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26 lines
803 B
JavaScript
26 lines
803 B
JavaScript
// TTN V2
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function Decoder(bytes, port) {
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var decoded = {};
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decoded.latitude = ((bytes[0]<<24)>>>0) + ((bytes[1]<<16)>>>0) + ((bytes[2]<<8)>>>0) + bytes[3];
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decoded.latitude /= 10e4;
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decoded.longitude = ((bytes[4]<<24)>>>0) + ((bytes[5]<<16)>>>0) + ((bytes[6]<<8)>>>0) + bytes[7];
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decoded.longitude /= 10e4;
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decoded.lastGPSAcquisition = bytes[8];
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return decoded;
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}
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// TTN V3
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function decodeUplink(input) {
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const bytes = input.bytes, data = {}
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data.latitude = ((bytes[0]<<24)>>>0) + ((bytes[1]<<16)>>>0) + ((bytes[2]<<8)>>>0) + bytes[3];
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data.latitude /= 10e4;
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data.longitude = ((bytes[4]<<24)>>>0) + ((bytes[5]<<16)>>>0) + ((bytes[6]<<8)>>>0) + bytes[7];
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data.longitude /= 10e4;
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data.lastGPSAcquisition = bytes[8];
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return {
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data,
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warnings: [],
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errors: []
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};
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}
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