1.9 USART Driver Asynchronous - USART Echo

This example echoes the received characters over the console using the USART driver in asynchronous mode.

Description

This example uses the USART driver in asynchronous mode in Bare-Metal environment to communicate over the console. It receives and echo’s back the characters entered by the user.

Downloading and Building the Application

To clone or download this application from Github, go to the main page of this repository and then click Clone button to clone this repository or download as zip file.

Path of the application within the repository is apps/driver/usart/async/usart_echo.

To build the application, refer to the following table and open the project using its IDE.

Project NameDescription
pic32ak_gc_curiosity.XMPLABX project for Curiosity Platform Development Board and PIC32AK1216GC41064 General Purpose Dual In-Line Module (DIM)

Running the Application

  1. Open the Terminal application (Ex.:Tera term) on the computer
  2. Connect to the “PICkit 4 On Board Virtual COM Port” and configure the serial settings as follows:
    • Baud : 115200
    • Data : 8 Bits
    • Parity : None
    • Stop : 1 Bit
    • Flow Control : None
  3. Build and Program the application using its IDE
  4. Type a character and observe the output on the console as shown below:
  5. LED toggles each time the character is echoed
Refer to the following table for LED name: