Create D20-L.js

Author: UBWH

LoRaWAN/decoders/Dragino/D20-L.js

@@ -0,0 +1,170 @@
+function decodeUplink(input) {
+        return { 
+            data: Decode(input.fPort, input.bytes, input.variables)
+        };   
+}
+function datalog(i,bytes){
+  var aa= parseFloat(((bytes[0+i]<<24>>16 | bytes[1+i])/10).toFixed(1));
+  var bb= parseFloat(((bytes[2+i]<<24>>16 | bytes[3+i])/10).toFixed(1));
+  var cc= parseFloat(((bytes[4+i]<<24>>16 | bytes[5+i])/10).toFixed(1));
+  var dd= (bytes[6+i]&0x02) ? "High":"Low";
+  var ee= (bytes[6+i]&0x01) ? "True":"False";
+  var ff= getMyDate((bytes[7+i]<<24 | bytes[8+i]<<16 | bytes[9+i]<<8 | bytes[10+i]).toString(10));
+  var string='['+aa+','+bb+','+cc+','+dd+','+ee+','+ff+']'+',';  
+  
+  return string;
+}
+
+function getzf(c_num){ 
+  if(parseInt(c_num) < 10)
+    c_num = '0' + c_num; 
+
+  return c_num; 
+}
+
+function getMyDate(str){ 
+  var c_Date;
+  if(str > 9999999999)
+    c_Date = new Date(parseInt(str));
+  else 
+    c_Date = new Date(parseInt(str) * 1000);
+  
+  var c_Year = c_Date.getFullYear(), 
+  c_Month = c_Date.getMonth()+1, 
+  c_Day = c_Date.getDate(),
+  c_Hour = c_Date.getHours(), 
+  c_Min = c_Date.getMinutes(), 
+  c_Sen = c_Date.getSeconds();
+  var c_Time = c_Year +'-'+ getzf(c_Month) +'-'+ getzf(c_Day) +' '+ getzf(c_Hour) +':'+ getzf(c_Min) +':'+getzf(c_Sen); 
+  
+  return c_Time;
+}
+
+function Decode(fPort, bytes, variables) {
+  //D23-LB Decode   
+  if(fPort==0x02)
+  {
+    var decode = {};
+    var mode=(bytes[6] & 0x7C)>>2;
+	decode.Node_type="D20-L";
+    if(mode===3)
+    {
+      decode.BatV=(bytes[0]<<8 | bytes[1])/1000;
+      decode.EXTI_Trigger=(bytes[6] & 0x01)? "TRUE":"FALSE";
+      decode.Door_status=(bytes[6] & 0x80)? "CLOSE":"OPEN";     
+      if((bytes[2]==0x7f)&&(bytes[3]==0xff))
+        decode.TempC1= "NULL";
+      else
+      {
+        decode.TempC1= parseFloat(((bytes[2]<<24>>16 | bytes[3])/10).toFixed(1));
+      }
+        
+      if(!((bytes[7]==0x7f)&&(bytes[8]==0xff)))
+      {
+        decode.TempC2= parseFloat(((bytes[7]<<24>>16 | bytes[8])/10).toFixed(1));
+      }
+        
+      if(!((bytes[9]==0x7f)&&(bytes[10]==0xff)))
+      {
+        decode.TempC3= parseFloat(((bytes[9]<<24>>16 | bytes[10])/10).toFixed(1));
+      }
+    }
+    else if(mode==31)
+    {
+      decode.TEMPC1_MIN= bytes[4]<<24>>24;
+      decode.TEMPC1_MAX= bytes[5]<<24>>24;
+      decode.TEMPC2_MIN= bytes[7]<<24>>24;
+      decode.TEMPC2_MAX= bytes[8]<<24>>24;
+      decode.TEMPC3_MIN= bytes[9]<<24>>24;
+      decode.TEMPC3_MAX= bytes[10]<<24>>24;       
+    }
+    
+    if(bytes.length==11)
+      return decode;
+  }
+  else if(fPort==3)  
+  {
+    var pnack= ((bytes[6]>>7)&0x01) ? "True":"False";
+    for(var i=0;i<bytes.length;i=i+11)
+    {
+      var data= datalog(i,bytes);
+      if(i=='0')
+        data_sum=data;
+      else
+        data_sum+=data;
+    }
+    return{
+	Node_type:"D23-L",
+    DATALOG:data_sum,
+    PNACKMD:pnack,
+    };    
+  }
+  else if(fPort==5)
+  {
+  	var freq_band;
+  	var sub_band;
+    var sensor;
+    
+    if(bytes[0]==0x19)
+      sensor= "D23-LB";
+      
+	  var firm_ver= (bytes[1]&0x0f)+'.'+(bytes[2]>>4&0x0f)+'.'+(bytes[2]&0x0f);
+	  
+    if(bytes[3]==0x01)
+        freq_band="EU868";
+  	else if(bytes[3]==0x02)
+        freq_band="US915";
+  	else if(bytes[3]==0x03)
+        freq_band="IN865";
+  	else if(bytes[3]==0x04)
+        freq_band="AU915";
+  	else if(bytes[3]==0x05)
+        freq_band="KZ865";
+  	else if(bytes[3]==0x06)
+        freq_band="RU864";
+  	else if(bytes[3]==0x07)
+        freq_band="AS923";
+  	else if(bytes[3]==0x08)
+        freq_band="AS923_1";
+  	else if(bytes[3]==0x09)
+        freq_band="AS923_2";
+  	else if(bytes[3]==0x0A)
+        freq_band="AS923_3";
+  	else if(bytes[3]==0x0F)
+        freq_band="AS923_4";
+  	else if(bytes[3]==0x0B)
+        freq_band="CN470";
+  	else if(bytes[3]==0x0C)
+        freq_band="EU433";
+  	else if(bytes[3]==0x0D)
+        freq_band="KR920";
+  	else if(bytes[3]==0x0E)
+        freq_band="MA869";
+  	
+    if(bytes[4]==0xff)
+      sub_band="NULL";
+	  else
+      sub_band=bytes[4];
+
+    var bat= (bytes[5]<<8 | bytes[6])/1000;
+    
+  	return {
+  	  SENSOR_MODEL:sensor,
+      FIRMWARE_VERSION:firm_ver,
+      FREQUENCY_BAND:freq_band,
+      SUB_BAND:sub_band,
+      BAT:bat,
+  	}
+  }
+}
+
+function encodeDownlink(input) {
+  var command = input.data.command;
+  var output = [];
+
+  for (var i=0,j=0; i<command.length; i+=2,j++) {
+   output[j]=parseInt(command.substr(i,2), 16);
+  }
+
+  return {bytes: output};
+}