Scope and purpose​

The CAPSENSE™ Configurator is used to create and configure CAPSENSE™ widgets and generate code to control the application firmware.

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Intended audience​

This document helps application developers understand how to use the CAPSENSE™ Configurator as part of creating a ModusToolbox™ application.

Conventions used​

The following are the conventions used in this guide:

Convention

Explanation

Bold

Emphasizes heading levels, column headings, menus and sub-menus.

Italics

Denotes file names and paths.

Monospace

Denotes APIs, functions, interrupt handlers, events, data types, error handlers, file/folder names, directories, command line inputs, code snippets.

File > New

Indicates that a cascading sub-menu opens when you select a menu item.

Abbreviations and definitions​

  • Application – One or more projects related to each other.

  • BIST – Built-In Self-Test

  • CAPDAC – Capacitive digital-to-analog converter

  • CAPSENSE – capacitive sensing

  • Configurator – A GUI-based tool used to configure a resource.

  • CSD – CAPSENSE™ sigma-delta – self-capacitance sensing method

  • CSX – CAPSENSE™ Transmit/Receive (CAPSENSE™ with two electrodes: Tx and Rx) – mutual capacitance sensing method

  • EFS – external frame start

  • IDAC – Current-output digital-to-analog converter

  • IDE – integrated development environment

  • IIR filter – infinite-impulse response filter

  • CSD HW – CAPSENSE™ Sigma Delta – 4

    th

    generation hardware (HW) block

  • ISX – inductive sensing method

  • LFSR – linear-feedback shift register

  • MFS – multi-frequency scan

  • MSC HW – multi-sense converter – 5

    th

    generation hardware (HW) block

  • MSCLP HW – multi-sense converter low power – 5

    th

    generation LP hardware (HW) block

  • Peripheral – Any external analog or digital device that provides input and output for the computer.

  • PRS – pseudo-random sequencer

  • PSOC™ – programmable system-on-chip

  • SNR – signal-to-noise ratio

  • SSC - spread spectrum clock

  • Widget – This CAPSENSE™ functional unit consists of one sensor or a group of similar sensors that implement(s) a specific higher-level functionality such as a Button, Proximity Sensor, Linear Slider, Radial Slider, Matrix Buttons, Touchpad, Low Power, and Liquid Level widget.

Reference documents​

Refer to the following documents for more information as needed: