Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 14.1 >
edited by Edwin Chen
on 2022/05/31 10:05
To version < 52.1 >
edited by Herong Lu
on 2022/06/02 16:07
>
Change comment: There is no comment for this version

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1 -XWiki.Edwin
1 +XWiki.Lu
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88 88  
89 89  == Upgrade Firmware of LA66 LoRaWAN Shield ==
90 90  
91 +=== what needs to be used ===
91 91  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
92 92  
95 +2.Arduino
96 +
97 +3.USB TO TTL
98 +
99 +[[image:image-20220602100052-2.png]]
100 +
101 +=== Wiring Schematic ===
102 +
103 +[[image:image-20220602101311-3.png]]
104 +
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 +
107 +GND  >>>>>>>>>>>>GND
108 +
109 +TXD  >>>>>>>>>>>>TXD
110 +
111 +RXD  >>>>>>>>>>>>RXD
112 +
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114 +
115 +Connect to the PC after connecting the wires
116 +
117 +[[image:image-20220602102240-4.png]]
118 +
119 +=== Upgrade steps ===
120 +
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
122 +
123 +[[image:image-20220602102824-5.png]]
124 +
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126 +
127 +[[image:image-20220602104701-12.png]]
128 +
129 +==== Open the upgrade application software ====
130 +
131 +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/]]
132 +
133 +[[image:image-20220602103227-6.png]]
134 +
135 +[[image:image-20220602103357-7.png]]
136 +
137 +===== Select the COM port corresponding to USB TTL =====
138 +
139 +[[image:image-20220602103844-8.png]]
140 +
141 +===== Select the bin file to burn =====
142 +
143 +[[image:image-20220602104144-9.png]]
144 +
145 +[[image:image-20220602104251-10.png]]
146 +
147 +[[image:image-20220602104402-11.png]]
148 +
149 +===== Click to start the download =====
150 +
151 +[[image:image-20220602104923-13.png]]
152 +
153 +===== The following figure appears to prove that the burning is in progress =====
154 +
155 +[[image:image-20220602104948-14.png]]
156 +
157 +===== The following picture appears to prove that the burning is successful =====
158 +
159 +[[image:image-20220602105251-15.png]]
160 +
93 93  = LA66 USB LoRaWAN Adapter =
94 94  
95 95  LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
96 96  
165 +Before use, please make sure that the computer has installed the CP2102 driver
166 +
97 97  == Pin Mapping & LED ==
98 98  
99 99  == Example Send & Get Messages via LoRaWAN in PC ==
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100 100  
101 101  == Example Send & Get Messages via LoRaWAN in RPi ==
102 102  
103 -=== Install USB Driver ===
173 +Connect the LA66 LoRa Shield to the RPI
104 104  
175 +[[image:image-20220602153333-4.png]]
176 +
177 +Log in to the RPI's terminal and connect to the serial port
178 +
179 +[[image:image-20220602153146-3.png]]
180 +
181 +Press the reset switch RST on the LA66 LoRa Shield.
182 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
183 +
184 +[[image:image-20220602154928-5.png]]
185 +
186 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
187 +
188 +example: AT+SENDB=01,02,8,05820802581ea0a5
189 +
190 +[[image:image-20220602160339-6.png]]
191 +
192 +Check to see if TTN received the message
193 +
194 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
195 +
105 105  === Install Minicom ===
106 106  
198 +Enter the following command in the RPI terminal
199 +
200 +apt update
201 +
202 +[[image:image-20220602143155-1.png]]
203 +
204 +apt install minicom
205 +
206 +[[image:image-20220602143744-2.png]]
207 +
107 107  === Use AT Command to send an uplink message. ===
108 108  
109 -=== Send CPU/RAM/Flash usage to TTN via a script. ===
210 +=== Send PC's CPU/RAM usage to TTN via script. ===
110 110  
212 +==== Take python as an example： ====
111 111  
214 +===== Preconditions: =====
215 +
216 +1.LA66 LoRa Shield works fine
217 +
218 +2.LA66 LoRa Shield is registered with TTN
219 +
220 +===== Steps for usage =====
221 +
222 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
223 +
224 +[[image:image-20220602114148-1.png]]
225 +
226 +2.Run the script and see the TTN
227 +
228 +[[image:image-20220602115852-3.png]]
229 +
230 +
231 +
112 112  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
113 113  
114 114  
115 115  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
116 -
117 -
CP210x_Universal_Windows_Driver.zip
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