X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/654b6ae3f4bf56bc210022b603edbb1575e05dff..ae60ceca92b802fc980a883cb280d1c57b7932cf:/armsrc/legicrf.c diff --git a/armsrc/legicrf.c b/armsrc/legicrf.c index d3fd35d1..97af8843 100644 --- a/armsrc/legicrf.c +++ b/armsrc/legicrf.c @@ -10,15 +10,16 @@ // LEGIC RF simulation code //----------------------------------------------------------------------------- +#include "legicrf.h" + #include "proxmark3.h" #include "apps.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; @@ -151,7 +152,7 @@ static inline void tx_bit(bool bit) { //----------------------------------------------------------------------------- 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; @@ -172,9 +173,7 @@ static void tx_frame(uint32_t frame, uint8_t len) { } 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; @@ -195,9 +194,7 @@ static uint32_t rx_frame(uint8_t len) { 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; @@ -257,14 +254,12 @@ static int init_card(uint8_t cardtype, legic_card_select_t *p_card) { 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; @@ -384,8 +379,9 @@ void LegicRfReader(int offset, int bytes) { // 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; } @@ -402,17 +398,14 @@ void LegicRfReader(int offset, int bytes) { 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();