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Extract reenumerate() as an async function in reenumerate.js

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László Monda
2018-01-30 18:36:16 +01:00
parent 5099e904fc
commit 88c42d58b1
1 changed files with 33 additions and 21 deletions
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54
packages/usb/reenumerate.js
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@@ -23,29 +23,41 @@ if (enumerationModeId === undefined) {
process.exit(1); process.exit(1);
} }
console.log(`Trying to reenumerate as ${enumerationMode}...`); function reenumerate(enumerationModeId, bootloaderTimeoutMs) {
setInterval(() => { return new Promise((resolve, reject) => {
pollingTimeoutMs -= pollingIntervalMs; console.log(`Trying to reenumerate as ${enumerationMode}...`);
const intervalId = setInterval(() => {
pollingTimeoutMs -= pollingIntervalMs;
const foundDevice = HID.devices().find(device => const foundDevice = HID.devices().find(device =>
device.vendorId === uhk.vendorId && device.productId === uhk.enumerationModeIdToProductId[enumerationModeId]); device.vendorId === uhk.vendorId && device.productId === uhk.enumerationModeIdToProductId[enumerationModeId]);
if (foundDevice) { if (foundDevice) {
console.log(`${enumerationMode} is up`); console.log(`${enumerationMode} is up`);
process.exit(0); resolve();
} clearInterval(intervalId);
return;
}
if (pollingTimeoutMs <= 0) { if (pollingTimeoutMs <= 0) {
console.log(`Couldn't reenumerate as ${enumerationMode}`); console.log(`Couldn't reenumerate as ${enumerationMode}`);
process.exit(1); reject();
} clearInterval(intervalId);
return;
}
let device = uhk.getUhkDevice(); let device = uhk.getUhkDevice();
if (device && !jumped) { if (device && !jumped) {
console.log(`UHK found, reenumerating as ${enumerationMode}`); console.log(`UHK found, reenumerating as ${enumerationMode}`);
let message = new Buffer([uhk.usbCommands.reenumerate, enumerationModeId, ...uhk.uint32ToArray(bootloaderTimeoutMs)]); let message = new Buffer([uhk.usbCommands.reenumerate, enumerationModeId, ...uhk.uint32ToArray(bootloaderTimeoutMs)]);
device.write(uhk.getTransferData(message)); device.write(uhk.getTransferData(message));
jumped = true; jumped = true;
} }
}, pollingIntervalMs); }, pollingIntervalMs);
})
};
(async function() {
await reenumerate(enumerationModeId, bootloaderTimeoutMs);
})();