Changes for page Notes for Helium

Last modified by Edwin Chen on 2024/03/25 08:22
<
From version < 1.17 >
edited by Xiaoling
on 2022/05/16 16:26
To version < 1.13 >
edited by Xiaoling
on 2022/05/16 15:33
>
Change comment: There is no comment for this version

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Content
... ... @@ -232,34 +232,32 @@
232 232  \\Preview mode: use ~-~-commit to submit the transaction to the network
233 233  [root@]# helium-wallet hotspots assert ~-~-gateway 146XjfUJXAkthGzBGnifwxWV4tVKyayN76JGZ21TE5jcoUNubJm ~-~-lat=22.706922 ~-~-lon=114.242538 ~-~-mode dataonly ~-~-commit
234 234  Password: [hidden]
235 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
236 -~| Key  | Value  |
237 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
238 -~| Address  | 146XjfUJXAkthGzBGnifwxWV4tVKyayN76JGZ21TE5jcoUNubJm  |
239 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
240 -~| Location  | 8c411c02148d7ff  |
241 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
242 -~| Payer  | 13oLxfjxcYajvfkxxxxxxxxxxxxxxxxxxxxxfY3yp4cz8r1NNux  |
243 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
244 -~| Nonce  | 1  |
245 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
246 -~| Fee (DC)  | 55000  |
247 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
248 -~| Staking Fee (DC) | 500000  |
249 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
250 -~| Gain (dBi)  | 1.2  |
251 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
252 -~| Elevation  | 0  |
253 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
254 -~| Hash  | P1P8olxrzPJ1f3HWiLxcSincdF5fDLLCt2HbpYBhWwk  |
255 -+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+
235 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
236 +~| Key              | Value                                               |
237 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
238 +~| Address          | 146XjfUJXAkthGzBGnifwxWV4tVKyayN76JGZ21TE5jcoUNubJm |
239 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
240 +~| Location         | 8c411c02148d7ff                                     |
241 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
242 +~| Payer            | 13oLxfjxcYajvfkxxxxxxxxxxxxxxxxxxxxxfY3yp4cz8r1NNux |
243 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
244 +~| Nonce            | 1                                                   |
245 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
246 +~| Fee (DC)         | 55000                                               |
247 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
248 +~| Staking Fee (DC) | 500000                                              |
249 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
250 +~| Gain (dBi)       | 1.2                                                 |
251 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
252 +~| Elevation        | 0                                                   |
253 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
254 +~| Hash             | P1P8olxrzPJ1f3HWiLxcSincdF5fDLLCt2HbpYBhWwk         |
255 ++~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-+~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--+
256 256  )))
257 257  
258 258  Note: The add hotspot and assert location step might need some time to be effect.
259 259  
260 -(((
261 261  After above steps finish, the mobile helium wallet should be able to show that this hotspot has been added to the helium blockchain.
262 -)))
263 263  
264 264  == 2.8 Debug Connection ==
265 265  
... ... @@ -267,31 +267,27 @@
267 267  
268 268  This command can check if the LoRa Radio part runs correctly and if the gateway receives LoRa packets from LoRaWAN sensors.
269 269  
270 -(((
271 271  Below logs shows the gateway receive two LoRaWAN packets.
