Add the -u, or --overwrite-user-config argument to update-all-firmwares.js and make write-config.js able to read a specified config file.

packages/usb/write-config.js

@@ -1,15 +1,27 @@
 #!/usr/bin/env node
+const program = require('commander');
 const fs = require('fs');
 const uhk = require('./uhk');
 const device = uhk.getUhkDevice();
+require('shelljs/global');
 
+program
+    .usage(`config.bin`)
+    .option('-h, --hardware-config', 'Write the hardware config instead of the user config')
+    .parse(process.argv);
+
+if (program.args.length == 0) {
+    console.error('No binary config file specified.');
+    exit(1);
+}
+
+const configBin = program.args[0];
 const chunkSize = 60;
-
-const isHardwareConfig = process.argv[2] === 'h';
+const isHardwareConfig = program.hardwareConfig;
 const configTypeString = isHardwareConfig ? 'hardware' : 'user';
 let configSize;
 let offset = 0;
-let configBuffer = fs.readFileSync(`${configTypeString}-config.write`);
+let configBuffer = fs.readFileSync(configBin);
 let chunkSizeToRead;
 
 const payload = new Buffer([
@@ -21,17 +33,21 @@ const payload = new Buffer([
 
 device.write(uhk.getTransferData(payload));
 let buffer = Buffer.from(device.readSync());
-configSize = buffer[1] + (buffer[2]<<8);
-console.log(`${configTypeString}configSize:`, configSize);
+configSize = Math.min(buffer[1] + (buffer[2]<<8), configBuffer.length);
 
 while (offset < configSize) {
     const usbCommand = isHardwareConfig ? uhk.usbCommands.writeHardwareConfig : uhk.usbCommands.writeStagingUserConfig;
     chunkSizeToRead = Math.min(chunkSize, configSize - offset);
+
+    if (chunkSizeToRead === 0) {
+        break;
+    }
+
     buffer = Buffer.concat([
         new Buffer([usbCommand, chunkSizeToRead, offset & 0xff, offset >> 8]),
         configBuffer.slice(offset, offset+chunkSizeToRead)
     ]);
-    console.log('write-config-chunk:', uhk.bufferToString(buffer));
+
     device.write(uhk.getTransferData(buffer));
     device.readSync();
     offset += chunkSizeToRead;