speed up the em4x05 cmds by only getting 6k...

[proxmark3-svn] / armsrc / lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 72ab360e7315e1b61132d3357369718990f2e025..cfe032fc45eab9277995a94843604886fa980094 100644 (file)
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -1573,14 +1573,14 @@ void SendForward(uint8_t fwd_bit_count) {
 
        // Set up FPGA, 125kHz
        LFSetupFPGAForADC(95, true);
 
        // Set up FPGA, 125kHz
        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
        // 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
+       SpinDelayUs(56*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
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on

-       SpinDelayUs(16*8); //16 cycles on (8us each)
+       SpinDelayUs(18*8); //16 cycles on (8us each)  // another reader has 18 here

 
        // now start writting
        while(fwd_bit_sz-- > 0) { //prepare next bit modulation
 
        // now start writting
        while(fwd_bit_sz-- > 0) { //prepare next bit modulation


@@ -1589,9 +1589,9 @@ void SendForward(uint8_t fwd_bit_count) {
                else {
                        //These timings work for 4469/4269/4305 (with the 55*8 above)
                        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
                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
+                       SpinDelayUs(23*8); //16-4 cycles off (8us each) //23  //one reader goes as high as 25 here

                        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on
                        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on

-                       SpinDelayUs(12*8); //16 cycles on (8us each) //9
+                       SpinDelayUs(16*8); //16 cycles on (8us each) //9  // another reader goes to 17 here

                }
        }
 }
                }
        }
 }


@@ -1628,7 +1628,7 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) {
        SendForward(fwd_bit_count);
 
        // Now do the acquisition
        SendForward(fwd_bit_count);
 
        // Now do the acquisition

-       DoAcquisition_default(30,TRUE);
+       doT55x7Acquisition(6000);

        
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
        LED_A_OFF();
        
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
        LED_A_OFF();


@@ -1656,7 +1656,7 @@ void EM4xWriteWord(uint32_t flag, uint32_t Data, uint32_t Pwd) {
        SendForward(fwd_bit_count);
 
        //Wait for write to complete
        SendForward(fwd_bit_count);
 
        //Wait for write to complete

-       SpinDelayUs(8000);
+       SpinDelay(10);

 
        //Capture response if one exists
        DoAcquisition_default(20, TRUE);
 
        //Capture response if one exists
        DoAcquisition_default(20, TRUE);