Make update-module-firmware.js more robust and able to recover bricked modules (including the left half) by utilizing the newly added wait-for-kboot-idle.js

packages/usb/wait-for-kboot-idle.js

@@ -0,0 +1,22 @@
+#!/usr/bin/env node
+const uhk = require('./uhk');
+
+function getCurrentKbootCommand() {
+    device.write(uhk.getTransferData(new Buffer([uhk.usbCommands.getDeviceProperty, uhk.devicePropertyIds.currentKbootCommand])));
+    const response = Buffer.from(device.readSync());
+    const currentKbootCommand = response[1];
+    if (currentKbootCommand == 0) {
+        console.log('Bootloader pinged.');
+        process.exit(0);
+    } else {
+        console.log("Cannot ping the bootloader. Please reconnect the left keyboard half. It probably needs several tries, so keep reconnecting until you see this message.");
+    }
+}
+
+const device = uhk.getUhkDevice();
+
+getCurrentKbootCommand();
+
+setInterval(() => {
+    getCurrentKbootCommand();
+}, 500);