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ERS Eye

Product Datasheet

Device Profile for Tesenso IoT Cloud

Decoder/Payload Converter for Tesenso IoT Cloud

https://github.com/Tesenso-GmbH/Device-Decoder/blob/main/ELSYS_ERS_Eye.js
// V1.0, 09.08.2021, DS

var TYPE_TEMP = 0x01; //temp 2 bytes -3276.8°C -->3276.7°C
var TYPE_RH = 0x02; //Humidity 1 byte  0-100%
var TYPE_ACC =
0x03; //acceleration 3 bytes X,Y,Z -128 --> 127 +/-63=1G
var TYPE_LIGHT = 0x04; //Light 2 bytes 0-->65535 Lux
var TYPE_MOTION = 0x05; //No of motion 1 byte  0-255
var TYPE_CO2 = 0x06; //Co2 2 bytes 0-65535 ppm
var TYPE_VDD = 0x07; //VDD 2byte 0-65535mV
var TYPE_ANALOG1 = 0x08; //VDD 2byte 0-65535mV
var TYPE_GPS = 0x09; //3bytes lat 3bytes long binary
var TYPE_PULSE1 = 0x0A; //2bytes relative pulse count
var TYPE_PULSE1_ABS = 0x0B; //4bytes no 0->0xFFFFFFFF
var TYPE_EXT_TEMP1 = 0x0C; //2bytes -3276.5C-->3276.5C
var TYPE_EXT_DIGITAL = 0x0D; //1bytes value 1 or 0
var TYPE_EXT_DISTANCE = 0x0E; //2bytes distance in mm
var TYPE_ACC_MOTION =
0x0F; //1byte number of vibration/motion
var TYPE_IR_TEMP =
0x10; //2bytes internal temp 2bytes external temp -3276.5C-->3276.5C
var TYPE_OCCUPANCY = 0x11; //1byte data
var TYPE_WATERLEAK = 0x12; //1byte data 0-255
var TYPE_GRIDEYE =
0x13; //65byte temperature data 1byte ref+64byte external temp
var TYPE_PRESSURE = 0x14; //4byte pressure data (hPa)
var TYPE_SOUND = 0x15; //2byte sound data (peak/avg)
var TYPE_PULSE2 = 0x16; //2bytes 0-->0xFFFF
var TYPE_PULSE2_ABS = 0x17; //4bytes no 0->0xFFFFFFFF
var TYPE_ANALOG2 = 0x18; //2bytes voltage in mV
var TYPE_EXT_TEMP2 = 0x19; //2bytes -3276.5C-->3276.5C
var TYPE_EXT_DIGITAL2 = 0x1A; // 1bytes value 1 or 0
var TYPE_EXT_ANALOG_UV = 0x1B; // 4 bytes signed int (uV)
var TYPE_DEBUG = 0x3D; // 4bytes debug

if (msg.data) {
    var decoded = decodeFromHex(hexToBytes(msg.data));

    return {
        msg: decoded,
        metadata: metadata,
        msgType: msgType
    };
} else {
    return {
        msg: decoded,
        metadata: metadata,
        msgType: msgType
    };
}

function decodeFromHex(data) {
    var obj = {};
    for (i = 0; i < data.length; i++) {
        switch (data[i]) {
            case TYPE_TEMP: //Temperature
                var temp = (data[i + 1] << 8) | (data[i +
                    2]);
                temp = bin16dec(temp);
                obj.temperature = temp / 10;
                i += 2;
                break
            case TYPE_RH: //Humidity
                var rh = (data[i + 1]);
                obj.humidity = rh;
                i += 1;
                break
            case TYPE_ACC: //Acceleration
                obj.x = bin8dec(data[i + 1]);
                obj.y = bin8dec(data[i + 2]);
                obj.z = bin8dec(data[i + 3]);
                i += 3;
                break
            case TYPE_LIGHT: //Light
                obj.light = (data[i + 1] << 8) | (data[i +
                    2]);
                i += 2;
                break
            case TYPE_MOTION: //Motion sensor(PIR)
                obj.motion = (data[i + 1]);
                i += 1;
                break
            case TYPE_CO2: //CO2
                obj.co2 = (data[i + 1] << 8) | (data[i +
                2]);
                i += 2;
                break
            case TYPE_VDD: //Battery level
                obj.vdd = (data[i + 1] << 8) | (data[i +
                2]);
                i += 2;
                break
            case TYPE_ANALOG1: //Analog input 1
                obj.analog1 = (data[i + 1] << 8) | (data[i +
                    2]);
                i += 2;
                break
            case TYPE_GPS: //gps
                i++;
                obj.lat = (data[i + 0] | data[i + 1] << 8 |
                    data[i + 2] << 16 | (data[i + 2] &
                        0x80 ? 0xFF << 24 : 0)) / 10000;
                obj.long = (data[i + 3] | data[i + 4] << 8 |
                    data[i + 5] << 16 | (data[i + 5] &
                        0x80 ? 0xFF << 24 : 0)) / 10000;
                i += 5;
                break
            case TYPE_PULSE1: //Pulse input 1
                obj.pulse1 = (data[i + 1] << 8) | (data[i +
                    2]);
                i += 2;
                break
            case TYPE_PULSE1_ABS: //Pulse input 1 absolute value
                var pulseAbs = (data[i + 1] << 24) | (data[
                        i + 2] << 16) | (data[i + 3] << 8) |
                    (data[i + 4]);
                obj.pulseAbs = pulseAbs;
                i += 4;
                break
            case TYPE_EXT_TEMP1: //External temp
                var temp = (data[i + 1] << 8) | (data[i +
                    2]);
                temp = bin16dec(temp);
                obj.externalTemperature = temp / 10;
                i += 2;
                break
            case TYPE_EXT_DIGITAL: //Digital input
                obj.digital = (data[i + 1]);
                i += 1;
                break
            case TYPE_EXT_DISTANCE: //Distance sensor input
                obj.distance = (data[i + 1] << 8) | (data[
                    i + 2]);
                i += 2;
                break
            case TYPE_ACC_MOTION: //Acc motion
                obj.accMotion = (data[i + 1]);
                i += 1;
                break
            case TYPE_IR_TEMP: //IR temperature
                var iTemp = (data[i + 1] << 8) | (data[i +
                    2]);
                iTemp = bin16dec(iTemp);
                var eTemp = (data[i + 3] << 8) | (data[i +
                    4]);
                eTemp = bin16dec(eTemp);
                obj.irInternalTemperature = iTemp / 10;
                obj.irExternalTemperature = eTemp / 10;
                i += 4;
                break
            case TYPE_OCCUPANCY: //Body occupancy
                obj.occupancy = (data[i + 1]);
                i += 1;
                break
            case TYPE_WATERLEAK: //Water leak
                obj.waterleak = (data[i + 1]);
                i += 1;
                break
            case TYPE_GRIDEYE: //Grideye data
                var ref = data[i + 1];
                i++;
                obj.grideye = [];
                for (var j = 0; j < 64; j++) {
                    obj.grideye[j] = ref + (data[1 + i +
                        j] / 10.0);
                }
                i += 64;
                break
            case TYPE_PRESSURE: //External Pressure
                var temp = (data[i + 1] << 24) | (data[i +
                    2] << 16) | (data[i + 3] << 8) | (
                    data[i + 4]);
                obj.pressure = temp / 1000;
                i += 4;
                break
            case TYPE_SOUND: //Sound
                obj.soundPeak = data[i + 1];
                obj.soundAvg = data[i + 2];
                i += 2;
                break
            case TYPE_PULSE2: //Pulse 2
                obj.pulse2 = (data[i + 1] << 8) | (data[i +
                    2]);
                i += 2;
                break
            case TYPE_PULSE2_ABS: //Pulse input 2 absolute value
                obj.pulseAbs2 = (data[i + 1] << 24) | (data[
                        i + 2] << 16) | (data[i + 3] << 8) |
                    (data[i + 4]);
                i += 4;
                break
            case TYPE_ANALOG2: //Analog input 2
                obj.analog2 = (data[i + 1] << 8) | (data[i +
                    2]);
                i += 2;
                break
            case TYPE_EXT_TEMP2: //External temp 2
                var temp = (data[i + 1] << 8) | (data[i +
                    2]);
                temp = bin16dec(temp);
                if (typeof obj.externalTemperature2 ===
                    "number") {
                    obj.externalTemperature2 = [obj
                        .externalTemperature2
                    ];
                }
                if (typeof obj.externalTemperature2 ===
                    "object") {
                    obj.externalTemperature2.push(temp /
                    10);
                } else {
                    obj.externalTemperature2 = temp / 10;
                }
                i += 2;
                break
            case TYPE_EXT_DIGITAL2: //Digital input 2
                obj.digital2 = (data[i + 1]);
                i += 1;
                break
            case TYPE_EXT_ANALOG_UV: //Load cell analog uV
                obj.analogUv = (data[i + 1] << 24) | (data[
                        i + 2] << 16) | (data[i + 3] << 8) |
                    (data[i + 4]);
                i += 4;
                break
            default: //somthing is wrong with data
                i = data.length;
                break
        }
    }
    return obj;
}


function bin16dec(bin) {
    var num = bin & 0xFFFF;
    if (0x8000 & num)
        num = -(0x010000 - num);
    return num;
}

function bin8dec(bin) {
    var num = bin & 0xFF;
    if (0x80 & num)
        num = -(0x0100 - num);
    return num;
}

function hexToBytes(hex) {
    for (var bytes = [], c = 0; c < hex.length; c += 2) {
        bytes.push(parseInt(hex.substr(c, 2), 16));
    }
    return bytes;
}

Device Labels

in manual
dataKey
dataType
dataFormat

Temperature

temperature

telemetry

float

Humidity

humidity

telemetry

float

Light

light

telemetry

float

Acceleration

accX, accY, accZ

telemetry

Motion (PIR)

motion

telemetry

float

CO2

co2

telemetry

VDD (Battery voltage)

vdd

telemetry

float

Occupancy

integer

Grid-Eye Room occupancy

integer

Debug information

debug

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