// LEGIC RF simulation code
//-----------------------------------------------------------------------------
+#include "legicrf.h"
+
#include "proxmark3.h"
#include "apps.h"
+#include "usb_cdc.h"
#include "util.h"
#include "string.h"
-
-#include "legicrf.h"
#include "legic_prng.h"
#include "legic.h"
#include "crc.h"
+#include "fpgaloader.h"
static legic_card_select_t card;/* metadata of currently selected card */
static crc_t legic_crc;
//-----------------------------------------------------------------------------
static void tx_frame(uint32_t frame, uint8_t len) {
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER | FPGA_HF_READER_MODE_SEND_FULL_MOD);
// wait for next tx timeslot
last_frame_end += RWD_FRAME_WAIT;
}
static uint32_t rx_frame(uint8_t len) {
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR
- | FPGA_HF_READER_RX_XCORR_848_KHZ
- | FPGA_HF_READER_RX_XCORR_QUARTER_FREQ);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER | FPGA_HF_READER_SUBCARRIER_212_KHZ | FPGA_HF_READER_MODE_RECEIVE_IQ);
// hold sampling until card is expected to respond
last_frame_end += TAG_FRAME_WAIT;
static bool rx_ack() {
// change fpga into rx mode
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR
- | FPGA_HF_READER_RX_XCORR_848_KHZ
- | FPGA_HF_READER_RX_XCORR_QUARTER_FREQ);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER | FPGA_HF_READER_SUBCARRIER_212_KHZ | FPGA_HF_READER_MODE_RECEIVE_IQ);
// hold sampling until card is expected to respond
last_frame_end += TAG_FRAME_WAIT;
static void init_reader(bool clear_mem) {
// configure FPGA
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR
- | FPGA_HF_READER_RX_XCORR_848_KHZ
- | FPGA_HF_READER_RX_XCORR_QUARTER_FREQ);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER | FPGA_HF_READER_SUBCARRIER_212_KHZ | FPGA_HF_READER_MODE_RECEIVE_IQ);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
LED_D_ON();
// configure SSC with defaults
- FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
+ FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER);
// re-claim GPIO_SSC_DOUT as GPIO and enable output
AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;
// establish shared secret and detect card type
DbpString("Reading card ...");
uint8_t card_type = setup_phase(SESSION_IV);
+ uint8_t result = 0;
if(init_card(card_type, &card) != 0) {
- Dbprintf("No or unknown card found, aborting");
+ result = 1;
goto OUT;
}
for(uint16_t i = 0; i < bytes; ++i) {
int16_t byte = read_byte(offset + i, card.cmdsize);
if(byte == -1) {
- Dbprintf("operation failed @ 0x%03.3x", bytes);
+ result = 2;
goto OUT;
}
BigBuf[i] = byte;
}
- // OK
- Dbprintf("Card (MIM %i) read, use 'hf legic decode' or", card.cardsize);
- Dbprintf("'data hexsamples %d' to view results", (bytes+7) & ~7);
-
OUT:
+ cmd_send(CMD_ACK, result, bytes, 0, &card, sizeof(card));
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
LED_B_OFF();
LED_C_OFF();