From: Iceman Date: Sun, 25 Jun 2017 17:39:45 +0000 (+0200) Subject: Update hfsnoop.c X-Git-Tag: v3.1.0~202^2 X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/refs/pull/337/head Update hfsnoop.c chg: enabled snooping function to break on receiving a usbpackage. --- diff --git a/armsrc/hfsnoop.c b/armsrc/hfsnoop.c index c750ab26..6a58b20b 100644 --- a/armsrc/hfsnoop.c +++ b/armsrc/hfsnoop.c @@ -19,7 +19,7 @@ static void RAMFUNC optimizedSnoop(void) if(AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) { *dest = (uint16_t)(AT91C_BASE_SSC->SSC_RHR); - dest = dest + 1; + dest++; } } //Resetting Frame mode (First set in fpgaloader.c) @@ -28,7 +28,9 @@ static void RAMFUNC optimizedSnoop(void) void HfSnoop(int samplesToSkip, int triggersToSkip) { - Dbprintf("Skipping first %d sample pairs, Skipping %d triggers.", samplesToSkip, triggersToSkip); + BigBuf_free(); BigBuf_Clear(); + + Dbprintf("Skipping first %d sample pairs, Skipping %d triggers.\n", samplesToSkip, triggersToSkip); int trigger_cnt; LED_D_ON(); // Select correct configs @@ -40,23 +42,18 @@ void HfSnoop(int samplesToSkip, int triggersToSkip) FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SNOOP); SpinDelay(100); - BigBuf_free(); - BigBuf_Clear(); - AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(16); // Setting Frame Mode For better performance on high speed data transfer. trigger_cnt = 0; uint16_t r = 0; - while(!BUTTON_PRESS()) { + while(!BUTTON_PRESS() && !usb_poll_validate_length()) { WDT_HIT(); if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { r = (uint16_t)AT91C_BASE_SSC->SSC_RHR; r = MAX(r & 0xff, r >> 8); - if (r >= 240) - { - if (++trigger_cnt > triggersToSkip) { + if (r >= 240) { + if (++trigger_cnt > triggersToSkip) break; - } } } } @@ -64,9 +61,8 @@ void HfSnoop(int samplesToSkip, int triggersToSkip) if(!BUTTON_PRESS()) { int waitcount = samplesToSkip; // lets wait 40000 ticks of pck0 while(waitcount != 0) { - if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { + if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) waitcount--; - } } optimizedSnoop(); Dbprintf("Trigger kicked! Value: %d, Dumping Samples Hispeed now.", r);