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chg: 'lf cmdread' -adjustments, @marshmellow42

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iceman1001 2018-02-14 21:45:36 +01:00
commit 18aa477a55
2 changed files with 8 additions and 6 deletions
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12
armsrc/lfops.c
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@ -67,15 +67,17 @@ void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint
// use lf config settings // use lf config settings
sample_config *sc = getSamplingConfig(); sample_config *sc = getSamplingConfig();
//clear read buffer // Make sure the tag is reset
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
WaitMS(2500);
// clear read buffer
BigBuf_Clear_keep_EM(); BigBuf_Clear_keep_EM();
LFSetupFPGAForADC(sc->divisor, 1); LFSetupFPGAForADC(sc->divisor, 1);
// Trigger T55x7 in mode. // little more time for the tag to fully power up
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
// And a little more time for the tag to fully power up
WaitMS(2000); WaitMS(2000);
// if delay_off = 0 then just bitbang 1 = antenna on 0 = off for respective periods. // if delay_off = 0 then just bitbang 1 = antenna on 0 = off for respective periods.

2
armsrc/lfsampling.c
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@ -250,7 +250,7 @@ uint32_t SnoopLF() {
} }
/** /**
* acquisition of T55x7 LF signal. Similart to other LF, but adjusted with @marshmellows thresholds * acquisition of T55x7 LF signal. Similar to other LF, but adjusted with @marshmellows thresholds
* the data is collected in BigBuf. * the data is collected in BigBuf.
**/ **/
void doT55x7Acquisition(size_t sample_size) { void doT55x7Acquisition(size_t sample_size) {