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README.md

Introduction

The Universal Asynchronous Receiver-Transmitter (UART) reference application demonstrates using the UART to send a message over the UART Transmitter (TX) and receive data over the UART Receiver (RX).

Hardware Setup

QPG6105 Smart Home and Lighting Carrier Board, UART

QPG6105 GPIO Configurations

GPIO Name Direction Connected To Comments
GPIO0 Output LD4 red LED
GPIO9 Output - Configured as UART TX
GPIO8 Input - Configured as UART RX

Serial logging

To capture the serial logging, the tool minicom can be used:

minicom -D /dev/ttyACM0 115200

Please note that the COM port number and device label may differ on your computer.

After resetting the programmed QPG6105 with the application (press the button SW6 RADIO RESET), you will see similar output as below:

Hello, World!
Hello, World!

Usage

After loading the program to the board and running:

  • The string “Hello, World!” will be sent at UART TX.

  • Bytes received via UART RX, will be echoed at UART TX.

  • The red LED (LD4) blinks for every byte sent.