272 -)))
273 273  
274 -(% class="box" %)
275 -(((
276 -root@123123:~~# logread -f
277 -Sun Nov 14 14:28:10 2021 daemon.info lora_pkt_fwd[3145]: INFO~~ [down] PULL_ACK received in 244 ms
270 +{{{root@123123:~# logread -f
271 +Sun Nov 14 14:28:10 2021 daemon.info lora_pkt_fwd[3145]: INFO~ [down] PULL_ACK received in 244 ms
278 278  Sun Nov 14 14:28:11 2021 user.notice iot_keep_alive: Internet Access OK: via eth1
279 279  Sun Nov 14 14:28:11 2021 user.notice iot_keep_alive: use WAN or WiFi for internet access now
280 -Sun Nov 14 14:28:14 2021 daemon.info lora_pkt_fwd[3145]: PKT_FWD~~ DATA_UNCONF_UP-> {**"DevAddr": "1202EE72", "FCtrl": ["ADR": 1, "ADRACKReq": 0, "ACK": 0, "RFU" : "RFU", "FOptsLen": 0], "FCnt": 16390, "FPort": 2, "MIC": "3D55454B"**}
281 -Sun Nov 14 14:28:14 2021 daemon.info lora_pkt_fwd[3145]: RXTX~~ {**"rxpk":[{"tmst":312204124,"time":"2021-11-14T14:28:14.688556Z","chan":0,"rfch":1,"freq":868.100000,"stat":1,"modu":"LORA","datr":"SF12BW125","codr":"4/5","lsnr":-11.2,"rssi":-137,"size":24,"data":"QHLuAhKABkACJg8A5dKDACUrBVNLRVU9"**}]}
282 -Sun Nov 14 14:28:16 2021 daemon.info lora_pkt_fwd[3145]: PKT_FWD~~ DATA_UNCONF_UP-> {**"DevAddr": "260BDA6A", "FCtrl": ["ADR": 1, "ADRACKReq": 0, "ACK": 0, "RFU" : "RFU", "FOptsLen": 0], "FCnt": 1382, "FPort": 2, "MIC": "1CA5DAB7"**}
283 -Sun Nov 14 14:28:16 2021 daemon.info lora_pkt_fwd[3145]: RXTX~~ {**"rxpk":[{"tmst":313985732,"time":"2021-11-14T14:28:16.446560Z","chan":7,"rfch":0,"freq":867.900000,"stat":1,"modu":"LORA","datr":"SF7BW125","codr":"4/5","lsnr":10.2,"rssi":-93,"size":42,"data":"QGraCyaAZgUCHMiipojXTdASx9QZcIVAQApHArEe+iGqt9pMSJ232qUc"**}]}
274 +Sun Nov 14 14:28:14 2021 daemon.info lora_pkt_fwd[3145]: PKT_FWD~ DATA_UNCONF_UP-> {"DevAddr": "1202EE72", "FCtrl": ["ADR": 1, "ADRACKReq": 0, "ACK": 0, "RFU" : "RFU", "FOptsLen": 0], "FCnt": 16390, "FPort": 2, "MIC": "3D55454B"}
275 +Sun Nov 14 14:28:14 2021 daemon.info lora_pkt_fwd[3145]: RXTX~ {"rxpk":[{"tmst":312204124,"time":"2021-11-14T14:28:14.688556Z","chan":0,"rfch":1,"freq":868.100000,"stat":1,"modu":"LORA","datr":"SF12BW125","codr":"4/5","lsnr":-11.2,"rssi":-137,"size":24,"data":"QHLuAhKABkACJg8A5dKDACUrBVNLRVU9"}]}
276 +Sun Nov 14 14:28:16 2021 daemon.info lora_pkt_fwd[3145]: PKT_FWD~ DATA_UNCONF_UP-> {"DevAddr": "260BDA6A", "FCtrl": ["ADR": 1, "ADRACKReq": 0, "ACK": 0, "RFU" : "RFU", "FOptsLen": 0], "FCnt": 1382, "FPort": 2, "MIC": "1CA5DAB7"}
277 +Sun Nov 14 14:28:16 2021 daemon.info lora_pkt_fwd[3145]: RXTX~ {"rxpk":[{"tmst":313985732,"time":"2021-11-14T14:28:16.446560Z","chan":7,"rfch":0,"freq":867.900000,"stat":1,"modu":"LORA","datr":"SF7BW125","codr":"4/5","lsnr":10.2,"rssi":-93,"size":42,"data":"QGraCyaAZgUCHMiipojXTdASx9QZcIVAQApHArEe+iGqt9pMSJ232qUc"}]}
284 284  Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]:
285 -Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~~ ~#~#~#~#~#~#~#~#~#~#~#~#~#~#~#~#~#~# Report at: 2021-11-14 14:28:19 UTC ~#~#~#~#~#~#~#~#~#~#~#~#~#~#~#~#~#~#
286 -Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~~ ~#~## [UPSTREAM] ~#~##
287 -Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~~ # RF packets received by concentrator: 6
288 -Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~~ # CRC_OK: 100.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
289 -Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~~ # RF packets forwarded: 6 (161 bytes)
290 -Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~~ # PUSH_DATA datagrams sent: 6 (1493 bytes)
