78 lines
2.7 KiB
JavaScript
78 lines
2.7 KiB
JavaScript
/*
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*
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* This example allows you to connect Vernie and a Powered UP Remote Control to your laptop, and enables the control of Vernie with the Remote.
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*
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*/
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const PoweredUP = require("..");
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const poweredUP = new PoweredUP.PoweredUP();
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poweredUP.scan(); // Start scanning
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console.log("Looking for train and remote...");
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const TRAIN_LED_COLOR = PoweredUP.Consts.Color.PURPLE;
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let trainHub = null;
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let trainMotor = null;
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let remoteHub = null;
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let remoteButtonLeft = null;
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let remoteButtonRight = null;
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let currentSpeed = 0;
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poweredUP.on("discover", async (hub) => { // Wait to discover Vernie and Remote
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if (hub.type === PoweredUP.Consts.HubType.HUB) {
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trainHub = hub;
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await trainHub.connect();
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const led = await trainHub.waitForDeviceByType(PoweredUP.Consts.DeviceType.HUB_LED);
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trainMotor = await trainHub.waitForDeviceByType(PoweredUP.Consts.DeviceType.MEDIUM_LINEAR_MOTOR);
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led.setColor(TRAIN_LED_COLOR);
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console.log(`Connected to train (${trainHub.name})!`);
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if (trainHub && remoteHub) {
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console.log("You're now ready to go!");
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}
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} else if (hub.type === PoweredUP.Consts.HubType.REMOTE_CONTROL) {
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remoteHub = hub;
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await remoteHub.connect();
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const led = await remoteHub.waitForDeviceByType(PoweredUP.Consts.DeviceType.HUB_LED);
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remoteButtonLeft = await remoteHub.waitForDeviceAtPort("LEFT");
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remoteButtonRight = await remoteHub.waitForDeviceAtPort("RIGHT");
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led.setColor(TRAIN_LED_COLOR);
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remoteButtonLeft.on("remoteButton", ({ event }) => {
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if (trainMotor) {
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if (event === PoweredUP.Consts.ButtonState.UP) {
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currentSpeed += 10;
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} else if (event === PoweredUP.Consts.ButtonState.DOWN) {
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currentSpeed -= 10;
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} else if (event === PoweredUP.Consts.ButtonState.STOP) {
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currentSpeed = 0;
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}
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trainMotor.setSpeed(currentSpeed);
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}
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});
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remoteButtonRight.on("remoteButton", ({ event }) => {
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if (trainMotor) {
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if (event === PoweredUP.Consts.ButtonState.UP) {
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currentSpeed += 1;
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} else if (event === PoweredUP.Consts.ButtonState.DOWN) {
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currentSpeed -= 1;
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} else if (event === PoweredUP.Consts.ButtonState.STOP) {
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currentSpeed = 0;
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}
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trainMotor.setSpeed(currentSpeed);
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}
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});
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console.log(`Connected to remote (${remoteHub.name})!`);
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if (trainHub && remoteHub) {
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console.log("You're now ready to go!");
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}
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}
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}); |