Last modified by Mengting Qiu on 2025/06/17 09:18

From version 51.1
edited by Mengting Qiu
on 2025/01/22 13:47
Change comment: Uploaded new attachment "image-20250122134752-6.png", version {1}
To version 39.1
edited by Mengting Qiu
on 2025/01/21 09:38
Change comment: Uploaded new attachment "image-20250121093834-4.png", version {1}

Summary

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64 64  == 3.1 Required Components ==
65 65  
66 66  
67 -* See FAQ 4.4 for how to update LA66 with the [[OTA Dongle Firmware>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AFhmjtEOaipfBAFrpMCoWrI/LoRaWAN%20End%20Node/LA66%20LoRaWAN%20module/Firmware/OTA_Firmware?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].
67 +* Hardware: [[LA66 USB>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]] with [[OTA_firmware>>https://www.dropbox.com/sh/4qnjreg1esxu16i/AADbRjW_tuBP3IIkmf11nSoma?dl=0]] installed.
68 +
68 68  * Software: [[OTA_Tool>>https://www.dropbox.com/scl/fo/9kqeqf6wmet10o9hgxuwa/h?rlkey=4ikrg6kg5v0yjxwhp0i37wrv7&dl=0]]. Only support Windows now
69 69  
70 70  [[image:image-20230513120722-2.png||height="409" width="866"]]
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80 80  === (% style="color:blue" %)**Step1:**(%%) Plug LA66 USB to PC and run OTA_Tool. ===
81 81  
82 82  
83 -[[image:image-20250121091115-1.png]]
84 +[[image:image-20231212171036-1.png]]
84 84  
85 85  
86 86  === (% style="color:blue" %)**Step2:**(%%) Set up OTA Tool ===
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96 96  
97 97  * (% style="color:blue" %)**Upload_File**(%%): The firmware to be upload to the sensor. make sure the firmware is with surfix _without_bootloader. For example: LHT65N_EU868_v1.5_without_bootloader.
98 98  
99 -* (% style="color:blue" %)**DEUI_File**(%%): If customer has lots of sensors. He can also import the Dev EUI files and use droplist to choose the sensor to update. (If you did not ask us for a uniform update file, then you do not need to use this field, please ignore it.) Format is as below:
100 +* (% style="color:blue" %)**DEUI_File**(%%): If customer has lots of sensors. He can also import the Dev EUI files and use droplist to choose the sensor to update. Format is as below:
100 100  
101 101  [[image:image-20230114174640-3.png||height="130" width="1169"]]
102 102  
103 103  
104 -=== (% style="color:blue" %)**Step3:**(%%) After re-plugging the LA66 USB, click "Start" in the OTA tool. ===
105 +=== (% style="color:blue" %)**Step3:**(%%) Press Start in OTA Tool and then Press Reset button to restart LA66 USB ===
105 105  
106 106  
107 -Upon re-plugging, the LA66 USB will reboot and broadcast the update process using the Dev EUI and passcode
108 +After press reset button, LA66 USB will restart and broadcast update process with the Dev EUI and Password.
108 108  
109 109  
110 110  === (% style="color:blue" %)**Step4:** (%%)Press reset button on the end node, or re-activate the end node. ===
111 111  
112 -When the OTA Tool displays “**LA66 is scanning for sensor Dev EUI ‘(% style="color:blue" %)DevEUI(%%)’. Please reset the sensor for connection and update**”, press and hold the ACT button on the terminal node for 5 seconds to perform a terminal node reset so that the OTA Tool can connect successfully.
113 113  
114 -[[image:image-20250121093705-3.png]]
115 -
116 116  In every reboot/ reactivate, the end node will check if there is update request. If end node gets the update request from LA66. End node will check if the Dev EUI and Password match. If match, End node will establish connection with LA66 USB for OTA update.
117 117  
118 118  
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121 121  
122 122  Below shows the update successul result.
123 123  
124 -[[image:image-20250121093834-4.png]]
122 +[[image:image-20231212171543-2.png||height="575" width="753"]]
125 125  
126 126  
125 +== 3.3 OTA Update Configure ==
126 +
127 +
128 +(% class="mark text-uppercase" %)**Video Instruction:**(%%) ~-~- OTA Upgrade Configure (via LoRa) of LoRaWAN Sensors**: [[https:~~/~~/youtu.be/5XedoNVkbQQ>>https://youtu.be/5XedoNVkbQQ]]**
129 +
130 +OTA Update Configure is good for batch update configure in same type of sensors.
131 +
132 +
127 127  = 4. FAQ =
128 128  
129 -== 4.1 OTA_Tool supports two upgrade methods for -LB products. ==
135 +== 4.1 Can i use other devices to connect to PC if i don't have LA66 USB? ==
130 130  
131 131  
132 -* For OTA_Tool, you can choose to use the OTA upgrade method, refer to the above upgrade steps in this user manual.
138 +If user doesn't have LA66 USB Adapter, they can still use other Dragino Device to connect to PC for OTA update.
