Summary

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  • LoRa_send_trial.ino
  • Log-Temperature-Sensor-and-send-data-to-Node-red.ino
  • Log-Temperature-Sensor-and-send-data-to-node-red.json
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  • serial USB.json

Details

Page properties

Author

...	...	@@ -1,1 +1,1 @@
1		-XWiki.Kilight
	1	+XWiki.Edwin

Content

...	...	@@ -14,16 +14,16 @@
14	14	= **1. Introduction** =
15	15
16	16
17		-== **1.1 What is LG01v2** ==
	17	+== **1.1 What is LG01-V2** ==
18	18
19	19
20	20	(((
21	21	(((
22		-The LG01v2 is an (% style="color:green" %)**open-source single channel LoRa Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via (% style="color:green" %)**WiFi , Ethernet or Cellular Network**(%%) (via Optional 4G module). The LoRa wireless allows users to send data and reach extremely long ranges at low data rates.
	22	+The LG01-V2 is an (% style="color:green" %)**open-source single channel LoRa Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via (% style="color:green" %)**WiFi , Ethernet or Cellular Network**(%%) (via Optional 4G module). The LoRa wireless allows users to send data and reach extremely long ranges at low data rates.
23	23	)))
24	24
25	25	(((
26		-LG01v2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
	26	+LG01-V2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
27	27	)))
28	28
29	29
...	...	@@ -88,7 +88,7 @@
88	88	== **1.6 Button Intruction** ==
89	89
90	90
91		-LG01v2 has a black toggle button, which is:
	91	+LG01-V2 has a black toggle button, which is:
92	92
93	93
94	94	(% style="color:blue" %)**//➢ //Long press 4-5s  : **(%%)the gateway will reload the Network and Initialize wifi configuration
...	...	@@ -119,7 +119,7 @@
119	119	=== (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
120	120
121	121
122		-Connect the LG01v2 Ethernet port to your router and LG01v2 can obtain an IP address from your router. In the router's management portal, you should be able to find what IP address the router has assigned to the LG01v2.
	122	+Connect the LG01-V2 Ethernet port to your router and LG01-V2 can obtain an IP address from your router. In the router's management portal, you should be able to find what IP address the router has assigned to the LG01-V2.
123	123
124	124	You can also use this IP to connect.
125	125
...	...	@@ -132,25 +132,7 @@
132	132
133	133	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622100542-2.png?width=1256&height=369&rev=1.1||alt="image-20220622100542-2.png"]]
134	134
135		-The LG01v2 has a fall-back IP address on its WAN port. you have to access the gateway Web-UI to configure the WiFi connection via the fallback IP address.
136	136
137		-
138		-(% style="color:#037691" %)**Steps to connect via fallback IP:**
139		-
140		-~1. Connect PC's Ethernet port to LG01-V2's WAN port
141		-
142		-2. Configure PC's Ethernet port has  IP: 172.31.255.253 and Netmask: 255.255.255.252
143		-
144		-
145		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622101433-4.png?rev=1.1||alt="image-20220622101433-4.png"]]
146		-
147		-
148		-and then On the PC, use the IP address **http:~/~/172.31.255.254** to access the LG01-V2 via Web or Console.
149		-
150		-
151		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102210-5.png?width=919&height=504&rev=1.1||alt="image-20220622102210-5.png"]]
152		-
153		-
154	154	Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
155	155
156	156
...	...	@@ -162,7 +162,6 @@
162	162
163	163	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102847-7.png?rev=1.1||alt="image-20220622102847-7.png"]]
164	164
165		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102901-8.png?width=938&height=476&rev=1.1||alt="image-20220622102901-8.png"]]
