3] ? "yes" : "no");
             break;
         case 0xa0:
-            PrintAndLogEx(NORMAL,  "CRC of all bloacks match : %s", (trace[3 + 2] == 0xff) ? "no" : "yes");
+            PrintAndLogEx(NORMAL,  "CRC of all blocks match : %s", (trace[3 + 2] == 0xff) ? "no" : "yes");
             break;
         default:
             PrintAndLogEx(WARNING,  "INVALID %d: %s", blocknum, line);
@@ -379,36 +390,38 @@ static int CmdHFFelicaDumpLite(const char *Cmd) {
         if (kbd_enter_pressed()) {
             PrintAndLogEx(WARNING, "\n[!] aborted via keyboard!\n");
             DropField();
-            return 1;
+            return PM3_EOPABORTED;
         }
         if (timeout > 100) {
             PrintAndLogEx(WARNING, "timeout while waiting for reply.");
             DropField();
-            return 1;
+            return PM3_ETIMEOUT;
         }
     }
     if (resp.oldarg[0] == 0) {
         PrintAndLogEx(WARNING, "\nButton pressed. Aborted.");
-        return 1;
+        return PM3_EOPABORTED;
     }
 
     uint32_t tracelen = resp.oldarg[1];
-    if (tracelen == 0)
-        return 1;
+    if (tracelen == 0) {
+        PrintAndLogEx(WARNING, "\nNo trace data! Maybe not a FeliCa Lite card?");
+        return PM3_ESOFT;
+    }
 
     uint8_t *trace = calloc(tracelen, sizeof(uint8_t));
     if (trace == NULL) {
         PrintAndLogEx(WARNING, "Cannot allocate memory for trace");
-        return 1;
+        return PM3_EMALLOC;
     }
 
     if (!GetFromDevice(BIG_BUF, trace, tracelen, 0, NULL, 0, NULL, 2500, false)) {
         PrintAndLogEx(WARNING, "command execution time out");
         free(trace);
-        return 0;
+        return PM3_ETIMEOUT;
     }
 
-    PrintAndLogEx(SUCCESS, "Recorded Activity (trace len = %"PRIu32" bytes)", tracelen);
+    PrintAndLogEx(SUCCESS, "Recorded Activity (trace len = %"PRIu64" bytes)", tracelen);
 
     print_hex_break(trace, tracelen, 32);
     printSep();
@@ -420,20 +433,19 @@ static int CmdHFFelicaDumpLite(const char *Cmd) {
     printSep();
 
     free(trace);
-    return 0;
+    return PM3_SUCCESS;
 }
 
 static void waitCmdFelica(uint8_t iSelect) {
     PacketResponseNG resp;
-
     if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
-        uint16_t len = iSelect ? (resp.oldarg[1] & 0xffff) : (resp.oldarg[0]  & 0xffff);
-        PrintAndLogEx(NORMAL, "received %i octets", len);
+        uint16_t len = iSelect ? (resp.oldarg[1] & 0xffff) : (resp.oldarg[0] & 0xffff);
+        PrintAndLogEx(NORMAL, "Client Received %i octets", len);
         if (!len)
             return;
         PrintAndLogEx(NORMAL, "%s", sprint_hex(resp.data.asBytes, len));
     } else {
-        PrintAndLogEx(WARNING, "timeout while waiting for reply.");
+        PrintAndLogEx(WARNING, "Timeout while waiting for reply.");
     }
 }
 
@@ -510,14 +522,15 @@ static int CmdHFFelicaCmdRaw(const char *Cmd) {
             continue;
         }
         PrintAndLogEx(WARNING, "Invalid char on input");
-        return 0;
+        return PM3_EINVARG;
     }
 
     if (crc && datalen > 0 && datalen < sizeof(data) - 2) {
         uint8_t b1, b2;
         compute_crc(CRC_FELICA, data, datalen, &b1, &b2);
-        data[datalen++] = b1;
+        // TODO FIND OUT IF FeliCa Light has another CRC order - Order changed for FeliCa Standard cards
         data[datalen++] = b2;
+        data[datalen++] = b1;
     }
 
     uint8_t flags = 0;
@@ -539,39 +552,18 @@ static int CmdHFFelicaCmdRaw(const char *Cmd) {
     datalen = (datalen > PM3_CMD_DATA_SIZE) ? PM3_CMD_DATA_SIZE : datalen;
 
     clearCommandBuffer();
-    SendCommandOLD(CMD_HF_FELICA_COMMAND, flags, (datalen & 0xFFFF) | (uint32_t)(numbits << 16), 0, data, datalen);
+    SendCommandMIX(CMD_HF_FELICA_COMMAND, flags, (datalen & 0xFFFF) | (uint32_t)(numbits << 16), 0, data, datalen);
 
     if (reply) {
-        if (active_select)
+        if (active_select) {
+            PrintAndLogEx(NORMAL, "Active select wait for FeliCa.");
             waitCmdFelica(1);
-        if (datalen > 0)
+        }
+        if (datalen > 0) {
             waitCmdFelica(0);
+        }
     }
-    return 0;
-}
-
-static command_t CommandTable[] = {
-    {"help",      CmdHelp,              AlwaysAvailable, "This help"},
-    {"list",      CmdHFFelicaList,      AlwaysAvailable,     "List ISO 18092/FeliCa history"},
-    {"reader",    CmdHFFelicaReader,    IfPm3Felica,     "Act like an ISO18092/FeliCa reader"},
-//    {"sim",       CmdHFFelicaSim,       IfPm3Felica,     "<UID> -- Simulate ISO 18092/FeliCa tag"},
-    {"sniff",     CmdHFFelicaSniff,     IfPm3Felica,     "sniff ISO 18092/Felica traffic"},
-    {"raw",       CmdHFFelicaCmdRaw,    IfPm3Felica,     "Send raw hex data to tag"},
-
-    {"litesim",   CmdHFFelicaSimLite,   IfPm3Felica,     "<NDEF2> - only reply to poll request"},
-    {"litedump",  CmdHFFelicaDumpLite,  IfPm3Felica,     "Wait for and try dumping FelicaLite"},
-    {NULL, NULL, NULL, NULL}
-};
-
-static int CmdHelp(const char *Cmd) {
-    (void)Cmd; // Cmd is not used so far
-    CmdsHelp(CommandTable);
-    return 0;
-}
-
-int CmdHFFelica(const char *Cmd) {
-    clearCommandBuffer();
-    return CmdsParse(CommandTable, Cmd);
+    return PM3_SUCCESS;
 }
 
