deepsyx / pigpio-mock Goto Github PK

class Gpio extends EventEmitter {
  constructor(pin, options) {
    super()

const Gpio = require( "pigpio-mock" ).Gpio;

PWM_FREQ = 50;
PWM_RANGE = 1000;

VAL_MIN = 10;
VAL_MAX = 100;

// Output the pwmRange value of the Gpio object prototype
// This should be (and is) the pwmRange function
console.log( "Gpio prototype pwmRange is:", Gpio.prototype.pwmRange );

// Create a Gpio (mock) object
const servo = new Gpio( 17, { mode: Gpio.OUTPUT } );

// Output the pwmRange value of a Gpio instance
// This *should* be a function, but it is actually the current pwmRange value (default=0)
console.log( "Gpio instance pwmRange is:", servo.pwmRange );

// Set PWM freq
servo.pwmFrequency( PWM_FREQ );

// This will fail because it is a function call on an integer value, rather than on the
// desired pwmRange function
servo.pwmRange( PWM_RANGE );

// Write some PWM values
servo.pwmWrite( VAL_MIN );
servo.pwmWrite( VAL_MAX );