X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/614da335f6e2c35ea8620cecacdde8270111e5b1..60e26e50c5c6c2e18b30e4aa4ccce2ecb4405d08:/armsrc/lfops.c?ds=sidebyside diff --git a/armsrc/lfops.c b/armsrc/lfops.c index 2f757f1f..5c074c3a 100644 --- a/armsrc/lfops.c +++ b/armsrc/lfops.c @@ -17,7 +17,7 @@ #include "lfdemod.h" #include "lfsampling.h" #include "protocols.h" -#include "usb_cdc.h" //test +#include "usb_cdc.h" // for usb_poll_validate_length /** * Function to do a modulation and then get samples. @@ -37,6 +37,8 @@ void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint sample_config sc = { 0,0,1, divisor_used, 0}; setSamplingConfig(&sc); + //clear read buffer + BigBuf_Clear_keep_EM(); /* Make sure the tag is reset */ FpgaDownloadAndGo(FPGA_BITSTREAM_LF); @@ -378,7 +380,7 @@ void WriteTItag(uint32_t idhi, uint32_t idlo, uint16_t crc) AcquireTiType(); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - DbpString("Now use 'lf ti read' to check"); + DbpString("Now use `lf ti read` to check"); } void SimulateTagLowFrequency(int period, int gap, int ledcontrol) @@ -626,7 +628,19 @@ static void biphaseSimBit(uint8_t c, int *n, uint8_t clock, uint8_t *phase) memset(dest+(*n), c ^ *phase, clock); *phase ^= 1; } + *n += clock; +} +static void stAskSimBit(int *n, uint8_t clock) { + uint8_t *dest = BigBuf_get_addr(); + uint8_t halfClk = clock/2; + //ST = .5 high .5 low 1.5 high .5 low 1 high + memset(dest+(*n), 1, halfClk); + memset(dest+(*n) + halfClk, 0, halfClk); + memset(dest+(*n) + clock, 1, clock + halfClk); + memset(dest+(*n) + clock*2 + halfClk, 0, halfClk); + memset(dest+(*n) + clock*3, 1, clock); + *n += clock*4; } // args clock, ask/man or askraw, invert, transmission separator @@ -644,7 +658,7 @@ void CmdASKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream) for (i=0; i startblock; i--) @@ -1419,7 +1445,7 @@ void WriteEM410x(uint32_t card, uint32_t id_hi, uint32_t id_lo) { LED_D_ON(); // Write EM410x ID - uint32_t data[] = {0, (uint32_t)(id>>32), id & 0xFFFFFFFF}; + uint32_t data[] = {0, (uint32_t)(id>>32), (uint32_t)(id & 0xFFFFFFFF)}; clock = (card & 0xFF00) >> 8; clock = (clock == 0) ? 64 : clock; @@ -1602,7 +1628,7 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) { uint16_t bufsize = BigBuf_max_traceLen(); uint32_t i = 0; - //clear buffer now so it does not interfere with timing later + // Clear destination buffer before sending the command BigBuf_Clear_ext(false); //If password mode do login