TTN Smart Sensor (Tinovi)

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 var bytesToInt = function (/*byte[]*/byteArray, dev) { var value = 0; for (var i = 0; i < byteArray.length; i++) { value = (value * 256) + byteArray[i]; } return value / dev; }; var bytesToSignedInt = function (bytes, dev) { var sign = bytes[0] & (1 << 7); var x = ((bytes[0] & 0xFF) << 8) | (bytes[1] & 0xFF); if (sign) { x = 0xFFFF0000 | x; } return x / dev; }; function decodeUplink(input) { var bytes = input.bytes; var decoded = {}; var pos = 1; decoded.valv = ((bytes[0] >> 7) & 1); decoded.leak = ((bytes[0] >> 6) & 1); decoded.bat = bytes[pos++]; if (((bytes[0] >> 0) & 1) === 1) { //SOIL decoded.e25 = bytesToInt(bytes.slice(pos, pos + 2), 100); pos = pos + 2; decoded.ec = bytesToInt(bytes.slice(pos, pos + 2), 10); pos = pos + 2; decoded.temp = bytesToSignedInt(bytes.slice(pos, pos + 2), 100); pos = pos + 2; decoded.vwc = bytesToInt(bytes.slice(pos, pos + 2), 1); pos = pos + 2; } if (((bytes[0] >> 1) & 1) === 1) { //BME decoded.airTemp = bytesToSignedInt(bytes.slice(pos, pos + 2), 100); pos = pos + 2; decoded.airHum = bytesToInt(bytes.slice(pos, pos + 2), 100); pos = pos + 2; var airPressuse = bytesToInt(bytes.slice(pos, pos + 2), 1) + 50000; if (airPressuse !== 65536) { decoded.airPres = airPressuse; } pos = pos + 2; } if (((bytes[0] >> 2) & 1) === 1) { //OPT decoded.lux = bytesToInt(bytes.slice(pos, pos + 4), 100); pos = pos + 4; } if (((bytes[0] >> 4) & 1) === 1) { //PULSE decoded.pulse = bytesToInt(bytes.slice(pos, pos + 4), 1); pos = pos + 4; } if (((bytes[0] >> 3) & 1) === 1) { //SOIL decoded.e25_1 = bytesToInt(bytes.slice(pos, pos + 2), 100); pos = pos + 2; decoded.ec_1 = bytesToInt(bytes.slice(pos, pos + 2), 10); pos = pos + 2; decoded.temp_1 = bytesToSignedInt(bytes.slice(pos, pos + 2), 100); pos = pos + 2; decoded.vwc_1 = bytesToInt(bytes.slice(pos, pos + 2), 1); pos = pos + 2; } if (((bytes[0] >> 5) & 1) === 1) { //PRESSURE decoded.press = bytesToInt(bytes.slice(pos, pos + 2), 100); pos = pos + 2; } if (bytes.length > (pos + 1)) { var set1 = bytes[pos++]; if (((set1 >> 1) & 1) === 1) { //LEAF decoded.leafHum = bytesToInt(bytes.slice(pos, pos + 2), 100); pos = pos + 2; decoded.leafTemp = bytesToSignedInt(bytes.slice(pos, pos + 2), 100); pos = pos + 2; } } return { data: decoded, }; }