LoRaWAN
Contents
aim
- fill in the white spots
- Dinslaken does not have any TTN-gateways
- evaluate performance in tunnels
set-up
devices
- https://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html
- https://heltec-automation-docs.readthedocs.io/en/latest/cubecell/index.html
gateways
- https://mikrotik.com/product/ltap_lr8_lte_kit
- https://mikrotik.com/product/lora_antenna_kit
- you might need to istall RouterOS/MMIPS/Extra packages (lora + gps) first
- LTE-SIM goes slot-2 only
ttn
Applications > [device lt-22222-l] > Payload Formats > decoder
function Decoder(bytes, port) {
var hardware= (bytes[10] & 0xC0)>>6;
var mode0= bytes[10] & 0xff;
var mode= bytes[10] & 0x3f;
var decode = {};
if(hardware=='0')
{
decode.Hardware_mode="LT33222";
decode.DO3_status=(bytes[8] &0x04)? "L":"H";
if(mode0=='1')
{
decode.DI3_status= (bytes[8] &0x20)?"H":"L";
}
}
else if(hardware=='1')
{
decode.Hardware_mode= "LT22222";
}
if(mode!=6)
{
decode.DO1_status= (bytes[8] &0x01)? "L":"H";
decode.DO2_status= (bytes[8] &0x02)? "L":"H";
decode.RO1_status= (bytes[8] &0x80)? "ON":"OFF";
decode.RO2_status= (bytes[8] &0x40)? "ON":"OFF";
if(mode!=1)
{
if(mode!=5)
{
decode.Count1_times= (bytes[0]<<24 | bytes[1]<<16 | bytes[2]<<8 | bytes[3]);
}
decode.First_status= (bytes[8] &0x20)? "Yes":"No";
}
}
if(mode=='1')
{
decode.Work_mode= "2ACI+2AVI";
decode.AVI1_V= parseFloat(((bytes[0]<<24>>16 | bytes[1])/1000).toFixed(3));
decode.AVI2_V= parseFloat(((bytes[2]<<24>>16 | bytes[3])/1000).toFixed(3));
decode.ACI1_mA= parseFloat(((bytes[4]<<24>>16 | bytes[5])/1000).toFixed(3));
decode.ACI2_mA= parseFloat(((bytes[6]<<24>>16 | bytes[7])/1000).toFixed(3));
decode.DI1_status= (bytes[8] &0x08)? "H":"L";
decode.DI2_status= (bytes[8] &0x10)? "H":"L"
}
else if(mode=='2')
{
decode.Work_mode= "Count mode 1";
decode.Count2_times= (bytes[4]<<24 | bytes[5]<<16 | bytes[6]<<8 | bytes[7]);
}
else if(mode=='3')
{
decode.Work_mode= "2ACI+1Count";
decode.ACI1_mA= parseFloat(((bytes[4]<<24>>16 | bytes[5])/1000).toFixed(3));
decode.ACI2_mA= parseFloat(((bytes[6]<<24>>16 | bytes[7])/1000).toFixed(3));
}
else if(mode=='4')
{
decode.Work_mode= "Count mode 2";
decode.Acount_times= (bytes[4]<<24 | bytes[5]<<16 | bytes[6]<<8 | bytes[7]);
}
else if(mode=='5')
{
decode.Work_mode= " 1ACI+2AVI+1Count";
decode.AVI1_V= parseFloat(((bytes[0]<<24>>16 | bytes[1])/1000).toFixed(3));
decode.AVI2_V= parseFloat(((bytes[2]<<24>>16 | bytes[3])/1000).toFixed(3));
decode.ACI1_mA= parseFloat(((bytes[4]<<24>>16 | bytes[5])/1000).toFixed(3));
decode.Count1_times= bytes[6]<<8 | bytes[7];
}
else if(mode=='6')
{
decode.Work_mode= "Exit mode";
decode.Mode_status= bytes[9] ? "True":"False";
decode.AV1L_flag= (bytes[0] &0x80)? "True":"False";
decode.AV1H_flag= (bytes[0] &0x40)? "True":"False";
decode.AV2L_flag= (bytes[0] &0x20)? "True":"False";
decode.AV2H_flag= (bytes[0] &0x10)? "True":"False";
decode.AC1L_flag= (bytes[0] &0x08)? "True":"False";
decode.AC1H_flag= (bytes[0] &0x04)? "True":"False";
decode.AC2L_flag= (bytes[0] &0x02)? "True":"False";
decode.AC2H_flag= (bytes[0] &0x01)? "True":"False";
decode.AV1L_status= (bytes[1] &0x80)? "True":"False";
decode.AV1H_status= (bytes[1] &0x40)? "True":"False";
decode.AV2L_status= (bytes[1] &0x20)? "True":"False";
decode.AV2H_status= (bytes[1] &0x10)? "True":"False";
decode.AC1L_status= (bytes[1] &0x08)? "True":"False";
decode.AC1H_status= (bytes[1] &0x04)? "True":"False";
decode.AC2L_status= (bytes[1] &0x02)? "True":"False";
decode.AC2H_status= (bytes[1] &0x01)? "True":"False";
decode.DI2_status= (bytes[2] &0x08)? "True":"False";
decode.DI2_flag= (bytes[2] &0x04)? "True":"False";
decode.DI1_status= (bytes[2] &0x02)? "True":"False";
decode.DI1_flag= (bytes[2] &0x01)? "True":"False";
}
if(bytes.length==11)
{
return decode;
}
}
Applications > [app] > Data
Fields:
{
"ACI1_mA": 0,
"ACI2_mA": 0,
"AVI1_V": 0,
"AVI2_V": 0,
"DI1_status": "H",
"DI2_status": "H",
"DO1_status": "H",
"DO2_status": "H",
"Hardware_mode": "LT22222",
"RO1_status": "OFF",
"RO2_status": "OFF",
"Work_mode": "2ACI+2AVI"
}
Metadata (meines Gateways):
{
"time": "2021-03-04T13:53:19.117270901Z",
"frequency": 867.3,
"modulation": "LORA",
"data_rate": "SF7BW125",
"coding_rate": "4/5",
"gateways": [
{
"gtw_id": "eui-3133303718004a00",
"timestamp": 900120461,
"time": "2021-03-04T13:53:19.547715Z",
"channel": 4,
"rssi": -56,
"snr": 11.5
}
],
"latitude": 51.572525,
"longitude": 6.7609153,
"altitude": 3,
"location_source": "registry"
}
thethingsnetwork.org
neighborhood gateways
- https://ttnmapper.org/gateways/?gateway=eui-fcc23dfffe0ab5c7
- https://ttnmapper.org/gateways/?gateway=eui-3133303719006800
neighborhood communities
- https://www.thethingsnetwork.org/community/hunxe/
- https://www.thethingsnetwork.org/community/niederrhein/
- https://www.thethingsnetwork.org/community/gelsenkirchen/
- https://www.thethingsnetwork.org/community/emscher-lippe/
- https://www.thethingsnetwork.org/community/essen/
ttnmapper.org
gateway
- https://ttnmapper.org/?lat=51.5573&lon=6.7442&zoom=12&layer=mapnik
- https://ttnmapper.org/gateways/?gateway=eui-3133303718004a00&startdate=&enddate=&gateways=on&lines=on&points=on
device
- Applications > [app] > Integrations > TTN Mapper is needed to pass location towards ttnmapper.org
- device will be 'private' if 'experiment name' is set!