166	166
167	167
168	168	= **3. Web Configure Pages** =
...	...	@@ -171,7 +171,7 @@
171	171
172	172	//Shows the system running status~://
173	173
174		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102901-8.png?rev=1.1||alt="image-20220622102901-8.png" height="476" width="939"]]
	155	+[[image:image-20221104155612-1.png||height="497" width="942"]]
175	175
176	176
177	177	== **3.2 Network Settings** ==
...	...	@@ -180,7 +180,7 @@
180	180	=== **3.2.1 Network ~-~-> WiFi** ===
181	181
182	182
183		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220616114756-4.png?width=669&height=251&rev=1.1||alt="image-20220616114756-4.png"]]
	164	+[[image:image-20221104155654-2.png||height="319" width="813"]]
184	184
185	185
186	186
...	...	@@ -187,7 +187,7 @@
187	187	=== **3.4.2 Network ~-~-> System Status** ===
188	188
189	189
190		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220820134112-2.png?width=668&height=539&rev=1.1||alt="image-20220820134112-2.png"]]
	171	+[[image:image-20221104155724-3.png||height="679" width="861"]]
191	191
192	192
193	193
...	...	@@ -206,7 +206,7 @@
206	206
207	207	Shows the system info:
208	208
209		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220917144512-5.png?width=853&height=618&rev=1.1||alt="image-20220917144512-5.png"]]
	190	+[[image:image-20221104155907-4.png]]
210	210
211	211
212	212
...	...	@@ -213,18 +213,52 @@
213	213	=== **3.5.2 System ~-~-> Backup/Restore** ===
214	214
215	215
216		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220917144725-6.png?width=869&height=208&rev=1.1||alt="image-20220917144725-6.png"]]
	197	+[[image:image-20221104155928-5.png||height="334" width="880"]]
217	217
218	218
	200	+= (% id="cke_bm_1978S" style="display:none" %)** **(%%)**4. Build in Server** =
219	219
220		-= **4. How to configure the Lora Gateway** =
221	221
	203	+The default factory version of LG01-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red**
222	222
223		-== **4.1 Access the Lora configuration page** ==
224	224
	206	+[[image:image-20221104155949-6.png||height="315" width="1023"]]
225	225
226		-Users can access the LA66 module by running the following command, then select the option **''serial port setup"**:
227	227
	209	+(% style="color:red" %)**Note:**
	210	+
	211	+ **Path**: System ~-~-> Built-in Server
	212	+
	213	+
	214	+**Troubleshooting:**
	215	+
	216	+
	217	+**~ 1. URL does not jump properly**
	218	+
	219	+ For the Node-Red, you can use the local IP address and the port is 1880 to access it.
	220	+
	221	+
	222	+
	223	+== **4.1 Application Server ~-~- Node-Red** ==
	224	+
	225	+
	226	+You can access the gateway's built-in AS server of (% style="color:blue" %)**Node-Red **(%%)via the URL((% style="background-color:yellow" %)__**//http:~/~/<hostname>:1880 or http:~/~/<local-IPV4-address>//**__(%%)) in your browser.
	227	+
	228	+
	229	+Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:1880  or http:~/~/<Local-IPV4-Address>//**__
	230	+
	231	+
	232	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220725172124-3.png?width=843&height=610&rev=1.1||alt="image-20220725172124-3.png"]]
	233	+
	234	+
	235	+= **5. How to configure the Lora Gateway** =
	236	+
	237	+
	238	+== **5.1 Configure and Debug LoRa wireless of LG01v2** ==
	239	+
	240	+
	241	+Users can access the Lora configuration page by running the following command, then select the option **''serial port setup"**:
	242	+
228	228	(% class="box infomessage" %)
229	229	(((
230	230	**root@dragino-2406ef:~~# minicom -s**
...	...	@@ -268,75 +268,155 @@
268	268	)))
269	269
270	270
271		-== **4.2 Example: LG01v2 Peer-to-Peer** ==
	286	+== **5.2 Example: LG01v2** ==
272	272
	288	+=== **5.2.1 Introduce for the example:** ===
273	273