291 -Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~~ # PUSH_DATA acknowledged: 0.00%
292 -Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~~ ~#~## [DOWNSTREAM] ~#~##
293 -)))
279 +Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~ ################## Report at: 2021-11-14 14:28:19 UTC ##################
280 +Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~ ### [UPSTREAM] ###
281 +Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~ # RF packets received by concentrator: 6
282 +Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~ # CRC_OK: 100.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
283 +Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~ # RF packets forwarded: 6 (161 bytes)
284 +Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~ # PUSH_DATA datagrams sent: 6 (1493 bytes)
285 +Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~ # PUSH_DATA acknowledged: 0.00%
286 +Sun Nov 14 14:28:19 2021 daemon.info lora_pkt_fwd[3145]: REPORT~ ### [DOWNSTREAM] ###}}}
294 294  
288 +
295 295  === 2.8.2 Check gateway-rs Log ===
296 296  
297 297  SSH to gateway and run **logread | grep helium_gateway** to check Gateway-rs running log.
... ... @@ -300,26 +300,12 @@
300 300  
301 301  Helium-gatewayrs log
302 302  
303 -**Note**: logread is dynamic and FIFO, so helium log might be overwritten by other processes info in system.
297 +Note: logread is dynamic and FIFO, so helium log might be overwritten by other processes info in system.
304 304  
305 305  === 2.8.3 View the public key address and animal name ===
306 306  
307 -(% class="box" %)
308 -(((
309 -(((
310 -(((
311 -{{{root@123123:~# helium_gateway key info }}}
312 -{
313 -)))
314 -)))
301 +{{{root@123123:~# helium_gateway key info { "address": "13KmbKLdpDfECx19kB2nX4suSzz3GskA4JVqKHAKiJ89kuyJx8T", "name": "great-mint-lizard" }}}}
315 315  
316 -(((
317 -(% style="color:red" %){{{"address": "13KmbKLdpDfECx19kB2nX4suSzz3GskA4JVqKHAKiJ89kuyJx8T",}}}
318 -{{{"name": "great-mint-lizard"}}}(%%)
319 -(% style="color:black" %)}
320 -)))
321 -)))
322 -
323 323  [[image:https://wiki.dragino.com/images/thumb/c/ce/Hostpot_key_and_animal_name.png/600px-Hostpot_key_and_animal_name.png||height="323" width="600"]]
324 324  
325 325  Hostpot key and animal name
... ... @@ -326,9 +326,7 @@
326 326  
327 327  === 2.8.4 Backup/Restor gateway-rs key ===
328 328  
329 -(((
330 330  For the date-only hotspots, the key is the only unique identifier, the users can backup the key by the button of Download. And once the uses upgrade the gateway or the gateway lose the key, the gateway-rs will generate a new key for which the data-only hotspot is the new unit. so if the user would restore to last time which can upload your backup key to the gateway by the button of upload.
331 -)))
332 332  
333 333  [[image:https://wiki.dragino.com/images/thumb/e/ef/Backup_and_restore_key.png/600px-Backup_and_restore_key.png||height="343" width="600"]]
334 334  
... ... @@ -384,9 +384,7 @@
384 384  
385 385  === 3.1.3 Step 3:Activate the end-node ===
386 386  
387 -(((
388 388  Users can activate the end-node with OTAA in which the end-node will Join the network from the Helium server **Eventually you will see traffic**
389 -)))
390 390  
391 391  [[image:https://wiki.dragino.com/images/thumb/4/45/End-node_traffic.png/600px-End-node_traffic.png||height="239" width="600"]]
392 392  
... ... @@ -416,29 +416,22 @@
416 416  
417 417  Add decoder complete.
