FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
//FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT | FPGA_LF_EDGE_DETECT_READER_FIELD);
//FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT | FPGA_LF_EDGE_DETECT_TOGGLE_MODE );
+
+ // set frequency, get values from 'lf config' command
+ sample_config *sc = getSamplingConfig();
+
+ if ( (sc->divisor == 1) || (sc->divisor < 0) || (sc->divisor > 255) )
+ FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 88); //134.8Khz
+ else if (sc->divisor == 0)
+ FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
+ else
+ FpgaSendCommand(FPGA_CMD_SET_DIVISOR, sc->divisor);
+
SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT | GPIO_SSC_CLK;
// Set up FPGA, 125kHz to power up the tag
LFSetupFPGAForADC(95, true);
- SpinDelay(3);
+ //SpinDelay(3);
// Trigger T55x7 Direct Access Mode with start gap
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
TurnReadLFOn(READ_GAP);
// Acquisition
- doT55x7Acquisition(12000);
+ doT55x7Acquisition(7679);
// Turn the field off
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off