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26 lines
803 B
JavaScript

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