CAPSENSE™

This section includes documentation and code examples for various CAPSENSE™ features.

• CAPSENSE™ Configurator Guide
  • 1 Overview
    • 1.1 Supported middleware
  • 2 Launch the CAPSENSE™ Configurator
    • 2.1 From the Device Configurator
    • 2.2 make command
    • 2.3 Eclipse IDE
    • 2.4 Executable (GUI)
    • 2.5 Executable (CLI)
  • 3 Quick start
  • 4 Code generation
  • 5 GUI description
    • 5.1 Menus
      • 5.1.1 File
      • 5.1.2 Edit
      • 5.1.3 View
      • 5.1.4 Help
    • 5.2 Notice List
  • 6 Tabs
    • 6.1 Basic tab
    • 6.2 Advanced tab
      • 6.2.1 General subtab
        • 6.2.1.1 Scan settings [MSC HW]
        • 6.2.1.2 General settings
        • 6.2.1.3 Regular widget raw count filter type
        • 6.2.1.4 Proximity widget raw count filter type
        • 6.2.1.5 Baseline filter settings
      • 6.2.2 CSD Settings subtab
      • 6.2.4 Widget Details subtab
    • 6.3 Pins tab [CSD HW]
    • 6.4 Scan Configuration tab [MSC HW]
      • 6.4.1 Widgets Explorer
      • 6.4.2 Widgets configuration pane
        • 6.4.2.1 Commands
      • 6.4.3 Summary Table
      • 6.4.4 Detailed Report
  • 7 Version changes
  • Revision history
• CAPSENSE™ Tuner Guide
  • 1 Overview
  • 2 Launch the CAPSENSE™ Tuner
    • 2.1 From the Device Configurator
    • 2.2 make command
    • 2.3 Eclipse IDE
    • 2.4 Executable (GUI)
    • 2.5 From the Command Line
  • 3 Quick start
  • 4. GUI description
    • 4.1 Menus
      • 4.1.1 File
      • 4.1.2 Edit
      • 4.1.3 View
      • 4.1.4 Communication
      • 4.1.5 Tools
      • 4.1.6 Help
    • 4.2 Toolbar
    • 4.3 Widget Explorer pane
    • 4.4 Widget/Sensor parameters pane
    • 4.5 Tabs
    • 4.6 Status bar
      • 4.6.1 I2C interface
      • 4.6.2 UART interface
  • 5 Tuner Communication Setup
  • 6 Widget View tab
    • 6.1 Touch Signal Graph
    • 6.2 Toolbar
  • 7 Graph View tab
    • 7.1 Toolbar
    • 7.2 Graph functionality
  • 8 SNR Measurement tab
    • 8.1 SNR options
    • 8.2 SNR Measurement procedure
  • 9 Touchpad View tab
    • 9.1 Toolbar
    • 9.2 Widget selection
    • 9.3 Display settings
    • 9.4 Show signal
    • 9.5 Touch report
  • 10 Gesture View tab
    • 10.1 Toolbar
    • 10.2 Widget selection
    • 10.3 Image pane
    • 10.4 Gesture Monitor
    • 10.5 Gesture Event history
  • 11 Tuner Configuration options
    • 11.1 Display options
      • 11.1.1 Theme
    • 11.2 SNR options
    • 11.3 Logging options
  • 12 Troubleshooting
  • Version changes
  • Revision history
• CAPSENSE™ Middleware
• CAPSENSE™ Tuner Client over BLE Example
• CAPSENSE™ Tuner Server over BLE Example
• CAPSENSE™ Buttons and Slider Example
• CAPSENSE™ FreeRTOS Example
• CAPSENSE™ Buttons BLE Example
• PSoC™ 4 and PSoC™ 6 MCU CAPSENSE™ Design Guide
  • 1. Introduction
    • 1.1 Abstract
    • 1.2 Introduction
    • 1.3 CapSense Features
    • 1.4 PSoC 4 and PSoC 6 MCU CapSense Plus Features
    • 1.5 CapSense Design Flow
  • 2. CapSense Technology
    • 2.1 CapSense Fundamentals
    • 2.2 Capacitive Touch Sensing Method
    • 2.3 Signal-to-Noise Ratio
    • 2.4 CapSense Widgets
    • 2.5 Liquid Tolerance
      • 2.5.1 Liquid Tolerance for Self-Capacitance Sensing
        • 2.5.1.1 Effect of Liquid Droplets and Liquid Stream on a Self-Capacitance Sensor
        • 2.5.1.2 Driven-Shield Signal and Shield Electrode
        • 2.5.1.3 Guard Sensor
      • 2.5.2 Liquid Tolerance for Mutual-Capacitance Sensing
        • 2.5.2.1 Effect of Liquid Droplets and Liquid Stream on a Mutual-Capacitance Sensor
        • 2.5.2.2 Using Self-Capacitance Sensing for Liquid Tolerance of Mutual Capacitance Sensors
      • 2.5.3 Effect of Liquid Properties on Liquid-Tolerance Performance
  • 3. PSoC 4 and PSoC 6 MCU CapSense
    • 3.1 CapSense CSD Sensing Method
    • 3.2 CapSense CSX Sensing Method
    • 3.3 CapSense Architecture in PSoC 4 S-Series, PSoC 4100S Plus, PSoC 4100PS, and PSoC 6 MCU
    • 3.4 CapSense in PSoC 4xxxM/4xxxL-Series
  • 4 CapSense Design and Development Tools
    • 4.1 PSoC Creator
    • 4.2 ModusToolbox
    • 4.3 Hardware Kits
  • 5. CapSense Performance Tuning
    • 5.1 Selecting between SmartSense and Manual Tuning
    • 5.2 SmartSense
    • 5.3 Manual Tuning
  • 7. Design Considerations
    • 7.1 Firmware
    • 7.3.2 Overlay Thickness
    • 7.3.3 Overlay Adhesives
    • 7.4 PCB Layout Guidelines
    • 7.4.1 Sensor CP
    • 7.4.2 Board Layers
    • 7.4.3 Button Design
    • 7.4.3.1 Self-Capacitance Button Design
    • 7.4.4 Slider Design
    • Slider-Segment Shape, Width, and Air Gap
    • 7.4.4.4 Routing Slider Segment Trace
    • 7.4.5 Sensor and Device Placement
    • 7.4.6 Trace Length and Width
    • 7.4.7 Trace Routing
    • 7.4.8 Crosstalk Solutions
    • 7.4.9 Vias
    • 7.4.10 Ground Plane
    • 7.4.12 Layout Guidelines for Liquid Tolerance
    • 7.4.13 Schematic Rule Checklist
  • 8 CapSense Plus