// Décodeur LoRaWAN officiel : CS01-LB (Dragino)
// Source : https://github.com/TheThingsNetwork/lorawan-devices/blob/master/vendor/dragino/cs01-lb.js
// The Things Network Device Repository, fichier publié par le constructeur, distribué sans modification.
// Format : decodeUplink(input) (TTN v3 / ChirpStack v4). Hébergé par smartbuildings.fr.

function decodeUplink(input) {\n return { \n data: Decode(input.fPort, input.bytes, input.variables)\n }; \n}\nfunction datalog(i,bytes){\n var aa= parseFloat((bytes[1+i]<<8 | bytes[2+i])/100).toFixed(2);\n var bb= parseFloat((bytes[3+i]<<8 | bytes[4+i])/100).toFixed(2);\n var cc= parseFloat((bytes[5+i]<<8 | bytes[6+i])/100).toFixed(2); \n var dd= (bytes[0+i]&0x02) ? \"High\":\"Low\";\n var ee= (bytes[0+i]&0x01) ? \"True\":\"False\";\n var ff= getMyDate((bytes[7+i]<<24 | bytes[8+i]<<16 | bytes[9+i]<<8 | bytes[10+i]).toString(10));\n var string='['+aa+','+bb+','+cc+','+dd+','+ee+','+ff+']'+','; \n \n return string;\n}\n\nfunction datalog2(i,bytes){\n var aa= parseFloat((bytes[i]<<8 | bytes[i+1])/100).toFixed(2); \n var string='['+ aa +']'+','; \n return string;\n}\n\nfunction getzf(c_num){ \n if(parseInt(c_num) < 10)\n c_num = '0' + c_num; \n\n return c_num; \n}\n\nfunction getMyDate(str){ \n var c_Date;\n if(str > 9999999999)\n c_Date = new Date(parseInt(str));\n else \n c_Date = new Date(parseInt(str) * 1000);\n \n var c_Year = c_Date.getFullYear(), \n c_Month = c_Date.getMonth()+1, \n c_Day = c_Date.getDate(),\n c_Hour = c_Date.getHours(), \n c_Min = c_Date.getMinutes(), \n c_Sen = c_Date.getSeconds();\n var c_Time = c_Year +'-'+ getzf(c_Month) +'-'+ getzf(c_Day) +' '+ getzf(c_Hour) +':'+ getzf(c_Min) +':'+getzf(c_Sen); \n \n return c_Time;\n}\n\nfunction Decode(fPort, bytes, variables) {\n //CS01-LB Decode \n if(fPort==0x02)\n {\n var decode = {}; \n var value=(bytes[0]<<8 | bytes[1]) & 0x3FFF;\n decode.battery= value/1000;\n decode.exti_trigger=(bytes[0] & 0x40)? \"TRUE\":\"FALSE\";\n decode.exti_level=(bytes[0] & 0x80)? \"HIGH\":\"LOW\";\n decode.current1_a=(bytes[2]<<8 | bytes[3])/100;\n decode.current2_a=(bytes[4]<<8 | bytes[5])/100;\n decode.current3_a=(bytes[6]<<8 | bytes[7])/100;\n decode.current4_a=(bytes[8]<<8 | bytes[9])/100;\n decode.cur1l_status= (bytes[10] &0x80)? \"True\":\"False\";\n decode.cur1h_status= (bytes[10] &0x40)? \"True\":\"False\";\n decode.cur2l_status= (bytes[10] &0x20)? \"True\":\"False\";\n decode.cur2h_status= (bytes[10] &0x10)? \"True\":\"False\"; \n decode.cur3l_status= (bytes[10] &0x08)? \"True\":\"False\";\n decode.cur3h_status= (bytes[10] &0x04)? \"True\":\"False\";\n decode.cur4l_status= (bytes[10] &0x02)? \"True\":\"False\";\n decode.cur4h_status= (bytes[10] &0x01)? \"True\":\"False\"; \n \n if(bytes.length==11)\n {\n return decode; \n }\n }\n else if(fPort==7)\n {\n var Bat= (bytes[0]<<8 | bytes[1])/1000;\n for(var k=2;k<bytes.length;k=k+2)\n {\n data= datalog2(k,bytes);\n if(k=='2')\n data_sum=data;\n else\n data_sum+=data;\n }\n return{\n battery:Bat,\n DATALOG:data_sum\n }; \n } \n else if(fPort==0x03) \n {\n var pnack= ((bytes[0]>>7)&0x01) ? \"True\":\"False\";\n for(var i=0;i<bytes.length;i=i+11)\n {\n var data= datalog(i,bytes);\n if(i=='0')\n data_sum=data;\n else\n data_sum+=data;\n }\n return{\n DATALOG:data_sum,\n PNACKMD:pnack,\n }; \n } \n else if(fPort==0x05)\n {\n var freq_band;\n var sub_band;\n var sensor;\n \n if(bytes[0]==0x33)\n sensor= \"CS01-LB\";\n \n var firm_ver= (bytes[1]&0x0f)+'.'+(bytes[2]>>4&0x0f)+'.'+(bytes[2]&0x0f);\n \n if(bytes[3]==0x01)\n freq_band=\"EU868\";\n else if(bytes[3]==0x02)\n freq_band=\"US915\";\n else if(bytes[3]==0x03)\n freq_band=\"IN865\";\n else if(bytes[3]==0x04)\n freq_band=\"AU915\";\n else if(bytes[3]==0x05)\n freq_band=\"KZ865\";\n else if(bytes[3]==0x06)\n freq_band=\"RU864\";\n else if(bytes[3]==0x07)\n freq_band=\"AS923\";\n else if(bytes[3]==0x08)\n freq_band=\"AS923_1\";\n else if(bytes[3]==0x09)\n freq_band=\"AS923_2\";\n else if(bytes[3]==0x0A)\n freq_band=\"AS923_3\";\n else if(bytes[3]==0x0F)\n freq_band=\"AS923_4\";\n else if(bytes[3]==0x0B)\n freq_band=\"CN470\";\n else if(bytes[3]==0x0C)\n freq_band=\"EU433\";\n else if(bytes[3]==0x0D)\n freq_band=\"KR920\";\n else if(bytes[3]==0x0E)\n freq_band=\"MA869\";\n \n if(bytes[4]==0xff)\n sub_band=\"NULL\";\n else\n sub_band=bytes[4];\n\n var bat= (bytes[5]<<8 | bytes[6])/1000;\n \n return {\n SENSOR_MODEL:sensor,\n FIRMWARE_VERSION:firm_ver,\n FREQUENCY_BAND:freq_band,\n SUB_BAND:sub_band,\n battery:bat,\n }\n } \n}