	290	+[[image:image-20221104102736-3.png||height="282" width="723"]]
274	274
275		-[[image:image-20221103143618-5.png||height="274" width="612"]]
276	276
	293	+In this example, there are two devices:
277	277
278		-The user can run the AT command to set the LG01v2 RX window always open as a Receiver, the LA66 Shield uses **AT+SEND=1,hello world,2,3** to simulate sending data,
	295	+* **LA66 Shield + UNO + DHT11**: The UNO will get the temperature and humidity and broadcast the value via LoRa protocol.
	296	+* **LG01v2** : LG01v2 is set to listening the LoRa Channel which LA66 is broadcasting. When LG01v2 get the data from LA66, LG01v2 will plot the data in built-in IoT server.
279	279
280		-**Prerequisites: **The configuration of LG01v2 and  LA66 Shield must match, users can use **AT+CFG** to check all configurations.
	298	+=== 5.2.2 Set Up LA66 Shield + UNO ===
281	281
282	282
283		-(% style="color:red" %)**LG01v2 as Receiver: (configured as AT+RXMOD=65535,2)**
	301	+==== **Set up LA66 Module** ====
284	284
285		-[[image:image-20221102140053-4.png]]
	303	+LA66 Module is loaded with the firmware **[[LA66 Peer-to-Peer firmware>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/Instruction%20for%20LA66%20Peer%20to%20Peer%20firmware/]] **and user can use AT Command to set up LA66 with below parameters:
286	286
	305	+(((
	306	+(% style="color:red" %)**LA66 Shield as Sender: **
287	287
288		-(% style="color:red" %)**LA66 Shield as Sender: (AT+SEND=1,hello world,2,3)**
	308	+(% class="box infomessage" %)
	309	+(((
	310	+**LA66 Shield configuration:**
289	289
290		-[[image:1667456058832-484.png||height="291" width="353"]]
	312	+AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
	313	+AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
	314	+AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
	315	+AT+POWER=14  ~-~--> TX Power Range set: 14dBm
	316	+AT+CRC=1,1  ~-~--> TX and RX CRC Type
	317	+AT+HEADER=0,0  ~-~--> TX and RX Header Type
	318	+AT+CR=1,1  ~-~--> TX and RX Coding Rate
	319	+AT+IQ=0,0  ~-~--> TX and RX InvertIQ
	320	+AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
	321	+AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
	322	+AT+RXMOD=6,0  ~-~-->  Rx Timeout and Reply mode
	323	+)))
	324	+)))
291	291
292	292
293		-Instruction for Peer-to-Peer firmware:[[ **Instruction **>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/Instruction%20for%20LA66%20Peer%20to%20Peer%20firmware/]]
	327	+==== **Set up Arduino UNO** ====
	328	+
	329	+(% id="cke_bm_1033249S" style="display:none" %)** **(%%)**Hardware Connection**
	330	+
	331	+(% class="box infomessage" %)
	332	+(((
	333	+**The DHT11 sensor connects to the LA66 Shield:**
	334	+
	335	+**VCC  <~-~--> 3.3V (Red line)**
	336	+**DATA <~-~--> PIN8 (Purple line)**
	337	+**GND  <~-~--> GND (White line)**
294	294	)))
295	295
	340	+[[image:image-20221108170731-5.png||height="588" width="441"]]
296	296
297		-= **5. Build in Server** =
298	298
	343	+===== **1. Open Arduino IDE** =====
299	299
300		-The default factory version of LG01-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red**
	345	+[[image:image-20221108172149-6.png||height="650" width="542"]]
301	301
302	302
303		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220820115644-1.png?width=778&height=217&rev=1.1||alt="image-20220820115644-1.png"]]
	348	+===== **2. Open project** =====
304	304
	350	+Users can download Arduino files from this link: [[attach:Log-Temperature-Sensor-and-send-data-to-Node-red.ino||target="_blank"]]
305	305
306		-(% style="color:red" %)**Note:**
	352	+Then click Compile and Upload to LA66 Shield,
307	307
308		- **Path**: System ~-~-> Built-in Server
	354	+[[image:image-20221108172432-7.png]]
