X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7527c2bdd821ac194ed362f327b5e6b7aef7d1bb..fc52fbd42f576d889826f4a0c60d18fad41bc3af:/armsrc/fpgaloader.c diff --git a/armsrc/fpgaloader.c b/armsrc/fpgaloader.c index 45294d60..d1d527c4 100644 --- a/armsrc/fpgaloader.c +++ b/armsrc/fpgaloader.c @@ -166,7 +166,7 @@ bool FpgaSetupSscDma(uint8_t *buf, uint16_t sample_count) AT91C_BASE_PDC_SSC->PDC_RPR = (uint32_t) buf; // transfer to this memory address AT91C_BASE_PDC_SSC->PDC_RCR = sample_count; // transfer this many samples AT91C_BASE_PDC_SSC->PDC_RNPR = (uint32_t) buf; // next transfer to same memory address - AT91C_BASE_PDC_SSC->PDC_RNCR = sample_count; // ... with same number of samples AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN; // go! + AT91C_BASE_PDC_SSC->PDC_RNCR = sample_count; // ... with same number of samples AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN; // go! return true; } @@ -417,8 +417,10 @@ void FpgaDownloadAndGo(int bitstream_version) uint8_t output_buffer[OUTPUT_BUFFER_LEN] = {0x00}; // check whether or not the bitstream is already loaded - if (downloaded_bitstream == bitstream_version) + if (downloaded_bitstream == bitstream_version) { + FpgaEnableTracing(); return; + } // make sure that we have enough memory to decompress BigBuf_free(); BigBuf_Clear_ext(false); @@ -454,16 +456,30 @@ void FpgaSendCommand(uint16_t cmd, uint16_t v) while ((AT91C_BASE_SPI->SPI_SR & AT91C_SPI_TXEMPTY) == 0); // wait for the transfer to complete AT91C_BASE_SPI->SPI_TDR = AT91C_SPI_LASTXFER | cmd | v; // send the data } + //----------------------------------------------------------------------------- // Write the FPGA setup word (that determines what mode the logic is in, read // vs. clone vs. etc.). This is now a special case of FpgaSendCommand() to // avoid changing this function's occurence everywhere in the source code. //----------------------------------------------------------------------------- -void FpgaWriteConfWord(uint8_t v) +void FpgaWriteConfWord(uint16_t v) { FpgaSendCommand(FPGA_CMD_SET_CONFREG, v); } +//----------------------------------------------------------------------------- +// enable/disable FPGA internal tracing +//----------------------------------------------------------------------------- +void FpgaEnableTracing(void) +{ + FpgaSendCommand(FPGA_CMD_TRACE_ENABLE, 1); +} + +void FpgaDisableTracing(void) +{ + FpgaSendCommand(FPGA_CMD_TRACE_ENABLE, 0); +} + //----------------------------------------------------------------------------- // Set up the CMOS switches that mux the ADC: four switches, independently // closable, but should only close one at a time. Not an FPGA thing, but