X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c2ab5e8c4e1e5ac3bf28199711fcb8dc34bb42a9..f9b5377fd07685592758eb54369a779bef7dae66:/armsrc/legicrf.c?ds=sidebyside diff --git a/armsrc/legicrf.c b/armsrc/legicrf.c index a8cad9b7..f9092103 100644 --- a/armsrc/legicrf.c +++ b/armsrc/legicrf.c @@ -217,7 +217,7 @@ void frame_sendAsReader(uint32_t data, uint8_t bits){ COIL_PULSE(0); // log - uint8_t cmdbytes[] = {bits, BYTEx(data,0), BYTEx(data,1), BYTEx(data,2) , BYTEx(send,0), BYTEx(send,1)}; + uint8_t cmdbytes[] = {bits, BYTEx(data,0), BYTEx(data,1), BYTEx(data,2), BYTEx(send,0), BYTEx(send,1), BYTEx(send,2)}; LogTrace(cmdbytes, sizeof(cmdbytes), starttime, GET_TICKS, NULL, TRUE); } @@ -405,17 +405,11 @@ int legic_read_byte( uint16_t index, uint8_t cmd_sz) { bool legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz) { bool isOK = false; - uint8_t i = 80, edges = 0; + int8_t i = 40; + uint8_t edges = 0; uint8_t cmd_sz = addr_sz+1+8+4; //crc+data+cmd; uint32_t steps = 0, next_bit_at, start, crc, old_level = 0; - /* - crc_clear(&legic_crc); - crc_update(&legic_crc, 0, 1); // CMD_WRITE - crc_update(&legic_crc, index, addr_sz); - crc_update(&legic_crc, byte, 8); - uint32_t crc = crc_finish(&legic_crc); - */ crc = legic4Crc(LEGIC_WRITE, index, byte, addr_sz+1); // send write command @@ -423,12 +417,8 @@ bool legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz) { cmd |= index << 1; // index cmd |= byte << (addr_sz+1); // Data cmd |= (crc & 0xF ) << (addr_sz+1+8); // CRC - - /* Bitbang the response */ - SHORT_COIL; - AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT; - WaitTicks(330); + WaitTicks(240); frame_sendAsReader(cmd, cmd_sz); @@ -438,8 +428,7 @@ bool legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz) { // ACK, - one single "1" bit after 3.6ms // 3.6ms = 3600us * 1.5 = 5400ticks. - WaitTicks(5000); - //WaitTicks(330); + WaitTicks(5400); next_bit_at = GET_TICKS + TAG_BIT_PERIOD; @@ -466,9 +455,10 @@ bool legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz) { goto OUT; } } - + OUT: ; - // log + legic_prng_forward(1); + uint8_t cmdbytes[] = {1, isOK, BYTEx(steps, 0), BYTEx(steps, 1) }; LogTrace(cmdbytes, sizeof(cmdbytes), start, GET_TICKS, NULL, FALSE); return isOK; @@ -539,7 +529,7 @@ void LegicRfWriter(uint16_t offset, uint16_t len, uint8_t iv, uint8_t *data) { while( len > 0 ) { --len; if ( !legic_write_byte( len + offset, data[len], card.addrsize) ) { - Dbprintf("operation failed | %d | %d | %d", len + offset, len, data[len] ); + Dbprintf("operation failed | %02X | %02X | %02X", len + offset, len, data[len] ); isOK = 0; goto OUT; }