309	309
310	310
311		-**Troubleshooting:**
	357	+===== **3. Open the Serial Monitor to check the LA66 Shield data** =====
312	312
	359	+The UNO will now reads the temperature and humidity data from the sensor and broadcast it via LoRa wireless,
313	313
314		-**~ 1. URL does not jump properly**
	361	+[[image:image-20221108174840-8.png||height="731" width="671"]]
315	315
316		- For the Node-Red, you can use the local IP address and the port is 1880 to access it.
317	317
	364	+Sending out data as below.
318	318
	366	+[[image:image-20221108175113-9.png||height="556" width="998"]]
319	319
320		-== **5.1 Application Server ~-~- Node-Red** ==
321	321
322	322
323		-You can access the gateway's built-in AS server of (% style="color:blue" %)**Node-Red **(%%)via the URL((% style="background-color:yellow" %)__**//http:~/~/<hostname>:1880 or http:~/~/<local-IPV4-address>//**__(%%)) in your browser.
	370	+=== 5.2.3 Set Up LG01v2 ===
324	324
325	325
326		-Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:1880  or http:~/~/<Local-IPV4-Address>//**__
	373	+Configure LG01v2 LoRa channel parameters so it can get data from LA66 Shield
327	327
	375	+(% style="color:red; font-weight:bold" %)**LG01v**(% style="color:red" %)**2 as Receiver: (configured as AT+RXMOD=65535,2)**
328	328
329		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220725172124-3.png?width=843&height=610&rev=1.1||alt="image-20220725172124-3.png"]]
	377	+(% class="box infomessage" %)
	378	+(((
	379	+**LG01-V2 configuration:**
330	330
	381	+AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
	382	+AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
	383	+AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
	384	+AT+POWER=14  ~-~--> TX Power Range set: 14dBm
	385	+AT+CRC=1,1  ~-~--> TX and RX CRC Type
	386	+AT+HEADER=0,0  ~-~--> TX and RX Header Type
	387	+AT+CR=1,1  ~-~--> TX and RX Coding Rate
	388	+AT+IQ=0,0  ~-~--> TX and RX InvertIQ
	389	+AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
	390	+AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
	391	+AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode, RX window always open
	392	+)))
331	331
332		-= (% style="color:inherit; font-family:inherit; font-size:29px" %)**6. How users can access LG01v2 using serial USB**(%%) =
333	333
	395	+=== 5.2.4 Test result ===
334	334
335		-(% style="color:blue" %)**USB TTL to LG01v2  Connection:**
	397	+After the above configuration is complete, users can send test simulation data to check whether the configuration is correct, In LA66 sheild serial console send:(% style="color:red" %)**(AT+SEND=1,hello world,2,3).**
	398	+)))
336	336
	400	+When LG01v2 replies with ACK when it receives a packet sent by LA66 sheild.
337	337
338		-Port 1 of the UART on the LG01v2 is GND
	402	+[[image:image-20221108164413-2.png]]
339	339
	404	+
	405	+In the real-time log of LG01v2：
	406	+
	407	+[[image:image-20221108170314-3.png]]
	408	+
	409	+
	410	+=== **5.2.5 Plot data chart in LG01v2** ===
	411	+
	412	+
	413	+User can plot the temperature and humidity chat via LG01v2 built-in IoT server.
	414	+
	415	+User can import this example in Node-Red: [[attach:Log-Temperature-Sensor-and-send-data-to-node-red.json||target="_blank"]]
	416	+
	417	+[[image:image-20221108180334-10.png||height="651" width="1141"]]
	418	+
	419	+
	420	+The temperature and humidity chart is displayed in the built-in node-red UI
	421	+
	422	+**Browser input: (% style="background-color:yellow" %)__//http:~/~/<local-IPV4-address>//__(%%)**
	423	+
	424	+[[image:image-20221108180458-11.png||height="402" width="1137"]]
	425	+
	426	+
	427	+= (% style="color:inherit; font-family:inherit; font-size:29px" %)**6. How users can access LG01**(%%)**v(% style="color:inherit; font-family:inherit; font-size:29px" %)2 using serial USB(%%)** =
