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#include <Adafruit_CircuitPlayground.h>
#include <Wire.h>
#include <SPI.h>
// Adjust this number for the sensitivity of the 'click' force
// this strongly depend on the range! for 16G, try 5-10
// for 8G, try 10-20. for 4G try 20-40. for 2G try 40-80
#define CLICKTHRESHHOLD 120
void setup(void) {
while (!Serial);
Serial.begin(9600);
CircuitPlayground.begin();
CircuitPlayground.setAccelRange(LIS3DH_RANGE_2_G); // 2, 4, 8 or 16 G!
// 0 = turn off click detection & interrupt
// 1 = single click only interrupt output
// 2 = double click only interrupt output, detect single click
// Adjust threshhold, higher numbers are less sensitive
CircuitPlayground.setAccelTap(1, CLICKTHRESHHOLD);
// have a procedure called when a tap is detected
attachInterrupt(digitalPinToInterrupt(CPLAY_LIS3DH_INTERRUPT), tapTime, FALLING);
}
void tapTime(void) {
// do something :)
Serial.print("Tap! ");
Serial.println(millis()); // the time
}
void loop() {
/*
// *or* uncomment this for manual polling of tap data
uint8_t click = CircuitPlayground.getAccelTap();
if (click == 0) return;
if (! (click & 0x30)) return;
Serial.print("Click detected (0x"); Serial.print(click, HEX); Serial.print("): ");
if (click & 0x10) Serial.print(" single click");
if (click & 0x20) Serial.print(" double click");
Serial.println();
delay(100);
return;
*/
}