 int readFelicaUid(bool verbose) {
@@ -582,7 +574,7 @@ int readFelicaUid(bool verbose) {
     if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)) {
         if (verbose) PrintAndLogEx(WARNING, "FeliCa card select failed");
         //SendCommandMIX(CMD_HF_FELICA_COMMAND, 0, 0, 0, NULL, 0);
-        return 0;
+        return PM3_ESOFT;
     }
 
     felica_card_select_t card;
@@ -593,19 +585,20 @@ int readFelicaUid(bool verbose) {
         case 1: {
             if (verbose)
                 PrintAndLogEx(WARNING, "card timeout");
-            break;
+            return PM3_ETIMEOUT;
         }
         case 2: {
             if (verbose)
                 PrintAndLogEx(WARNING, "card answered wrong");
-            break;
+            return PM3_ESOFT;
         }
         case 3: {
             if (verbose)
                 PrintAndLogEx(WARNING, "CRC check failed");
-            break;
+            return PM3_ESOFT;
         }
         case 0: {
+            PrintAndLogEx(NORMAL, "");
             PrintAndLogEx(SUCCESS, "FeliCa tag info");
 
             PrintAndLogEx(NORMAL, "IDm  %s", sprint_hex(card.IDm, sizeof(card.IDm)));
@@ -620,5 +613,40 @@ int readFelicaUid(bool verbose) {
             break;
         }
     }
-    return status;
+    return PM3_SUCCESS;
+}
+
+int dump(const char *Cmd) {
+    clearCommandBuffer();
+    char ctmp = tolower(param_getchar(Cmd, 0));
+    if (ctmp == 'h') return usage_hf_felica_dumplite();
+
+    // TODO FINISH THIS METHOD
+    PrintAndLogEx(SUCCESS, "NOT IMPLEMENTED YET!");
+
+    return PM3_SUCCESS;
+}
+
+static command_t CommandTable[] = {
+    {"help",      CmdHelp,              AlwaysAvailable, "This help"},
+    {"list",      CmdHFFelicaList,      AlwaysAvailable,     "List ISO 18092/FeliCa history"},
+    {"reader",    CmdHFFelicaReader,    IfPm3Felica,     "Act like an ISO18092/FeliCa reader"},
+//    {"sim",       CmdHFFelicaSim,       IfPm3Felica,     "<UID> -- Simulate ISO 18092/FeliCa tag"},
+    {"sniff",     CmdHFFelicaSniff,     IfPm3Felica,     "sniff ISO 18092/Felica traffic"},
+    {"raw",       CmdHFFelicaCmdRaw,    IfPm3Felica,     "Send raw hex data to tag"},
+    {"dump",    CmdHFFelicaDump,    IfPm3Felica,     "Wait for and try dumping Felica"},
+    {"litesim",   CmdHFFelicaSimLite,   IfPm3Felica,     "<NDEF2> - only reply to poll request"},
+    {"litedump",  CmdHFFelicaDumpLite,  IfPm3Felica,     "Wait for and try dumping FelicaLite"},
+    {NULL, NULL, NULL, NULL}
+};
+
+static int CmdHelp(const char *Cmd) {
+    (void)Cmd; // Cmd is not used so far
+    CmdsHelp(CommandTable);
+    return PM3_SUCCESS;
+}
+
+int CmdHFFelica(const char *Cmd) {
+    clearCommandBuffer();
+    return CmdsParse(CommandTable, Cmd);
 }
diff --git a/client/cmdhffelica.h b/client/cmdhffelica.h
index 4193235f5..abbbd42a4 100644
--- a/client/cmdhffelica.h
+++ b/client/cmdhffelica.h
@@ -16,4 +16,6 @@
 int CmdHFFelica(const char *Cmd);
 
 int readFelicaUid(bool verbose);
+
+int dump();
 #endif
diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index bb20e5b3a..b57996af1 100644
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -2330,7 +2330,7 @@ static int CmdHFiClassCheckKeys(const char *Cmd) {
     uint8_t found_offset = 0;
     uint32_t key_offset = 0;
     // main keychunk loop
-    for (uint32_t key_offset = 0; key_offset < keycount; key_offset += chunksize) {
+    for (key_offset = 0; key_offset < keycount; key_offset += chunksize) {
 
         uint64_t t2 = msclock();
         uint8_t timeout = 0;
@@ -2806,16 +2806,18 @@ int readIclass(bool loop, bool verbose) {
                      FLAG_ICLASS_READER_ONE_TRY;
 
     // loop in client not device - else on windows have a communication error
-    PacketResponseNG resp;
     while (!kbd_enter_pressed()) {
 
         clearCommandBuffer();
         SendCommandMIX(CMD_HF_ICLASS_READER, flags, 0, 0, NULL, 0);
+        PacketResponseNG resp;
+
         if (WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
+
             uint8_t readStatus = resp.oldarg[0] & 0xff;
             uint8_t *data = resp.data.asBytes;
 
-            if (verbose) PrintAndLogEx(INFO, "Readstatus:%02x", readStatus);
+//            if (verbose) PrintAndLogEx(INFO, "Readstatus:%02x", readStatus);
 
             // no tag found or button pressed
             if ((readStatus == 0 && !loop) || readStatus == 0xFF) {
@@ -2837,18 +2839,29 @@ int readIclass(bool loop, bool verbose) {
                 printIclassDumpInfo(data);
             }
 
+            // if CSN ends with FF12E0, it's inside HID CSN range.
+            bool isHidRange = (memcmp((uint8_t *)(data + 5), "\xFF\x12\xE0", 3) == 0);
+
             if (readStatus & FLAG_ICLASS_READER_AIA) {
                 bool legacy = (memcmp((uint8_t *)(data + 8 * 5), "\xff\xff\xff\xff\xff\xff\xff\xff", 8) == 0);
 
                 bool se_enabled = (memcmp((uint8_t *)(data + 8 * 5), "\xff\xff\xff\x00\x06\xff\xff\xff", 8) == 0);
 
