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Touchpad With Built-In Surface Gesture Recognition Using Peripheral Touch Controller AN3433
Introduction
1 GUID-B69914F1-1C6B-439F-8FE5-A73A6E0CD8A0-high.png
1 Features
2 AVR® DA MCU Family Overview
2.1 Relevant Devices
3 AVR® DA Peripheral Touch Controller
3.1 PTC Low-Power Mode
4 Capacitive Touch Surface and 2D Gestures
4.1 2D Touchpad and Surface Gestures
5 Application Overview
5.1 Basics of Snake Game
5.2 Implementation
6 Hardware Overview
6.1 Development Boards
6.2 Hardware Setup
6.3 Pin Configurations
7 Firmware
7.1 Microchip Touch Library
7.2 Touch Surface Sensor Configuration
7.3 Low-Power Touch Configuration
7.4 Gesture Implementation
7.5 LED Matrix Driver and Snake Game Algorithm
7.6 Software Tools
8 Demonstration Setup
9 Touch Surface Performance Measurement
9.1 Microcontroller Configuration Details
9.2 Power Consumption
9.3 Program and Data Memory
9.4 Touch Response Time
9.5 CPU Utilization
10 Snake Game Demo Performance Measurement
10.1 Microcontroller Configuration Details
10.2 Power Consumption
10.3 Program and Data Memory
11 References
12 Appendix: QT2 Surface Sensor Design Specifications
12.1 Touchpad Resolution
13 Revision History
The Microchip Website
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