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Completed Capacitive Touch Slider Library
* Example 1 - Basic Reading * Example 2 - Detect Any Touch * Example 3 - Detect Swipe * Example 4 - Power Button * Example 5 - Detect Current Touch * Example 6 - Set Sensitivity
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‎examples/Example02_DetectAnyTouch/Example02_DetectAnyTouch.ino‎

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/*
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Library for the CAP1203
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By: Andrea DeVore
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SparkFun Electronics
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Do you like this library? Help support SparkFun. Buy a board!
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This sketch uses the SparkFun_CAP1203 library to initialize
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the capacitive touch sensor and stream when any pad detects
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a touch.
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License: This code is public domain, but if you see me
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(or any other SparkFun employee) at the local, and you've
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found our code helpful, please buy us a round (Beerware
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license).
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Distributed as is; no warrenty given.
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*/
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#include <SparkFun_CAP1203_Registers.h>
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#include <SparkFun_CAP1203_Types.h>
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#include <Wire.h>
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CAP1203 sensor; // Initialize sensor
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void setup() {
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Wire.begin(); // Join I2C bus
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Serial.begin(9600); // Start serial for output
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// Setup sensor
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if (sensor.begin() == false) {
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Serial.println("Not connected. Please check connections and read the hookup guide.");
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while (1);
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}
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else {
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Serial.println("Connected!");
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}
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}
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void loop() {
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if (sensor.isTouched() == true) {
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Serial.println("Touch");
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}
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}

‎examples/Example03_DetectSwipe/Example03_DetectSwipe.ino‎

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/*
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Library for the CAP1203
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By: Andrea DeVore
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SparkFun Electronics
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Do you like this library? Help support SparkFun. Buy a board!
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This sketch uses the SparkFun_CAP1203 library to initialize
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the capacitive touch sensor and notifies the user when the
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CAP1203 board detects a right or left swipe. Note: the two
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swipe functions pull most available resources for running
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the sensor. As such, refrain from implementing other
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functionality when using the swipe functions.
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License: This code is public domain, but if you see me
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(or any other SparkFun employee) at the local, and you've
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found our code helpful, please buy us a round (Beerware
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license).
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Distributed as is; no warrenty given.
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*/
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#include <SparkFun_CAP1203_Registers.h>
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#include <SparkFun_CAP1203_Types.h>
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#include <Wire.h>
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CAP1203 sensor; // Initialize sensor
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void setup() {
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Wire.begin(); // Join I2C bus
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Serial.begin(9600); // Start serial for output
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// Setup sensor
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if (sensor.begin() == false) {
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Serial.println("Not connected. Please check connections and read the hookup guide.");
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while (1);
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}
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else {
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Serial.println("Connected!");
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}
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}
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void loop() {
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if (sensor.isRightSwipePulled() == true) {
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Serial.println("Right Swipe");
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}
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if (sensor.isLeftSwipePulled() == true) {
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Serial.println("Left Swipe");
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}
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}

‎examples/Example04_PowerButton/Example04_PowerButton.ino‎

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/*
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Library for the CAP1203
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By: Andrea DeVore
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SparkFun Electronics
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Do you like this library? Help support SparkFun. Buy a board!
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This sketch uses the SparkFun_CAP1203 library to initialize
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the capacitive touch sensor, enable the power button feature,
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and to detect when the power button has been pressed. This
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sketch also allows you to choose which pad acts as the power
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button and to customize how long the power button must be
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pressed before its triggered. Note: the pad which is set to
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be the power button will only act as a power button.
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License: This code is public domain, but if you see me
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(or any other SparkFun employee) at the local, and you've
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found our code helpful, please buy us a round (Beerware
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license).
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Distributed as is; no warrenty given.
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*/
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#include <SparkFun_CAP1203_Registers.h>
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#include <SparkFun_CAP1203_Types.h>
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#include <Wire.h>
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CAP1203 sensor; // Initialize sensor
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void setup() {
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Wire.begin(); // Join I2C bus
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Serial.begin(9600); // Start serial for output
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// Setup sensor
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if (sensor.begin() == false) {
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Serial.println("Not connected. Please check connections and read the hookup guide.");
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while (1);
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}
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else {
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Serial.println("Connected!");
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}
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/* SET POWER BUTTON PAD
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Set which pad acts as the power button: PAD_LEFT,PAD_MIDDLE,PAD_RIGHT
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*/
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//sensor.setPowerButtonPad(PAD_LEFT);
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sensor.setPowerButtonPad(PAD_MIDDLE);
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//sensor.setPowerButtonPad(PAD_RIGHT);
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/* GET POWER BUTTON PAD
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Get the current pad which acts as the power button.
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The function returns the pad as an interger which
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maps to a specific position.
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PAD POSITION
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1 Left
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2 Middle
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3 Right
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*/
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int pad = sensor.getPowerButtonPad();
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Serial.print("Power Button Pad: ");
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if (pad == 1) {
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Serial.println("Left");
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}
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else if (pad == 2) {
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Serial.println("Middle");
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}
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if (pad == 3) {
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Serial.println("Right");
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}
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/* SET POWER BUTTON TIME
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Set the length of time (in ms) which the designated
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power button must indicate a touch before being
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recongized as a power button touch.
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*/
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//sensor.setPowerButtonTime(PWR_TIME_280_MS); // 280 ms
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//sensor.setPowerButtonTime(PWR_TIME_560_MS); // 560 ms
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//sensor.setPowerButtonTime(PWR_TIME_1120_MS); // 1120 ms
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sensor.setPowerButtonTime(PWR_TIME_2240_MS); // 2240 ms
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/* GET POWER BUTTON TIME
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Get the length of time the designated power button
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must indicate a touch before being recongized as a
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power button touch.
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*/
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Serial.print("Power Button Time: ");
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Serial.print(sensor.getPowerButtonTime());
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Serial.println(" ms");
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/* SET ENABLE / DISABLE POWER BUTTON
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Enable or disable the power button functionality.
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When the power button is ENABLED, the specified pad
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(from setPowerButtonPad() function) acts as a power
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button. When the power button is DISABLED, all pads
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act as regular capactitive touch sensors.
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*/
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sensor.setPowerButtonEnabled(); // Enable power button
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//sensor.setPowerButtonDisabled(); // Disable power button
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/* IS POWER BUTTON TOUCHED
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Returns the state of the power button. Returns true
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if ENABLED, otherwise returns false.
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*/
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Serial.print("Power Button: ");
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if (sensor.isPowerButtonEnabled() == true) {
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Serial.println("ENABLED");
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}
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else {
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Serial.println("DISABLED");
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}
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}
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void loop() {
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if (sensor.isPowerButtonTouched() == true) {
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Serial.println("Power Button");
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while (sensor.isPowerButtonTouched() == true); // Wait until user removes finger
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}
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}

