X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c15d2bdc9b25da89931c767902639fa7e8c9b764..7fa7e812fc913e391ada3008db059bb4393b4804:/armsrc/iso15693.c
diff --git a/armsrc/iso15693.c b/armsrc/iso15693.c
index 11a49902..e65e7958 100644
--- a/armsrc/iso15693.c
+++ b/armsrc/iso15693.c
@@ -58,14 +58,12 @@
// *) document all the functions
-#include "../include/proxmark3.h"
+#include "proxmark3.h"
#include "util.h"
#include "apps.h"
#include "string.h"
-#include "../common/iso15693tools.h"
-#include "../common/cmd.h"
-#include "crapto1.h"
-#include "mifareutil.h"
+#include "iso15693tools.h"
+#include "cmd.h"
#define arraylen(x) (sizeof(x)/sizeof((x)[0]))
@@ -297,21 +295,19 @@ static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int
// number of decoded bytes
static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
{
- int c = 0;
- uint8_t *dest = (uint8_t *)BigBuf;
- int getNext = 0;
+ uint8_t *dest = BigBuf_get_addr();
+ int c = 0;
+ int getNext = FALSE;
int8_t prev = 0;
-// NOW READ RESPONSE
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
- //spindelay(60); // greg - experiment to get rid of some of the 0 byte/failed reads
- c = 0;
- getNext = FALSE;
+ SpinDelay(100); // greg - experiment to get rid of some of the 0 byte/failed reads
+
for(;;) {
- if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+ if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))
AT91C_BASE_SSC->SSC_THR = 0x43;
- }
+
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
int8_t b;
b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
@@ -321,18 +317,7 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
// every other is Q. We just want power, so abs(I) + abs(Q) is
// close to what we want.
if(getNext) {
- int8_t r;
-
- if(b < 0) {
- r = -b;
- } else {
- r = b;
- }
- if(prev < 0) {
- r -= prev;
- } else {
- r += prev;
- }
+ int8_t r = ABS(b) + ABS(prev);
dest[c++] = (uint8_t)r;
@@ -439,29 +424,26 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
} // "end if correlation > 0" (max/(arraylen(FrameSOF)/skip))
return k; // return the number of bytes demodulated
-/// DbpString("CRC=%04x", Iso15693Crc(outBuf, k-2));
-
+// DbpString("CRC=%04x", Iso15693Crc(outBuf, k-2));
}
// Now the GetISO15693 message from sniffing command
static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
{
- int c = 0;
- uint8_t *dest = (uint8_t *)BigBuf;
- int getNext = 0;
+ uint8_t *dest = BigBuf_get_addr();
+ int c = 0;
+ int getNext = FALSE;
int8_t prev = 0;
- // NOW READ RESPONSE
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
- //spindelay(60); // greg - experiment to get rid of some of the 0 byte/failed reads
- c = 0;
- getNext = FALSE;
+ SpinDelay(100); // greg - experiment to get rid of some of the 0 byte/failed reads
+
for(;;) {
- if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+ if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))
AT91C_BASE_SSC->SSC_THR = 0x43;
- }
+
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
int8_t b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
@@ -469,9 +451,10 @@ static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int
// tone that the tag AM-modulates, so every other sample is I,
// every other is Q. We just want power, so abs(I) + abs(Q) is
// close to what we want.
- if (getNext) {
+ if(getNext) {
+ int8_t r = ABS(b) + ABS(prev);
- dest[c++] = abs(b) + abs(prev);
+ dest[c++] = (uint8_t)r;
if(c >= 20000) {
break;
@@ -586,7 +569,7 @@ static void BuildIdentifyRequest(void);
//-----------------------------------------------------------------------------
void AcquireRawAdcSamplesIso15693(void)
{
- uint8_t *dest = mifare_get_bigbufptr();
+ uint8_t *dest = BigBuf_get_addr();
int c = 0;
int getNext = 0;
@@ -638,18 +621,7 @@ void AcquireRawAdcSamplesIso15693(void)
// every other is Q. We just want power, so abs(I) + abs(Q) is
// close to what we want.
if(getNext) {
- int8_t r;
-
- if(b < 0) {
- r = -b;
- } else {
- r = b;
- }
- if(prev < 0) {
- r -= prev;
- } else {
- r += prev;
- }
+ int8_t r = ABS(b) + ABS(prev);
dest[c++] = (uint8_t)r;
@@ -668,7 +640,7 @@ void AcquireRawAdcSamplesIso15693(void)
void RecordRawAdcSamplesIso15693(void)
{
- uint8_t *dest = mifare_get_bigbufptr();
+ uint8_t *dest = BigBuf_get_addr();
int c = 0;
int getNext = 0;
@@ -679,8 +651,8 @@ void RecordRawAdcSamplesIso15693(void)
FpgaSetupSsc();
// Start from off (no field generated)
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(200);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ SpinDelay(200);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
@@ -703,18 +675,7 @@ void RecordRawAdcSamplesIso15693(void)
// every other is Q. We just want power, so abs(I) + abs(Q) is
// close to what we want.