                 PrintAndLogEx(NORMAL, " App IA: %s", sprint_hex(data + 8 * 5, 8));
-                if (legacy)
-                    PrintAndLogEx(SUCCESS, "      : Possible iClass (legacy credential tag)");
-                else if (se_enabled)
-                    PrintAndLogEx(SUCCESS, "      : Possible iClass (SE credential tag)");
-                else
-                    PrintAndLogEx(WARNING, "      : Possible iClass (NOT legacy tag)");
+
+                if (isHidRange) {
+                    if (legacy)
+                        PrintAndLogEx(SUCCESS, "      : Possible iClass - legacy credential tag");
+
+                    if (se_enabled)
+                        PrintAndLogEx(SUCCESS, "      : Possible iClass - SE credential tag");
+                }
+
+                if (isHidRange) {
+                    PrintAndLogEx(SUCCESS, "      : Tag is "_YELLOW_("iClass")", CSN is in HID range");
+                } else {
+                    PrintAndLogEx(SUCCESS, "      : Tag is "_YELLOW_("PicoPass")", CSN is not in HID range");
+                }
             }
 
             if (tagFound && !loop) {
diff --git a/client/cmdhfmfhard.c b/client/cmdhfmfhard.c
index ab3e1a3d0..d83c60047 100644
--- a/client/cmdhfmfhard.c
+++ b/client/cmdhfmfhard.c
@@ -1052,6 +1052,11 @@ static void estimate_sum_a8(void) {
 
 
 static int read_nonce_file(char *filename) {
+
+    if (filename == NULL) {
+        PrintAndLogEx(WARNING, "Filename is NULL");
+        return 1;
+    }
     FILE *fnonces = NULL;
     char progress_text[80] = "";
     uint8_t read_buf[9];
@@ -1061,6 +1066,7 @@ static int read_nonce_file(char *filename) {
         PrintAndLogEx(WARNING, "Could not open file %s", filename);
         return 1;
     }
+
     snprintf(progress_text, 80, "Reading nonces from file %s...", filename);
     hardnested_print_progress(0, progress_text, (float)(1LL << 47), 0);
     size_t bytes_read = fread(read_buf, 1, 6, fnonces);
@@ -1766,7 +1772,7 @@ static void add_matching_states(statelist_t *candidates, uint8_t part_sum_a0, ui
 }
 
 static statelist_t *add_more_candidates(void) {
-    statelist_t *new_candidates = candidates;
+    statelist_t *new_candidates;
     if (candidates == NULL) {
         candidates = (statelist_t *)malloc(sizeof(statelist_t));
         new_candidates = candidates;
diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c
index e3ae2f0e1..06f44e35d 100644
--- a/client/cmdhfmfu.c
+++ b/client/cmdhfmfu.c
@@ -1991,7 +1991,7 @@ static int CmdHF14AMfUDump(const char *Cmd) {
     if (!(tagtype & UL_C || tagtype & UL)) {
         //attempt to read pack
         uint8_t get_pack[] = {0, 0};
-        if (!ul_auth_select(&card, tagtype, true, authKeyPtr, get_pack, sizeof(get_pack))) {
+        if (ul_auth_select(&card, tagtype, true, authKeyPtr, get_pack, sizeof(get_pack)) != PM3_SUCCESS) {
             //reset pack
             get_pack[0] = 0;
             get_pack[1] = 0;
diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index e1f84b32b..9175bdaf5 100644
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -371,7 +371,7 @@ static int usage_t55xx_dangerraw() {
     return PM3_SUCCESS;
 }
 
-static int usage_t55xx_clonehelp(){
+static int usage_t55xx_clonehelp() {
     PrintAndLogEx(NORMAL, "For cloning specific techs on T55xx tags, see commands available in corresponding LF sub-menus, e.g.:");
     PrintAndLogEx(NORMAL, _GREEN_("lf awid clone"));
 // todo:  rename to clone
@@ -1083,7 +1083,7 @@ static int CmdT55xxDetect(const char *Cmd) {
             if (try_all_dl_modes) {
                 for (uint8_t m = downlink_mode; m < 4; m++) {
 
-                    if (AcquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, try_with_pwd & usepwd, password, m) == false)
+                    if (AcquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, try_with_pwd && usepwd, password, m) == false)
                         continue;
 
                     // pre fill to save passing in.
@@ -1111,7 +1111,7 @@ static int CmdT55xxDetect(const char *Cmd) {
                 }
             }
 
-            if (!found & usepwd)
+            if (!found && usepwd)
                 try_with_pwd = !try_with_pwd; // toggle so we loop back if not found and try with pwd
 
             if (found)
diff --git a/client/cmdlft55xx.h b/client/cmdlft55xx.h
index 4f96006b5..71fda2a72 100644
--- a/client/cmdlft55xx.h
+++ b/client/cmdlft55xx.h
@@ -148,7 +148,7 @@ char *GetQ5ModulationStr(uint32_t id);
 char *GetModulationStr(uint32_t id, bool xmode);
 char *GetModelStrFromCID(uint32_t cid);
 char *GetSelectedModulationStr(uint8_t id);
-char *GetDownlinkModeStr(uint8_t dlmode);
+char *GetDownlinkModeStr(uint8_t downlink_mode);
 void printT5xxHeader(uint8_t page);
 void printT55xxBlock(uint8_t blockNum, bool page1);
 int  printConfiguration(t55xx_conf_block_t b);
diff --git a/client/cmdmain.c b/client/cmdmain.c
index 7a04960f0..802d09fa9 100644
--- a/client/cmdmain.c
+++ b/client/cmdmain.c
@@ -18,6 +18,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <time.h> // MingW
+#include <stdlib.h>  // calloc
 
 #include "comms.h"
 #include "cmdhf.h"
@@ -38,20 +39,6 @@
 
 static int CmdHelp(const char *Cmd);
 
-static int CmdRem(const char *Cmd) {
-    char buf[22] = {0};
-    struct tm *ct, tm_buf;
-    time_t now = time(NULL);
-#if defined(_WIN32)
-    ct = gmtime_s(&tm_buf, &now) == 0 ? &tm_buf : NULL;
-#else
-    ct = gmtime_r(&now, &tm_buf);
-#endif
-    strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%SZ", ct);  // ISO8601
-    PrintAndLogEx(NORMAL, "%s remark: %s", buf, Cmd);
-    return PM3_SUCCESS;
-}
-
 static int usage_msleep(void) {
     PrintAndLogEx(NORMAL, "Sleep for given amount of milliseconds");
     PrintAndLogEx(NORMAL, "");
@@ -65,6 +52,63 @@ static int usage_msleep(void) {
     return PM3_SUCCESS;
 }
 
