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Train controller example

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Nathan Kunicki 2018-08-08 16:20:46 +01:00
parent 00cdfa4645
commit 1de396d1be
1 changed files with 20 additions and 17 deletions
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37
examples/train_controller.js
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@ -53,57 +53,60 @@ const trains = [
]; ];
let currentTrain = 0;
poweredUP.on("discover", async (hub) => { poweredUP.on("discover", async (hub) => {
if (hub instanceof PoweredUP.PUPRemote) { if (hub instanceof PoweredUP.PUPRemote) {
await hub.connect();
hub._currentTrain = 0;
hub.on("button", (button, state) => { hub.on("button", (button, state) => {
switch (button) { switch (button) {
case "GREEN": { case "GREEN": {
if (state === PoweredUP.Consts.ButtonStates.PRESSED) { if (state === PoweredUP.Consts.ButtonStates.PRESSED) {
currentTrain++; hub._currentTrain++;
if (currentTrain >= trains.length) { if (hub._currentTrain >= trains.length) {
currentTrain = 0; hub._currentTrain = 0;
} }
hub.setLEDColor(trains[currentTrain].color); hub.setLEDColor(trains[hub._currentTrain].color);
console.log(`Switched active train to ${trains[currentTrain].name}`); console.log(`Switched active train to ${trains[hub._currentTrain].name}`);
} }
break; break;
} }
case "LEFT": { case "LEFT": {
trains[currentTrain]._speed = trains[currentTrain]._speed || 0; trains[hub._currentTrain]._speed = trains[hub._currentTrain]._speed || 0;
if (state === PoweredUP.Consts.ButtonStates.UP) { if (state === PoweredUP.Consts.ButtonStates.UP) {
trains[currentTrain]._speed += 10; trains[hub._currentTrain]._speed += 10;
if (trains[currentTrain]._speed > 100) { if (trains[hub._currentTrain]._speed > 100) {
trains[currentTrain]._speed = 100; trains[hub._currentTrain]._speed = 100;
} }
} else if (state === PoweredUP.Consts.ButtonStates.DOWN) { } else if (state === PoweredUP.Consts.ButtonStates.DOWN) {
trains[currentTrain]._speed -= 10; trains[hub._currentTrain]._speed -= 10;
if (trains[currentTrain]._speed < 0) { if (trains[hub._currentTrain]._speed < 0) {
trains[currentTrain]._speed = 0; trains[hub._currentTrain]._speed = 0;
} }
} }
for (let trainHub in trains[currentTrain].hubs) { for (let trainHub in trains[hub._currentTrain].hubs) {
if (trainHub._hub) { if (trainHub._hub) {
for (let port in trainHub.ports) { for (let port in trainHub.ports) {
trainHub.reverse = trainHub.reverse || []; trainHub.reverse = trainHub.reverse || [];
trainHub._hub.setMotorSpeed(port, trainHub.reverse.indexOf(port) >= 0 ? -trains[currentTrain].speed : trains[currentTrain].speed); trainHub._hub.setMotorSpeed(port, trainHub.reverse.indexOf(port) >= 0 ? -trains[hub._currentTrain].speed : trains[hub._currentTrain].speed);
} }
} }
} }
console.log(`Set ${trains[currentTrain].name} speed to ${trains[currentTrain]._speed}`); console.log(`Set ${trains[hub._currentTrain].name} speed to ${trains[hub._currentTrain]._speed}`);
} }
} }
}); });
hub.setLEDColor(trains[currentTrain].color); hub.setLEDColor(trains[hub._currentTrain].color);
console.log(`Connected to Powered UP remote (${hub.name})`);
return; return;
} }
for (let train in trains) { for (let train in trains) {
for (let trainHub in train.hubs) { for (let trainHub in train.hubs) {
if (hub.name === trainHub.name) { if (hub.name === trainHub.name) {
await hub.connect();
trainHub._hub = hub; trainHub._hub = hub;
hub.setLEDColor(train.color); hub.setLEDColor(train.color);
console.log(`Connected to ${train.name} (${hub.name})`); console.log(`Connected to ${train.name} (${hub.name})`);