	428	+
	429	+
	430	+(% style="color:blue" %)**USB TTL to LG01-V2  Connection:**
	431	+
	432	+
	433	+Port 1 of the UART on the LG01-V2 is GND
	434	+
340	340	(% class="box infomessage" %)
341	341	(((
342	342	**TXD  <~-~--> UART RXD (Gray line)**
...	...	@@ -347,7 +347,7 @@
347	347	)))
348	348
349	349
350		-**LG01v2 UART connection photo**
	445	+**LG01-V2 UART connection photo**
351	351
352	352	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220804163015-1.png?width=466&height=621&rev=1.1||alt="image-20220804163015-1.png"]]
353	353
...	...	@@ -364,17 +364,17 @@
364	364	= **7. FAQ** =
365	365
366	366
367		-== **7.1 How does LG01v2 communicate with Lora shield (LoRa.h)** ==
	462	+== **7.1 How does LG01-V2 communicate with Lora shield (LoRa.h)** ==
368	368
369	369
370		-This example describes how to use LG01v2, LoRa Shield to set up a LoRa network
	465	+This example describes how to use LG01-V2, LoRa Shield to set up a LoRa network,
371	371
372		-[[image:image-20221103144405-6.png||height="253" width="712"]]
	467	+[[image:image-20221103152238-8.png||height="251" width="654"]]
373	373
374	374
375		-(% style="color:red" %)**Prerequisites: The configurations of LG01v2 and Lora shield must match**
	470	+(% style="color:red" %)**Prerequisites: The configurations of LG01-V2 and Lora shield must match**
376	376
377		-**LG01v2 configuration:**
	472	+**LG01-V2 configuration:**
378	378
379	379	(% class="box infomessage" %)
380	380	(((
...	...	@@ -399,16 +399,54 @@
399	399	[[image:image-20221101161318-2.png]]
400	400
401	401
402		-**Test LG01v2 to receive Lora Shield data:**
	497	+**Test LG01-V2 to receive Lora Shield data:**
403	403
404	404	[[image:image-20221101161951-3.png]]
405	405
406	406
407		-**Test the LG01v2 to send data:**
	502	+**Test the LG01-V2 to send data:**
408	408
409	409	[[image:image-20221101162527-4.png]]
410	410
411	411
	507	+== **7.2 How does LG01-V2 communicate with Heltec LoRa Node** ==
	508	+
	509	+
	510	+This example describes how to use LG01-V2 and Heltec LoRa Node to set up a LoRa network,
	511	+
	512	+[[image:image-20221112161111-2.png||height="258" width="692"]]
	513	+
	514	+(% style="color:red" %)**Prerequisites: The configurations of LG01-V2 and Lora shield must match**
	515	+
	516	+**LG01-V2 configuration:**
	517	+
	518	+(% class="box infomessage" %)
	519	+(((
	520	+AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
	521	+AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
	522	+AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
	523	+AT+POWER=14  ~-~--> TX Power Range
	524	+AT+CRC=1,1  ~-~--> TX and RX CRC Type
	525	+AT+HEADER=0,0  ~-~--> TX and RX Header Type
	526	+AT+CR=1,1  ~-~--> TX and RX Coding Rate
	527	+AT+IQ=0,0  ~-~--> TX and RX InvertIQ
	528	+AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
	529	+AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public), **the corresponding Lora shield syncword is 0x12
	530	+AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode,RX window always open
	531	+AT+RXDAFORM=1  ~-~--> RX data format**（0: Hex ,1: String）**
	532	+)))
	533	+
	534	+After we upload the sketch to Heltec LoRa Node, we can see below output from Arduino.
	535	+
	536	+Lora Shield example: [[attach:LoRa_send_trial.ino||target="_blank"]]
	537	+
	538	+[[image:image-20221112162733-3.png||height="524" width="927"]]
	539	+
	540	+
	541	+And we can see the logread of gateway as below, means the packet arrive gateway:
	542	+
	543	+[[image:image-20221112163119-4.png||height="808" width="560"]]
	544	+
412	412	= (% style="color:inherit; font-family:inherit; font-size:29px" %)**8. Supports**(%%) =
413	413
414	414

