change lf config threshold, hf 14b reader,

adjust lf config threshold to coincide with graph values and trigger on
highs over the threshold or lows under the threshold * -1

split general hf 14b reader from full info printing
This commit is contained in:
marshmellow42 2015-06-27 22:49:26 -04:00
commit b29d55f24b
4 changed files with 74 additions and 19 deletions

View file

@ -119,8 +119,7 @@ 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)
uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averaging, int trigger_threshold, bool silent)
{
//.
uint8_t *dest = BigBuf_get_addr();
@ -151,8 +150,12 @@ uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averag
if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) {
sample = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
LED_D_OFF();
if (trigger_threshold > 0 && sample < trigger_threshold)
// threshold either high or low values 128 = center 0. if trigger = 178
if ((trigger_threshold > 0) && (sample < (trigger_threshold+128)) && (sample > (128-trigger_threshold))) //
continue;
//if (trigger_threshold > 0 && sample < trigger_threshold) //
//continue;
trigger_threshold = 0;
sample_total_numbers++;