if(getNext) {
- int8_t r;
-
- if(b < 0) {
- r = -b;
- } else {
- r = b;
- }
- if(prev < 0) {
- r -= prev;
- } else {
- r += prev;
- }
+ int8_t r = ABS(b) + ABS(prev);
dest[c++] = (uint8_t)r;
@@ -867,12 +828,12 @@ int SendDataTag(uint8_t *send, int sendlen, int init, int speed, uint8_t **recv)
LED_C_OFF();
LED_D_OFF();
+ if (init) Iso15693InitReader();
+
int answerLen=0;
- uint8_t *answer = (((uint8_t *)BigBuf) + 3660);
- if (recv!=NULL) memset(BigBuf + 3660, 0, 100);
+ uint8_t *answer = BigBuf_get_addr() + 3660;
+ if (recv != NULL) memset(answer, 0, 100);
- if (init) Iso15693InitReader();
-
if (!speed) {
// low speed (1 out of 256)
CodeIso15693AsReader256(send, sendlen);
@@ -893,10 +854,7 @@ int SendDataTag(uint8_t *send, int sendlen, int init, int speed, uint8_t **recv)
*recv=answer;
}
- LED_A_OFF();
- LED_B_OFF();
- LED_C_OFF();
- LED_D_OFF();
+ LEDsoff();
return answerLen;
}
@@ -982,17 +940,13 @@ void SetDebugIso15693(uint32_t debug) {
// Simulate an ISO15693 reader, perform anti-collision and then attempt to read a sector
// all demodulation performed in arm rather than host. - greg
//-----------------------------------------------------------------------------
-void ReaderIso15693(uint32_t parameter )
+void ReaderIso15693(uint32_t parameter)
{
LED_A_ON();
LED_B_ON();
LED_C_OFF();
LED_D_OFF();
- uint8_t *answer1 = (((uint8_t *)BigBuf) + 3660); //
- uint8_t *answer2 = (((uint8_t *)BigBuf) + 3760);
- uint8_t *answer3 = (((uint8_t *)BigBuf) + 3860);
-
int answerLen1 = 0;
int answerLen2 = 0;
int answerLen3 = 0;
@@ -1003,20 +957,22 @@ void ReaderIso15693(uint32_t parameter )
int elapsed = 0;
uint8_t TagUID[8] = {0x00};
-
- // Blank arrays
- memset(BigBuf + 3660, 0x00, 300);
-
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+ uint8_t *answer1 = BigBuf_get_addr() + 3660;
+ uint8_t *answer2 = BigBuf_get_addr() + 3760;
+ uint8_t *answer3 = BigBuf_get_addr() + 3860;
+ // Blank arrays
+ memset(answer1, 0x00, 300);
+
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
// Setup SSC
FpgaSetupSsc();
// Start from off (no field generated)
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(200);
-
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ SpinDelay(200);
+
// Give the tags time to energize
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
SpinDelay(200);
@@ -1055,7 +1011,7 @@ void ReaderIso15693(uint32_t parameter )
Dbhexdump(answerLen1,answer1,true);
// UID is reverse
- if (answerLen1 >= 12)
+ if (answerLen1>=12)
Dbprintf("UID = %02hX%02hX%02hX%02hX%02hX%02hX%02hX%02hX",
TagUID[7],TagUID[6],TagUID[5],TagUID[4],
TagUID[3],TagUID[2],TagUID[1],TagUID[0]);
@@ -1069,14 +1025,14 @@ void ReaderIso15693(uint32_t parameter )
DbdecodeIso15693Answer(answerLen3,answer3);
Dbhexdump(answerLen3,answer3,true);
- // read all pages
- if (answerLen1 >= 12 && DEBUG) {
+ // read all pages
+ if (answerLen1>=12 && DEBUG) {
i=0;
- while (i < 32) { // sanity check, assume max 32 pages
+ while (i<32) { // sanity check, assume max 32 pages
BuildReadBlockRequest(TagUID,i);
- TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);
- answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed);
- if (answerLen2 > 0) {
+ TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);
+ answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed);
+ if (answerLen2>0) {
Dbprintf("READ SINGLE BLOCK %d returned %d octets:",i,answerLen2);
DbdecodeIso15693Answer(answerLen2,answer2);
Dbhexdump(answerLen2,answer2,true);
@@ -1101,25 +1057,23 @@ void SimTagIso15693(uint32_t parameter, uint8_t *uid)
LED_C_OFF();
LED_D_OFF();
- uint8_t *buf = (((uint8_t *)BigBuf) + 3660); //
-
int answerLen1 = 0;
int samples = 0;
int tsamples = 0;
int wait = 0;
int elapsed = 0;
-
- memset(buf, 0x00, 100);
-
+
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
- SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+ uint8_t *buf = BigBuf_get_addr() + 3660;
+ memset(buf, 0x00, 100);
+ SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
FpgaSetupSsc();
// Start from off (no field generated)
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(200);
+ SpinDelay(200);
LED_A_OFF();
LED_B_OFF();
@@ -1136,7 +1090,7 @@ void SimTagIso15693(uint32_t parameter, uint8_t *uid)
BuildInventoryResponse(uid);
- TransmitTo15693Reader(ToSend, ToSendMax, &tsamples, &wait);
+ TransmitTo15693Reader(ToSend,ToSendMax, &tsamples, &wait);
}
Dbprintf("%d octets read from reader command: %x %x %x %x %x %x %x %x %x", answerLen1,
@@ -1203,7 +1157,7 @@ void BruteforceIso15693Afi(uint32_t speed)
void DirectTag15693Command(uint32_t datalen,uint32_t speed, uint32_t recv, uint8_t data[]) {
int recvlen=0;
- uint8_t *recvbuf=(uint8_t *)BigBuf;
+ uint8_t *recvbuf = BigBuf_get_addr();
// UsbCommand n;
if (DEBUG) {