X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c85858f5247daf444cf2db070ba54df4f646d9f8..8c0ccdef357a5a940788cb81730f4847fe47606a:/armsrc/lfops.c?ds=inline diff --git a/armsrc/lfops.c b/armsrc/lfops.c index 72ab360e..75aa1342 100644 --- a/armsrc/lfops.c +++ b/armsrc/lfops.c @@ -1571,27 +1571,27 @@ void SendForward(uint8_t fwd_bit_count) { fwd_write_ptr = forwardLink_data; fwd_bit_sz = fwd_bit_count; - // Set up FPGA, 125kHz + // Set up FPGA, 125kHz or 95 divisor LFSetupFPGAForADC(95, true); - + // force 1st mod pulse (start gap must be longer for 4305) fwd_bit_sz--; //prepare next bit modulation fwd_write_ptr++; FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off - SpinDelayUs(55*8); //55 cycles off (8us each)for 4305 + WaitUS(55*8); //55 cycles off (8us each)for 4305 //another reader has 37 here... FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on - SpinDelayUs(16*8); //16 cycles on (8us each) + WaitUS(18*8); //18 cycles on (8us each) // now start writting while(fwd_bit_sz-- > 0) { //prepare next bit modulation if(((*fwd_write_ptr++) & 1) == 1) - SpinDelayUs(32*8); //32 cycles at 125Khz (8us each) + WaitUS(32*8); //32 cycles at 125Khz (8us each) else { //These timings work for 4469/4269/4305 (with the 55*8 above) FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off - SpinDelayUs(20*8); //16-4 cycles off (8us each) //23 + WaitUS(23*8); //23 cycles off (8us each) FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on - SpinDelayUs(12*8); //16 cycles on (8us each) //9 + WaitUS(18*8); //18 cycles on (8us each) } } } @@ -1618,6 +1618,7 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) { BigBuf_Clear_ext(false); LED_A_ON(); + StartTicks(); //If password mode do login if (PwdMode == 1) EM4xLogin(Pwd); @@ -1626,9 +1627,9 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) { fwd_bit_count += Prepare_Addr( Address ); SendForward(fwd_bit_count); - + WaitUS(400); // Now do the acquisition - DoAcquisition_default(30,TRUE); + DoPartialAcquisition(20, true, 6000); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off LED_A_OFF(); @@ -1645,6 +1646,7 @@ void EM4xWriteWord(uint32_t flag, uint32_t Data, uint32_t Pwd) { BigBuf_Clear_ext(false); LED_A_ON(); + StartTicks(); //If password mode do login if (PwdMode) EM4xLogin(Pwd); @@ -1656,10 +1658,11 @@ void EM4xWriteWord(uint32_t flag, uint32_t Data, uint32_t Pwd) { SendForward(fwd_bit_count); //Wait for write to complete - SpinDelayUs(8000); + //SpinDelay(10); + WaitUS(6500); //Capture response if one exists - DoAcquisition_default(20, TRUE); + DoPartialAcquisition(20, true, 6000); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off LED_A_OFF();