+static int usage_auto(void) {
+    PrintAndLogEx(NORMAL, "Run LF SEARCH / HF SEARCH / DATA PLOT / DATA SAVE ");
+    PrintAndLogEx(NORMAL, "");
+    PrintAndLogEx(NORMAL, "Usage:  auto <ms>");
+    PrintAndLogEx(NORMAL, "Options:");
+    PrintAndLogEx(NORMAL, "       h          This help");
+    PrintAndLogEx(NORMAL, "");
+    PrintAndLogEx(NORMAL, "Examples:");
+    PrintAndLogEx(NORMAL, "       auto");
+    return PM3_SUCCESS;
+}
+
+static void AppendDate(char *s, size_t slen, char *fmt) {
+    struct tm *ct, tm_buf;
+    time_t now = time(NULL);
+#if defined(_WIN32)
+    ct = gmtime_s(&tm_buf, &now) == 0 ? &tm_buf : NULL;
+#else
+    ct = gmtime_r(&now, &tm_buf);
+#endif
+    if (fmt == NULL)
+        strftime(s, slen, "%Y-%m-%dT%H:%M:%SZ", ct);  // ISO8601
+    else
+        strftime(s, slen, fmt, ct);
+}
+
+static int CmdAuto(const char *Cmd) {
+    char ctmp = tolower(param_getchar(Cmd, 0));
+    if (ctmp == 'h') return usage_auto();
+
+    int ret = CmdLFfind("");
+    if (ret == PM3_SUCCESS)
+        return ret;
+
+    ret = CmdHFSearch("");
+    if (ret == PM3_SUCCESS)
+        return ret;
+
+    PrintAndLogEx(INFO, "Failed both LF / HF SEARCH,");
+    PrintAndLogEx(INFO, "Trying 'lf read' and save a trace for you...");
+
+    CmdPlot("");
+    lf_read(true, 40000);
+    char *fname = calloc(100, sizeof(uint8_t));
+    AppendDate(fname, 100, "lf_unknown_%Y-%m-%d_%H:%M.pm3");
+    CmdSave(fname);
+    free(fname);
+    return PM3_SUCCESS;
+}
+
+int CmdRem(const char *Cmd) {
+    char buf[22] = {0};
+    AppendDate(buf, sizeof(buf), NULL);
+    PrintAndLogEx(NORMAL, "%s remark: %s", buf, Cmd);
+    return PM3_SUCCESS;
+}
+
 static int CmdMsleep(const char *Cmd) {
     uint32_t ms = 0;
     char ctmp = tolower(param_getchar(Cmd, 0));
@@ -90,6 +134,7 @@ static int CmdRev(const char *Cmd) {
 
 static command_t CommandTable[] = {
     {"help",    CmdHelp,      AlwaysAvailable,         "This help. Use '<command> help' for details of a particular command."},
+    {"auto",    CmdAuto,      IfPm3Present,           "Automated detection process for unknown tags"},
     {"analyse", CmdAnalyse,   AlwaysAvailable,         "{ Analyse utils... }"},
     {"data",    CmdData,      AlwaysAvailable,         "{ Plot window / data buffer manipulation... }"},
     {"emv",     CmdEMV,       AlwaysAvailable,         "{ EMV ISO-14443 / ISO-7816... }"},
diff --git a/client/cmdmain.h b/client/cmdmain.h
index 8b440143e..68984efab 100644
--- a/client/cmdmain.h
+++ b/client/cmdmain.h
@@ -15,6 +15,7 @@
 #include "cmdparser.h"    // command_t
 
 int CommandReceived(char *Cmd);
+int CmdRem(const char *Cmd);
 command_t *getTopLevelCommandTable(void);
 
 #endif
diff --git a/client/cmdsmartcard.c b/client/cmdsmartcard.c
index c69e4f037..21066ffb7 100644
--- a/client/cmdsmartcard.c
+++ b/client/cmdsmartcard.c
@@ -548,7 +548,6 @@ static int CmdSmartUpgrade(const char *Cmd) {
     //Validations
     if (errors || cmdp == 0) return usage_sm_upgrade();
 
-
     char sha512filename[FILE_PATH_SIZE] = {'\0'};
     char *bin_extension = filename;
     char *dot_position = NULL;
@@ -556,11 +555,7 @@ static int CmdSmartUpgrade(const char *Cmd) {
         bin_extension = dot_position + 1;
     }
 
-    if (!strcmp(bin_extension, "BIN")
-#ifdef _WIN32
-            || !strcmp(bin_extension, "bin")
-#endif
-       ) {
+    if (!strcmp(bin_extension, "BIN") || !strcmp(bin_extension, "bin")) {
         memcpy(sha512filename, filename, strlen(filename) - strlen("bin"));
         strcat(sha512filename, "sha512.txt");
     } else {
diff --git a/client/cmdwiegand.c b/client/cmdwiegand.c
index 8c1b5e8cb..3c939261f 100644
--- a/client/cmdwiegand.c
+++ b/client/cmdwiegand.c
@@ -150,11 +150,11 @@ int CmdWiegandDecode(const char *Cmd) {
     bool errors = false;
     char cmdp = 0;
     while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
-        uint32_t strlen = param_getlength(Cmd, cmdp);
-        strlen++; // null termin
-        if (strlen > 2) {
-            char *s = calloc(strlen, sizeof(uint8_t));
-            param_getstr(Cmd, cmdp, s, strlen);
+        uint32_t slen = param_getlength(Cmd, cmdp);
+        slen++; // null termin
+        if (slen > 2) {
+            char *s = calloc(slen, sizeof(uint8_t));
+            param_getstr(Cmd, cmdp, s, slen);
             hexstring_to_u96(&top, &mid, &bot, s);
             free(s);
             gothex = true;
diff --git a/client/emv/emvcore.c b/client/emv/emvcore.c
index 8c9b2ea1e..c18521b6c 100644
--- a/client/emv/emvcore.c
+++ b/client/emv/emvcore.c
@@ -1089,7 +1089,7 @@ int RecoveryCertificates(struct tlvdb *tlvRoot, json_t *root) {
     char *icc_pk_c = emv_pk_dump_pk(icc_pk);
     JsonSaveStr(root, "$.ApplicationData.ICCPublicKeyDec", icc_pk_c);
     JsonSaveBufAsHex(root, "$.ApplicationData.ICCPublicKeyModulus", icc_pk->modulus, icc_pk->mlen);
-    free(issuer_pk_c);
+    free(icc_pk_c);
 
     return 0;
 }
diff --git a/client/emv/emvjson.c b/client/emv/emvjson.c
index 4a3ef9299..75b2e87bf 100644
--- a/client/emv/emvjson.c
+++ b/client/emv/emvjson.c
@@ -372,8 +372,8 @@ bool ParamLoadFromJson(struct tlvdb *tlv) {
             return false;
         }
         tlv_tag_t tag = 0;
-        for (int i = 0; i < buflen; i++) {
-            tag = (tag << 8) | buf[i];
+        for (int j = 0; j < buflen; j++) {
+            tag = (tag << 8) | buf[j];
         }
 
         if (!HexToBuffer("TLV Error value:", tlvValue, buf, sizeof(buf) - 1, &buflen)) {
diff --git a/client/fido/cbortools.c b/client/fido/cbortools.c
index b0d309db7..911244806 100644
--- a/client/fido/cbortools.c
+++ b/client/fido/cbortools.c
@@ -75,9 +75,9 @@ static CborError dumpelm(CborValue *it, bool *got_next, int nestingLevel) {
         }
 
         case CborSimpleType: {
-            uint8_t type;
-            cbor_value_get_simple_type(it, &type);
-            printf("simple(%u)", type);
+            uint8_t t;
+            cbor_value_get_simple_type(it, &t);
+            printf("simple(%u)", t);
             break;
         }
 
