<
From version < 4.1 >
edited by Xiaoling
on 2022/05/11 16:39
To version < 5.1 >
edited by Xiaoling
on 2022/05/11 16:45
>
Change comment: There is no comment for this version

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23 23  |(% style="width:444px" %)[[RS485-BL>>url:https://www.dragino.com/products/lora-lorawan-end-node/item/167-rs485-bl.html]], LDDS75,[[LLDS12>>url:https://www.dragino.com/products/distance-level-sensor/item/185-llds12.html]],LDDS20,[[LSE01>>https://www.dragino.com/products/agriculture-weather-station/item/159-lse01.html]],WSC1-L,GroPoint Air|(% style="width:239px" %)[[Hardware Connection Photo>>url:https://wiki.dragino.com/index.php/Firmware_Upgrade_Trouble_Shooting#RS485-BL.2FLDDS75.2FLDDS20.2FLSE01]]|(% style="width:204px" %)[[Hardware Connect Photo>>url:https://wiki.dragino.com/index.php/Firmware_Upgrade_Instruction_for_STM32_base_products#RS485-BL.2FLDDS75.2FLDDS20.2FLSE01_2]]
24 24  |(% style="width:444px" %)[[LTC2>>url:https://www.dragino.com/products/temperature-humidity-sensor/item/170-ltc2.html]]|(% style="width:239px" %)×|(% style="width:204px" %)[[Hardware Connect Photo>>url:https://wiki.dragino.com/index.php/Firmware_Upgrade_Instruction_for_STM32_base_products#LTC2]]
25 25  
26 -
27 27  = 3. UART Upgrade Guide =
28 28  
29 29  == 3.1 Hardware Connection ==
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30 30  
31 31  === 3.1.1 LSN50 v1 ===
32 32  
33 -[[image:image-20220511163746-2.png]]
32 +[[image:image-20220511163746-2.png||height="322" width="433"]]
34 34  
35 35  Connection for LSN50 v1
36 36  
37 37  === 3.1.2 LSN50 v2/LSN50v2-D22/LSN50v2-D23 ===
38 38  
39 -[[image:https://wiki.dragino.com/images/thumb/f/f8/STM32_UART_Upgrade_2.png/600px-STM32_UART_Upgrade_2.png||height="291" width="600"]]
38 +[[image:https://wiki.dragino.com/images/thumb/f/f8/STM32_UART_Upgrade_2.png/600px-STM32_UART_Upgrade_2.png||height="267" width="551"]]
40 40  
41 41  Connection for LSN50 Type V2
42 42  
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54 54  * Put Switch SW1 to ISP position
55 55  * Connect JP2 jumper (Yellow one), so device is power on.
56 56  
57 -
58 58  == 3.2 Upgrade Steps ==
59 59  
60 60  (((
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111 111  1. If you use Windows10 system. Please change the flash loader to run in Windows7 compatibility mode.
112 112  1. We see a case the FT232 USB TTL adapter has reliability issue with the PC USB chipset(Intel). In this case, even above, it still has serious reliability issue for uploading. If this happen, change a PC or change a USB to TTL adapter will solve.
113 113  
114 -
115 115  == 3.4 Flash Loader ~-~- Unable to Load data from this file ==
116 116  
117 117  [[image:https://wiki.dragino.com/images/9/96/FlashLoader-troube_1.png||height="521" width="399"]]
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149 149  * ST-LINK v2 SWCLK <~-~-> Dupont green pin
150 150  * ST-LINK v2 SWDIO <~-~-> Dupont white pin
151 151  
152 -
153 153  === 4.1.3 LAQ4 ST-Link v2 Connection ===
154 154  
155 155  [[image:https://wiki.dragino.com/images/thumb/0/03/STM32_STLINK_Upgrade_LAQ4.png/600px-STM32_STLINK_Upgrade_LAQ4.png||height="331" width="600"]]
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184 184  * ST-LINK v2 SWCLK <~-~-> LTC2 SWCLK
185 185  * ST-LINK v2 SWDIO <~-~-> LTC2 SWDIO
186 186  
187 -
188 188  == 4.2 ST-Link Upgrade Guide ==
189 189  
190 190  (((
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232 232  
233 233  1. Make sure see the LED blink on the ST-Link and release the reset button during blinking.
234 234  
235 -
236 236  Possible Issue 2:
237 237  
238 238  1. There are different version ST-Link v2. The white one as below is the most stable and recommended one.
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