‎examples/Example05_DetectCurrentTouch/Example05_DetectCurrentTouch.ino‎

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/*
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Library for the CAP1203
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By: Andrea DeVore
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SparkFun Electronics
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Do you like this library? Help support SparkFun. Buy a board!
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This sketch uses the SparkFun_CAP1203 library to initialize
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the capacitive touch sensor and to stream which pad detects
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a touch. This sketch waits until user removes finger from the
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pad to detect the next touch.
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License: This code is public domain, but if you see me
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(or any other SparkFun employee) at the local, and you've
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found our code helpful, please buy us a round (Beerware
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license).
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Distributed as is; no warrenty given.
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*/
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#include <SparkFun_CAP1203_Registers.h>
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#include <SparkFun_CAP1203_Types.h>
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#include <Wire.h>
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CAP1203 sensor; // Initialize sensor
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void setup() {
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Wire.begin(); // Join I2C bus
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Serial.begin(9600); // Start serial for output
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// Setup sensor
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if (sensor.begin() == false) {
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Serial.println("Not connected. Please check connections and read the hookup guide.");
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while (1);
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}
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else {
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Serial.println("Connected!");
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}
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}
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void loop() {
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if (sensor.isLeftTouched() == true) {
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Serial.println("Left");
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while (sensor.isLeftTouched() == true); // Wait until user removes finger
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}
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if (sensor.isMiddleTouched() == true) {
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Serial.println("Middle");
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while (sensor.isMiddleTouched() == true); // Wait until user removes finger
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}
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if (sensor.isRightTouched() == true) {
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Serial.println("Right");
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while (sensor.isRightTouched() == true); // Wait until user removes finger
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}
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}

‎examples/Example06_DisableInterrupt/Example06_DisableInterrupt.ino‎

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/*
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Library for the CAP1203
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By: Andrea DeVore
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SparkFun Electronics
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Do you like this library? Help support SparkFun. Buy a board!
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This sketch uses the SparkFun_CAP1203 library to initialize
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the capacitive touch sensor and disable/enable the interrupt
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pins. Disabling the interrupt pin on the SparkFun CAP1203
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Board turns off the alert LED as well.
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License: This code is public domain, but if you see me
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(or any other SparkFun employee) at the local, and you've
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found our code helpful, please buy us a round (Beerware
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license).
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Distributed as is; no warrenty given.
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*/
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#include <SparkFun_CAP1203_Registers.h>
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#include <SparkFun_CAP1203_Types.h>
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#include <Wire.h>
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CAP1203 sensor; // Initialize sensor
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void setup() {
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Wire.begin(); // Join I2C bus
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Serial.begin(9600); // Start serial for output
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// Setup sensor
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if (sensor.begin() == false) {
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Serial.println("Not connected. Please check connections and read the hookup guide.");
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while (1);
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}
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else {
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Serial.println("Connected!");
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}
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/* SET INTERRUPT DISABLED/ENABLED
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Interrupt is ENABLED as default.
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When the interrupt pin is DISABLED, the alert LED
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does not turn on. When the interrupt pin is ENABLED,
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the alert LED turns on when a touch is detected.
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*/
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sensor.setInterruptDisabled(); // Disable Interrupt
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//sensor.setInterruptEnabled(); // Enable Interrupt
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/* IS INTERRUPT ENABLED
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Check the current status of the interrupt pin.
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Returns true if interrupt pin is enabled and
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false if disabled.
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*/
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Serial.print("Interrupt: ");
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if (sensor.isInterruptEnabled() == true){
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Serial.println("ENABLED");
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}
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else {
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Serial.println("DISABLED");
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}
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}
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void loop() {
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if (sensor.isTouched() == true) {
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Serial.println("Touched!");
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while (sensor.isTouched() == true);
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}
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}

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