@@ -206,7 +206,7 @@ int TinyCborPrintFIDOPackage(uint8_t cmdCode, bool isResponse, uint8_t *data, si
 
     if (err) {
         fprintf(stderr,
-                "CBOR parsing failure at offset %" PRId32 " : %s\n",
+                "CBOR parsing failure at offset %" PRIu32 " : %s\n",
                 (uint32_t)(cb.ptr - data),
                 cbor_error_string(err)
                );
diff --git a/client/hardnested/hardnested_bruteforce.c b/client/hardnested/hardnested_bruteforce.c
index 4af190d71..682257415 100644
--- a/client/hardnested/hardnested_bruteforce.c
+++ b/client/hardnested/hardnested_bruteforce.c
@@ -250,16 +250,16 @@ void prepare_bf_test_nonces(noncelist_t *nonces, uint8_t best_first_byte) {
     uint32_t bf_test_nonce_temp[4];
     uint8_t bf_test_nonce_par_temp[4];
     uint8_t bf_test_nonce_2nd_byte_temp[4];
-    for (uint8_t i = 0; i < 4 && i < nonces_to_bruteforce; i++) {
-        bf_test_nonce_temp[i] = bf_test_nonce[best_4[i]];
+    for (uint8_t j = 0; j < 4 && j < nonces_to_bruteforce; j++) {
+        bf_test_nonce_temp[j] = bf_test_nonce[best_4[j]];
 
-        bf_test_nonce_par_temp[i] = bf_test_nonce_par[best_4[i]];
-        bf_test_nonce_2nd_byte_temp[i] = bf_test_nonce_2nd_byte[best_4[i]];
+        bf_test_nonce_par_temp[j] = bf_test_nonce_par[best_4[j]];
+        bf_test_nonce_2nd_byte_temp[j] = bf_test_nonce_2nd_byte[best_4[j]];
     }
-    for (uint8_t i = 0; i < 4 && i < nonces_to_bruteforce; i++) {
-        bf_test_nonce[i] = bf_test_nonce_temp[i];
-        bf_test_nonce_par[i] = bf_test_nonce_par_temp[i];
-        bf_test_nonce_2nd_byte[i] = bf_test_nonce_2nd_byte_temp[i];
+    for (uint8_t j = 0; j < 4 && j < nonces_to_bruteforce; j++) {
+        bf_test_nonce[j] = bf_test_nonce_temp[j];
+        bf_test_nonce_par[j] = bf_test_nonce_par_temp[j];
+        bf_test_nonce_2nd_byte[j] = bf_test_nonce_2nd_byte_temp[j];
     }
 }
 
diff --git a/client/luascripts/init_rdv4.lua b/client/luascripts/init_rdv4.lua
new file mode 100644
index 000000000..d2dd03e24
--- /dev/null
+++ b/client/luascripts/init_rdv4.lua
@@ -0,0 +1,96 @@
+local getopt = require('getopt')
+
+copyright = 'Copyright (c) 2019 IceSQL AB. All rights reserved.'
+author = 'Christian Herrmann'
+version = 'v1.0.0'
+desc = [[
+This script initialize a Proxmark3 RDV4.0 with
+  - uploading dictionary files to flashmem
+  - configuring the LF T55X7 device settings
+ ]]
+example = [[
+
+     script run init_rdv4
+]]
+usage = [[
+script run init_rdv4 -h
+
+Arguments:
+    -h             : this help
+]]
+
+local DEBUG = true
+---
+-- A debug printout-function
+local function dbg(args)
+    if not DEBUG then return end
+    if type(args) == 'table' then
+        local i = 1
+        while args[i] do
+            dbg(args[i])
+            i = i+1
+        end
+    else
+        print('###', args)
+    end
+end
+---
+-- This is only meant to be used when errors occur
+local function oops(err)
+    print('ERROR:', err)
+    core.clearCommandBuffer()
+    return nil, err
+end
+---
+-- Usage help
+local function help()
+    print(copyright)
+    print(author)
+    print(version)
+    print(desc)
+    print('Example usage')
+    print(example)
+    print(usage)
+end
+---
+-- The main entry point
+function main(args)
+    local dash = string.rep('--', 20)
+
+    print( dash )
+    print( dash )
+    print()
+
+    -- Read the parameters
+    for o, a in getopt.getopt(args, 'h') do
+        if o == 'h' then return help() end
+    end
+
+    print('Prepping your Proxmark3 RDV4')
+
+    -- Upload dictionaries
+    print('Uploading dictionaries to RDV4 flashmemory')
+    print(dash)
+    core.console('mem load f mfc_default_keys m')
+    core.console('mem load f t55xx_default_pwds t')
+    core.console('mem load f iclass_default_keys i')
+    print(dash)
+
+    -- T55x7 Device configuration
+    print('Configure T55XX device side to match RDV4')
+    print(dash)
+    core.console('lf t55xx deviceconfig r 0 a 29 b 17 c 15 d 47 e 15 p')
+    core.console('lf t55xx deviceconfig r 1 a 29 b 17 c 18 d 50 e 15 p')
+    core.console('lf t55xx deviceconfig r 2 a 29 b 17 c 18 d 40 e 15 p')
+    core.console('lf t55xx deviceconfig r 3 a 29 b 17 c 15 d 31 e 15 f 47 g 63 p')
+
+    print('')
+    print('')
+    core.console('hw status')
+    print(dash)
+
+    print('all done!')
+
+end
+
+main(args)
diff --git a/client/mifare/mad.c b/client/mifare/mad.c
index 5cf3e1852..fe41ac032 100644
--- a/client/mifare/mad.c
+++ b/client/mifare/mad.c
@@ -181,7 +181,7 @@ int MADCheck(uint8_t *sector0, uint8_t *sector10, bool verbose, bool *haveMAD2)
         if (!res)
             res = res2;
 
