FIX: 'hf 14a sim x' - this fixes the error with using moebius attack and sim. Updat...

[proxmark3-svn] / armsrc / lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 71d9ba95db49488dabf1c6c13f7ef0f6a6edc4ce..28927c33b1357dedd62f88603550ed7b0b391c1e 100644 (file)
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -1737,3 +1737,49 @@ void EM4xWriteWord(uint32_t Data, uint8_t Address, uint32_t Pwd, uint8_t PwdMode
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
        LED_D_OFF();
 }
+
+void Cotag() {
+
+#define WAIT2200       { FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); WaitUS(2200); }
+
+       LED_A_ON();
+       
+       //clear buffer now so it does not interfere with timing later
+       BigBuf_Clear_keep_EM();
+
+       // Set up FPGA, 132kHz to power up the tag
+       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+       FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 89);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
+
+       // Connect the A/D to the peak-detected low-frequency path.
+       SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
+       
+       // 50ms for the resonant antenna to settle.
+       SpinDelay(50);
+       
+       // Now set up the SSC to get the ADC samples that are now streaming at us.
+       FpgaSetupSsc();
+       // start a 1.5ticks is 1us
+       StartTicks();
+       
+       //send start pulse
+       TurnReadLFOn(800);
+       WAIT2200
+       TurnReadLFOn(3600);
+       WAIT2200
+       TurnReadLFOn(800);
+       WAIT2200
+       TurnReadLFOn(3600);     
+       
+       // Turn field on to read the response
+       TurnReadLFOn(READ_GAP);
+       
+       // Acquisition
+       doT55x7Acquisition(20000);
+       
+       // Turn the field off
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
+       cmd_send(CMD_ACK,0,0,0,0,0);    
+       LED_A_OFF();
+}