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lf sniff offset

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Added samples to skip to lf config
This commit is contained in:
mwalker33 2019-09-29 10:43:01 +10:00
commit cf0d72e172
3 changed files with 32 additions and 13 deletions
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19
armsrc/lfsampling.c
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@ -33,6 +33,7 @@ void printConfig() {
Dbprintf(" [d] decimation..........%d", config.decimation);
Dbprintf(" [a] averaging...........%s", (config.averaging) ? "Yes" : "No");
Dbprintf(" [t] trigger threshold...%d", config.trigger_threshold);
Dbprintf(" [s] samples to skip.....%d ", config.samples_to_skip);
}
/**
@ -50,6 +51,7 @@ void setSamplingConfig(sample_config *sc) {
if (sc->divisor != 0) config.divisor = sc->divisor;
if (sc->bits_per_sample != 0) config.bits_per_sample = sc->bits_per_sample;
if (sc->trigger_threshold != -1) config.trigger_threshold = sc->trigger_threshold;
if (sc->samples_to_skip != -1) config.samples_to_skip = sc->samples_to_skip;
config.decimation = (sc->decimation != 0) ? sc->decimation : 1;
config.averaging = sc->averaging;
@ -124,7 +126,7 @@ void LFSetupFPGAForADC(int divisor, bool lf_field) {
* @param silent - is true, now outputs are made. If false, dbprints the status
* @return the number of bits occupied by the samples.
*/
uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averaging, int trigger_threshold, bool silent, int bufsize, uint32_t cancel_after) {
uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averaging, int trigger_threshold, bool silent, int bufsize, uint32_t cancel_after, int samples_to_skip) {
uint8_t *dest = BigBuf_get_addr();
bufsize = (bufsize > 0 && bufsize < BigBuf_max_traceLen()) ? bufsize : BigBuf_max_traceLen();
@ -144,6 +146,7 @@ uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averag
uint32_t sample_total_numbers = 0;
uint32_t sample_total_saved = 0;
uint32_t cancel_counter = 0;
uint32_t samples_skipped = 0;
uint16_t checker = 0;
@ -176,6 +179,12 @@ uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averag
}
trigger_threshold = 0;
if (samples_to_skip > samples_skipped) {
samples_skipped++;
continue;
}
sample_total_numbers++;
if (averaging)
@ -196,6 +205,7 @@ uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averag
// store the sample
sample_total_saved ++;
if (bits_per_sample == 8) {
dest[sample_total_saved - 1] = sample;
@ -238,7 +248,7 @@ uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averag
* @return number of bits sampled
*/
uint32_t DoAcquisition_default(int trigger_threshold, bool silent) {
return DoAcquisition(1, 8, 0, trigger_threshold, silent, 0, 0);
return DoAcquisition(1, 8, 0, trigger_threshold, silent, 0, 0,0);
}
uint32_t DoAcquisition_config(bool silent, int sample_size) {
return DoAcquisition(config.decimation
@ -247,11 +257,12 @@ uint32_t DoAcquisition_config(bool silent, int sample_size) {
, config.trigger_threshold
, silent
, sample_size
, 0);
, 0
, config.samples_to_skip);
}
uint32_t DoPartialAcquisition(int trigger_threshold, bool silent, int sample_size, uint32_t cancel_after) {
return DoAcquisition(1, 8, 0, trigger_threshold, silent, sample_size, cancel_after);
return DoAcquisition(1, 8, 0, trigger_threshold, silent, sample_size, cancel_after,0);
}
uint32_t ReadLF(bool activeField, bool silent, int sample_size) {