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Created new detectclock function + EM decode addons
[proxmark3-svn] / armsrc / iclass.c
diff --git a/armsrc/iclass.c b/armsrc/iclass.c
index b14a0db5080738749f6d3145d2d8d80ded0977b6..0ee1b3554568a8fce0d8eca210156bcc7ace5de1 100644 (file)
--- a/armsrc/iclass.c
+++ b/armsrc/iclass.c
@@ -1295,20 +1295,23 @@ static void TransmitIClassCommand(const uint8_t *cmd, int len, int *samples, int
   FpgaSetupSsc();
 
    if (wait)
   FpgaSetupSsc();
 
    if (wait)
-    if(*wait < 10)
-      *wait = 10;
+   {
+     if(*wait < 10) *wait = 10;
+     
+     for(c = 0; c < *wait;) {
+       if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+         AT91C_BASE_SSC->SSC_THR = 0x00;               // For exact timing!
+         c++;
+       }
+       if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
+         volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+         (void)r;
+       }
+       WDT_HIT();
+     }
+
+   }
 
 
-  for(c = 0; c < *wait;) {
-    if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
-      AT91C_BASE_SSC->SSC_THR = 0x00;          // For exact timing!
-      c++;
-    }
-    if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
-      volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
-      (void)r;
-    }
-    WDT_HIT();
-  }
 
   uint8_t sendbyte;
   bool firstpart = TRUE;
 
   uint8_t sendbyte;
   bool firstpart = TRUE;
@@ -1466,69 +1469,109 @@ int ReaderReceiveIClass(uint8_t* receivedAnswer)
   return Demod.len;
 }
 
   return Demod.len;
 }
 
+void setupIclassReader()
+{
+    FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+    // Reset trace buffer
+    iso14a_set_tracing(TRUE);
+    iso14a_clear_trace();
+
+    // Setup SSC
+    FpgaSetupSsc();
+    // Start from off (no field generated)
+    // Signal field is off with the appropriate LED
+    LED_D_OFF();
+    FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+    SpinDelay(200);
+
+    SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+
+    // Now give it time to spin up.
+    // Signal field is on with the appropriate LED
+    FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+    SpinDelay(200);
+    LED_A_ON();
+
+}
+
 // Reader iClass Anticollission
 void ReaderIClass(uint8_t arg0) {
 // Reader iClass Anticollission
 void ReaderIClass(uint8_t arg0) {
-       uint8_t act_all[]     = { 0x0a };
-       uint8_t identify[]    = { 0x0c };
-       uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+    uint8_t act_all[]     = { 0x0a };
+    uint8_t identify[]    = { 0x0c };
+    uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+    uint8_t readcheck_cc[]= { 0x88, 0x02 };
 
 
-       uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
+    uint8_t card_data[24]={0};
+    uint8_t last_csn[8]={0};
 
 
-    FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+    uint8_t* resp = (((uint8_t *)BigBuf) + 3560);      // was 3560 - tied to other size changes
 
 
-       // Reset trace buffer
-    iso14a_set_tracing(TRUE);
-    iso14a_clear_trace();
+    int read_status= 0;
+    bool abort_after_read = arg0 & FLAG_ICLASS_READER_ONLY_ONCE;
 
 
-       // Setup SSC
-       FpgaSetupSsc();
-       // Start from off (no field generated)
-       // Signal field is off with the appropriate LED
-       LED_D_OFF();
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
+    setupIclassReader();
 
 
-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
-
-       // Now give it time to spin up.
-       // Signal field is on with the appropriate LED
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-       SpinDelay(200);
+    size_t datasize = 0;
+    while(!BUTTON_PRESS())
+    {
+        WDT_HIT();
 
 
-       LED_A_ON();
+        // Send act_all
+        ReaderTransmitIClass(act_all, 1);
+        // Card present?
+        if(ReaderReceiveIClass(resp)) {
 
