Sorry to hijack this thread. I might be completely stupid, but I indeed haven’t found a button (or other way) to create a new topic (strange).
I am also trying to migrate a simple tracking application from v2 to v3. I am having strange problems with the payload formatter. Maybe you can help me.
This is the formatter in v2:
function Decoder(bytes, port) {
// Decode an uplink message from a buffer
// (array) of bytes to an object of fields.
var latitude;//gps latitude,units: °
latitude=(bytes[0]<<24 | bytes[1]<<16 | bytes[2]<<8 | bytes[3])/1000000;//gps latitude,units: °
var longitude;
longitude=(bytes[4]<<24 | bytes[5]<<16 | bytes[6]<<8 | bytes[7])/1000000;//gps longitude,units: °
var alarm=(bytes[8] & 0x40)?"TRUE":"FALSE";//Alarm status
var batV=(((bytes[8] & 0x3f) <<8) | bytes[9])/1000;//Battery,units:V
if((bytes[10] & 0xC0)==0x40)
{
var motion_mode="Move";
}
else if((bytes[10] & 0xC0) ==0x80)
{
motion_mode="Collide";
}
else if((bytes[10] & 0xC0) ==0xC0)
{
motion_mode="User";
}
else
{
motion_mode="Disable";
} //mode of motion
var led_updown=(bytes[10] & 0x20)?"ON":"OFF";//LED status for position,uplink and downlink
var Firmware = 160+(bytes[10] & 0x1f); // Firmware version; 5 bits
var roll=(bytes[11]<<8 | bytes[12])/100;//roll,units: °
var pitch=(bytes[13]<<8 | bytes[14])/100; //pitch,units: °
var hdop = 0;
if(bytes[15] > 0)
{
hdop =bytes[15]/100; //hdop,units: °
}
else
{
hdop =bytes[15];
}
var altitude =(bytes[16]<<8 | bytes[17]) / 100; //Altitude,units: °
return {
Latitude: latitude,
Longitude: longitude,
Roll: roll,
Pitch:pitch,
BatV:batV,
ALARM_status:alarm,
MD:motion_mode,
LON:led_updown,
FW:Firmware,
HDOP:hdop,
Altitude:altitude,
};
}
This is the migrated formatter. I kept it as much as possible identical.
function decodeUplink(input) {
var bytes;
bytes = input.bytes;
var port;
port = input.fport;
var latitude;//gps latitude,units: °
latitude=(bytes[0]<<24 | bytes[1]<<16 | bytes[2]<<8 | bytes[3])/1000000;//gps latitude,units: °
var longitude;
longitude=(bytes[4]<<24 | bytes[5]<<16 | bytes[6]<<8 | bytes[7])/1000000;//gps longitude,units: °
var alarm=(bytes[8] & 0x40)?"TRUE":"FALSE";//Alarm status
var batV=(((bytes[8] & 0x3f) <<8) | bytes[9])/1000;//Battery,units:V
if((bytes[10] & 0xC0)==0x40)
{
var motion_mode="Move";
}
else if((bytes[10] & 0xC0) ==0x80)
{
motion_mode="Collide";
}
else if((bytes[10] & 0xC0) ==0xC0)
{
motion_mode="User";
}
else
{
motion_mode="Disable";
} //mode of motion
var led_updown=(bytes[10] & 0x20)?"ON":"OFF";//LED status for position,uplink and downlink
var Firmware = 160+(bytes[10] & 0x1f); // Firmware version; 5 bits
var roll=(bytes[11]<<8 | bytes[12])/100;//roll,units: °
var pitch=(bytes[13]<<8 | bytes[14])/100; //pitch,units: °
var hdop = 0;
if(bytes[15] > 0)
{
hdop =bytes[15]/100; //hdop,units: °
}
else
{
hdop =bytes[15];
}
var altitude =(bytes[16]<<8 | bytes[17]) / 100; //Altitude,units: °
return {
data: {
Latitude: latitude,
Longitude: longitude,
Roll: roll,
Pitch:pitch,
BatV:batV,
ALARM_status:alarm,
MD:motion_mode,
LON:led_updown,
FW:Firmware,
HDOP:hdop,
Altitude:altitude
},
warnings: [],
errors: []
};
}
If the payload is
02D4D6C000807E9C0F4164
the v2 result is:
{
"ALARM_status": "FALSE",
"Altitude": 0,
"BatV": 3.905,
"FW": 164,
"LON": "ON",
"Latitude": 47.50304,
"Longitude": 8.42102,
"MD": "Move",
"Pitch": 0,
"Roll": 0
}
In V3 I get for the same payload:
"decoded_payload": {
"ALARM_status": "FALSE",
"BatV": 3.905,
"FW": 164,
"LON": "ON",
"MD": "Disable",
"Pitch": 0,
"Roll": 0,
"altitude": 0,
"hdop": null,
"latitude": 47.50304,
"longitude": 0
},
Any idea?
) spend a little time reading around the forum and familiarising before being granted basic rights to start creating new threads and posts. With (at the time of checking) just 25 mins under your belt you havent yet got that access capability, though as you have done you can start to post against existing threads. This is done as a security and anti-spam measure as the forum is under constant thread of spammer abuse.
