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lf read adjustments

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add parameter for # bits to read
auto get samples after lf read/snoop (don't need to do a `data samples`
anymore)
add safe function to get DemodBuffer
add some lf demod comments and apply new lf_read function instead of
read then get samples.
fixed output bug in lf t55xx config print
fixed small bug in lf t55xx detect during ST check
This commit is contained in:
marshmellow42 2017-04-07 17:28:12 -04:00
commit b9957414a5
27 changed files with 146 additions and 117 deletions
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14
armsrc/lfsampling.c
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@ -215,35 +215,35 @@ uint32_t DoAcquisition_default(int trigger_threshold, bool silent)
{
return DoAcquisition(1,8,0,trigger_threshold,silent,0);
}
uint32_t DoAcquisition_config( bool silent)
uint32_t DoAcquisition_config(bool silent, int sample_size)
{
return DoAcquisition(config.decimation
,config.bits_per_sample
,config.averaging
,config.trigger_threshold
,silent
,0);
,sample_size);
}
uint32_t DoPartialAcquisition(int trigger_threshold, bool silent, int sample_size) {
return DoAcquisition(1,8,0,trigger_threshold,silent,sample_size);
}
uint32_t ReadLF(bool activeField, bool silent)
uint32_t ReadLF(bool activeField, bool silent, int sample_size)
{
if (!silent) printConfig();
LFSetupFPGAForADC(config.divisor, activeField);
// Now call the acquisition routine
return DoAcquisition_config(silent);
return DoAcquisition_config(silent, sample_size);
}
/**
* Initializes the FPGA for reader-mode (field on), and acquires the samples.
* @return number of bits sampled
**/
uint32_t SampleLF(bool printCfg)
uint32_t SampleLF(bool printCfg, int sample_size)
{
uint32_t ret = ReadLF(true, printCfg);
uint32_t ret = ReadLF(true, printCfg, sample_size);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
return ret;
}
@ -254,7 +254,7 @@ uint32_t SampleLF(bool printCfg)
uint32_t SnoopLF()
{
uint32_t ret = ReadLF(false, true);
uint32_t ret = ReadLF(false, true, 0);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
return ret;
}