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RDS demod: bugfix and errors debug prompt

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This commit is contained in:
Edouard Griffiths 2015-12-10 15:02:16 +01:00
parent ea0640c844
commit dbd1db1f28
1 changed files with 9 additions and 5 deletions
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14
plugins/channel/bfm/rdsdemod.cpp
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@ -15,6 +15,7 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
@ -78,6 +79,8 @@ void RDSDemod::process(Real rdsSample, Real pilotPhaseSample)
m_rdsClockLO_1 = m_rdsClockLO;
}
m_numSamples++;
}
Real RDSDemod::filter_lp_2400_iq(Real input, int iqIndex)
@ -102,23 +105,24 @@ int RDSDemod::sign(Real a)
void RDSDemod::biphase(Real acc)
{
static int reading_frame = 0;
if (sign(acc) != sign(m_acc_1)) // two successive of different sign: error detected
{
m_totErrors[m_counter % 2]++;
}
if (m_counter % 2 == reading_frame) // two successive of the same sing: OK
if (m_counter % 2 == m_readingFrame) // two successive of the same sign: OK
{
print_delta(sign(acc + m_acc_1));
}
if (m_counter == 0)
{
if (m_totErrors[1 - reading_frame] < m_totErrors[reading_frame])
if (m_totErrors[1 - m_readingFrame] < m_totErrors[m_readingFrame])
{
reading_frame = 1 - reading_frame;
m_readingFrame = 1 - m_readingFrame;
double qua = (1.0 * abs(m_totErrors[0] - m_totErrors[1]) / (m_totErrors[0] + m_totErrors[1])) * 100;
qDebug("RDSDemod::biphase: frame: %d errs: %3d %3d qual: %3.0f%%\n", m_readingFrame, m_totErrors[0], m_totErrors[1], qua);
}
m_totErrors[0] = 0;