 
-       for(;;) {
-       
-               if(traceLen > TRACE_SIZE) {
-                       DbpString("Trace full");
-                       break;
-               }
-               
-               if (BUTTON_PRESS()) break;
+            ReaderTransmitIClass(identify, 1);
 
 
-               // Send act_all
-               ReaderTransmitIClass(act_all, 1);
-               // Card present?
-               if(ReaderReceiveIClass(resp)) {
-                       ReaderTransmitIClass(identify, 1);
-                       if(ReaderReceiveIClass(resp) == 10) {
-                               // Select card          
-                               memcpy(&select[1],resp,8);
-                               ReaderTransmitIClass(select, sizeof(select));
+            if(ReaderReceiveIClass(resp) == 10) {
+                //Copy the Anti-collision CSN to our select-packet
+                memcpy(&select[1],resp,8);
+                //Dbprintf("Anti-collision CSN: %02x %02x %02x %02x %02x %02x %02x %02x",resp[0], resp[1], resp[2],
+                //        resp[3], resp[4], resp[5],
+                //        resp[6], resp[7]);
+                //Select the card
+                ReaderTransmitIClass(select, sizeof(select));
+
+                if(ReaderReceiveIClass(resp) == 10) {
+                    //Save CSN in response data
+                    memcpy(card_data,resp,8);
+                    datasize += 8;
+                    //Flag that we got to at least stage 1, read CSN
+                    read_status = 1;
+
+                    // Card selected
+                    //Dbprintf("Readcheck on Sector 2");
+                    ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
+                    if(ReaderReceiveIClass(resp) == 8) {
+                        //Save CC (e-purse) in response data
+                        memcpy(card_data+8,resp,8);
+                        datasize += 8;
+                        //Got both
+                        read_status = 2;
+                    }
+
+                    LED_B_ON();
+                    //Send back to client, but don't bother if we already sent this
+                    if(memcmp(last_csn, card_data, 8) != 0)
+                        cmd_send(CMD_ACK,read_status,0,0,card_data,datasize);
+
+                    //Save that we already sent this....
+                    if(read_status ==  2)
+                        memcpy(last_csn, card_data, 8);
+
+                    LED_B_OFF();
+
+                    if(abort_after_read) break;
+                }
+            }
+        }
 
 
-                               if(ReaderReceiveIClass(resp) == 10) {
-                                       Dbprintf("     Selected CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
-                                       resp[0], resp[1], resp[2],
-                                       resp[3], resp[4], resp[5],
-                                       resp[6], resp[7]);
-                               }
-                               // Card selected, whats next... ;-)
-                       }
-               }
-               WDT_HIT();
-       }
-       
-       LED_A_OFF();
+        if(traceLen > TRACE_SIZE) {
+            DbpString("Trace full");
+            break;
+        }
+    }
+    LED_A_OFF();
 }
 
 void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
 }
 
 void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
@@ -1553,28 +1596,9 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
        } memory;
        
        uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
        } memory;
        
        uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
-    // Enable and clear the trace
-    iso14a_set_tracing(TRUE);
-    iso14a_clear_trace();
-
-
-
-       // Setup SSC
-       FpgaSetupSsc();
-       // Start from off (no field generated)
-       // Signal field is off with the appropriate LED
-       LED_D_OFF();
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
 
 
-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
-
-       // Now give it time to spin up.
-       // Signal field is on with the appropriate LED
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-       SpinDelay(200);
+    setupIclassReader();
 
