读取从传感器检测到的手势。您可以使用APDS.gestureAvailable()
函数检查是否检测到手势。
用法
APDS.readGesture()
参数
None。
返回
检测到的手势。可以是以下值之一:
- GESTURE_UP:“up” 手势。
- GESTURE_DOWN:“down” 手势。
- GESTURE_LEFT:“left” 手势。
- GESTURE_RIGHT:“right” 手势。
- GESTURE_NONE:手势与上述任何一项都不匹配。
示例
/*
APDS-9960 - Gesture Sensor
This example reads gesture data from the on-board APDS-9960 sensor of the
Nano 33 BLE Sense board and prints any detected gestures to the Serial Monitor.
Gesture directions are as follows:
- UP: from USB connector towards antenna.
- DOWN: from antenna towards USB connector.
- LEFT: from analog pins side towards digital pins side.
- RIGHT: from digital pins side towards analog pins side.
The circuit:
- Arduino Nano 33 BLE Sense.
This example code is in the public domain.
*/
#include <Arduino_APDS9960.h>
void setup() {
Serial.begin(9600);
while (!Serial);
if (!APDS.begin()) {
Serial.println("Error initializing APDS-9960 sensor.");
}
// For setGestureSensitivity(...), a value between 1 and 100 is required.
// Higher values make the gesture recognition more sensitive but less accurate
// (a wrong gesture may be detected by the sensor). Lower values makes the gesture recognition
// more accurate but less sensitive (some gestures may be missed by the sensor).
// Default value is 80.
//APDS.setGestureSensitivity(80);
Serial.println("Detecting gestures ...");
}
void loop() {
if (APDS.gestureAvailable()) {
// A gesture was detected, read and print to Serial Monitor.
int gesture = APDS.readGesture();
switch (gesture) {
case GESTURE_UP:
Serial.println("Detected UP gesture");
break;
case GESTURE_DOWN:
Serial.println("Detected DOWN gesture");
break;
case GESTURE_LEFT:
Serial.println("Detected LEFT gesture");
break;
case GESTURE_RIGHT:
Serial.println("Detected RIGHT gesture");
break;
default:
// Ignore.
break;
}
}
}
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注:本文由纯净天空筛选整理自arduino.cc大神的英文原创作品 Arduino_APDS9960 - readGesture()。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。