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Add raw HF signal plotting (#786)

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* Add raw HF signal plotting
* new fpga module hi_get_trace.v - store A/D converter output to circular buffer on FPGA
* new command 'hf plot' - pull data from FPGA and display it in Graph Window
This commit is contained in:
pwpiwi 2019-02-20 19:18:12 +01:00 • committed by GitHub
parent 7527c2bdd8
commit fc52fbd42f
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GPG key ID: 4AEE18F83AFDEB23
30 changed files with 441 additions and 62 deletions
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15
armsrc/fpgaloader.h
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@ -17,13 +17,15 @@
#include <stdbool.h>
void FpgaSendCommand(uint16_t cmd, uint16_t v);
void FpgaWriteConfWord(uint8_t v);
void FpgaWriteConfWord(uint16_t v);
void FpgaDownloadAndGo(int bitstream_version);
void FpgaSetupSsc(uint8_t mode);
void SetupSpi(int mode);
bool FpgaSetupSscDma(uint8_t *buf, uint16_t sample_count);
void Fpga_print_status();
int FpgaGetCurrent();
void FpgaEnableTracing(void);
void FpgaDisableTracing(void);
#define FpgaDisableSscDma(void) AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS;
#define FpgaEnableSscDma(void) AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN;
void SetAdcMuxFor(uint32_t whichGpio);
@ -33,9 +35,14 @@ void SetAdcMuxFor(uint32_t whichGpio);
#define FPGA_BITSTREAM_HF 2
// Definitions for the FPGA commands.
// BOTH
#define FPGA_CMD_SET_CONFREG (1<<12)
// LF
#define FPGA_CMD_SET_DIVISOR (2<<12)
#define FPGA_CMD_SET_USER_BYTE1 (3<<12)
// HF
#define FPGA_CMD_TRACE_ENABLE (2<<12)
// Definitions for the FPGA configuration word.
// LF
#define FPGA_MAJOR_MODE_LF_ADC (0<<5)
@ -47,21 +54,27 @@ void SetAdcMuxFor(uint32_t whichGpio);
#define FPGA_MAJOR_MODE_HF_SIMULATOR (2<<5)
#define FPGA_MAJOR_MODE_HF_ISO14443A (3<<5)
#define FPGA_MAJOR_MODE_HF_SNOOP (4<<5)
#define FPGA_MAJOR_MODE_HF_GET_TRACE (5<<5)
// BOTH
#define FPGA_MAJOR_MODE_OFF (7<<5)
// Options for LF_ADC
#define FPGA_LF_ADC_READER_FIELD (1<<0)
// Options for LF_EDGE_DETECT
#define FPGA_CMD_SET_EDGE_DETECT_THRESHOLD FPGA_CMD_SET_USER_BYTE1
#define FPGA_LF_EDGE_DETECT_READER_FIELD (1<<0)
#define FPGA_LF_EDGE_DETECT_TOGGLE_MODE (1<<1)
// Options for the HF reader, tx to tag
#define FPGA_HF_READER_TX_SHALLOW_MOD (1<<0)
// Options for the HF reader, correlating against rx from tag
#define FPGA_HF_READER_RX_XCORR_848_KHZ (1<<0)
#define FPGA_HF_READER_RX_XCORR_SNOOP (1<<1)
#define FPGA_HF_READER_RX_XCORR_QUARTER_FREQ (1<<2)
#define FPGA_HF_READER_RX_XCORR_AMPLITUDE (1<<3)
// Options for the HF simulated tag, how to modulate
#define FPGA_HF_SIMULATOR_NO_MODULATION (0<<0)
#define FPGA_HF_SIMULATOR_MODULATE_BPSK (1<<0)