1.2 ADCHS Interrupt

This example application shows how to sample an analog input using the ADCHS peripheral and displays the converted samples on a serial terminal.

Description

In this application, an analog input is converted by a software edge trigger. Converted digital value is displayed on the serial terminal.

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. This content can also be downloaded using content manager by following these instructions.

Path of the application within the repository is apps/adchs/adchs_interrupt/firmware.

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

Project NameDescription
wbz451_curiosity.XMPLABX project for PIC32CX-BZ2 and WBZ451 Curiosity Board

Setting Up the Hardware

The following table shows the target hardware for the application projects.

Project NameBoard
wbz451_curiosity.XPIC32CX-BZ2 and WBZ451 Curiosity Board

Setting Up PIC32CX WBZ451 Curiosity Board

  • Connect the AN5 pin RB1 (Pin 1 of the mikroBus connector) to the VCC (Pin 7 of the mikroBus connector)
  • Connect the Debug USB port on the board to the computer using a micro USB cable

Running the Application

  1. Open the Terminal application (Ex.: Tera term) on the computer
  2. Connect to the “USB to UART” 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 project using its IDE
  4. Console displays the ADC count and the ADC input voltage