ERS Eye
Last updated
Last updated
| 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
// 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;
}