Table of Contents：

• 1.  Instruction for Windows OS Platform
  • Step 1：Install MSYS2
  • Step 2：Open MSYS2
  • Step 3：Get LA66 SDK.
  • Step 4：Connect your LA66 to PC via USB TTL.
  • Step 5：Check USB Port
  • Step 6：Open Makefile File, Modify Region and USB Port
  • Step 7：Use Make to compile
  • Step 8：Uplink Image to LA66
• 2.  Instruction for Keil
  • Step 1：Install and buy Keil MDK
  • Step 2：Get LA66 SDK
  • Step 3：Add firmware library to keil
  • Step 4：Download firmware

1.  Instruction for Windows OS Platform

Step 1：Install MSYS2

Download MSYS2 and Install

Step 2：Open MSYS2

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

Use pip to install pyserial：pip install pyserial configparser

Step 3：Get LA66 SDK.

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

• ASR Official SDK. Include ping pong example

• GitHub - dragino/LA66: LoRaWAN Module   (Dragino SDK for LA66, LoRaWAN version).

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

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

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

Step 5：Check USB Port

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

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

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

Put USB LoRaWAN Adapter into Program Mode, and press reset

Run make flash

Wait for update finish, remove program jumper and press reset

Below is the serial output after update success.

Example for output files of Make

2.  Instruction for Keil

Step 1：Install and buy Keil MDK

Download Keil and Install

Step 2：Get LA66 SDK

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

• ASR Official SDK. Include ping pong example

• GitHub - dragino/LA66: LoRaWAN Module   (Dragino SDK for LA66, LoRaWAN version).

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

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

Step 3：Add firmware library to keil

Step 1:  Open the keil project.

Step 2:  Add firmware library.

Step 3:  Compile successfully.

Step 4：Download firmware

UART Access for LoRa ST v4 base model