-        if (verbose & !res2)
+        if (verbose && !res2)
             PrintAndLogEx(NORMAL, "CRC8-MAD2 OK.");
     }
 
diff --git a/client/scripting.c b/client/scripting.c
index e5c3990fb..43bcbd9c7 100644
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -32,6 +32,7 @@
 #include "crc16.h"
 #include "protocols.h"
 #include "fileutils.h"    // searchfile
+#include "cmdlf.h"        // lf_config
 
 static int returnToLuaWithError(lua_State *L, const char *fmt, ...) {
     char buffer[200];
@@ -1056,6 +1057,22 @@ static int l_ndefparse(lua_State *L) {
     return 1;
 }
 
+static int l_remark(lua_State *L) {
+    //Check number of arguments
+    int n = lua_gettop(L);
+    if (n != 1)  {
+        return returnToLuaWithError(L, "Only one string allowed");
+    }
+
+    size_t size;
+    // data
+    const char *s = luaL_checklstring(L, 1, &size);
+
+    int res = CmdRem(s);
+    lua_pushinteger(L, res);
+    return 1;
+}
+
 static int l_searchfile(lua_State *L) {
     //Check number of arguments
     int n = lua_gettop(L);
@@ -1141,6 +1158,7 @@ int set_pm3_libraries(lua_State *L) {
         {"ndefparse",                   l_ndefparse},
         {"fast_push_mode",              l_fast_push_mode},
         {"search_file",                 l_searchfile},
+        {"rem",                         l_remark},
         {NULL, NULL}
     };
 
diff --git a/client/wiegand_formats.c b/client/wiegand_formats.c
index 4e2541cbd..983e0f432 100644
--- a/client/wiegand_formats.c
+++ b/client/wiegand_formats.c
@@ -8,6 +8,7 @@
 // HID card format packing/unpacking routines
 //-----------------------------------------------------------------------------
 #include "wiegand_formats.h"
+#include "commonutil.h"
 
 bool Pack_H10301(wiegand_card_t *card, wiegand_message_t *packed) {
     memset(packed, 0, sizeof(wiegand_message_t));
@@ -643,7 +644,7 @@ int HIDFindCardFormat(const char *format) {
 bool HIDPack(int format_idx, wiegand_card_t *card, wiegand_message_t *packed) {
     memset(packed, 0, sizeof(wiegand_message_t));
 
-    if (format_idx < 0 || format_idx >= (sizeof(FormatTable) / sizeof(FormatTable[0])))
+    if (format_idx < 0 || format_idx >= ARRAYLEN(FormatTable))
         return false;
 
     return FormatTable[format_idx].Pack(card, packed);
@@ -672,16 +673,16 @@ void HIDDisplayUnpackedCard(wiegand_card_t *card, const cardformat_t format) {
 
     char s[80] = {0};
     if (format.Fields.hasFacilityCode)
-        snprintf(s, sizeof(s), "FC: %d", card->FacilityCode);
+        snprintf(s, sizeof(s), "FC: %u", card->FacilityCode);
 
     if (format.Fields.hasCardNumber)
         snprintf(s + strlen(s), sizeof(s) - strlen(s), "  CN: %" PRIu64, card->CardNumber);
 
     if (format.Fields.hasIssueLevel)
-        snprintf(s + strlen(s), sizeof(s) - strlen(s), "  Issue %d", card->IssueLevel);
+        snprintf(s + strlen(s), sizeof(s) - strlen(s), "  Issue %u", card->IssueLevel);
 
     if (format.Fields.hasOEMCode)
-        snprintf(s + strlen(s), sizeof(s) - strlen(s), "  OEM: %d", card->OEM);
+        snprintf(s + strlen(s), sizeof(s) - strlen(s), "  OEM: %u", card->OEM);
 
     if (format.Fields.hasParity)
         snprintf(s + strlen(s), sizeof(s) - strlen(s), "    parity: %s", card->ParityValid ? "valid" : "invalid");
diff --git a/client/wiegand_formats.h b/client/wiegand_formats.h
index e3aca4b9c..b75f5e491 100644
--- a/client/wiegand_formats.h
+++ b/client/wiegand_formats.h
@@ -43,6 +43,6 @@ void HIDListFormats();
 int HIDFindCardFormat(const char *format);
 cardformat_t HIDGetCardFormat(int idx);
 bool HIDPack(int FormatIndex, wiegand_card_t *card, wiegand_message_t *packed);
-bool HIDTryUnpack(wiegand_message_t *packed, bool ignoreParity);
+bool HIDTryUnpack(wiegand_message_t *packed, bool ignore_parity);
 
 #endif
diff --git a/common/crapto1/crapto1.c b/common/crapto1/crapto1.c
index 66af2f41c..43e45c3db 100644
--- a/common/crapto1/crapto1.c
+++ b/common/crapto1/crapto1.c
@@ -124,6 +124,9 @@ recover(uint32_t *o_head, uint32_t *o_tail, uint32_t oks,
 
     return sl;
 }
+
+
+#if !defined(__arm__) || defined(__linux__) || defined(_WIN32) || defined(__APPLE__) // bare metal ARM Proxmark lacks malloc()/free()
 /** lfsr_recovery
  * recover the state of the lfsr given 32 bits of the keystream
  * additionally you can use the in parameter to specify the value
@@ -286,6 +289,7 @@ continue2:
     }
     return statelist;
 }
+#endif
 
 /** lfsr_rollback_bit
  * Rollback the shift register in order to get previous states
@@ -465,7 +469,7 @@ static struct Crypto1State *check_pfx_parity(uint32_t prefix, uint32_t rresp, ui
     return sl + good;
 }
 
