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function Decode(fPort, bytes) {get_user_mode(input) { var user_mode = input[9] & 0x7; switch (fPortuser_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.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.Reference_Completed Storage_Fully_Charged= bytes[9] >> 46 & 0x01; , output.Zero_Error= bytes[9] >> 5 & 0x01, output.OperatingCalibration_Mode OK= bytes[9] >> 74 & 0x01, output.User_Mode = get_user_mode(bytes); output.User_Value = get_user_value(bytes); } return output; } function decode_port_2(bytes) { var output.Storage_Fully_Charged = bytes[9 = {}; { var REV_Major = (bytes[0] & 0xF).toString(); var REV_Minor = ((bytes[0] >> 64) & 0x010xF).toString(); output.REV = REV_Major + "." + REV_Minor; } { var ifHW_Major = (bytes.length === 11) {[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 umFW_Minor = bytes[9] & 0x035].toString(); output.FW = "20" + FW_Year + "." + FW_Month + "." + FW_Day + "." + FW_Minor; } return output; } function decode_port_3(bytes) { var uvoutput = {}; (um === 0) ? bytes[10] : bytes[10] * 0.5; 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.Usermotor_Moderange = um2.288; break; case 12: output.Usermotor_Valuerange = uv; 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; } |
Milesight Codec Downlink Encoder
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