43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
namespace input {
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//% fixedInstances
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export class UltraSonicSensor extends internal.UartSensor {
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constructor(port: number) {
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super(port)
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}
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_deviceType() {
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return DAL.DEVICE_TYPE_ULTRASONIC
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}
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/**
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* Gets the distance from the sonar in millimeters
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* @param sensor the ultrasonic sensor port
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*/
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//% help=input/ultrasonic/distance
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//% block="%sensor|distance"
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//% blockId=sonarGetDistance
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//% parts="ultrasonic"
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//% blockNamespace=input
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//% weight=65 blockGap=8
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//% group="Ultrasonic sensor"
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distance() {
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// it supposedly also has an inch mode, but we stick to mm
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this._setMode(0)
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return this.getNumber(NumberFormat.UInt16LE, 0) & 0x0fff
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}
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}
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//% fixedInstance whenUsed block="ultrasonic sensor 1"
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export const ultrasonic1: UltraSonicSensor = new UltraSonicSensor(1)
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//% fixedInstance whenUsed block="ultrasonic sensor 1"
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export const ultrasonic2: UltraSonicSensor = new UltraSonicSensor(2)
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//% fixedInstance whenUsed block="ultrasonic sensor 1"
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export const ultrasonic3: UltraSonicSensor = new UltraSonicSensor(3)
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//% fixedInstance whenUsed block="ultrasonic sensor 1"
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export const ultrasonic4: UltraSonicSensor = new UltraSonicSensor(4)
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}
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