get_gesture.ino

/**
 * @example get_gesture.ino
 */
#include <Arduino.h>
#include <String.h>
#include <Wire.h>
 
// 包含gesture_recognizer.h头文件
#include "gesture_recognizer.h"
 
#define INFINITE_LOOP_ON_FAILURE InfiniteLoopOnFailure(__FUNCTION__, __LINE__)
 
namespace {
// 创建 GestureRecognizer 实例, I2C地址为0x39 (GestureRecognizer::kDefaultI2cAddress)
emakefun::GestureRecognizer g_gesture_recognizer;
 
void InfiniteLoopOnFailure(const char* function, const uint32_t line_number) {
  Serial.println(String(F("entering an infinite loop due to failure in ")) + function + F(", at line number: ") + line_number);
  while (true) {
    yield();
  }
}
}  // namespace
 
void setup() {
  Serial.begin(115200);
  Serial.println(F("setup"));
  Wire.begin();
 
  const auto ret = g_gesture_recognizer.Initialize();
 
  if (emakefun::GestureRecognizer::kOK == ret) {
    Serial.println(F("gesture recognizer initialization successful"));
  } else {
    Serial.print(F("gesture recognizer initialization failed: "));
    Serial.println(ret);
    INFINITE_LOOP_ON_FAILURE;
  }
 
  Serial.println(F("setup successful"));
}
 
void loop() {
  // 通过GetGesture获取手势
  const auto gesture = g_gesture_recognizer.GetGesture();
 
  // 如果手势的不为空，则打印出手势的值
  if (gesture != emakefun::GestureRecognizer::kGestureNone) {
    Serial.println(String(F("recognized gesture: ")) + gesture);
  }
}