<
From version < 57.2 >
edited by Xiaoling
on 2023/03/30 16:02
To version < 57.3 >
edited by Xiaoling
on 2023/03/30 16:03
>
Change comment: There is no comment for this version

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... ... @@ -34,6 +34,7 @@
34 34  |(% style="width:284px" %)[[LTC2>>url:https://www.dragino.com/products/temperature-humidity-sensor/item/170-ltc2.html]]|(% style="width:409px" %)×|(% style="width:204px" %)[[Hardware Connect Photo>>||anchor="H4.1.5LTC2"]]
35 35  
36 36  
37 +
37 37  = 3. UART Upgrade Guide =
38 38  
39 39  == 3.1 Hardware Connection ==
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71 71  * **Connect JP2 jumper (Yellow one), so device is power on.**
72 72  
73 73  
75 +
74 74  == 3.2 Upgrade Steps ==
75 75  
76 76  
... ... @@ -136,6 +136,7 @@
136 136  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.
137 137  
138 138  
141 +
139 139  == 3.4 Flash Loader ~-~- Unable to Load data from this file ==
140 140  
141 141  
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185 185  * **ST-LINK v2 SWDIO  <~-~->  Dupont Cable white pin**
186 186  
187 187  
191 +
188 188  === 4.1.3 LAQ4 ST-Link v2 Connection ===
189 189  
190 190  
... ... @@ -203,13 +203,14 @@
203 203  
204 204  **When use (% style="color:blue" %)ST-Link v2(%%) to update, need:**
205 205  
206 -* **ST-LINK v2 RESET  <~-~->  NRST**
207 -* **ST-LINK v2 GND  <~-~->  GND**
208 -* **ST-LINK v2 SWCLK  <~-~->  SWCLK**
209 -* **ST-LINK v2 SWDIO  <~-~->  SWDIO**
210 -* **ST-LINK (VDD 3.3v,pin19)  <~-~->  ST-LINK (TVCC ,pin1) a wire to connect two pins of ST-Link together.**
210 +* **ST-LINK v2 RESET  <~-~->  NRST**
211 +* **ST-LINK v2 GND  <~-~->  GND**
212 +* **ST-LINK v2 SWCLK  <~-~->  SWCLK**
213 +* **ST-LINK v2 SWDIO  <~-~->  SWDIO**
214 +* **ST-LINK (VDD 3.3v,pin19)  <~-~->  ST-LINK (TVCC ,pin1) a wire to connect two pins of ST-Link together.**
211 211  
212 212  
217 +
213 213  === 4.1.5 LTC2 ===
214 214  
215 215  
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227 227  * **ST-LINK (VDD 3.3v,pin19)  <~-~->  ST-LINK (TVCC ,pin1) a wire to connect two pins of ST-Link together.**
228 228  
229 229  
235 +
230 230  = 4.2. Firmware upgrade using STM32 Cubeprogramer =
231 231  
232 232  
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