Table of Contents:

1.  Instruction for Windows OS Platform

Step 1:Install MSYS2

Download MSYS2 and Install

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Step 2:Open MSYS2

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Install related software:    pacman -S git vim make unzip python python-pip

Use pip to install pyserial:pip install pyserial configparser

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Step 3:Get LA66 SDK.

Step 1:  Download LA66 code. There are two alternatives, you can use one of them.

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Step 2:  Downloads | GNU Arm Embedded Toolchain Downloads – Arm Developer

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Step 3:  Copy the file downloaded in step 2 to the folder directory of .../LA66/tools/toolchain in step 1. 

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Step 4:Connect your LA66 to PC via USB TTL.

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Step 5:Check USB Port

ls /dev/

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Step 6:Open Makefile File, Modify Region and USB Port

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Step 7:Use Make to compile

Open Directory cd E: /ASR6601_soft_DRAGINO/LA66

source build/envsetup.sh

cd Projects/Applications/DRAGINO-LRWAN-AT

make

make flash

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Step 8:Uplink Image to LA66

LA66 LoRaWAN shield:

Connection:

Connect the Jump cap

10     <->  USB TTL RX

11      <->  USB TTL TX

GND  <->  USB TTL GND

3V3    <->  USB TTL 3.3v

Switch SW1 to ISP   

Press the RST key

 

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Put USB LoRaWAN Adapter into Program Mode, and press reset

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Run make flash

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Wait for update finish, remove program jumper and press reset

Below is the serial output after update success.

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Example for output files of Make

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2.  Instruction for Keil

Step 1:Install and buy Keil MDK

Download Keil and Install

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Step 2:Get LA66 SDK

Step 1:  Download LA66 code. There are two alternatives, you can use one of them.

image-20220729114259-17.png

Step 2:  Downloads | GNU Arm Embedded Toolchain Downloads – Arm Developer

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Step  3: Unzip the file downloaded in step 2 to the root directory of keil. As shown below:

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Step 3:Add firmware library to keil

Step 1:  Open the keil project.

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Step 2:  Add firmware library.

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Step 3:  Compile successfully.

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Step 4:Download firmware

UART Access for LoRa ST v4 base model

 

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