Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 79.1 >
edited by Edwin Chen
on 2022/07/10 22:00
To version < 73.1 >
edited by Edwin Chen
on 2022/07/03 00:12
>
Change comment: There is no comment for this version

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Content
... ... @@ -134,62 +134,58 @@
134 134  
135 135  == Upgrade Firmware of LA66 LoRaWAN Shield ==
136 136  
137 -=== Items needed for update ===
137 +=== what needs to be used ===
138 138  
139 -1. LA66 LoRaWAN Shield
140 -1. Arduino
141 -1. USB TO TTL Adapter
139 +1.LA66 LoRaWAN Shield that needs to be upgraded
142 142  
143 -[[image:image-20220602100052-2.png||height="385" width="600"]]
141 +2.Arduino
144 144  
143 +3.USB TO TTL
145 145  
146 -=== Connection ===
145 +[[image:image-20220602100052-2.png]]
147 147  
148 -[[image:image-20220602101311-3.png||height="276" width="600"]]
147 +=== Wiring Schematic ===
149 149  
150 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 -**GND  <-> GND
152 -TXD  <-> TXD
153 -RXD  <-> RXD**
149 +[[image:image-20220602101311-3.png]]
154 154  
155 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
151 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
156 156  
157 -Connect USB TTL Adapter to PC after connecting the wires
153 +GND  >>>>>>>>>>>>GND
158 158  
155 +TXD  >>>>>>>>>>>>TXD
159 159  
160 -[[image:image-20220602102240-4.png||height="304" width="600"]]
157 +RXD  >>>>>>>>>>>>RXD
161 161  
159 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
162 162  
163 -=== Upgrade steps ===
161 +Connect to the PC after connecting the wires
164 164  
165 -==== Switch SW1 to put in ISP position ====
163 +[[image:image-20220602102240-4.png]]
166 166  
167 -[[image:image-20220602102824-5.png||height="306" width="600"]]
165 +=== Upgrade steps ===
168 168  
167 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
169 169  
170 -==== Press the RST switch once ====
169 +[[image:image-20220602102824-5.png]]
171 171  
172 -[[image:image-20220602104701-12.png||height="285" width="600"]]
171 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
173 173  
173 +[[image:image-20220602104701-12.png]]
174 174  
175 -==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
175 +==== Open the upgrade application software ====
176 176  
177 -**~1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
177 +Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
178 178  
179 179  [[image:image-20220602103227-6.png]]
180 180  
181 181  [[image:image-20220602103357-7.png]]
182 182  
183 +===== Select the COM port corresponding to USB TTL =====
183 183  
184 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
185 -**2. Select the COM port corresponding to USB TTL**
186 -
187 187  [[image:image-20220602103844-8.png]]
188 188  
187 +===== Select the bin file to burn =====
189 189  
190 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
191 -**3. Select the bin file to burn**
192 -
193 193  [[image:image-20220602104144-9.png]]
194 194  
195 195  [[image:image-20220602104251-10.png]]
... ... @@ -196,22 +196,16 @@
196 196  
197 197  [[image:image-20220602104402-11.png]]
198 198  
195 +===== Click to start the download =====
199 199  
200 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
201 -**4. Click to start the download**
202 -
203 203  [[image:image-20220602104923-13.png]]
204 204  
199 +===== The following figure appears to prove that the burning is in progress =====
205 205  
206 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
207 -**5. Check update process**
208 -
209 209  [[image:image-20220602104948-14.png]]
210 210  
203 +===== The following picture appears to prove that the burning is successful =====
211 211  
212 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
213 -**The following picture shows that the burning is successful**
214 -
215 215  [[image:image-20220602105251-15.png]]
216 216  
217 217  
... ... @@ -236,6 +236,9 @@
236 236  * LA66 LoRaWAN Shield x 1
237 237  * RF Antenna x 1
238 238  
229 +
230 +
231 +
239 239  = LA66 USB LoRaWAN Adapter =
240 240  
241 241  == Overview ==
... ... @@ -256,6 +256,8 @@
256 256  * AT Command via UART-TTL interface
257 257  * Firmware upgradable via UART interface
258 258  
252 +
253 +
259 259  == Specification ==
260 260  
261 261  * CPU: 32-bit 48 MHz
... ... @@ -274,88 +274,75 @@
274 274  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
275 275  * LoRa Rx current: <9 mA
276 276  
272 +
273 +
277 277  == Pin Mapping & LED ==
278 278  
279 279  == Example Send & Get Messages via LoRaWAN in PC ==
280 280  
281 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
278 +Connect the LA66 LoRa Shield to the PC
282 282  
283 -~1. Connect the LA66 USB LoRaWAN adapter to PC
280 +[[image:image-20220602171217-1.png||height="615" width="915"]]
284 284  
285 -[[image:image-20220602171217-1.png||height="538" width="800"]]
286 -
287 287  Open the serial port tool
288 288  
289 289  [[image:image-20220602161617-8.png]]
290 290  
291 -[[image:image-20220602161718-9.png||height="457" width="800"]]
286 +[[image:image-20220602161718-9.png||height="529" width="927"]]
292 292  
288 +Press the reset switch RST on the LA66 LoRa Shield.