-
+#if !defined(__arm__) || defined(__linux__) || defined(_WIN32) || defined(__APPLE__) // bare metal ARM Proxmark lacks malloc()/free()
 /** lfsr_common_prefix
  * Implentation of the common prefix attack.
  * Requires the 28 bit constant prefix used as reader nonce (pfx)
@@ -504,3 +508,4 @@ out:
     free(even);
     return statelist;
 }
+#endif
diff --git a/common/crapto1/crapto1.h b/common/crapto1/crapto1.h
index ab061e2e7..7fa16539e 100644
--- a/common/crapto1/crapto1.h
+++ b/common/crapto1/crapto1.h
@@ -25,23 +25,25 @@
 #include <stdbool.h>
 
 struct Crypto1State {uint32_t odd, even;};
-#if defined(__arm__) && !defined(__linux__) && !defined(_WIN32) && !defined(__APPLE__) // bare metal ARM Proxmark lacks malloc()/free()
-void crypto1_create(struct Crypto1State *s, uint64_t key);
-#else
+void crypto1_init(struct Crypto1State *s, uint64_t key);
+void crypto1_deinit(struct Crypto1State *);
+#if !defined(__arm__) || defined(__linux__) || defined(_WIN32) || defined(__APPLE__) // bare metal ARM Proxmark lacks malloc()/free()
 struct Crypto1State *crypto1_create(uint64_t key);
-#endif
 void crypto1_destroy(struct Crypto1State *);
+#endif
 void crypto1_get_lfsr(struct Crypto1State *, uint64_t *);
 uint8_t crypto1_bit(struct Crypto1State *, uint8_t, int);
 uint8_t crypto1_byte(struct Crypto1State *, uint8_t, int);
 uint32_t crypto1_word(struct Crypto1State *, uint32_t, int);
 uint32_t prng_successor(uint32_t x, uint32_t n);
 
+#if !defined(__arm__) || defined(__linux__) || defined(_WIN32) || defined(__APPLE__) // bare metal ARM Proxmark lacks malloc()/free()
 struct Crypto1State *lfsr_recovery32(uint32_t ks2, uint32_t in);
 struct Crypto1State *lfsr_recovery64(uint32_t ks2, uint32_t ks3);
-uint32_t *lfsr_prefix_ks(uint8_t ks[8], int isodd);
 struct Crypto1State *
 lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8], uint32_t no_par);
+#endif
+uint32_t *lfsr_prefix_ks(uint8_t ks[8], int isodd);
 
 
 uint8_t lfsr_rollback_bit(struct Crypto1State *s, uint32_t in, int fb);
diff --git a/common/crapto1/crypto1.c b/common/crapto1/crypto1.c
index 9df30b356..bb501cd58 100644
--- a/common/crapto1/crypto1.c
+++ b/common/crapto1/crypto1.c
@@ -25,38 +25,37 @@
 #define SWAPENDIAN(x)\
     (x = (x >> 8 & 0xff00ff) | (x & 0xff00ff) << 8, x = x >> 16 | x << 16)
 
-#if defined(__arm__) && !defined(__linux__) && !defined(_WIN32) && !defined(__APPLE__) // bare metal ARM Proxmark lacks malloc()/free()
-void crypto1_create(struct Crypto1State *s, uint64_t key) {
+void crypto1_init(struct Crypto1State *state, uint64_t key) {
+    state->odd = 0;
+    state->even = 0;
+
     int i;
 
