-
Notifications
You must be signed in to change notification settings - Fork 5
/
Copy pathWisBlock-TagoIO-Chirpstack.js
225 lines (202 loc) · 10.7 KB
/
WisBlock-TagoIO-Chirpstack.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
// Add ignorable variables in this array.
const ignore_vars = ['rx_0_rf_chain', 'modulation', 'rx_0_gateway_id', 'rx_0_rssi', 'rx_0_lorasnr', 'rx_0_channel', 'rx_0_location', 'rx_0_fine_timestamp_type', 'rx_0_context', 'frequency', 'bandwidth', 'spreading_factor', 'code_rate', 'polarization_inversion', 'fCnt', 'fPort', 'deviceName', 'adr', 'dr', 'confirmedUplink', 'publishedAt', 'deviceProfileID', 'deviceProfileName', 'objectJSON', 'application_id', 'application_name', 'device_name', 'device_eui', 'dev_addr'];
const ignore_vars2 = ['payload'];
// Remove unwanted variables.
payload = payload.filter(x => !ignore_vars.includes(x.variable));
/**
* @reference https://github.com/myDevicesIoT/cayenne-docs/blob/master/docs/LORA.md
* @reference http://openmobilealliance.org/wp/OMNA/LwM2M/LwM2MRegistry.html#extlabel
*
* Adapted for lora-app-server from https://gist.github.com/iPAS/e24970a91463a4a8177f9806d1ef14b8
*
* Type IPSO LPP Hex Data Size Data Resolution per bit
* Digital Input 3200 0 0 1 1
* Digital Output 3201 1 1 1 1
* Analog Input 3202 2 2 2 0.01 Signed
* Analog Output 3203 3 3 2 0.01 Signed
* Illuminance Sensor 3301 101 65 2 1 Lux Unsigned MSB
* Presence Sensor 3302 102 66 1 1
* Temperature Sensor 3303 103 67 2 0.1 °C Signed MSB
* Humidity Sensor 3304 104 68 1 0.5 % Unsigned
* Accelerometer 3313 113 71 6 0.001 G Signed MSB per axis
* Barometer 3315 115 73 2 0.1 hPa Unsigned MSB
* Time 3333 133 85 4 Unix time MSB
* Gyrometer 3334 134 86 6 0.01 °/s Signed MSB per axis
* GPS Location 3336 136 88 9 Latitude : 0.0001 ° Signed MSB
* Longitude : 0.0001 ° Signed MSB
* Altitude : 0.01 meter Signed MSB
*
* Additional types
* Generic Sensor 3300 100 64 4 Unsigned integer MSB
* Voltage 3316 116 74 2 0.01 V Unsigned MSB
* Current 3317 117 75 2 0.001 A Unsigned MSB
* Frequency 3318 118 76 4 1 Hz Unsigned MSB
* Percentage 3320 120 78 1 1% Unsigned
* Altitude 3321 121 79 2 1m Signed MSB
* Concentration 3325 125 7D 2 1 PPM unsigned : 1pmm = 1 * 10 ^-6 = 0.000 001
* Power 3328 128 80 2 1 W Unsigned MSB
* Distance 3330 130 82 4 0.001m Unsigned MSB
* Energy 3331 131 83 4 0.001kWh Unsigned MSB
* Colour 3335 135 87 3 R: 255 G: 255 B: 255
* Direction 3332 132 84 2 1º Unsigned MSB
* Switch 3342 142 8E 1 0/1
*
* RAKwireless specific types
* GPS Location 3337 137 89 11 Higher precision location information
* Latitude : 0.000001 ° Signed MSB
* Longitude : 0.000001 ° Signed MSB
* Altitude : 0.01 meter Signed MSB
* VOC index 3338 138 8A 1 VOC index
* Wind Speed 3390 190 BE 2 Wind speed 0.01 m/s
* Wind Direction 3391 191 BF 2 Wind direction 1º Unsigned MSB
* Light Level 3403 203 CB 1 0 0-5 lux, 1 6-50 lux, 2 51-100 lux, 3 101-500 lux, 4 501-2000 lux, 6 >2000 lux
* Soil Moisture 3388 188 BC 2 0.1 % in 0~100% (m3/m3)
* Soil EC 3392 192 C0 2 0.001, mS/cm
* Soil pH high prec. 3393 193 C1 2 0.01 pH
* Soil pH low prec. 3394 194 C2 2 0.1 pH
* Pyranometer 3395 195 C3 2 1 unsigned MSB (W/m2)
* Precise Humidity 3312 112 70 2 0.1 %RH
*
*/
// lppDecode decodes an array of bytes into an array of ojects,
// each one with the channel, the data type and the value.
