Last modified by Xiaoling on 2023/04/20 18:14
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... ... @@ -22,7 +22,6 @@ 22 22 23 23 24 24 25 - 26 26 = 2. How it works = 27 27 28 28 ... ... @@ -79,6 +79,8 @@ 79 79 * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5 80 80 * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00 81 81 81 + 82 + 82 82 (% class="box" %) 83 83 ((( 84 84 (% style="color:red" %)**Notice 1**(%%): The data file stored in LG308 for the end node is bin file. If the end node sends ASCII string to gateway, the output will as below: ... ... @@ -138,19 +138,23 @@ 138 138 === 2.2.2 How to Decode My End Node === 139 139 140 140 141 -1 /Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI142 +**1.** Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI 142 142 143 -2 /Don't choose MQTT service, use LoRaWAN.144 +**2. **Don't choose MQTT service, use LoRaWAN. 144 144 145 -3 /When your end node send a message to the gateway, there will be a file store in /var/iot/channels. full path should be /var/iot/channels/END_NODE_DEV_ADDR146 +**3.** When your end node send a message to the gateway, there will be a file store in /var/iot/channels. full path should be /var/iot/channels/END_NODE_DEV_ADDR 146 146 147 -4 /Use the /etc/lora/decoder/Dragino_LHT65 as template to decode your payload. This script is written in Lua language. User can manually call this script when you see the data file in /var/iot/channels by running:148 +**4.** Use the /etc/lora/decoder/Dragino_LHT65 as template to decode your payload. This script is written in Lua language. User can manually call this script when you see the data file in /var/iot/channels by running: 148 148 149 149 {{{/etc/lora/decoder/Dragino_LHT65 END_NODE_DEV_ADDR 150 150 }}} 151 151 152 -5 /What you see as output is the MQTT data device will upload, user's end node has different payload compare with LHT65, most properly this file will report with error. User need to modify to match the actual payload.Some notice:153 +**5.** What you see as output is the MQTT data device will upload, user's end node has different payload compare with LHT65, most properly this file will report with error. User need to modify to match the actual payload. 153 153 155 + 156 +(% style="color:red" %) 157 +**Some notice:** 158 + 154 154 * RSSI and SNR are added when gateway receive the packet, so there is always this field. 155 155 * If you rename the file, please make it executable. 156 156 * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]] ... ... @@ -160,6 +160,7 @@ 160 160 161 161 162 162 168 + 163 163 == 2.2 Downstream == 164 164 165 165 ... ... @@ -193,6 +193,7 @@ 193 193 194 194 195 195 202 + 196 196 (% style="color:blue" %)**Completely exmaple:** 197 197 198 198 * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test ... ... @@ -199,6 +199,8 @@ 199 199 * **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test 200 200 201 201 209 + 210 + 202 202 (% style="color:#037691" %)**Downstream Frequency** 203 203 204 204 The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below: ... ... @@ -213,6 +213,8 @@ 213 213 * RU864: 869.1Mhz, SF12 BW125 214 214 215 215 225 + 226 + 216 216 (% style="color:#037691" %)**Examples:** 217 217 218 218 (% class="box" %) ... ... @@ -219,25 +219,19 @@ 219 219 ((( 220 220 we can use echo command to create files in LG308 for downstream. 221 221 root@dragino-1d25dc:~~# echo 2602111D,time,hex,12345678 > /var/iot/push/test 222 -))) 223 223 224 -(% class="box" %) 225 -((( 234 + 226 226 **1)** From logread -f of gateway, we can see it has been added as pedning. 227 227 lora_pkt_fwd[4286]: INFO~~ [DNLK]Looking file : test 228 228 lora_pkt_fwd[4286]: INFO~~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90 229 229 lora_pkt_fwd[4286]: INFO~~ [DNLK] DNLINK PENDING!(1 elems). 230 -))) 231 231 232 -(% class="box" %) 233 -((( 240 + 234 234 **2)** When there is an upstrea from end node, this downstream will be sent and shows: 235 235 lora_pkt_fwd[4286]: INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000, notch_delay=0.000000) 236 236 lora_pkt_fwd[4286]: [LGWSEND]lgw_send done: count_us=3537314420, freq=923300000, size=17 237 -))) 238 238 239 -(% class="box" %) 240 -((( 245 + 241 241 **3)** and the end node will got: 242 242 [5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~** 243 243 [5764827]TX on freq 905300000 Hz at DR 0 ... ... @@ -250,10 +250,8 @@ 250 250 Rssi= -41 251 251 Receive data 252 252 (% style="color:#037691" %)**2:12345678** (%%) ~-~-> Hex 253 -))) 254 254 255 -(% class="box" %) 256 -((( 259 + 257 257 **4) **If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got: 258 258 [5955877]~*~*~*~** UpLinkCounter= 102 ~*~*~*~** 259 259 [5955879]TX on freq 904100000 Hz at DR 0 ... ... @@ -312,6 +312,7 @@ 312 312 # whether the Device 2 has been changed.// 313 313 ))) 314 314 318 + 315 315 **~1. Input keys** 316 316 317 317 [[image:image-20220527162450-3.png]] ... ... @@ -321,6 +321,7 @@ 321 321 322 322 **2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.** 323 323 328 + 324 324 **3. Choose Built-in server** 325 325 326 326 [[image:image-20220527162518-4.png]]
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