Make jump-to-bootloader.js able to reenumerate the UHK as BusPal proxy.

packages/usb/jump-to-bootloader.js

@@ -6,6 +6,9 @@ let pollingIntervalMs = 100;
 let bootloaderTimeoutMs = 5000;
 let jumped = false;
 
+console.log(process.argv[2])
+let enumerationMode = process.argv[2] === 'buspal' ? uhk.enumerationModes.busPal : uhk.enumerationModes.bootloader;
+
 console.log('Trying to jump to the bootloader...');
 setInterval(() => {
     timeoutMs -= pollingIntervalMs;
@@ -26,8 +29,14 @@ setInterval(() => {
     if (device && !jumped) {
         console.log('UHK found, jumping to bootloader');
         let t =  bootloaderTimeoutMs;
-        device.write(uhk.getTransferData(new Buffer([uhk.usbCommands.jumpToBootloader, 0, t&0xff, (t&0xff<<8)>>8, (t&0xff<<16)>>16, (t&0xff<<24)>>24])));
+        let message = new Buffer([uhk.usbCommands.jumpToBootloader, enumerationMode, t&0xff, (t&0xff<<8)>>8, (t&0xff<<16)>>16, (t&0xff<<24)>>24]);
+        console.log(message);
+        device.write(uhk.getTransferData(message));
         jumped = true;
+
+        if (enumerationMode == uhk.enumerationModes.busPal) {
+            process.exit();
+        }
     }
 
 }, pollingIntervalMs);

packages/usb/uhk.js

@@ -65,6 +65,12 @@ exports = module.exports = moduleExports = {
         readDebugInfo: 17,
         jumpToSlaveBootloader: 18,
     },
+    enumerationModes: {
+        bootloader: 0,
+        busPal: 1,
+        normalKeyboard: 2,
+        compatibleKeyboard: 3,
+    },
     systemPropertyIds: {
         usbProtocolVersion: 0,
         bridgeProtocolVersion: 1,