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Last modified by Kilight Cao on 2024/10/12 08:58
From version 83.1
edited by Kilight Cao
on 2022/11/08 17:33
Change comment: There is no comment for this version
To version 19.1
edited by Kilight Cao
on 2022/10/31 09:12
Change comment: There is no comment for this version

Summary

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... ... @@ -14,16 +14,16 @@
14 14  = **1. Introduction** =
15 15  
16 16  
17 -== **1.1 What is LG01-V2** ==
17 +== **1.1 What is LG01v2** ==
18 18  
19 19  
20 20  (((
21 21  (((
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.
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.
23 23  )))
24 24  
25 25  (((
26 -LG01-V2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
26 +LG01v2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
27 27  )))
28 28  
29 29  
... ... @@ -102,12 +102,12 @@
102 102  
103 103  
104 104  
105 -= **2. Quick Start** =
105 += ** 2. Quick Start** =
106 106  
107 107  
108 -The LG01-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
108 +The LPS8-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
109 109  
110 -In most cases, the first thing you need to do is make the LG01-v2 accessible to the network.
110 +In most cases, the first thing you need to do is make the lps8-v2 accessible to the network.
111 111  
112 112  
113 113  == **2.1 Connects to the network and accesses the gateway Web UI** ==
... ... @@ -119,127 +119,51 @@
119 119  === (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
120 120  
121 121  
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.
122 +Connect the LPS8-V2 Ethernet port to your router and LPS8 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 LPS8-V2.
123 123  
124 124  You can also use this IP to connect.
125 125  
126 -
127 127  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622100129-1.png?width=1263&height=332&rev=1.1||alt="image-20220622100129-1.png"]]
128 128  
128 +=== **Method 2**:  Connect via WiFi with DHCP IP from the router ===
129 129  
130 -=== (% style="color:blue" %)**Method 2**(%%):  Connect via WiFi with DHCP IP from the router ===
130 +[[image:image-20220622100542-2.png||height="369" width="1256"]]
131 131  
132 +The LPS8-V2 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.
132 132  
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 +**Steps to connect via fallback IP:**
134 134  
136 +~1. Connect PC's Ethernet port to LPS8-V2's WAN port
135 135  
136 -Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
138 +2. Configure PC's Ethernet port has  IP: 172.31.255.253 and Netmask: 255.255.255.252
137 137  
140 +[[image:image-20220622101433-4.png]]
138 138  
139 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102702-6.png?rev=1.1||alt="image-20220622102702-6.png"]]
142 +and then On the PC, use the IP address **http:~/~/172.31.255.254** to access the LPS8-V2 via Web or Console.
140 140  
144 +[[image:image-20220622102210-5.png||height="504" width="919"]]
141 141  
142 -**Wi-Fi configuration successful**
146 +Fill in the WiFi information by checking the box and clicking **Save&Apply**
143 143  
148 +[[image:image-20220622102702-6.png]]
144 144  
145 -[[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"]]
150 +**Wi-Fi configuration successful**
146 146  
152 +[[image:image-20220622102847-7.png]]
147 147  
154 +[[image:image-20220622102901-8.png||height="476" width="938"]]
148 148  
149 -= **3. Web Configure Pages** =
150 150  
151 -== **3.1 Home** ==
152 152  
153 -//Shows the system running status~://
154 154  
155 -[[image:image-20221104155612-1.png||height="497" width="942"]]
159 += **3. How to configure the LA66 module** =
156 156  
157 157  
158 -== **3.2 Network Settings** ==
162 +== **3.1 Access the LA66 module** ==
159 159  
160 160  
161 -=== **3.2.1 Network ~-~-> WiFi** ===
165 +Users can access the LA66 module by running the following command, then select the option **''serial port setup"**:
162 162  
163 -
164 -[[image:image-20221104155654-2.png||height="319" width="813"]]
165 -
166 -
167 -
168 -=== **3.4.2 Network ~-~-> System Status** ===
169 -
170 -
171 -[[image:image-20221104155724-3.png||height="679" width="861"]]
172 -
173 -
174 -
175 -=== **3.4.3 Network ~-~-> Firewall** ===
176 -
177 -
178 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220616115351-6.png?width=661&height=244&rev=1.1||alt="image-20220616115351-6.png"]]
179 -
180 -
181 -
182 -== **3.5 System** ==
183 -
184 -
185 -=== **3.5.1  System ~-~-> System Overview** ===
186 -
187 -
188 -Shows the system info:
189 -
190 -[[image:image-20221104155907-4.png]]
191 -
192 -
193 -
194 -=== **3.5.2 System ~-~-> Backup/Restore** ===
195 -
196 -
197 -[[image:image-20221104155928-5.png||height="334" width="880"]]
198 -
199 -
200 -= (% id="cke_bm_1978S" style="display:none" %)** **(%%)**4. Build in Server** =
201 -
202 -
203 -The default factory version of LG01-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red**
204 -
205 -
206 -[[image:image-20221104155949-6.png||height="315" width="1023"]]
207 -
208 -
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 Access the Lora configuration page** ==
239 -
240 -
241 -Users can access the Lora configuration page by running the following command, then select the option **''serial port setup"**:
242 -
243 243  (% class="box infomessage" %)
244 244  (((
245 245  **root@dragino-2406ef:~~# minicom -s**
... ... @@ -264,208 +264,38 @@
264 264  
265 265  Enter **AT+CFG **in the interface to get the configuration,
266 266  
191 +[[image:image-20221029172156-1.png||height="315" width="358"]]
267 267  
268 -(% class="box infomessage" %)
269 -(((
270 -AT+FRE=868.100,868.100  ~-~--> TX and RX frequency
271 -AT+GROUPMOD=0,0  ~-~--> TX and RX group
272 -AT+BW=0,0  ~-~--> TX and RX Bandwidth
273 -AT+SF=12,12  ~-~--> TX and RX Spreading Factor
274 -AT+POWER=14  ~-~--> TX Power Range
275 -AT+CRC=1,1  ~-~--> TX and RX CRC Type
276 -AT+HEADER=0,0  ~-~--> TX and RX Header Type
277 -AT+CR=1,1  ~-~--> TX and RX Coding Rate
278 -AT+IQ=0,0  ~-~--> TX and RX InvertIQ
279 -AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length
280 -AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
281 -AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode
282 -AT+RXDAFORM=1                              
283 -)))
284 284  
194 +LG01v2 Peer to Peer example:
285 285  
286 -== **5.2 Example: LG01**-**V2 Peer-to-Peer** ==
196 +(% style="color:red" %)**LG01v2 as Receiver: (configured as AT+RXMOD=65535,2)**
287 287  
288 288  
289 -[[image:image-20221104102736-3.png||height="282" width="723"]]
290 -
291 -
292 -The user can run the AT command to set the LG01-V2 RX window always open as a Receiver, The LG01-V2 can display the received data in the built-in server Node-Red, Here are the specific steps:
293 -
294 -(% style="color:red" %)**Prerequisites: **(%%)The configuration of LG01-V2 and  LA66 Shield must match and the LA66 Shield firmware is **[[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/]]**, users can use **AT+CFG** to check all configurations.
295 -
296 -
297 -=== **Log Temperature Sensor(DHT11) and send data to LG01v2, show it in Node-RED.** ===
298 -
299 -
300 -(% style="color:red; font-weight:bold" %)**LG01-V**(% style="color:red" %)**2 as Receiver: (configured as AT+RXMOD=65535,2)**
301 -
302 -(% class="box infomessage" %)
303 -(((
304 -**LG01-V2 configuration:**
305 -
306 -AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
307 -AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
308 -AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
309 -AT+POWER=14  ~-~--> TX Power Range set: 14dBm
310 -AT+CRC=1,1  ~-~--> TX and RX CRC Type
311 -AT+HEADER=0,0  ~-~--> TX and RX Header Type
312 -AT+CR=1,1  ~-~--> TX and RX Coding Rate
313 -AT+IQ=0,0  ~-~--> TX and RX InvertIQ
314 -AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
315 -AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
316 -AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode, RX window always open
199 +
317 317  )))
318 318  
202 += **7. Trouble Shooting** =
319 319  
320 -(% style="color:red" %)**LA66 Shield as Sender: **
321 321  
322 -(% class="box infomessage" %)
323 -(((
324 -**LA66 Shield configuration:**
205 +== 7.1  I can't log in to the built-in Server TTN Stack which shows '**Login failed**'. ==
325 325  
326 -AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
327 -AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
328 -AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
329 -AT+POWER=14  ~-~--> TX Power Range set: 14dBm
330 -AT+CRC=1,1  ~-~--> TX and RX CRC Type
331 -AT+HEADER=0,0  ~-~--> TX and RX Header Type
332 -AT+CR=1,1  ~-~--> TX and RX Coding Rate
333 -AT+IQ=0,0  ~-~--> TX and RX InvertIQ
334 -AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
335 -AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
336 -AT+RXMOD=6,0  ~-~-->  Rx Timeout and Reply mode
337 -)))
338 -)))
339 339  
340 340  
341 -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).**
342 342  
343 -When LG01-V2 replies with ACK when it receives a packet sent by LA66 sheild.
