X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/88499d8694c8c7408bff5dd74a1a8134a49caf84..f2b0169cc69c9bb963c58d419bb8e313dcbe5b24:/armsrc/lfops.c
diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index a3f7a02f..641c02e8 100644
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -387,7 +387,8 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
int i;
uint8_t *tab = BigBuf_get_addr();
- FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+ //note FpgaDownloadAndGo destroys the bigbuf so be sure this is called before now...
+ //FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT | GPIO_SSC_CLK;
@@ -401,13 +402,19 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
i = 0;
for(;;) {
//wait until SSC_CLK goes HIGH
+ int ii = 0;
while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {
- if(BUTTON_PRESS() || (usb_poll_validate_length() )) {
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- DbpString("Stopped");
- return;
+ //only check every 1000th time (usb_poll_validate_length on some systems was too slow)
+ if ( ii == 1000 ) {
+ if (BUTTON_PRESS() || usb_poll_validate_length() ) {
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ DbpString("Stopped");
+ return;
+ }
+ ii=0;
}
WDT_HIT();
+ ii++;
}
if (ledcontrol)
LED_D_ON();
@@ -419,14 +426,20 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
if (ledcontrol)
LED_D_OFF();
+ ii=0;
//wait until SSC_CLK goes LOW
while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK) {
- if(BUTTON_PRESS() || (usb_poll_validate_length() )) {
- DbpString("Stopped");
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- return;
+ //only check every 1000th time (usb_poll_validate_length on some systems was too slow)
+ if ( ii == 1000 ) {
+ if (BUTTON_PRESS() || usb_poll_validate_length() ) {
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ DbpString("Stopped");
+ return;
+ }
+ ii=0;
}
WDT_HIT();
+ ii++;
}
i++;
@@ -545,6 +558,9 @@ void CmdHIDsimTAG(int hi, int lo, int ledcontrol)
DbpString("Tags can only have 44 bits. - USE lf simfsk for larger tags");
return;
}
+ // set LF so we don't kill the bigbuf we are setting with simulation data.
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
fc(0,&n);
// special start of frame marker containing invalid bit sequences
fc(8, &n); fc(8, &n); // invalid
@@ -595,6 +611,9 @@ void CmdFSKsimTAG(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
uint8_t clk = arg2 & 0xFF;
uint8_t invert = (arg2 >> 8) & 1;
+ // set LF so we don't kill the bigbuf we are setting with simulation data.
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
for (i=0; i<size; i++){
if (BitStream[i] == invert){
fcAll(fcLow, &n, clk, &modCnt);
@@ -670,6 +689,9 @@ void CmdASKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
uint8_t separator = arg2 & 1;
uint8_t invert = (arg2 >> 8) & 1;
+ // set LF so we don't kill the bigbuf we are setting with simulation data.
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
if (encoding==2){ //biphase
uint8_t phase=0;
for (i=0; i<size; i++){
@@ -741,6 +763,9 @@ void CmdPSKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
uint8_t carrier = arg1 & 0xFF;
uint8_t invert = arg2 & 0xFF;
uint8_t curPhase = 0;
+ // set LF so we don't kill the bigbuf we are setting with simulation data.
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
for (i=0; i<size; i++){
if (BitStream[i] == curPhase){
pskSimBit(carrier, &n, clk, &curPhase, FALSE);
@@ -769,6 +794,7 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
size_t size;
uint32_t hi2=0, hi=0, lo=0;
int idx=0;
+ int dummyIdx = 0;
// Configure to go in 125Khz listen mode
LFSetupFPGAForADC(95, true);
@@ -784,7 +810,7 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
// FSK demodulator
//size = sizeOfBigBuff; //variable size will change after demod so re initialize it before use
size = 50*128*2; //big enough to catch 2 sequences of largest format
- idx = HIDdemodFSK(dest, &size, &hi2, &hi, &lo);
+ idx = HIDdemodFSK(dest, &size, &hi2, &hi, &lo, &dummyIdx);
if (idx>0 && lo>0 && (size==96 || size==192)){
// go over previously decoded manchester data and decode into usable tag ID
@@ -861,7 +887,7 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
{
uint8_t *dest = BigBuf_get_addr();
size_t size;
- int idx=0;
+ int idx=0, dummyIdx=0;
//clear read buffer
BigBuf_Clear_keep_EM();
// Configure to go in 125Khz listen mode
@@ -875,7 +901,7 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
DoAcquisition_default(-1,true);
// FSK demodulator
size = 50*128*2; //big enough to catch 2 sequences of largest format
- idx = AWIDdemodFSK(dest, &size);
+ idx = AWIDdemodFSK(dest, &size, &dummyIdx);
if (idx<=0 || size!=96) continue;
// Index map
@@ -1017,6 +1043,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
uint8_t version=0;
uint8_t facilitycode=0;
uint16_t number=0;
+ int dummyIdx=0;
//clear read buffer
BigBuf_Clear_keep_EM();
// Configure to go in 125Khz listen mode
@@ -1028,7 +1055,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
DoAcquisition_default(-1,true);
//fskdemod and get start index
WDT_HIT();
- idx = IOdemodFSK(dest, BigBuf_max_traceLen());
+ idx = IOdemodFSK(dest, BigBuf_max_traceLen(), &dummyIdx);
if (idx<0) continue;
//valid tag found
@@ -1390,10 +1417,10 @@ void CopyIndala224toT55x7(uint32_t uid1, uint32_t uid2, uint32_t uid3, uint32_t
//Program the 7 data blocks for supplied 224bit UID
uint32_t data[] = {0, uid1, uid2, uid3, uid4, uid5, uid6, uid7};
// and the block 0 for Indala224 format
- //Config for Indala (RF/32;PSK1 with RF/2;Maxblock=7)
- data[0] = T55x7_BITRATE_RF_32 | T55x7_MODULATION_PSK1 | (7 << T55x7_MAXBLOCK_SHIFT);
+ //Config for Indala (RF/32;PSK2 with RF/2;Maxblock=7)
+ data[0] = T55x7_BITRATE_RF_32 | T55x7_MODULATION_PSK2 | (7 << T55x7_MAXBLOCK_SHIFT);
//TODO add selection of chip for Q5 or T55x7
- // data[0] = (((32-2)>>1)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_PSK1 | 7 << T5555_MAXBLOCK_SHIFT;
+ // data[0] = (((32-2)>>1)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_PSK2 | 7 << T5555_MAXBLOCK_SHIFT;
WriteT55xx(data, 0, 8);
//Alternative config for Indala (Extended mode;RF/32;PSK1 with RF/2;Maxblock=7;Inverse data)
// T5567WriteBlock(0x603E10E2,0);