function lppDecode(bytes) {
var sensor_types = {
0: { 'size': 1, 'name': 'digital_in', 'signed': false, 'divisor': 1 },
1: { 'size': 1, 'name': 'digital_out', 'signed': false, 'divisor': 1 },
2: { 'size': 2, 'name': 'analog_in', 'signed': true, 'divisor': 100 },
3: { 'size': 2, 'name': 'analog_out', 'signed': true, 'divisor': 100 },
100: { 'size': 4, 'name': 'generic', 'signed': false, 'divisor': 1 },
101: { 'size': 2, 'name': 'illuminance', 'signed': false, 'divisor': 1 },
102: { 'size': 1, 'name': 'presence', 'signed': false, 'divisor': 1 },
103: { 'size': 2, 'name': 'temperature', 'signed': true, 'divisor': 10 },
104: { 'size': 1, 'name': 'humidity', 'signed': false, 'divisor': 2 },
112: { 'size': 2, 'name': 'humidity_prec', 'signed': true, 'divisor': 10 },
113: { 'size': 6, 'name': 'accelerometer', 'signed': true, 'divisor': 1000 },
115: { 'size': 2, 'name': 'barometer', 'signed': false, 'divisor': 10 },
116: { 'size': 2, 'name': 'voltage', 'signed': false, 'divisor': 100 },
117: { 'size': 2, 'name': 'current', 'signed': false, 'divisor': 1000 },
118: { 'size': 4, 'name': 'frequency', 'signed': false, 'divisor': 1 },
120: { 'size': 1, 'name': 'percentage', 'signed': false, 'divisor': 1 },
121: { 'size': 2, 'name': 'altitude', 'signed': true, 'divisor': 1 },
125: { 'size': 2, 'name': 'concentration', 'signed': false, 'divisor': 1 },
128: { 'size': 2, 'name': 'power', 'signed': false, 'divisor': 1 },
130: { 'size': 4, 'name': 'distance', 'signed': false, 'divisor': 1000 },
131: { 'size': 4, 'name': 'energy', 'signed': false, 'divisor': 1000 },
132: { 'size': 2, 'name': 'direction', 'signed': false, 'divisor': 1 },
133: { 'size': 4, 'name': 'time', 'signed': false, 'divisor': 1 },
134: { 'size': 6, 'name': 'gyrometer', 'signed': true, 'divisor': 100 },
135: { 'size': 3, 'name': 'colour', 'signed': false, 'divisor': 1 },
136: { 'size': 9, 'name': 'gps', 'signed': true, 'divisor': [10000, 10000, 100] },
137: { 'size': 11, 'name': 'gps', 'signed': true, 'divisor': [1000000, 1000000, 100] },
138: { 'size': 2, 'name': 'voc', 'signed': false, 'divisor': 1 },
142: { 'size': 1, 'name': 'switch', 'signed': false, 'divisor': 1 },
188: { 'size': 2, 'name': 'soil_moist', 'signed': false, 'divisor': 10 },
190: { 'size': 2, 'name': 'wind_speed', 'signed': false, 'divisor': 100 },
191: { 'size': 2, 'name': 'wind_direction', 'signed': false, 'divisor': 1 },
192: { 'size': 2, 'name': 'soil_ec', 'signed': false, 'divisor': 1000 },
193: { 'size': 2, 'name': 'soil_ph_h', 'signed': false, 'divisor': 100 },
194: { 'size': 2, 'name': 'soil_ph_l', 'signed': false, 'divisor': 10 },
195: { 'size': 2, 'name': 'pyranometer', 'signed': false, 'divisor': 1 },
203: { 'size': 1, 'name': 'light', 'signed': false, 'divisor': 1 },
};
function arrayToDecimal(stream, is_signed, divisor) {
var value = 0;
for (var i = 0; i < stream.length; i++) {
if (stream[i] > 0xFF)
throw 'Byte value overflow!';
value = (value << 8) | stream[i];
}
if (is_signed) {
var edge = 1 << (stream.length) * 8; // 0x1000..