-    for (i = 47; s && i > 0; i -= 2) {
-        s->odd  = s->odd  << 1 | BIT(key, (i - 1) ^ 7);
-        s->even = s->even << 1 | BIT(key, i ^ 7);
+    for (i = 47; state && i > 0; i -= 2) {
+        state->odd  = state->odd  << 1 | BIT(key, (i - 1) ^ 7);
+        state->even = state->even << 1 | BIT(key, i ^ 7);
     }
     return;
 }
-void crypto1_destroy(struct Crypto1State *state) {
+
+void crypto1_deinit(struct Crypto1State *state) {
     state->odd = 0;
     state->even = 0;
 }
-#else
+
+#if !defined(__arm__) || defined(__linux__) || defined(_WIN32) || defined(__APPLE__) // bare metal ARM Proxmark lacks malloc()/free()
 struct Crypto1State *crypto1_create(uint64_t key) {
-    struct Crypto1State *s = malloc(sizeof(*s));
-    if (!s) return NULL;
-
-    s->odd = s->even = 0;
-
-    int i;
-    for (i = 47; i > 0; i -= 2) {
-        s->odd  = s->odd  << 1 | BIT(key, (i - 1) ^ 7);
-        s->even = s->even << 1 | BIT(key, i ^ 7);
-    }
-    return s;
+    struct Crypto1State *state = malloc(sizeof(*state));
+    if (!state) return NULL;
+    crypto1_init(state, key);
+    return state;
 }
+
 void crypto1_destroy(struct Crypto1State *state) {
     free(state);
 }
 #endif
+
 void crypto1_get_lfsr(struct Crypto1State *state, uint64_t *lfsr) {
     int i;
     for (*lfsr = 0, i = 23; i >= 0; --i) {
diff --git a/doc/clocks.md b/doc/clocks.md
new file mode 100644
index 000000000..3ec59f0c8
--- /dev/null
+++ b/doc/clocks.md
@@ -0,0 +1,144 @@
+## Slow clock
+
+~32kHz internal RC clock
+
+Can be between 22 and 42 kHz
+
+## Main Oscillator / MAINCK
+
+cf `PMC_MOR` register
+
+16 MHz, based on external Xtal
+
+## PLL clock
+
+cf `PMC_PLLR` register
+
+96 MHz (MAINCK * 12 / 2)
+
+## Master Clock MCK, Processor Clock PCK, USB clock UDPCK
+
+cf `common_arm/clocks.c`
+
+cf `PMC_MCKR` and `PMC_SCER` registers
+
+* MCK starts with RC slow clock (22 to 42 kHz).
+* Then MCK configured from PLL: 48 MHz (PLL / 2)
+
+cf `bootrom.c`:
+
+PCK can be disabled to enter idle mode, but on Proxmark3 it's always on, so PCK is also 48 MHz.
+
+USB need to be clocked at 48 MHz from the PLL, so PLL / 2 (cf `CKGR_PLLR`).
+
+
+## Peripheral clocks
+
+cf `bootrom.c`:
+
+Distribute MCK/PCK? clock to Parallel I/O controller, ADC, SPI, Synchronous Serial controller, PWM controller, USB.
+
+cf `appmain.c`
+
+Activate PCK0 pin as clock output, based on PLL / 4 = 24 MHz, for the FPGA.
+
+## 1 kHz RTC: TickCount functions
+
+cf `armsrc/ticks.c`
+
+cf `PMC_MCFR` and `RTTC_RTMR` registers for configuration, `RTTC_RTVR` register for reading value.
+
+Characteristics:
+
+* 1 kHz, 32b (49 days), if used with 16b: 65s
+* Configured at boot (or TIA) with `StartTickCount()`
+* Time events with `GetTickCount()`/`GetTickCountDeltaDelta()`, see example
+* Coarse, based on the ~32kHz RC slow clock with some adjustment factor computed by TIA
+* Maybe 2.5% error, can increase if temperature conditions change and no TIA is recomputed
+* If TimingIntervalAcquisition() is called later, StartTickCount() is called again and RTC is reset
+
+Usage:
+
+```
+uint32_t ti = GetTickCount();
+...do stuff...
+uint32_t delta = GetTickCountDelta(ti);
+```
+
+Current usages:
+
+* cheap random for nonces, e.g. `prng_successor(GetTickCount(), 32)`
+* rough timing of some operations, only for informative purposes
+* timeouts
+* USB connection speed measure
+
+## Occasional PWM timer
+
+* `void SpinDelayUs(int us)`
+* `void SpinDelay(int ms)` based on SpinDelayUs
+
+Busy wait based on 46.875 kHz PWM Channel 0, 21.3 us precision
+
+WARNING: timer can't measure more than 1.39 s
+
+
+## Occasional TC0+TC1 / CountUS functions
+
+cf `armsrc/ticks.c`
+
+About 1 us precision
+
+* `void StartCountUS(void)`
+* `uint32_t RAMFUNC GetCountUS(void)`
+
+Use two chainer timers TC0 and TC1.
+TC0 runs at 1.5 MHz and TC1 is clocked when TC0 reaches 0xC000.
+
+Maximal value: 0x7fffffff = 2147 s
+
+Can't be used at the same time as CountSspClk or Ticks functions.
+
+## Occasional TC0+TC1 SSP_CLK from FPGA / CountSspClk functions
+
+cf `armsrc/ticks.c`
+
+About 1 cycle of 13.56 MHz? precision
+
+* `void StartCountSspClk(void)`
+* `void ResetSspClk(void)`
+* `uint32_t RAMFUNC GetCountSspClk(void)`
+* `uint32_t RAMFUNC GetCountSspClkDelta(uint32_t start)` <= **TODO** could be used more often
+
+Use two chainer timers TC0 and TC1.
+TC0 runs at SSP_CLK from FPGA (13.56 MHz?) and TC1 is clocked when TC0 loops.
+
+Usage:
+
+* for iso14443 commands to count field cycles
+* Also usable with FPGA in LF mode ?? cf `armsrc/legicrfsim.c` SSP Clock is clocked by the FPGA at 212 kHz (subcarrier frequency)
+
+Can't be used at the same time as CountUS or Ticks functions.
+
+## Occasional TC0+TC1 / Ticks functions
+
+cf `armsrc/ticks.c`
+
+1.5 MHz
+
+* `void StartTicks(void)`
+* `uint32_t GetTicks(void)` <= **TODO** why no GetTicksDelta ?
+* `void WaitTicks(uint32_t ticks)`
+* `void WaitUS(uint32_t us)`
+* `void WaitMS(uint32_t ms)`
+* `void StopTicks(void)` <= **TODO** why a stop for this timer and not for CountUS / CountSspClk ?
+
+Use two chainer timers TC0 and TC1.
+TC0 runs at 1.5 MHz and TC1 is clocked when TC0 loops.
+
+Maximal value: 0xffffffff = 2863 s (but don't use high value with WaitTicks else you'll trigger WDT)
+
+Usage:
+
+* Timer for bitbanging, or LF stuff when you need a very precise timer
+
+Can't be used at the same time as CountUS or CountSspClk functions.
diff --git a/include/mifare.h b/include/mifare.h
index 9d444e833..23dbceb68 100644
--- a/include/mifare.h
+++ b/include/mifare.h
@@ -34,7 +34,7 @@ typedef struct {
     uint8_t signature[32];
     uint8_t counter_tearing[3][4];  // 3 bytes counter, 1 byte tearing flag
     uint8_t data[1024];
-} mfu_dump_t;
+} PACKED mfu_dump_t;
 
 //-----------------------------------------------------------------------------
 // ISO 14443A
@@ -69,7 +69,7 @@ typedef struct {
     uint16_t modulation_n;
     uint32_t ProxToAirDuration;
     uint8_t  par; // enough for precalculated parity of 8 Byte responses
-} tag_response_info_t;
+} PACKED tag_response_info_t;
 //-----------------------------------------------------------------------------
 // ISO 14443B
 //-----------------------------------------------------------------------------
@@ -79,7 +79,7 @@ typedef struct {
     uint8_t atqb[7];
     uint8_t chipid;
     uint8_t cid;
-} __attribute__((__packed__)) iso14b_card_select_t;
+} PACKED iso14b_card_select_t;
 
 typedef enum ISO14B_COMMAND {
     ISO14B_CONNECT = (1 << 0),
@@ -121,7 +121,7 @@ typedef struct {
         FIRST,
         SECOND,
     } state;
-} nonces_t;
+} PACKED nonces_t;
 
 //-----------------------------------------------------------------------------
 // ISO 7618  Smart Card
diff --git a/traces/README.txt b/traces/README.txt
index 4cc42ba74..63ebe18ee 100644
--- a/traces/README.txt
+++ b/traces/README.txt
@@ -27,4 +27,5 @@ HID-weak-fob-11647.pm3: HID 32bit Prox Card#: 11647.  very weak tag/read but jus
 visa2000.pm3:  VISA2000 ASK/MAN RF/64, Card: 480518
 securakey-64169.pm3  Securakey Tag BitLen: 26, Card ID: 64169, FC: 0x35
 
-motorola_0437_00072.pm3 - Motorola  Grey clamshell card, old.  (RAW: A0000000E308C0C1)
+motorola_0437_00072.pm3: Motorola Grey clamshell card, old.  (RAW: A0000000E308C0C1)
+verichip_1022000000084146.pm3: VeriChip,  epoxy encased glasschip (ID: 1022-00000000084146) 
diff --git a/traces/verichip_1022000000084146.pm3 b/traces/verichip_1022000000084146.pm3
new file mode 100644
index 000000000..9109d7599
--- /dev/null
+++ b/traces/verichip_1022000000084146.pm3
@@ -0,0 +1,39999 @@
+18
+17
+17
+10
+-9
+-24
+-35
+-43
+-48
+-52
+-54
+-55
+-55
+-54
+-52
+-50
+-49
+-47
+-44
+-41
+-38
+-36
+-34
+-33
+-31
+-30
+-28
+-27
+-25
+-24
+-22
+-21
+-19
+-18
+-16
+-6
+15
+29
+40
+47
+51
+54
+56
+56
+56
+54
+53
+52
+50
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