pxt-ev3/libs/touch-sensor/touch.ts
2018-04-03 04:10:35 -07:00

106 lines
3.4 KiB
TypeScript

// keep TouchSensorEvent in sync with ButtonEvent
namespace sensors {
//% fixedInstances
export class TouchSensor extends internal.AnalogSensor {
private button: brick.Button;
constructor(port: number) {
super(port)
this.button = new brick.Button();
}
_query() {
return this._readPin6() > 2500 ? 1 : 0
}
_info(): string {
return this._query() ? "pres" : "rel";
}
_update(prev: number, curr: number) {
this.button._update(curr > 0)
}
_deviceType() {
return DAL.DEVICE_TYPE_TOUCH
}
/**
* Do something when a touch sensor is touched...
* @param sensor the touch sensor that needs to be clicked or used
* @param event the kind of button gesture that needs to be detected
* @param body code to run when the event is raised
*/
//% help=sensors/touch-sensor/on-event
//% blockId=touchEvent block="on **touch** %this|%event"
//% parts="touch"
//% blockNamespace=sensors
//% this.fieldEditor="ports"
//% weight=99 blockGap=12
//% group="Touch Sensor"
onEvent(ev: ButtonEvent, body: () => void) {
this.button.onEvent(ev, body)
}
/**
* Wait until the touch sensor is touched
* @param sensor the touch sensor that needs to be clicked or used
* @param event the kind of button gesture that needs to be detected
*/
//% help=sensors/touch-sensor/pause-until
//% blockId=touchWaitUntil block="pause until **touch** %this|%event"
//% parts="touch"
//% blockNamespace=sensors
//% this.fieldEditor="ports"
//% weight=98 blockGap=12
//% group="Touch Sensor"
pauseUntil(ev: ButtonEvent) {
this.button.pauseUntil(<ButtonEvent><number>ev);
}
/**
* Check if touch sensor is touched.
* @param sensor the port to query the request
*/
//% help=sensors/touch-sensor/is-pressed
//% block="**touch** %this|is pressed"
//% blockId=touchIsPressed
//% parts="touch"
//% blockNamespace=sensors
//% this.fieldEditor="ports"
//% weight=81 blockGap=8
//% group="Touch Sensor"
isPressed() {
return this.button.isPressed();
}
/**
* Check if touch sensor is touched since it was last checked.
* @param sensor the port to query the request
*/
//% help=sensors/touch-sensor/was-pressed
//% block="**touch** %this|was pressed"
//% blockId=touchWasPressed
//% blockHidden=true
//% parts="touch"
//% blockNamespace=sensors
//% this.fieldEditor="ports"
//% weight=81
//% group="Touch Sensor"
wasPressed() {
return this.button.wasPressed();
}
}
//% whenUsed block="1" weight=95 fixedInstance jres=icons.port1
export const touch1: TouchSensor = new TouchSensor(1)
//% whenUsed block="2" weight=95 fixedInstance jres=icons.port2
export const touch2: TouchSensor = new TouchSensor(2)
//% whenUsed block="3" weight=95 fixedInstance jres=icons.port3
export const touch3: TouchSensor = new TouchSensor(3)
//% whenUsed block="4" weight=95 fixedInstance jres=icons.port4
export const touch4: TouchSensor = new TouchSensor(4)
}