Changes for page Firmware Upgrade Instruction for STM32 base products
Last modified by Bei Jinggeng on 2024/02/02 11:51
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... ... @@ -2,9 +2,6 @@ 2 2 3 3 {{toc/}} 4 4 5 - 6 - 7 - 8 8 = 1. Introduction = 9 9 10 10 This instruction shows how to upgrade firmware for Dragino products base on STM32 solution. The upgrade can use 2 hardware connections: **UART upgrade** or **ST Link v2 upgrade**. Some models supports both methods and some only one of them. ... ... @@ -28,7 +28,6 @@ 28 28 |(% 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>>||anchor="H4.1.5LTC2"]] 29 29 30 30 31 - 32 32 = 3. UART Upgrade Guide = 33 33 34 34 == 3.1 Hardware Connection == ... ... @@ -61,6 +61,7 @@ 61 61 * Put Switch SW1 to ISP position 62 62 * Connect JP2 jumper (Yellow one), so device is power on. 63 63 60 + 64 64 == 3.2 Upgrade Steps == 65 65 66 66 ((( ... ... @@ -125,6 +125,7 @@ 125 125 1. If you use Windows10 system. Please change the flash loader to run in Windows7 compatibility mode. 126 126 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. 127 127 125 + 128 128 == 3.4 Flash Loader ~-~- Unable to Load data from this file == 129 129 130 130 [[image:image-20220526174137-8.png]] ... ... @@ -168,6 +168,7 @@ 168 168 * ST-LINK v2 SWCLK <~-~-> Dupont green pin 169 169 * ST-LINK v2 SWDIO <~-~-> Dupont white pin 170 170 169 + 171 171 === 4.1.3 LAQ4 ST-Link v2 Connection === 172 172 173 173 [[image:image-20220526174602-14.png||height="506" width="922"]] ... ... @@ -189,6 +189,7 @@ 189 189 * ST-LINK v2 SWDIO <~-~-> SWDIO 190 190 * ST-LINK (VDD 3.3v,pin19) <~-~-> ST-LINK (TVCC ,pin1) a wire to connect two pins of ST-Link together. 191 191 191 + 192 192 === 4.1.5 LTC2 === 193 193 194 194 [[image:image-20220526175131-18.png]] ... ... @@ -202,6 +202,7 @@ 202 202 * ST-LINK v2 SWCLK <~-~-> LTC2 SWCLK 203 203 * ST-LINK v2 SWDIO <~-~-> LTC2 SWDIO 204 204 205 + 205 205 == 4.2 ST-Link Upgrade Guide == 206 206 207 207 (((