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function get_user_mode(input) {
var user_mode = input[9] & 0x7;
switch (user_mode) {
case 0:
return "Valve_Position";
case 1:
return "RESERVED";
case 2:
return "SP_Ambient_Temperature";
case 3:
return "Detecting_Opening_Point";
case 4:
return "Slow_Harvesting";
case 5:
return "Temperature_Drop";
case 6:
return "Freeze_Protect";
case 7:
return "Forced_Heating";
default:
return "Unknown Operating Mode";
}
}
function get_user_value(input) {
var user_mode = get_user_mode(input);
switch (user_mode) {
case "Valve_Position":
case "Freeze_Protect":
case "Forced_Heating":
return input[10];
case "SP_Ambient_Temperature":
return input[10] * 0.5;
case "Detecting_Opening_Point":
case "Slow_Harvesting":
return input[10] * 0.25;
default:
return "Invalid User Mode";
}
}
function decode_port_1(bytes) {
var output = {};
{
output.DEV_EUI = LoRaObject.devEUI;
output.RSSI = LoRaObject.rxInfo[0].rssi;
output.SNR = LoRaObject.rxInfo[0].loRaSNR;
output.Data = LoRaObject.data;
output.ADR = LoRaObject.txInfo.adr;
output.coderate = LoRaObject.txInfo.codeRate;
output.FCnt = LoRaObject.fCnt;
output.Port = LoRaObject.fPort;
output.Frequency = LoRaObject.txInfo.frequency;
output.Modulation = LoRaObject.txInfo.dataRate.modulation;
output.Bandwidth = LoRaObject.txInfo.dataRate.bandwidth;
output.SpreadingFactor = LoRaObject.txInfo.dataRate.spreadFactor;
output.Current_Valve_Position = bytes[0];
output.Flow_Sensor_Raw = bytes[1] * 0.5;
output.Flow_Temperature = bytes[2] * 0.5;
output.Ambient_Sensor_Raw = bytes[3] * 0.25;
output.Ambient_Temperature = bytes[4] * 0.25;
output.Temperature_Drop_Detected = bytes[5] >> 7 & 0x01;
output.Energy_Storage = bytes[5] >> 6 & 0x01;
output.Harvesting_Active = bytes[5] >> 5 & 0x01;
output.Ambient_Sensor_Failure = bytes[5] >> 4 & 0x01;
output.Flow_Sensor_Failure = bytes[5] >> 3 & 0x01;
output.Radio_Communication_Error = bytes[5] >> 2 & 0x01;
output.Received_Signal_Strength = bytes[5] >> 1 & 0x01;
output.Motor_Error = bytes[5] >> 0 & 0x01;
output.Storage_Voltage = Number((bytes[6] * 0.02).toFixed(2));
output.Average_Current_Consumed = bytes[7] * 10;
output.Average_Current_Generated = bytes[8] * 10;
output.Operating_Condition= bytes[9] >> 7 & 0x01,
output.Storage_Fully_Charged= bytes[9] >> 6 & 0x01,
output.Zero_Error= bytes[9] >> 5 & 0x01,
output.Calibration_OK= bytes[9] >> 4 & 0x01,
output.User_Mode = get_user_mode(bytes);
output.User_Value = get_user_value(bytes);
if (bytes.length == 12) {
utmp = bytes[11] * 0.25;
output.Used_Temperature = utmp;
}
}
return output;
}
function decode_port_2(bytes) {
var output = {};
{
var REV_Major = (bytes[0] & 0xF).toString();
var REV_Minor = ((bytes[0] >> 4) & 0xF).toString(16);
output.REV = REV_Major + "." + REV_Minor;
}
{
var HW_Major = (bytes[1] & 0xF).toString();
var HW_Minor = ((bytes[1] >> 4) & 0xF).toString();
output.HW = HW_Major + "." + HW_Minor;
}
{
var FW_Year = bytes[2].toString();
var FW_Month = bytes[3].toString();
var FW_Day = bytes[4].toString();
var FW_Minor = bytes[5].toString();
output.FW = "20" + FW_Year + "." + FW_Month + "." + FW_Day + "." + FW_Minor;
}
return output;
}
function decode_port_3(bytes) {
var output = {};
switch (bytes[0]) {
case 0:
output.motor_range = 2.56048;
break;
case 7:
output.motor_range = 1.456;
break;
case 8:
output.motor_range = 1.664;
break;
case 9:
output.motor_range = 1.872;
break;
case 10:
output.motor_range = 2.080;
break;
case 11:
output.motor_range = 2.288;
break;
case 12:
output.motor_range = 2.496;
break;
default:
output.motor_range = 0;
break;
}
return output;
}
function Decode(fPort, bytes) {
var output = {};
switch (fPort) {
case 1:
output = decode_port_1(bytes);
break;
case 2:
output = decode_port_2(bytes);
break;
case 3:
output = decode_port_3(bytes);
break;
default:
return {
errors: ['unknown FPort'],
};
}
return output;
} |
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