 
-       LED_A_ON();
 
        for(int i=0;i<1;i++) {
        
 
        for(int i=0;i<1;i++) {
        
@@ -1613,8 +1637,8 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
                                Dbprintf("Authenticate");
                                //for now replay captured auth (as cc not updated)
                                memcpy(check+5,MAC,4);
                                Dbprintf("Authenticate");
                                //for now replay captured auth (as cc not updated)
                                memcpy(check+5,MAC,4);
-                               Dbprintf("     AA: %02x %02x %02x %02x",
-                                       check[5], check[6], check[7],check[8]);
+                //Dbprintf("     AA: %02x %02x %02x %02x",
+                //     check[5], check[6], check[7],check[8]);
                                ReaderTransmitIClass(check, sizeof(check));
                                if(ReaderReceiveIClass(resp) == 4) {
                                   Dbprintf("     AR: %02x %02x %02x %02x",
                                ReaderTransmitIClass(check, sizeof(check));
                                if(ReaderReceiveIClass(resp) == 4) {
                                   Dbprintf("     AR: %02x %02x %02x %02x",
@@ -1675,89 +1699,6 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
        LED_A_OFF();
 }
 
        LED_A_OFF();
 }
 
-//1. Create Method to Read sectors/blocks 0,1,2 and Send to client
-void IClass_iso14443A_GetPublic(uint8_t arg0) {
-       uint8_t act_all[]     = { 0x0a };
-       uint8_t identify[]    = { 0x0c };
-       uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-       uint8_t readcheck_cc[]= { 0x88, 0x02 }; 
-
-    uint8_t card_data[24]={0};
-    uint8_t* resp = (((uint8_t *)BigBuf) + 3560);      // was 3560 - tied to other size changes
-    FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-
-    int read_success= 0;
-
-    // Enable and clear the trace
-    iso14a_set_tracing(TRUE);
-    iso14a_clear_trace();
-
-       // Setup SSC
-       FpgaSetupSsc();
-       // Start from off (no field generated)
-       // Signal field is off with the appropriate LED
-       LED_D_OFF();
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelay(200);
-
-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
-
-       // Now give it time to spin up.
-       // Signal field is on with the appropriate LED
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-       SpinDelay(200);
-
-       LED_A_ON();
-
-    // Send act_all
-    ReaderTransmitIClass(act_all, 1);
-    // Card present?
-    if(ReaderReceiveIClass(resp)) {
-        ReaderTransmitIClass(identify, 1);
-        if(ReaderReceiveIClass(resp) == 10) {
-            //Copy the Anti-collision CSN to our select-packet
-            memcpy(&select[1],resp,8);
-            Dbprintf("Anti-collision CSN: %02x %02x %02x %02x %02x %02x %02x %02x",resp[0], resp[1], resp[2],
-                    resp[3], resp[4], resp[5],
-                    resp[6], resp[7]);
-            //Select the card
-            ReaderTransmitIClass(select, sizeof(select));
-
-            if(ReaderReceiveIClass(resp) == 10) {
-                Dbprintf("     Selected CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
-                resp[0], resp[1], resp[2],
-                resp[3], resp[4], resp[5],
-                resp[6], resp[7]);
-                //Save CSN in response data
-                memcpy(card_data,resp,8);
-                //Flag that we got to at least stage 1, read CSN
-                read_success = 1;
-
-                // Card selected
-                Dbprintf("Readcheck on Sector 2");
-                ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
-                if(ReaderReceiveIClass(resp) == 8) {
-                   Dbprintf("     CC: %02x %02x %02x %02x %02x %02x %02x %02x",
-                    resp[0], resp[1], resp[2],
-                    resp[3], resp[4], resp[5],
-                    resp[6], resp[7]);
-                //Save CC (e-purse) in response data
-                memcpy(card_data+8,resp,8);
-                //Got both
-                read_success = 2;
-                }
-            }
-        }
-    }
-    WDT_HIT();
-
-       LED_A_OFF();
-       LED_B_ON();
-    //Send back to client
-    cmd_send(CMD_ACK,read_success,0,0,card_data,16);
-       LED_B_OFF();
-}
-
 //2. Create Read method (cut-down from above) based off responses from 1. 
 //   Since we have the MAC could continue to use replay function.
 //3. Create Write method
 //2. Create Read method (cut-down from above) based off responses from 1. 
 //   Since we have the MAC could continue to use replay function.
 //3. Create Write method
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