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Changed method to return float instead of double. All calculations within the method also use float instead of double. Results of the method do not seem to be effected.

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Robert 2022-02-26 18:44:05 -05:00
parent ff43d95afa
commit 89f202ce6a
2 changed files with 5 additions and 5 deletions
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8
src/modules/SX128x/SX128x.cpp
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@ -1112,7 +1112,7 @@ float SX128x::getSNR() {
}
}
double SX128x::getFrequencyError() {
float SX128x::getFrequencyError() {
// check active modem
uint8_t modem = getPacketType();
if (!((modem == RADIOLIB_SX128X_PACKET_TYPE_LORA) || (modem == RADIOLIB_SX128X_PACKET_TYPE_RANGING))) {
@ -1130,16 +1130,16 @@ double SX128x::getFrequencyError() {
uint32_t efe = ((uint32_t) efeRaw[0] << 16) | ((uint32_t) efeRaw[1] << 8) | efeRaw[2];
efe &= 0x0FFFFF;
double error;
float error;
// check the first bit
if (efe & 0x80000) {
// frequency error is negative
efe |= (uint32_t) 0xFFF00000;
efe = ~efe + 1;
error = 1.55 * (double) efe / (1600.0 / (double) _bwKhz) * -1.0;
error = 1.55 * (float) efe / (1600.0 / (float) _bwKhz) * -1.0;
} else {
error = 1.55 * (double) efe / (1600.0 / (double) _bwKhz);
error = 1.55 * (float) efe / (1600.0 / (float) _bwKhz);
}
return (error);

2
src/modules/SX128x/SX128x.h
View file

@ -750,7 +750,7 @@ class SX128x: public PhysicalLayer {
\returns Frequency error in Hz.
*/
double getFrequencyError();
float getFrequencyError();
/*!
\brief Query modem for the packet length of received payload.