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-rw-r--r--src/DabModulator.cpp77
1 files changed, 36 insertions, 41 deletions
diff --git a/src/DabModulator.cpp b/src/DabModulator.cpp
index bebbedd..34d8e66 100644
--- a/src/DabModulator.cpp
+++ b/src/DabModulator.cpp
@@ -55,37 +55,21 @@
#include "RemoteControl.h"
#include "Log.h"
-DabModulator::DabModulator(
- EtiSource& etiSource,
- tii_config_t& tiiConfig,
- unsigned outputRate, unsigned clockRate,
- unsigned dabMode, GainMode gainMode,
- float& digGain, float normalise,
- float gainmodeVariance,
- const std::string& filterTapsFilename,
- const std::string& polyCoefFilename
- ) :
+DabModulator::DabModulator(EtiSource& etiSource,
+ const mod_settings_t& settings) :
ModInput(),
- myOutputRate(outputRate),
- myClockRate(clockRate),
- myDabMode(dabMode),
- myGainMode(gainMode),
- myDigGain(digGain),
- myNormalise(normalise),
- myGainmodeVariance(gainmodeVariance),
+ m_settings(settings),
myEtiSource(etiSource),
- myFlowgraph(),
- myFilterTapsFilename(filterTapsFilename),
- myPolyCoefFilename(polyCoefFilename),
- myTiiConfig(tiiConfig)
+ myFlowgraph()
{
PDEBUG("DabModulator::DabModulator(%u, %u, %u, %zu) @ %p\n",
outputRate, clockRate, dabMode, (size_t)gainMode, this);
- if (myDabMode == 0) {
+ if (m_settings.dabMode == 0) {
setMode(2);
- } else {
- setMode(myDabMode);
+ }
+ else {
+ setMode(m_settings.dabMode);
}
}
@@ -139,8 +123,8 @@ int DabModulator::process(Buffer* dataOut)
if (not myFlowgraph) {
unsigned mode = myEtiSource.getMode();
- if (myDabMode != 0) {
- mode = myDabMode;
+ if (m_settings.dabMode != 0) {
+ mode = m_settings.dabMode;
} else if (mode == 0) {
mode = 4;
}
@@ -166,10 +150,10 @@ int DabModulator::process(Buffer* dataOut)
// TODO this needs a review
bool useCicEq = false;
unsigned cic_ratio = 1;
- if (myClockRate) {
- cic_ratio = myClockRate / myOutputRate;
+ if (m_settings.clockRate) {
+ cic_ratio = m_settings.clockRate / m_settings.outputRate;
cic_ratio /= 4; // FPGA DUC
- if (myClockRate == 400000000) { // USRP2
+ if (m_settings.clockRate == 400000000) { // USRP2
if (cic_ratio & 1) { // odd
useCicEq = true;
} // even, no filter
@@ -181,12 +165,16 @@ int DabModulator::process(Buffer* dataOut)
auto cifCicEq = make_shared<CicEqualizer>(
myNbCarriers,
- (float)mySpacing * (float)myOutputRate / 2048000.0f, cic_ratio);
+ (float)mySpacing * (float)m_settings.outputRate / 2048000.0f,
+ cic_ratio);
shared_ptr<TII> tii;
shared_ptr<PhaseReference> tiiRef;
try {
- tii = make_shared<TII>(myDabMode, myTiiConfig, myEtiSource.getFp());
+ tii = make_shared<TII>(
+ m_settings.dabMode,
+ m_settings.tiiConfig,
+ myEtiSource.getFp());
rcs.enrol(tii.get());
tiiRef = make_shared<PhaseReference>(mode);
}
@@ -198,8 +186,11 @@ int DabModulator::process(Buffer* dataOut)
(1 + myNbSymbols), myNbCarriers, mySpacing);
auto cifGain = make_shared<GainControl>(
- mySpacing, myGainMode, myDigGain, myNormalise,
- myGainmodeVariance);
+ mySpacing,
+ m_settings.gainMode,
+ m_settings.digitalgain,
+ m_settings.normalise,
+ m_settings.gainmodeVariance);
rcs.enrol(cifGain.get());
@@ -207,15 +198,15 @@ int DabModulator::process(Buffer* dataOut)
myNbSymbols, mySpacing, myNullSize, mySymSize);
shared_ptr<FIRFilter> cifFilter;
- if (not myFilterTapsFilename.empty()) {
- cifFilter = make_shared<FIRFilter>(myFilterTapsFilename);
+ if (not m_settings.filterTapsFilename.empty()) {
+ cifFilter = make_shared<FIRFilter>(m_settings.filterTapsFilename);
rcs.enrol(cifFilter.get());
}
shared_ptr<MemlessPoly> cifPoly;
- if (not myPolyCoefFilename.empty()) {
- cifPoly = make_shared<MemlessPoly>(myPolyCoefFilename);
- etiLog.level(debug) << myPolyCoefFilename << "\n";
+ if (not m_settings.polyCoefFilename.empty()) {
+ cifPoly = make_shared<MemlessPoly>(m_settings.polyCoefFilename);
+ etiLog.level(debug) << m_settings.polyCoefFilename << "\n";
etiLog.level(debug) << cifPoly->m_coefs[0] << " " <<
cifPoly->m_coefs[1] << " "<< cifPoly->m_coefs[2] << " "<<
cifPoly->m_coefs[3] << " "<< cifPoly->m_coefs[4] << " "<<
@@ -227,9 +218,13 @@ int DabModulator::process(Buffer* dataOut)
auto myOutput = make_shared<OutputMemory>(dataOut);
shared_ptr<Resampler> cifRes;
- if (myOutputRate != 2048000) {
- cifRes = make_shared<Resampler>(2048000, myOutputRate, mySpacing);
- } else {
+ if (m_settings.outputRate != 2048000) {
+ cifRes = make_shared<Resampler>(
+ 2048000,
+ m_settings.outputRate,
+ mySpacing);
+ }
+ else {
fprintf(stderr, "No resampler\n");
}