X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7d5ebac99397fe7661760259377a4f222fdb92cb..01629305d89515f93a6242c945eb6663db0a6060:/armsrc/iso15693.c?ds=inline
diff --git a/armsrc/iso15693.c b/armsrc/iso15693.c
index 94040a85..a6ad58ae 100644
--- a/armsrc/iso15693.c
+++ b/armsrc/iso15693.c
@@ -223,7 +223,7 @@ static void CodeIso15693AsReader256(uint8_t *cmd, int n)
static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *wait)
{
int c;
-
+ volatile uint32_t r;
// FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX);
if(*wait < 10) { *wait = 10; }
@@ -231,10 +231,10 @@ static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *w
// for(c = 0; c < *wait;) {
// if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
// AT91C_BASE_SSC->SSC_THR = 0x00; // For exact timing!
-// c++;
+// ++c;
// }
// if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
-// volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+// r = AT91C_BASE_SSC->SSC_RHR;
// (void)r;
// }
// WDT_HIT();
@@ -244,13 +244,10 @@ static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *w
for(;;) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
AT91C_BASE_SSC->SSC_THR = cmd[c];
- c++;
- if(c >= len) {
- break;
- }
+ if( ++c >= len) break;
}
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
- volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+ r = AT91C_BASE_SSC->SSC_RHR;
(void)r;
}
WDT_HIT();
@@ -264,19 +261,17 @@ static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *w
static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int *wait)
{
int c = 0;
+ volatile uint32_t r;
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR|FPGA_HF_SIMULATOR_MODULATE_424K);
if(*wait < 10) { *wait = 10; }
for(;;) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
AT91C_BASE_SSC->SSC_THR = cmd[c];
- c++;
- if(c >= len) {
- break;
- }
+ if( ++c >= len) break;
}
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
- volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+ r = AT91C_BASE_SSC->SSC_RHR;
(void)r;
}
WDT_HIT();
@@ -295,21 +290,19 @@ 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 = BigBuf_get_addr();
- int getNext = 0;
+ 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;
@@ -319,18 +312,7 @@ 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;
@@ -437,29 +419,26 @@ 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 = BigBuf_get_addr();
- int getNext = 0;
+ 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;
@@ -468,18 +447,7 @@ static int GetIso15693AnswerFromSniff(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;
@@ -596,13 +564,14 @@ static void BuildIdentifyRequest(void);
//-----------------------------------------------------------------------------
void AcquireRawAdcSamplesIso15693(void)
{
- uint8_t *dest = BigBuf_get_addr();
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
int c = 0;
int getNext = 0;
int8_t prev = 0;
+ volatile uint32_t r;
- FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+ uint8_t *dest = BigBuf_get_addr();
BuildIdentifyRequest();
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
@@ -619,13 +588,10 @@ void AcquireRawAdcSamplesIso15693(void)
for(;;) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
AT91C_BASE_SSC->SSC_THR = ToSend[c];
- c++;
- if(c == ToSendMax+3) {
- break;
- }
+ if( ++c == ToSendMax+3) break;
}
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
- volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+ r = AT91C_BASE_SSC->SSC_RHR;
(void)r;
}
WDT_HIT();
@@ -636,9 +602,9 @@ void AcquireRawAdcSamplesIso15693(void)
c = 0;
getNext = FALSE;
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;
@@ -648,24 +614,11 @@ 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;
- }
+
+ dest[c++] = (uint8_t)(ABS(b) + ABS(prev));
- dest[c++] = (uint8_t)r;
-
- if(c >= 2000) {
- break;
- }
+ if(c >= 2000) break;
+
} else {
prev = b;
}
@@ -689,8 +642,8 @@ 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);
@@ -713,18 +666,7 @@ 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;
@@ -877,12 +819,12 @@ 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 = 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);
@@ -903,10 +845,7 @@ 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;
}
@@ -999,10 +938,6 @@ void ReaderIso15693(uint32_t parameter)
LED_C_OFF();
LED_D_OFF();
- uint8_t *answer1 = BigBuf_get_addr() + 3660;
- uint8_t *answer2 = BigBuf_get_addr() + 3760;
- uint8_t *answer3 = BigBuf_get_addr() + 3860;
-
int answerLen1 = 0;
int answerLen2 = 0;
int answerLen3 = 0;
@@ -1013,19 +948,21 @@ void ReaderIso15693(uint32_t parameter)
int elapsed = 0;
uint8_t TagUID[8] = {0x00};
+ 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);
- FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-
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);
@@ -1111,24 +1048,22 @@ void SimTagIso15693(uint32_t parameter, uint8_t *uid)
LED_C_OFF();
LED_D_OFF();
- uint8_t *buf = BigBuf_get_addr() + 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);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelay(200);
LED_A_OFF();