LoRa_send_trial.ino

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Kilight

Size

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	1	+3.4 KB

Content

...	...	@@ -1,0 +1,124 @@
	1	+#include "LoRaWan_APP.h"
	2	+#include "Arduino.h"
	3	+
	4	+
	5	+#define RF_FREQUENCY 868100000 // Hz
	6	+
	7	+#define TX_OUTPUT_POWER 5 // dBm
	8	+
	9	+#define LORA_BANDWIDTH 0 // [0: 125 kHz,
	10	+ // 1: 250 kHz,
	11	+ // 2: 500 kHz,
	12	+ // 3: Reserved]
	13	+#define LORA_SPREADING_FACTOR 12 // [SF7..SF12]
	14	+#define LORA_CODINGRATE 1 // [1: 4/5,
	15	+ // 2: 4/6,
	16	+ // 3: 4/7,
	17	+ // 4: 4/8]
	18	+#define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx
	19	+#define LORA_SYMBOL_TIMEOUT 0 // Symbols
	20	+#define LORA_FIX_LENGTH_PAYLOAD_ON false
	21	+#define LORA_IQ_INVERSION_ON false
	22	+
	23	+
	24	+#define RX_TIMEOUT_VALUE 1000
	25	+#define BUFFER_SIZE 30 // Define the payload size here
	26	+
	27	+float tem,hum;
	28	+char tem_1[8]={"\0"},hum_1[8]={"\0"};
	29	+char *node_id = "<GW01>"; //From LG01 via web Local Channel settings on MQTT.Please refer <> dataformat in here.
	30	+
	31	+char txpacket[BUFFER_SIZE];
	32	+char rxpacket[BUFFER_SIZE];
	33	+
	34	+double txNumber;
	35	+
	36	+bool lora_idle=true;
	37	+
	38	+static RadioEvents_t RadioEvents;
	39	+void OnTxDone( void );
	40	+void OnTxTimeout( void );
	41	+
	42	+void dhtTem()
	43	+{
	44	+ tem = random(15,40);
	45	+ hum = random(40,80);
	46	+ Serial.println(F("The temperature and humidity:"));
	47	+ Serial.print("[");
	48	+ Serial.print(tem);
	49	+ Serial.print("℃");
	50	+ Serial.print(",");
	51	+ Serial.print(hum);
	52	+ Serial.print("%");
	53	+ Serial.print("]");
	54	+ Serial.println("");
	55	+}
	56	+
	57	+void dhtWrite()
	58	+{
	59	+ char data[50] = "\0";
	60	+ for(int i = 0; i < 50; i++)
	61	+ {
	62	+ data[i] = node_id[i];
	63	+ }
	64	+
	65	+ dtostrf(tem,0,1,tem_1);
	66	+ dtostrf(hum,0,1,hum_1);
	67	+
	68	+ strcat(data,"tem_a=");
	69	+ strcat(data,tem_1);
	70	+ strcat(data,"&hum_a=");
	71	+ strcat(data,hum_1);
	72	+ strcpy((char *)txpacket,data);
	73	+
	74	+ Serial.println((char *)txpacket);
	75	+}
	76	+
	77	+void setup() {
	78	+ Serial.begin(115200);
	79	+ Mcu.begin();
	80	+
	81	+ txNumber=0;
	82	+
	83	+ RadioEvents.TxDone = OnTxDone;
	84	+ RadioEvents.TxTimeout = OnTxTimeout;
	85	+
	86	+ Radio.Init( &RadioEvents );
	87	+ Radio.SetChannel( RF_FREQUENCY );
	88	+ Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
	89	+ LORA_SPREADING_FACTOR, LORA_CODINGRATE,
	90	+ LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
	91	+ true, 0, 0, LORA_IQ_INVERSION_ON, 3000 );
	92	+ }
	93	+
	94	+
	95	+
	96	+void loop()
	97	+{
	98	+ if(lora_idle == true)
	99	+ {
	100	+ delay(5000);
	101	+ txNumber += 0.01;
	102	+ Serial.println(txNumber);
	103	+
	104	+ dhtTem();
	105	+ dhtWrite();
	106	+ Radio.Send( (uint8_t *)txpacket, strlen(txpacket) ); //send the package out
	107	+ lora_idle = false;
	108	+ }
	109	+ Radio.IrqProcess( );
	110	+}
	111	+
	112	+void OnTxDone( void )
	113	+{
	114	+ Serial.println("TX done......");
	115	+ lora_idle = true;
	116	+}
	117	+
	118	+void OnTxTimeout( void )
	119	+{
	120	+ Radio.Sleep( );
	121	+ Serial.println("TX Timeout......");
	122	+ lora_idle = true;
	123	+}
	124	+

