obniz/parts/MovementSensor/KXSC7-2050/index.js

obniz sdk for javascript

class KXSC7_2050 {
  constructor() {
    this.keys = ['x', 'y', 'z', 'vcc', 'gnd'];
    this.requiredKeys = ['x', 'y', 'z'];
  }

  static info() {
    return {
      name: 'KXSC7-2050',
    };
  }

  async wired(obniz) {
    this.obniz = obniz;

    obniz.setVccGnd(this.params.vcc, this.params.gnd, '3v');
    this.ad_x = obniz.getAD(this.params.x);
    this.ad_y = obniz.getAD(this.params.y);
    this.ad_z = obniz.getAD(this.params.z);

    await obniz.wait(500);
    let ad = obniz.getAD(this.params.vcc);
    let pwrVoltage = await ad.getWait();
    let horizontalZ = await this.ad_z.getWait();
    let sensitivity = pwrVoltage / 5; //Set sensitivity (unit:V)
    let offsetVoltage = horizontalZ - sensitivity; //Set offset voltage (Output voltage at 0g, unit:V)

    let self = this;
    this.ad_x.start(function(value) {
      self.gravity = (value - offsetVoltage) / sensitivity;
      if (self.onchangex) {
        self.onchangex(self.gravity);
      }
    });

    this.ad_y.start(function(value) {
      self.gravity = (value - offsetVoltage) / sensitivity;
      if (self.onchangey) {
        self.onchangey(self.gravity);
      }
    });

    this.ad_z.start(function(value) {
      self.gravity = (value - offsetVoltage) / sensitivity;
      if (self.onchangez) {
        self.onchangez(self.gravity);
      }
    });
  }
}

if (typeof module === 'object') {
  module.exports = KXSC7_2050;
}