Last modified by Xiaoling on 2023/04/20 18:14
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... ... @@ -77,7 +77,6 @@ 77 77 * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5 78 78 * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00 79 79 80 - 81 81 (% class="box" %) 82 82 ((( 83 83 (% 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: ... ... @@ -194,15 +194,11 @@ 194 194 * **Frequency:** Transmit Frequency: example: 923300000 195 195 * **rxwindow:** transmit on Rx1Window or Rx2Window. 196 196 197 - 198 - 199 199 (% style="color:blue" %)**Completely exmaple:** 200 200 201 201 * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test 202 202 * **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test 203 203 204 - 205 - 206 206 (% style="color:#037691" %)**Downstream Frequency** 207 207 208 208 The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below: ... ... @@ -216,8 +216,6 @@ 216 216 * IN865: 866.55Mhz, SF10 BW125 217 217 * RU864: 869.1Mhz, SF12 BW125 218 218 219 - 220 - 221 221 (% style="color:#037691" %)**Examples:** 222 222 223 223 (% class="box" %) ... ... @@ -224,19 +224,25 @@ 224 224 ((( 225 225 we can use echo command to create files in LG308 for downstream. 226 226 root@dragino-1d25dc:~~# echo 2602111D,time,hex,12345678 > /var/iot/push/test 220 +))) 227 227 228 - 222 +(% class="box" %) 223 +((( 229 229 **1)** From logread -f of gateway, we can see it has been added as pedning. 230 230 lora_pkt_fwd[4286]: INFO~~ [DNLK]Looking file : test 231 231 lora_pkt_fwd[4286]: INFO~~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90 232 232 lora_pkt_fwd[4286]: INFO~~ [DNLK] DNLINK PENDING!(1 elems). 228 +))) 233 233 234 - 230 +(% class="box" %) 231 +((( 235 235 **2)** When there is an upstrea from end node, this downstream will be sent and shows: 236 236 lora_pkt_fwd[4286]: INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000, notch_delay=0.000000) 237 237 lora_pkt_fwd[4286]: [LGWSEND]lgw_send done: count_us=3537314420, freq=923300000, size=17 235 +))) 238 238 239 - 237 +(% class="box" %) 238 +((( 240 240 **3)** and the end node will got: 241 241 [5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~** 242 242 [5764827]TX on freq 905300000 Hz at DR 0 ... ... @@ -249,8 +249,10 @@ 249 249 Rssi= -41 250 250 Receive data 251 251 (% style="color:#037691" %)**2:12345678** (%%) ~-~-> Hex 251 +))) 252 252 253 - 253 +(% class="box" %) 254 +((( 254 254 **4) **If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got: 255 255 [5955877]~*~*~*~** UpLinkCounter= 102 ~*~*~*~** 256 256 [5955879]TX on freq 904100000 Hz at DR 0 ... ... @@ -309,7 +309,6 @@ 309 309 # whether the Device 2 has been changed.// 310 310 ))) 311 311 312 - 313 313 **~1. Input keys** 314 314 315 315 [[image:image-20220527162450-3.png]] ... ... @@ -319,7 +319,6 @@ 319 319 320 320 **2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.** 321 321 322 - 323 323 **3. Choose Built-in server** 324 324 325 325 [[image:image-20220527162518-4.png]] ... ... @@ -329,7 +329,7 @@ 329 329 330 330 **4. Run the script.** 331 331 332 -[[image:image-20220 722115213-2.png]]331 +[[image:image-20220527162552-5.png]] 333 333 334 334 Run the script 335 335 ... ... @@ -336,7 +336,7 @@ 336 336 337 337 **5. Output:** 338 338 339 -[[image:image-2022072 2115133-1.png]]338 +[[image:image-20220527162619-6.png]] 340 340 341 341 Output from LPS8 342 342
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