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Add fine adjustment to the DMR/YSF thresholds.

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This commit is contained in:
Jonathan Naylor 2016-06-21 07:25:25 +01:00
parent a3ea870b52
commit 17f6314f90
9 changed files with 83 additions and 8 deletions
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24
DMRIdleRX.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// #define WANT_DEBUG
#define WANT_DEBUG
#include "Config.h"
#include "Globals.h"
@ -47,7 +47,8 @@ m_endPtr(NOENDPTR),
m_maxCorr(0),
m_centre(0),
m_threshold(0),
m_colorCode(0U)
m_colorCode(0U),
m_scale(SCALING_FACTOR)
{
}
@ -103,7 +104,7 @@ void CDMRIdleRX::processSample(q15_t sample)
if (corr > m_maxCorr) {
q15_t centre = (max + min) >> 1;
q31_t v1 = (max - centre) * SCALING_FACTOR;
q31_t v1 = (max - centre) * m_scale;
q15_t threshold = q15_t(v1 >> 15);
uint8_t sync[DMR_SYNC_BYTES_LENGTH];
@ -200,3 +201,20 @@ void CDMRIdleRX::setColorCode(uint8_t colorCode)
m_colorCode = colorCode;
}
void CDMRIdleRX::setThreshold(int8_t percent)
{
q31_t res = SCALING_FACTOR * 1000;
if (percent > 0) {
for (int8_t i = 0; i < percent; i++)
res += SCALING_FACTOR;
} else if (percent < 0) {
for (int8_t i = 0; i < -percent; i++)
res -= SCALING_FACTOR;
}
m_scale = res / 1000;
DEBUG2("DMR, Scale", m_scale);
}