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Fix floating point limitation in frequency correction

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This commit is contained in:
Jan Käberich 2022-06-07 16:13:45 +02:00
parent fa3a74df94
commit a9312aab4d
1 changed files with 1 additions and 1 deletions
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2
Software/VNA_embedded/Application/Cal.cpp
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@ -154,7 +154,7 @@ uint64_t Cal::FrequencyCorrectionToDevice(uint64_t freq) {
// The frequency calibration is only used when the internal reference is active. // The frequency calibration is only used when the internal reference is active.
// If an external reference is in use, it is assumed to already be at the correct frequency // If an external reference is in use, it is assumed to already be at the correct frequency
if(!HW::Ref::usingExternal()) { if(!HW::Ref::usingExternal()) {
freq -= freq * cal.TCXO_PPM_correction * 1e-6f; freq -= (int32_t) (freq * cal.TCXO_PPM_correction * 1e-6f);
} }
return freq; return freq;
} }