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simplify

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This commit is contained in:
Sacha Weatherstone 2023-05-21 12:58:05 +10:00
parent 3856459fce
commit 045c5f7dd5
1 changed files with 8 additions and 9 deletions
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17
src/components/tools/FrequencyCalculator.tsx
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@ -263,22 +263,21 @@ export const FrequencyCalculator = (): JSX.Element => {
useEffect(() => {
const selectedRegion = RegionData.get(region);
const selectedModemPreset = modemPresets.get(modemPreset);
const calculatedNumChannels = Math.floor(
(selectedRegion.freq_end - selectedRegion.freq_start) /
(selectedRegion.spacing + selectedModemPreset.bw / 1000),
setNumChannels(
Math.floor(
(selectedRegion.freq_end - selectedRegion.freq_start) /
(selectedRegion.spacing + selectedModemPreset.bw / 1000),
),
);
setNumChannels(calculatedNumChannels);
let updatedChannel = channel;
if (updatedChannel >= calculatedNumChannels) {
updatedChannel = calculatedNumChannels - 1;
if (channel >= numChannels) {
setChannel(numChannels - 1);
}
setChannel(updatedChannel);
setChannelFrequency(
selectedRegion.freq_start +
selectedModemPreset.bw / 2000 +
updatedChannel * (selectedModemPreset.bw / 1000),
channel * (selectedModemPreset.bw / 1000),
);
}, [modemPreset, region, channel]);