210 +This is caused by the inconsistency between the built-in TTN-Stack domain configuration and your login URL.
344 344  
345 -[[image:image-20221108164413-2.png]]shield
212 +By default, ttn-stack uses the gateway's domain name for URL resolution, but in some networks, they prefer to resolve IP-v4 addresses.
346 346  
347 347  
348 -In the real-time log of LG01-V2：
215 +So you can change the domain name of the TTN-Stack configuration to the IPv4 address.
349 349  
350 -[[image:image-20221108170314-3.png]]
217 +**Click the update URL button to configure the URL with the current eth port address.**
351 351  
352 352  
353 -**Hardware Connection**
354 354  
355 -(% class="box infomessage" %)
356 -(((
357 -**The DHT11 sensor connects to the LA66 Shield:**
358 358  
359 -**VCC  <~-~--> 3.3V (Red line)**
360 -**DATA <~-~--> PIN8 (Purple line)**
361 -**GND  <~-~--> GND (White line)**
362 -)))
363 363  
364 -[[image:image-20221108170731-5.png||height="588" width="441"]]
365 -
366 -
367 -**1.  open Arduino IDE**
368 -
369 -[[image:image-20221108172149-6.png||height="650" width="542"]]
370 -
371 -
372 -**2.  Open project**
373 -
374 -Users can download Arduino files from this link: [[attach:Log-Temperature-Sensor-and-send-data-to-Node-red.ino||target="_blank"]]
375 -
376 -Then click Compile and Upload to LA66 Shield,
377 -
378 -[[image:image-20221108172432-7.png]]
379 -
380 -
381 -3.
382 -
383 -The LA66 Shield reads the temperature and humidity data from the sensor and sends it to LG01V2,
384 -
385 -Users can import this example in node-red:
386 -
387 -
388 -
389 -= (% 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(%%)** =
390 -
391 -
392 -(% style="color:blue" %)**USB TTL to LG01-V2  Connection:**
393 -
394 -
395 -Port 1 of the UART on the LG01-V2 is GND
396 -
397 -(% class="box infomessage" %)
398 -(((
399 -**TXD  <~-~--> UART RXD (Gray line)**
400 -
401 -**RXD  <~-~--> UART TXD (White line)**
402 -
403 -**GND <~-~--> GND (Black line)**
404 -)))
405 -
406 -
407 -**LG01-V2 UART connection photo**
408 -
409 -[[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"]]
410 -
411 -
412 -
413 -In the PC, you can use the serial port tool(such as [[putty>>url:http://www.chiark.greenend.org.uk/~~sgtatham/putty/download.html]] in Windows), you need to set the serial baud rate to (% style="color:blue" %)**115200**(%%) to access the serial console for LG01v2. LG01v2 will output system info once power on as below:
414 -
415 -
416 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220804164928-3.png?width=332&height=320&rev=1.1||alt="image-20220804164928-3.png"]]
417 -
418 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220804164747-2.png?width=594&height=622&rev=1.1||alt="image-20220804164747-2.png"]]
419 -
420 -
421 -= **7. FAQ** =
422 -
423 -
424 -== **7.1 How does LG01-V2 communicate with Lora shield (LoRa.h)** ==
425 -
426 -
427 -This example describes how to use LG01-V2, LoRa Shield to set up a LoRa network
428 -
429 -[[image:image-20221103152238-8.png||height="251" width="654"]]
430 -
431 -
432 -(% style="color:red" %)**Prerequisites: The configurations of LG01-V2 and Lora shield must match**
433 -
434 -**LG01-V2 configuration:**
435 -
436 -(% class="box infomessage" %)
437 -(((
438 -AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
439 -AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
440 -AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
441 -AT+POWER=14  ~-~--> TX Power Range
442 -AT+CRC=1,1  ~-~--> TX and RX CRC Type
443 -AT+HEADER=0,0  ~-~--> TX and RX Header Type
444 -AT+CR=1,1  ~-~--> TX and RX Coding Rate
445 -AT+IQ=0,0  ~-~--> TX and RX InvertIQ
446 -AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
447 -AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public), **the corresponding Lora shield syncword is 0x12
448 -AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode,RX window always open
449 -AT+RXDAFORM=1    
450 -)))
451 -
452 -**Lora shield configuration:**
453 -
454 -Lora Shield example: [[attach:LoRa_Shield_Sketch_For_MQTT.ino||target="_blank"]] , [[attach:arduino-LoRa-master.zip||target="_blank"]]
455 -
456 -[[image:image-20221101161318-2.png]]
457 -
458 -
459 -**Test LG01-V2 to receive Lora Shield data:**
460 -
461 -[[image:image-20221101161951-3.png]]
462 -
463 -
464 -**Test the LG01-V2 to send data:**
465 -
466 -[[image:image-20221101162527-4.png]]
467 -
468 -
469 469  = (% style="color:inherit; font-family:inherit; font-size:29px" %)**8. Supports**(%%) =
470 470  
471 471  
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LoRa_Shield_Sketch_For_MQTT.ino
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1 -#include <SPI.h>
2 -#include <LoRa.h>
3 -
4 -// This is the LoRa Node side sketch for the MQTT example: http://wiki.dragino.com/index.php?title=MQTT_Forward_Instruction#Example_to_communicate_to_a_simple_MQTT_server
5 -
6 -float tem,hum;
7 -char tem_1[8]={"\0"},hum_1[8]={"\0"};
8 -char *node_id = "<4567>"; //From LG01 via web Local Channel settings on MQTT.Please refer <> dataformat in here.
