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[SX128x] Merge pull request #1206 from Jorropo/fix-signed-ranging-result

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fix getRangingResult to properly account for signed numbers
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Jan Gromeš 2024-09-07 08:46:52 +02:00 • committed by GitHub
commit 885a921ea3
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1 changed files with 2 additions and 1 deletions
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src/modules/SX128x/SX1280.cpp
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@ -176,7 +176,8 @@ float SX1280::getRangingResult() {
RADIOLIB_ASSERT(state); RADIOLIB_ASSERT(state);
// calculate the real result // calculate the real result
uint32_t raw = ((uint32_t)data[0] << 16) | ((uint32_t)data[1] << 8) | data[2]; uint32_t uraw = ((uint32_t)data[0] << 16) | ((uint32_t)data[1] << 8) | data[2];
int32_t raw = (uraw & ((1<<23) - 1)) | (uraw >> 23 << 31);
return((float)raw * 150.0 / (4.096 * this->bandwidthKhz)); return((float)raw * 150.0 / (4.096 * this->bandwidthKhz));
} }