*/
void ReadTItag(void)
{
+ StartTicks();
// some hardcoded initial params
// when we read a TI tag we sample the zerocross line at 2Mhz
// TI tags modulate a 1 as 16 cycles of 123.2Khz
DbpString("Info: CRC is good");
}
}
+ StopTicks();
}
void WriteTIbyte(uint8_t b)
HIGH(GPIO_SSC_DOUT);
// Charge TI tag for 50ms.
- SpinDelay(50);
+ WaitMS(50);
// stop modulating antenna and listen
LOW(GPIO_SSC_DOUT);
// if not provided a valid crc will be computed from the data and written.
void WriteTItag(uint32_t idhi, uint32_t idlo, uint16_t crc)
{
+ StartTicks();
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
if(crc == 0) {
crc = update_crc16(crc, (idlo)&0xff);
// modulate antenna
HIGH(GPIO_SSC_DOUT);
- SpinDelay(50); // charge time
+ WaitMS(50); // charge time
WriteTIbyte(0xbb); // keyword
WriteTIbyte(0xeb); // password
WriteTIbyte(0x00); // write frame lo
WriteTIbyte(0x03); // write frame hi
HIGH(GPIO_SSC_DOUT);
- SpinDelay(50); // programming time
+ WaitMS(50); // programming time
LED_A_OFF();
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
DbpString("Now use `lf ti read` to check");
+ StopTicks();
}
void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
{
int i = 0;
- uint8_t *tab = BigBuf_get_addr();
-
- StartTicks();
-
- FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT | FPGA_LF_EDGE_DETECT_READER_FIELD);
+ uint8_t *buf = BigBuf_get_addr();
+ 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 );
+ SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
+
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT | GPIO_SSC_CLK;
AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;
AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_CLK;
+ // power on antenna
+ // OPEN_COIL();
+ // SpinDelay(50);
+
for(;;) {
WDT_HIT();
if (ledcontrol) LED_D_ON();
- //wait until SSC_CLK goes HIGH
+ // wait until SSC_CLK goes HIGH
+ // used as a simple detection of a reader field?
while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {
WDT_HIT();
- if ( usb_poll_validate_length() || BUTTON_PRESS() ) {
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- LED_D_OFF();
- return;
- }
+ if ( usb_poll_validate_length() || BUTTON_PRESS() )
+ goto OUT;
}
- if(tab[i])
+ if(buf[i])
OPEN_COIL();
else
SHORT_COIL();
-
- if (ledcontrol) LED_D_OFF();
-
+
//wait until SSC_CLK goes LOW
while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK) {
WDT_HIT();
- if ( usb_poll_validate_length() || BUTTON_PRESS() ) {
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- LED_D_OFF();
- return;
- }
+ if ( usb_poll_validate_length() || BUTTON_PRESS() )
+ goto OUT;
}
-
+
i++;
if(i == period) {
i = 0;
if (gap) {
WDT_HIT();
SHORT_COIL();
- WaitUS(gap);
+ SpinDelayUs(gap);
}
}
+
+ if (ledcontrol) LED_D_OFF();
}
+OUT:
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ LED_D_OFF();
+ DbpString("Simulation stopped");
+ return;
}
#define DEBUG_FRAME_CONTENTS 1
if (ledcontrol) LED_A_OFF();
*high = hi;
*low = lo;
- return;
+ break;
}
// reset
}
hi2 = hi = lo = idx = 0;
WDT_HIT();
}
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
DbpString("Stopped");
if (ledcontrol) LED_A_OFF();
}
}
break;
}
- if (findone){
- if (ledcontrol) LED_A_OFF();
- return;
- }
+ if (findone)
+ break;
+
idx = 0;
WDT_HIT();
}
+
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
DbpString("Stopped");
if (ledcontrol) LED_A_OFF();
}
if (ledcontrol) LED_A_OFF();
*high=lo>>32;
*low=lo & 0xFFFFFFFF;
- return;
+ break;
}
}
WDT_HIT();
hi = lo = size = idx = 0;
clk = invert = errCnt = 0;
}
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
DbpString("Stopped");
if (ledcontrol) LED_A_OFF();
}
// Checksum: 0x75
//XSF(version)facility:codeone+codetwo
//Handle the data
- if(findone){ //only print binary if we are doing one
- Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx], dest[idx+1], dest[idx+2],dest[idx+3],dest[idx+4],dest[idx+5],dest[idx+6],dest[idx+7],dest[idx+8]);
- Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+9], dest[idx+10],dest[idx+11],dest[idx+12],dest[idx+13],dest[idx+14],dest[idx+15],dest[idx+16],dest[idx+17]);
- Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+18],dest[idx+19],dest[idx+20],dest[idx+21],dest[idx+22],dest[idx+23],dest[idx+24],dest[idx+25],dest[idx+26]);
- Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+27],dest[idx+28],dest[idx+29],dest[idx+30],dest[idx+31],dest[idx+32],dest[idx+33],dest[idx+34],dest[idx+35]);
- Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+36],dest[idx+37],dest[idx+38],dest[idx+39],dest[idx+40],dest[idx+41],dest[idx+42],dest[idx+43],dest[idx+44]);
- Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+45],dest[idx+46],dest[idx+47],dest[idx+48],dest[idx+49],dest[idx+50],dest[idx+51],dest[idx+52],dest[idx+53]);
- Dbprintf("%d%d%d%d%d%d%d%d %d%d",dest[idx+54],dest[idx+55],dest[idx+56],dest[idx+57],dest[idx+58],dest[idx+59],dest[idx+60],dest[idx+61],dest[idx+62],dest[idx+63]);
- }
+ // if(findone){ //only print binary if we are doing one
+ // Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx], dest[idx+1], dest[idx+2],dest[idx+3],dest[idx+4],dest[idx+5],dest[idx+6],dest[idx+7],dest[idx+8]);
+ // Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+9], dest[idx+10],dest[idx+11],dest[idx+12],dest[idx+13],dest[idx+14],dest[idx+15],dest[idx+16],dest[idx+17]);
+ // Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+18],dest[idx+19],dest[idx+20],dest[idx+21],dest[idx+22],dest[idx+23],dest[idx+24],dest[idx+25],dest[idx+26]);
+ // Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+27],dest[idx+28],dest[idx+29],dest[idx+30],dest[idx+31],dest[idx+32],dest[idx+33],dest[idx+34],dest[idx+35]);
+ // Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+36],dest[idx+37],dest[idx+38],dest[idx+39],dest[idx+40],dest[idx+41],dest[idx+42],dest[idx+43],dest[idx+44]);
+ // Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+45],dest[idx+46],dest[idx+47],dest[idx+48],dest[idx+49],dest[idx+50],dest[idx+51],dest[idx+52],dest[idx+53]);
+ // Dbprintf("%d%d%d%d%d%d%d%d %d%d",dest[idx+54],dest[idx+55],dest[idx+56],dest[idx+57],dest[idx+58],dest[idx+59],dest[idx+60],dest[idx+61],dest[idx+62],dest[idx+63]);
+ // }
code = bytebits_to_byte(dest+idx,32);
code2 = bytebits_to_byte(dest+idx+32,32);
version = bytebits_to_byte(dest+idx+27,8); //14,4
if (ledcontrol) LED_A_OFF();
*high=code;
*low=code2;
- return;
+ break;
}
code=code2=0;
version=facilitycode=0;
WDT_HIT();
}
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
DbpString("Stopped");
if (ledcontrol) LED_A_OFF();
}