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new command "lf snoop" to snoop raw ADC values

Browse source 
fpga/lo_read.v (lf_field): new argument.
fpga/fpga_lf.v: modify accordingly.

armsrc/apps.h (FPGA_MAJOR_MODE_LF_READER): Rename as FPGA_MAJOR_MODE_LF_ADC.
armsrc/apps.h (FPGA_LF_ADC_READER_FIELD): New LF option.
armsrc/lfops.c: Modify accordingly.

client/cmdlf.c (CmdLFSnoop): New command.
armsrc/appmain.c, armsrc/lfops.c, client/cmdlf.h, include/usb_cmd.h: Modify accordingly.
This commit is contained in:
iZsh 2014-06-21 21:33:54 +02:00
commit b014c96d68
9 changed files with 75 additions and 32 deletions
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9
armsrc/apps.h
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@ -59,7 +59,8 @@ void ToSendStuffBit(int b);
void ToSendReset(void);
void ListenReaderField(int limit);
void AcquireRawAdcSamples125k(int at134khz);
void DoAcquisition125k(void);
void SnoopLFRawAdcSamples(int divisor, int trigger_threshold);
void DoAcquisition125k(int trigger_threshold);
extern int ToSendMax;
extern uint8_t ToSend[];
extern uint32_t BigBuf[];
@ -82,8 +83,8 @@ void SetAdcMuxFor(uint32_t whichGpio);
#define FPGA_CMD_SET_DIVISOR (2<<12)
// Definitions for the FPGA configuration word.
// LF
#define FPGA_MAJOR_MODE_LF_READER (0<<5)
#define FPGA_MAJOR_MODE_LF_EDGE_DETECT (1<<5)
#define FPGA_MAJOR_MODE_LF_ADC (0<<5)
#define FPGA_MAJOR_MODE_LF_EDGE_DETECT (1<<5)
#define FPGA_MAJOR_MODE_LF_PASSTHRU (2<<5)
// HF
#define FPGA_MAJOR_MODE_HF_READER_TX (0<<5)
@ -92,6 +93,8 @@ void SetAdcMuxFor(uint32_t whichGpio);
#define FPGA_MAJOR_MODE_HF_ISO14443A (3<<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_LF_EDGE_DETECT_READER_FIELD (1<<0)
// Options for the HF reader, tx to tag