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LSN50 LoRa Sensor Node User Manual
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4.2
Upload Firmware via ST-Link V2
You can use ST-LINK to upgrade firmware into LSN50. The hardware connection for upgrade
firmware is as below:
Connection:
●
ST-LINK v2 GND <--> LSN50 GND
●
ST-LINK v2 SWCLK <--> LSN50 PA14
●
ST-LINK v2 SWDIO <--> LSN50 PA13
●
ST-LINK v2 RST <-->LSN50 NRST.
Step1:
Install
first and then install
Step2
: Download the
Step3:
Open ST-LINK utility,
file --> open file
to select the image to be upgraded.
Step4:
Click the “
Program Verify
” button on ST-LINK.
Step5:
The led on the ST-LINK adapter will now blinking, and the ST-Link utility will pop up a
download window. Click the start button to download the image to LSN50.