X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b0127e65f1bef754e0ac72893e2ba99f9ca7f106..04202e7aa76dd9f0628d8245ae01fd224e5fbf17:/armsrc/iso14443a.c

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index 530418e5..780a7ca0 100644
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -21,7 +21,7 @@
 #include "mifareutil.h"
 
 static uint32_t iso14a_timeout;
-uint8_t *trace = (uint8_t *) BigBuf;
+uint8_t *trace = (uint8_t *) BigBuf+TRACE_OFFSET;
 int traceLen = 0;
 int rsamples = 0;
 int tracing = TRUE;
@@ -68,12 +68,15 @@ void iso14a_set_trigger(int enable) {
 	trigger = enable;
 }
 
-void iso14a_clear_tracelen(void) {
+void iso14a_clear_trace(void) {
+    memset(trace, 0x44, TRACE_SIZE);
 	traceLen = 0;
 }
+
 void iso14a_set_tracing(int enable) {
 	tracing = enable;
 }
+
 void iso14a_set_timeout(uint32_t timeout) {
 	iso14a_timeout = timeout;
 }
@@ -580,8 +583,7 @@ void RAMFUNC SnoopIso14443a(uint8_t param) {
 	
 	LEDsoff();
 	// init trace buffer
-	traceLen = 0;
-	memset(trace, 0x44, TRACE_SIZE);
+    iso14a_clear_trace();
 
 	// We won't start recording the frames that we acquire until we trigger;
 	// a good trigger condition to get started is probably when we see a
@@ -905,8 +907,7 @@ void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd)
 {
   // Enable and clear the trace
 	tracing = TRUE;
-	traceLen = 0;
-  memset(trace, 0x44, TRACE_SIZE);
+  iso14a_clear_trace();
 
 	// This function contains the tag emulation
 	uint8_t sak;
@@ -1769,6 +1770,7 @@ void ReaderIso14443a(UsbCommand * c, UsbCommand * ack)
 	iso14a_command_t param = c->arg[0];
 	uint8_t * cmd = c->d.asBytes;
 	size_t len = c->arg[1];
+	uint8_t *receiveBuf = (((uint8_t *)BigBuf) + FREE_BUFFER_OFFSET);
 
 	if(param & ISO14A_REQUEST_TRIGGER) iso14a_set_trigger(1);
 
@@ -1787,7 +1789,19 @@ void ReaderIso14443a(UsbCommand * c, UsbCommand * ack)
 	}
 
 	if(param & ISO14A_APDU) {
-		ack->arg[0] = iso14_apdu(cmd, len, ack->d.asBytes);
+  	memcpy(receiveBuf, ack->d.asBytes, len);
+		ack->arg[0] = iso14_apdu(cmd, len, receiveBuf);
+		
+    while(ack->arg[0] > sizeof(ack->d))
+    {
+      memcpy(ack->d.asBytes, receiveBuf, sizeof(ack->d));  		
+  		UsbSendPacket((void *)ack, sizeof(UsbCommand));
+
+      receiveBuf+=sizeof(ack->d);
+  		ack->arg[0]-=sizeof(ack->d);
+		}
+		
+		memcpy(ack->d.asBytes, receiveBuf, ack->arg[0]);
 		UsbSendPacket((void *)ack, sizeof(UsbCommand));
 	}
 
@@ -1849,11 +1863,12 @@ void ReaderMifare(uint32_t parameter)
 
 	while(TRUE)
 	{
-		LED_C_ON();
+		LED_C_OFF();
 		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-		SpinDelay(200);
+		SpinDelay(50);
 		FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
-		LED_C_OFF();
+		LED_C_ON();
+		SpinDelay(2);
 
 		// Test if the action was cancelled
 		if(BUTTON_PRESS()) {
@@ -2379,8 +2394,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
 	// C(red) A(yellow) B(green)
 	LEDsoff();
 	// init trace buffer
-	traceLen = 0;
-	memset(trace, 0x44, TRACE_SIZE);
+    iso14a_clear_trace();
 
 	// The command (reader -> tag) that we're receiving.
 	// The length of a received command will in most cases be no more than 18 bytes.
@@ -2512,4 +2526,4 @@ done:
 	
 	Dbprintf("maxDataLen=%x, Uart.state=%x, Uart.byteCnt=%x Uart.byteCntMax=%x", maxDataLen, Uart.state, Uart.byteCnt, Uart.byteCntMax);
 	LEDsoff();
-}
\ No newline at end of file
+}