9 -uint8_t datasend[36];
10 -unsigned int count = 1;
11 -unsigned long new_time,old_time=0;
12 -
13 -void setup()
14 -{
15 - Serial.begin(9600);
16 - while (!Serial);
17 - Serial.println(F("Start MQTT Example"));
18 - if (!LoRa.begin(868100000)) //868000000 is frequency
19 - {
20 - Serial.println("Starting LoRa failed!");
21 - while (1);
22 - }
23 - // Setup Spreading Factor (6 ~ 12)
24 - LoRa.setSpreadingFactor(12);
25 -
26 - // Setup BandWidth, option: 7800,10400,15600,20800,31250,41700,62500,125000,250000,500000
27 - //Lower BandWidth for longer distance.
28 - LoRa.setSignalBandwidth(125000);
29 -
30 - // Setup Coding Rate:5(4/5),6(4/6),7(4/7),8(4/8)
31 - LoRa.setCodingRate4(5);
32 - LoRa.setSyncWord(0x12);
33 - void disableCrc();
34 - LoRa.disableInvertIQ();
35 - LoRa.explicitHeaderMode();
36 - Serial.println("LoRa init succeeded.");
37 - LoRa.onReceive(onReceive);
38 - LoRa.receive();
39 -}
40 -
41 -void dhtTem()
42 -{
43 - tem = random(15,40);
44 - hum = random(40,80);
45 - Serial.println(F("The temperature and humidity:"));
46 - Serial.print("[");
47 - Serial.print(tem);
48 - Serial.print("℃");
49 - Serial.print(",");
50 - Serial.print(hum);
51 - Serial.print("%");
52 - Serial.print("]");
53 - Serial.println("");
54 -}
55 -void dhtWrite()
56 -{
57 - char data[50] = "\0";
58 - //for(int i = 0; i < 50; i++)
59 - //{
60 - // data[i] = node_id[i];
61 - //}
62 -
63 - dtostrf(tem,0,1,tem_1);
64 - dtostrf(hum,0,1,hum_1);
65 -
66 - // Serial.println(tem_1);
67 - strcat(data,"tem=");
68 - strcat(data,tem_1);
69 - strcat(data,"&hum=");
70 - strcat(data,hum_1);
71 - strcpy((char *)datasend,data);
72 -
73 - //Serial.println((char *)datasend);
74 - //Serial.println(sizeof datasend);
75 -
76 -}
77 -
78 -
79 -void SendData()
80 -{
81 - LoRa.beginPacket();
82 - LoRa.print((char *)datasend);
83 - LoRa.endPacket();
84 - Serial.println("Packet Sent");
85 -}
86 -
87 -
88 -
89 -void loop()
90 -{
91 - new_time=millis();
92 - if (new_time - old_time >= 30000 || old_time == 0)
93 - {
94 - old_time = new_time;
95 - Serial.print("########### ");
96 - Serial.print("COUNT=");
97 - Serial.print(count);
98 - Serial.println(" ###########");
99 - count++;
100 - dhtTem();
101 - dhtWrite();
102 - SendData();
103 - LoRa.receive();
104 - }
105 -}
106 -
107 -void onReceive(int packetSize) {
108 -
109 - // received a packet
110 - Serial.print("Received packet : ");
111 -
112 - // read packet
113 - for (int i = 0; i < packetSize; i++) {
114 - Serial.print((char)LoRa.read());
115 - }
116 - Serial.print("\n\r");
117 -}
118 -
Log-Temperature-Sensor-and-send-data-to-Node-red.ino
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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 -
arduino-LoRa-master.zip
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serial USB.json
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