X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/2da2e9283771f20e4fb809709ea1c97c0636e455..5f605b8fc859f495ecf25184fbee9f8eca1f96d2:/armsrc/iso14443b.c?ds=sidebyside

diff --git a/armsrc/iso14443b.c b/armsrc/iso14443b.c
index 416c31f9..10b9e953 100644
--- a/armsrc/iso14443b.c
+++ b/armsrc/iso14443b.c
@@ -334,6 +334,8 @@ void SimulateIso14443bTag(void)
 		0x00, 0x21, 0x85, 0x5e, 0xd7
 	};
 
+	FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+
 	clear_trace();
 	set_tracing(TRUE);
 
@@ -348,8 +350,6 @@ void SimulateIso14443bTag(void)
 	uint16_t len;
 	uint16_t cmdsRecvd = 0;
 
-	FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-
 	// prepare the (only one) tag answer:
 	CodeIso14443bAsTag(response1, sizeof(response1));
 	uint8_t *resp1Code = BigBuf_malloc(ToSendMax);
@@ -908,9 +908,6 @@ static void CodeAndTransmit14443bAsReader(const uint8_t *cmd, int len)
 //-----------------------------------------------------------------------------
 void ReadSTMemoryIso14443b(uint32_t dwLast)
 {
-	clear_trace();
-	set_tracing(TRUE);
-
 	uint8_t i = 0x00;
 
 	FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
@@ -929,6 +926,9 @@ void ReadSTMemoryIso14443b(uint32_t dwLast)
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR | FPGA_HF_READER_RX_XCORR_848_KHZ);
 	SpinDelay(200);
 
+	clear_trace();
+	set_tracing(TRUE);
+
 	// First command: wake up the tag using the INITIATE command
 	uint8_t cmd1[] = {0x06, 0x00, 0x97, 0x5b};
 	CodeAndTransmit14443bAsReader(cmd1, sizeof(cmd1));
@@ -1200,16 +1200,18 @@ void SendRawCommand14443B(uint32_t datalen, uint32_t recv, uint8_t powerfield, u
 	SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
 	FpgaSetupSsc();
 
-	set_tracing(TRUE);
-	
-	CodeAndTransmit14443bAsReader(data, datalen);
+	if (datalen){
+		set_tracing(TRUE);
+		
+		CodeAndTransmit14443bAsReader(data, datalen);
+
+		if(recv) {
+			GetSamplesFor14443bDemod(RECEIVE_SAMPLES_TIMEOUT, TRUE);
+			uint16_t iLen = MIN(Demod.len, USB_CMD_DATA_SIZE);
+			cmd_send(CMD_ACK, iLen, 0, 0, Demod.output, iLen);
+		}
+	} 
 
-	if(recv) {
-		GetSamplesFor14443bDemod(RECEIVE_SAMPLES_TIMEOUT, TRUE);
-		uint16_t iLen = MIN(Demod.len, USB_CMD_DATA_SIZE);
-		cmd_send(CMD_ACK, iLen, 0, 0, Demod.output, iLen);
-	}
-	
 	if(!powerfield) {
 		FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 		LED_D_OFF();