Log-Temperature-Sensor-and-send-data-to-Node-red.ino

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Kilight

Size

...	...	@@ -1,0 +1,1 @@
	1	+3.6 KB

Content

...	...	@@ -1,0 +1,150 @@
	1	+#include <SoftwareSerial.h>
	2	+#include <Adafruit_Sensor.h>
	3	+#include <DHT.h>
	4	+#include <DHT_U.h>
	5	+/*
	6	+
	7	+*/
	8	+#define DHTPIN 8 // Digital pin connected to the DHT sensor
	9	+#define DHTTYPE DHT11 // DHT 11
	10	+DHT_Unified dht(DHTPIN, DHTTYPE);
	11	+
	12	+String inputString = ""; // a String to hold incoming data
	13	+bool stringComplete = false; // whether the string is complete
	14	+
	15	+long old_time=millis();
	16	+long new_time;
	17	+
	18	+long uplink_interval=30000; //ms
	19	+
	20	+float DHT11_temp;
	21	+float DHT11_hum;
	22	+
	23	+SoftwareSerial ss(10, 11); // Arduino RX, TX ,
	24	+
	25	+char rxbuff[128];
	26	+uint8_t rxbuff_index=0;
	27	+
	28	+void setup() {
	29	+ // initialize serial
	30	+ Serial.begin(9600);
	31	+
	32	+ ss.begin(9600);
	33	+ ss.listen();
	34	+
	35	+ // reserve 200 bytes for the inputString:
	36	+ inputString.reserve(200);
	37	+
	38	+ dht.begin();
	39	+ sensor_t sensor;
	40	+ dht.temperature().getSensor(&sensor);
	41	+ dht.humidity().getSensor(&sensor);
	42	+
	43	+ ss.println("ATZ");//reset LA66
	44	+}
	45	+
	46	+void loop() {
	47	+
	48	+ while ( ss.available()) {
	49	+ // get the new byte:
	50	+ char inChar = (char) ss.read();
	51	+ // add it to the inputString:
	52	+ inputString += inChar;
	53	+
	54	+ rxbuff[rxbuff_index++]=inChar;
	55	+
	56	+ if(rxbuff_index>128)
	57	+ {
	58	+ rxbuff[rxbuff_index]='\0';
	59	+ rxbuff_index=0;
	60	+ break;
	61	+ }
	62	+
	63	+ // if the incoming character is a newline, set a flag so the main loop can
	64	+ // do something about it:
	65	+ if (inChar == '\n' || inChar == '\r') {
	66	+ stringComplete = true;
	67	+ rxbuff[rxbuff_index]='\0';
	68	+ rxbuff_index=0;
	69	+ }
	70	+ }
	71	+
	72	+ while ( Serial.available()) {
	73	+ // get the new byte:
	74	+ char inChar = (char) Serial.read();
	75	+ // add it to the inputString:
	76	+ inputString += inChar;
	77	+ // if the incoming character is a newline, set a flag so the main loop can
	78	+ // do something about it:
	79	+ if (inChar == '\n' || inChar == '\r') {
	80	+ ss.print(inputString);
	81	+ inputString = "\0";
	82	+ }
	83	+ }
	84	+
	85	+ // print the string when a newline arrives:
	86	+ if (stringComplete) {
	87	+ Serial.print(inputString);
	88	+
	89	+ // clear the string:
	90	+ inputString = "\0";
	91	+ stringComplete = false;
	92	+ }
	93	+
	94	+ new_time = millis();
	95	+
	96	+ if(new_time-old_time>=uplink_interval){
	97	+ old_time = new_time;
	98	+
	99	+ Serial.print(F("\r\n"));
	100	+ // Get temperature event and print its value.
	101	+ sensors_event_t event;
	102	+ dht.temperature().getEvent(&event);
	103	+ if (isnan(event.temperature)) {
	104	+ Serial.println(F("Error reading temperature!"));
	105	+ DHT11_temp=327.67;
	106	+ }
	107	+ else {
	108	+ DHT11_temp=event.temperature;
	109	+
	110	+ if(DHT11_temp>60){
	111	+ DHT11_temp=60;
	112	+ }
	113	+ else if(DHT11_temp<-20){
	114	+ DHT11_temp=-20;
	115	+ }
	116	+ }
	117	+ // Get humidity event and print its value.
	118	+ dht.humidity().getEvent(&event);
	119	+ if (isnan(event.relative_humidity)) {
	120	+ DHT11_hum=327.67;
	121	+ Serial.println(F("Error reading humidity!"));
	122	+ }
	123	+ else {
	124	+ DHT11_hum=event.relative_humidity;
	125	+
	126	+ if(DHT11_hum>100){
	127	+ DHT11_hum=100;
	128	+ }
	129	+ else if(DHT11_hum<0){
	130	+ DHT11_hum=0;
	131	+ }
	132	+ }
	133	+
	134	+ Serial.print(F("Temperature: "));
	135	+ Serial.print(DHT11_temp);
	136	+ Serial.println(F("°C"));
	137	+ Serial.print(F("Humidity: "));
	138	+ Serial.print(DHT11_hum);
	139	+ Serial.println(F("%"));
	140	+ Serial.print(F("\r\n"));
	141	+
	142	+ char sensor_data_buff[128]="\0";
	143	+
	144	+ //confirm status,Fport,payload length,payload(HEX)
	145	+ snprintf(sensor_data_buff,128,"AT+SEND=0,%02X%02X%02X%02X,0,0",(short)(DHT11_temp*100)>>8 & 0xFF,(short)(DHT11_temp*100) & 0xFF,(short)(DHT11_hum*10)>>8 & 0xFF,(short)(DHT11_hum*10) & 0xFF);
	146	+ ss.print(sensor_data_buff);
	147	+ ss.print('\r');
	148	+ }
	149	+}
	150	+