293 293  
294 -2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
290 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
295 295  
296 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
292 +[[image:image-20220602161935-10.png]]
297 297  
298 -[[image:image-20220602161935-10.png||height="498" width="800"]]
294 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
299 299  
300 -
301 -3. See Uplink Command
302 -
303 -Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
304 -
305 305  example: AT+SENDB=01,02,8,05820802581ea0a5
306 306  
307 -[[image:image-20220602162157-11.png||height="497" width="800"]]
298 +[[image:image-20220602162157-11.png]]
308 308  
300 +Check to see if TTN received the message
309 309  
310 -4. Check to see if TTN received the message
302 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
311 311  
312 -[[image:image-20220602162331-12.png||height="420" width="800"]]
313 -
314 -
315 -
316 316  == Example Send & Get Messages via LoRaWAN in RPi ==
317 317  
318 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
306 +Connect the LA66 LoRa Shield to the RPI
319 319  
320 -~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
308 +[[image:image-20220602171233-2.png||height="592" width="881"]]
321 321  
322 -[[image:image-20220602171233-2.png||height="538" width="800"]]
310 +Log in to the RPI's terminal and connect to the serial port
323 323  
312 +[[image:image-20220602153146-3.png]]
324 324  
325 -2. Install Minicom in RPi.
314 +Press the reset switch RST on the LA66 LoRa Shield.
315 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
326 326  
327 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
317 +[[image:image-20220602154928-5.png]]
328 328  
329 -(% class="mark" %)apt update
319 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
330 330  
331 -(% class="mark" %)apt install minicom
321 +example: AT+SENDB=01,02,8,05820802581ea0a5
332 332  
323 +[[image:image-20220602160339-6.png]]
333 333  
334 -Use minicom to connect to the RPI's terminal
325 +Check to see if TTN received the message
335 335  
336 -[[image:image-20220602153146-3.png||height="439" width="500"]]
327 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
337 337  
329 +=== Install Minicom ===
338 338  
339 -3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
340 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
331 +Enter the following command in the RPI terminal
341 341  
342 -[[image:image-20220602154928-5.png||height="436" width="500"]]
333 +apt update
343 343  
335 +[[image:image-20220602143155-1.png]]
344 344  
345 -4. Send Uplink message
337 +apt install minicom
346 346  
347 -Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
339 +[[image:image-20220602143744-2.png]]
348 348  
349 -example: AT+SENDB=01,02,8,05820802581ea0a5
350 -
351 -[[image:image-20220602160339-6.png||height="517" width="600"]]
352 -
353 -Check to see if TTN received the message
354 -
355 -[[image:image-20220602160627-7.png||height="369" width="800"]]
356 -
357 -
358 -
359 359  === Send PC's CPU/RAM usage to TTN via script. ===
360 360  
361 361  ==== Take python as an example： ====
... ... @@ -403,8 +403,4 @@
403 403  
404 404  * LA66 USB LoRaWAN Adapter x 1
405 405  
406 -= Reference =
407 -
408 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
409 -
410 410  

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