35 lines
1.6 KiB
JavaScript
Executable File
35 lines
1.6 KiB
JavaScript
Executable File
#!/usr/bin/env node
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const fs = require('fs');
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const uhk = require('./uhk');
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const device = uhk.getUhkDevice();
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const chunkSize = 63;
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let isHardwareConfig = process.argv[2] === 'h';
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let configTypeString = isHardwareConfig ? 'hardware' : 'user';
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let offset = 0;
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let configBuffer = new Buffer(0);
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let chunkSizeToRead;
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const payload = new Buffer([uhk.usbCommands.getDeviceProperty, uhk.devicePropertyIds.configSizes]);
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device.write(uhk.getTransferData(payload));
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let buffer = Buffer.from(device.readSync());
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const hardwareConfigMaxSize = buffer[1] + (buffer[2]<<8);
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const userConfigMaxSize = buffer[3] + (buffer[4]<<8);
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const configMaxSize = isHardwareConfig ? hardwareConfigMaxSize : userConfigMaxSize;
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const configSize = Math.min(configMaxSize, configBuffer.length);
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console.log(`${configTypeString}configSize:`, configSize);
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while (offset < configSize) {
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const configBufferId = isHardwareConfig ? uhk.configBufferIds.hardwareConfig : uhk.configBufferIds.validatedUserConfig;
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chunkSizeToRead = Math.min(chunkSize, configSize - offset);
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buffer = Buffer.from([uhk.usbCommands.readConfig, configBufferId, chunkSizeToRead, offset & 0xff, offset >> 8]);
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console.log('write to keyboard', uhk.bufferToString(buffer));
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device.write(uhk.getTransferData(buffer));
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buffer = Buffer.from(device.readSync());
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console.log('read-config-chunk', uhk.bufferToString(buffer));
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configBuffer = Buffer.concat([configBuffer, new Buffer(buffer.slice(1, chunkSizeToRead + 1))]);
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offset += chunkSizeToRead
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}
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console.log('read ', uhk.bufferToString(configBuffer));
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fs.writeFileSync(`${configTypeString}-config.read`, configBuffer);
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