133 133  
134 -[[image:image-20250122104151-4.png||height="318" width="673"]]
140 +(% style="color:blue" %)**Steps:**
135 135  
136 -* Of course, if you have a USB-TTL adapter, you can also choose to use the [[UART upgrade method>>https://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]] via OTA_Tool.
142 +* Find the suitable mode which base on LA66 chip ( All LoRaWAN model with LB or LS suffix , such as SN50v3-LB)
137 137  
138 -[[image:image-20250122104131-3.png||height="330" width="674"]]
144 +* Update the LA66 USB OTA firmware to the device.
139 139  
146 +* Connect the device to PC via UART interface.
140 140  
148 +* Make sure power off or update the firmware back to original firmware , because the LA66 USB OTA fimware is not low power consumption firmware. it will consume the battery very fast.
149 +
141 141  == 4.2 Where to find OTA Password? ==
142 142  
143 143  
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158 158  2. OTA update require a reset or reactivate action. If the crash firmware doesn't have them work, user need to manuall push the physic reset button on the PCB or power off/on device.
159 159  
160 160  
161 -== 4.4 How to update the LA66 OTA Dongle via mobile phone? ==
170 +== 4.4 Will OTA update effect the Local LoRaWAN Network. ==
162 162  
163 -[[bootlooder>>url:https://wiki.dragino.com/xwiki/bin/download/Main/BLE%20Bluetooth%20Remote%20Configure/WebHome/LoRa_OTA_Bootloader_v1.4.bin?rev=1.1]] and [[OTA_firmware>>url:https://wiki.dragino.com/xwiki/bin/download/Main/BLE%20Bluetooth%20Remote%20Configure/WebHome/LA66%20OTA%20DONGLE%20v1.1.bin?rev=1.1]].
164 -
165 -Tool Download: [[Download link form Dropbox.>>https://www.dropbox.com/scl/fo/gyscmfn1s03oz3n8rif8w/AJW7JoMQsQ56dtlls2SNf9c?rlkey=3q2cxwriyzh26vuairx01yebc&st=be5jv92w&dl=0]] 
166 -
167 -Operation instructions: [[Reference for operating procedures.>>https://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/#H3.1.3.3LA66upgrade]]
168 -
169 -
170 -
171 -== 4.5 Will OTA update effect the Local LoRaWAN Network. ==
172 -
173 173  User can configure the OTA_Frequency.txt file to change the Update frequency point so it won't conflict with the general LoRa Frequency. See below for the file as reference and explain. The OTA update also use a none-use SF (SF=5) which won't conflict with the current use SF.
174 174  
175 175  (% class="mark" %)#Define the OTA frequency use for OTA.
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195 195  RU864;869.3;869.5,869.7
196 196  
197 197  
198 -== 4.6 The old version LA66 is different from the new version LA66. Can OTA_Tool be used for both versions? ==
199 -
200 -
201 -The most obvious hardware difference between LA66 V1 and LA66v2 when burning is the presence of a "RESET "button, and the RESET operation is only for LA66 without a boot loader, you can refer to this link to learn how to upgrade LA66 without a boot loader:[[LA66 USB LoRaWAN Adapter User Manual - DRAGINO>>url:https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.10.2Updatemethod:A0ForLA66withoutbootloader]]
202 -
203 -In summary, as long as your LA66 has a boot loader, either LA66 V1 or LA66 V2 can use OTA_Tool.
204 -
205 -
206 -== 4.7 Why can't LA66 burn its own working firmware after it is used for OTA upgrade of -LB products? ==
207 -
208 -
209 -We are sorry for the inadequacy of LA66 for OTA updates in the past.
210 -
211 -* In the past, the download address of LA66 OTA DONGLE V1.0 was (% style="color:blue" %)**0x08000000**(%%), and the address of the bootloader that existed by default when the LA66 was shipped was also (% style="color:blue" %)**0x08000000**(%%).
212 -
213 -Therefore, when you burn OTA_Firmwar v1.0 (LA66 OTA DONGLE v1.0) for the LA66 in order to use the LA66‘s ability to perform OTA upgrades for -LB products, the LA66’s bootloader is overridden.
214 -
215 -So if you need to switch back to the LA66's working firmware, you'll need to refer to this [[link>>https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.10.2Updatemethod:A0ForLA66withoutbootloader]] for instructions to burn firmware with a bootloader for the LA66.
216 -
217 -[[image:image-20250122113225-5.png||height="336" width="798"]]
218 -
219 -* For the new version of LA66 OTA DONGLE V1.1, we have changed the supported download address to (% style="color:blue" %)**0x0800D000**(%%) the same as other working firmware addresses, so you can simply use OTA_Tool to burn LA66 OTA DONGLE V1.1 and LA66 working firmware for LA66.
220 -
221 -
222 222  = 5. OTA Tool Known Bug: =
223 223  
224 224  
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