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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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6
armsrc/appmain.c
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@ -215,7 +215,7 @@ void MeasureAntennaTuning(void)
*/
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
for (i=255; i>19; i--) {
WDT_HIT();
FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
@ -638,6 +638,10 @@ void UsbPacketReceived(uint8_t *packet, int len)
case CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K:
ModThenAcquireRawAdcSamples125k(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
break;
case CMD_LF_SNOOP_RAW_ADC_SAMPLES:
SnoopLFRawAdcSamples(c->arg[0], c->arg[1]);
cmd_send(CMD_ACK,0,0,0,0,0);
break;
case CMD_HID_DEMOD_FSK:
CmdHIDdemodFSK(0, 0, 0, 1); // Demodulate HID tag
break;