418 418  
395 +
419 419  == 3.3 How to send a downlink to end device from Helium ==
420 420  
421 -(((
422 422  The Helium server needs to convert to Base64 format when sending the downlink command. Please refer to the following example:
423 -)))
424 424  
425 -(((
426 426  The Downlink command comes from this link：[[https:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:https://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
427 -)))
428 428  
429 -(((
430 430  Change Uplink Interval:Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
431 -)))
432 432  
433 -(% class="box" %)
434 -(((
435 435  01 00 00 3C ~-~-> AQAAPA==
436 -)))
437 437  
438 438  [[image:https://wiki.dragino.com/images/thumb/c/c5/Helium_downlink.png/600px-Helium_downlink.png||height="360" width="600"]]
439 439  
440 440  Downlink
441 441  
410 +
442 442  == 3.4 How to add integration to different IoT Servers ==
443 443  
444 444  === 3.4.1 TagoIO ===
... ... @@ -509,72 +509,39 @@
509 509  
510 510  === 3.5.1 Trouble to Join Helium ===
511 511  
512 -(((
513 513  Assume the device is powered correctly. If you don't see data in Helium. The possibilities are:
514 -)))
515 515  
516 -(((
517 517  1) You are out of Helium Gateway coverage. (If you have other end nodes, you can check whether they work and what is the signal strength you see in the platform)
518 -)))
519 519  
520 -(((
521 521  2) Your end node frequency band doesn't match the Helium gateway frequency band. (Please double-check if frequency band matches)
522 -)))
523 523  
524 -(((
525 525  3) You have input the wrong keys into Helium Platform ( You can send us the screenshots for the keys and Dragino support team can check for you)
526 -)))
527 527  
489 +
528 528  === 3.5.2 Packet Loss for AU915 / US915 Band ===
529 529  
530 -(((
531 531  The node working on the AU915/US915 frequency has packet loss or the frequency channel and the gateway channel are different.
532 -)))
533 533  
534 -(((
535 535  The reason for this problem is that the node does not lock the channel after joining the network.
536 -)))
537 537  
538 -(((
539 539  Solution:
540 -)))
541 541  
542 -(((
543 543  (1)If the user does not have a device to upgrade the firmware, you can use the AT+CHE command or the downlink command to set the channel. It is best to turn off the adaptive rate (ADR).Reset the device after setting the channel.
544 -)))
545 545  
546 -* (((
547 -AT Command: AT+CHE
548 -)))
500 +* AT Command: AT+CHE
549 549  
550 -* (((
551 -Example:AT+CHE=1 ~/~/set channel mode to 1
552 -)))
502 +* Example:AT+CHE=1 ~/~/set channel mode to 1
553 553  
554 -* (((
555 -Downlink Command: 0x24
556 -)))
504 +* Downlink Command: 0x24
557 557  
558 -(((
559 559  Format: Command Code (0x24) followed by 1 bytes channel value.
560 -)))
561 561  
562 -(((
563 563  If the downlink payload=2401, it means set channel mode to 1, while type code is 24.
564 -)))
565 565  
566 -* (((
567 -Example 1: Downlink Payload: 2401 ~/~/ set channel mode to 1
568 -)))
510 +* Example 1: Downlink Payload: 2401 ~/~/ set channel mode to 1
569 569  
570 -* (((
571 -Example 2: Downlink Payload: 2405 ~/~/ set channel mode to 5
572 -)))
512 +* Example 2: Downlink Payload: 2405 ~/~/ set channel mode to 5
573 573  
574 -(((
575 575  (2)If the user has a device to upgrade the firmware, it is better to upgrade the device to the latest version. The latest version has fixed the problem that the AU915/US915 frequency does not lock the channel.
576 -)))
577 577  
578 -(((
579 579  The latest firmware for end node will have this bug fixed.
580 -)))

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