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Fix low data-rate optimisation on SX1262

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This commit is contained in:
Mark Qvist
2024-02-13 13:14:13 +01:00
parent 32424b91a6
commit 184d228991
1 changed files with 29 additions and 27 deletions
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56
sx126x.cpp
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@@ -755,8 +755,8 @@ void sx126x::setSpreadingFactor(int sf)
_sf = sf;
setModulationParams(sf, _bw, _cr, _ldro);
handleLowDataRate();
setModulationParams(sf, _bw, _cr, _ldro);
}
long sx126x::getSignalBandwidth()
@@ -778,9 +778,11 @@ long sx126x::getSignalBandwidth()
}
void sx126x::handleLowDataRate(){
// TODO: Why was this enabled without any logic to check LDRO conditions?
//_ldro = 1;
//setModulationParams(_sf, _bw, _cr, _ldro);
if ( long( (1<<_sf) / (getSignalBandwidth()/1000)) > 16) {
_ldro = 0x01;
} else {
_ldro = 0x00;
}
}
void sx126x::optimizeModemSensitivity(){
@@ -789,31 +791,31 @@ void sx126x::optimizeModemSensitivity(){
void sx126x::setSignalBandwidth(long sbw)
{
if (sbw <= 7.8E3) {
_bw = 0x00;
} else if (sbw <= 10.4E3) {
_bw = 0x08;
} else if (sbw <= 15.6E3) {
_bw = 0x01;
} else if (sbw <= 20.8E3) {
_bw = 0x09;
} else if (sbw <= 31.25E3) {
_bw = 0x02;
} else if (sbw <= 41.7E3) {
_bw = 0x0A;
} else if (sbw <= 62.5E3) {
_bw = 0x03;
} else if (sbw <= 125E3) {
_bw = 0x04;
} else if (sbw <= 250E3) {
_bw = 0x05;
} else /*if (sbw <= 250E3)*/ {
_bw = 0x06;
}
if (sbw <= 7.8E3) {
_bw = 0x00;
} else if (sbw <= 10.4E3) {
_bw = 0x08;
} else if (sbw <= 15.6E3) {
_bw = 0x01;
} else if (sbw <= 20.8E3) {
_bw = 0x09;
} else if (sbw <= 31.25E3) {
_bw = 0x02;
} else if (sbw <= 41.7E3) {
_bw = 0x0A;
} else if (sbw <= 62.5E3) {
_bw = 0x03;
} else if (sbw <= 125E3) {
_bw = 0x04;
} else if (sbw <= 250E3) {
_bw = 0x05;
} else /*if (sbw <= 250E3)*/ {
_bw = 0x06;
}
setModulationParams(_sf, _bw, _cr, _ldro);
handleLowDataRate();
setModulationParams(_sf, _bw, _cr, _ldro);
handleLowDataRate();
optimizeModemSensitivity();
}