Log-Temperature-Sensor-and-send-data-to-node-red.json

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Kilight

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...	...	@@ -1,0 +1,1 @@
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	4	+ "type": "tab",
	5	+ "label": "serial USB",
	6	+ "disabled": false,
	7	+ "info": "",
	8	+ "env": []
	9	+ },
	10	+ {
	11	+ "id": "4ea60ce4df40717c",
	12	+ "type": "serial in",
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	78	+ "y": 320,
	79	+ "wires": [
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	103	+ "y": 380,
	104	+ "wires": [
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	128	+ "y": 440,
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	145	+ "repeat": "",
	146	+ "crontab": "",
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	148	+ "onceDelay": 0.1,
	149	+ "topic": "",
	150	+ "payload": "AT+SF=12,12",
	151	+ "payloadType": "str",
	152	+ "x": 290,
	153	+ "y": 500,
	154	+ "wires": [
	155	+ [
	156	+ "3f8add7e2e1d1d17"
	157	+ ]
	158	+ ]
	159	+ },
	160	+ {
	161	+ "id": "3be3ab296a75d512",
	162	+ "type": "inject",
	163	+ "z": "5f10779accc05655",
	164	+ "name": "AT+RXMOD",
	165	+ "props": [
	166	+ {
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	168	+ }
	169	+ ],
	170	+ "repeat": "",
	171	+ "crontab": "",
	172	+ "once": false,
	173	+ "onceDelay": 0.1,
	174	+ "topic": "",
	175	+ "payload": "AT+RXMOD=65535,2",
	176	+ "payloadType": "str",
	177	+ "x": 270,
	178	+ "y": 560,
	179	+ "wires": [
	180	+ [
	181	+ "3f8add7e2e1d1d17"
	182	+ ]
	183	+ ]
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	185	+ {
	186	+ "id": "7a03d1413c60ea1c",
	187	+ "type": "inject",
	188	+ "z": "5f10779accc05655",
	189	+ "name": "AT+SYNCWORD",
	190	+ "props": [
	191	+ {
	192	+ "p": "payload"
	193	+ }
	194	+ ],
	195	+ "repeat": "",
	196	+ "crontab": "",
	197	+ "once": false,
	198	+ "onceDelay": 0.1,
	199	+ "topic": "",
	200	+ "payload": "AT+SYNCWORD=0",
	201	+ "payloadType": "str",
	202	+ "x": 260,
	203	+ "y": 620,
	204	+ "wires": [
	205	+ [
	206	+ "3f8add7e2e1d1d17"
	207	+ ]
	208	+ ]
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	212	+ "type": "function",
	213	+ "z": "5f10779accc05655",
	214	+ "name": "function 1",
	215	+ "func": "var data = msg.payload\nif (data.substring(0, 4) == \"Data\")\n{\n if (data.substring(6, 12) == \"(HEX:)\")\n {\n var temp = data.substring(13, 15) + data.substring(16, 18)\n var hum = data.substring(19, 21) + data.substring(22, 24)\n var temp1 = parseInt(temp, 16)/100\n var hum1 = parseInt(hum, 16)/10\n var a1 = { payload: temp1 }, a2 = { payload: hum1 }\n }\n}\nif (data.substring(0, 4) == \"Rssi\")\n{\n var rssi = data.substring(6)\n var a3 = { payload: rssi }\n}\nreturn [a1,a2,a3];\n \n\n",
	216	+ "outputs": 3,
	217	+ "noerr": 0,
	218	+ "initialize": "",
	219	+ "finalize": "",
	220	+ "libs": [],
	221	+ "x": 420,
	222	+ "y": 60,
	223	+ "wires": [
	224	+ [
	225	+ "81edb003937f1a92"
	226	+ ],
	227	+ [
	228	+ "c63593404a60d9dc"
	229	+ ],
	230	+ [
	231	+ "61ca71032888887b"
	232	+ ]
	233	+ ]
	234	+ },
	235	+ {
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	237	+ "type": "ui_chart",
	238	+ "z": "5f10779accc05655",
	239	+ "name": "",
	240	+ "group": "ef41b39771110fa5",
	241	+ "order": 1,
	242	+ "width": 0,
	243	+ "height": 0,
	244	+ "label": "RSSI",
	245	+ "chartType": "line",
	246	+ "legend": "false",
	247	+ "xformat": "dd HH:mm",
	248	+ "interpolate": "linear",
	249	+ "nodata": "",
	250	+ "dot": true,
	251	+ "ymin": "",
	252	+ "ymax": "",
	253	+ "removeOlder": 1,
	254	+ "removeOlderPoints": "",
	255	+ "removeOlderUnit": "3600",
	256	+ "cutout": 0,
	257	+ "useOneColor": false,
	258	+ "useUTC": false,
	259	+ "colors": [
	260	+ "#1f77b4",
	261	+ "#aec7e8",
	262	+ "#ff7f0e",
	263	+ "#2ca02c",
	264	+ "#98df8a",
	265	+ "#d62728",
	266	+ "#ff9896",
	267	+ "#9467bd",
	268	+ "#c5b0d5"
	269	+ ],
	270	+ "outputs": 1,
	271	+ "useDifferentColor": false,
	272	+ "className": "",
	273	+ "x": 670,
	274	+ "y": 180,
	275	+ "wires": [
	276	+ []
	277	+ ]
	278	+ },
	279	+ {
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	282	+ "z": "5f10779accc05655",
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	284	+ "group": "7e1d1c102cf74e6b",
	285	+ "order": 1,
	286	+ "width": 0,
	287	+ "height": 0,
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