var max = (edge - 1) >> 1; // 0x0FFF.. >> 1
value = (value > max) ? value - edge : value;
}
value /= divisor;
return value;
}
var sensors = [];
var i = 0;
while (i < bytes.length) {
var s_no = bytes[i++];
var s_type = bytes[i++];
if (typeof sensor_types[s_type] == 'undefined') {
throw 'Sensor type error!: ' + s_type;
}
var s_value = 0;
var type = sensor_types[s_type];
switch (s_type) {
case 113: // Accelerometer
case 134: // Gyrometer
s_value = {
'x': arrayToDecimal(bytes.slice(i + 0, i + 2), type.signed, type.divisor),
'y': arrayToDecimal(bytes.slice(i + 2, i + 4), type.signed, type.divisor),
'z': arrayToDecimal(bytes.slice(i + 4, i + 6), type.signed, type.divisor)
};
break;
case 136: // GPS Location
s_value = {
'latitude': arrayToDecimal(bytes.slice(i + 0, i + 3), type.signed, type.divisor[0]),
'longitude': arrayToDecimal(bytes.slice(i + 3, i + 6), type.signed, type.divisor[1]),
'altitude': arrayToDecimal(bytes.slice(i + 6, i + 9), type.signed, type.divisor[2])
};
break;
case 137: // Precise GPS Location
s_value = {
'latitude': arrayToDecimal(bytes.slice(i + 0, i + 4), type.signed, type.divisor[0]),
'longitude': arrayToDecimal(bytes.slice(i + 4, i + 8), type.signed, type.divisor[1]),
'altitude': arrayToDecimal(bytes.slice(i + 8, i + 11), type.signed, type.divisor[2])
};
sensors.push({
'channel': s_no,
'type': s_type,
'name': 'location',
'value': "(" + s_value.latitude + "," + s_value.longitude + ")"
});
sensors.push({
'channel': s_no,
'type': s_type,
'name': 'altitude',
'value': s_value.altitude
});
break;
case 135: // Colour
s_value = {
'r': arrayToDecimal(bytes.slice(i + 0, i + 1), type.signed, type.divisor),
'g': arrayToDecimal(bytes.slice(i + 1, i + 2), type.signed, type.divisor),
'b': arrayToDecimal(bytes.slice(i + 2, i + 3), type.signed, type.divisor)
};
break;
default: // All the rest
s_value = arrayToDecimal(bytes.slice(i, i + type.size), type.signed, type.divisor);
break;
}
sensors.push({
'channel': s_no,
'type': s_type,
'name': type.name,
'value': s_value
});
i += type.size;
}
return sensors;
}
// Convert a hex string to a byte array
function hexToBytes(hex) {
let bytes = [];
for (let c = 0; c < hex.length; c += 2)
bytes.push(parseInt(hex.substr(c, 2), 16));
return bytes;
}
const my_payload = payload.find(x => x.variable === "payload");
if (my_payload) {
var bytes = hexToBytes(my_payload.value);
lppDecode(bytes, 1).forEach(function (field) {
payload.push({ "variable": field['name'] + '_' + field['channel'], "value": field['value'] });
});
// Remove raw payload.
payload = payload.filter(x => !ignore_vars2.includes(x.variable));
}
else {
payload.push({ "variable": 'Error', "value": 'could not get payload' });
}