Files
agent/packages/usb/uhk.js

129 lines
3.3 KiB
JavaScript
Executable File

const HID = require('node-hid');
// const debug = process.env.DEBUG;
const debug = true;
function bufferToString(buffer) {
let str = '';
for (let i = 0; i < buffer.length; i++) {
let hex = buffer[i].toString(16) + ' ';
if (hex.length <= 2) {
hex = '0' + hex;
}
str += hex;
}
return str;
}
function getUhkDevice() {
const foundDevice = HID.devices().find(device =>
device.vendorId === 0x1d50 && device.productId === 0x6122 &&
((device.usagePage === 128 && device.usage === 129) || device.interface === 0));
if (!foundDevice) {
return null;
}
let hid;
try {
hid = new HID.HID(foundDevice.path);
} catch (error) {
// Already jumped to the bootloader, so ignore this exception.
return null;
}
return hid;
}
function getBootloaderDevice() {
const foundDevice = HID.devices().find(device =>
device.vendorId === 0x1d50 && device.productId === 0x6120);
if (!foundDevice) {
return null;
}
return new HID.HID(foundDevice.path);
}
exports = module.exports = moduleExports = {
bufferToString,
getUhkDevice,
getBootloaderDevice,
getTransferData,
usbCommands: {
getProperty: 0,
jumpToBootloader: 1,
setTestLed: 2,
writeUserConfig: 8,
applyConfig: 9,
setLedPwm: 10,
readAdc: 11,
launchEepromTransfer: 12,
readHardwareConfig: 13,
writeHardwareConfig: 14,
readUserConfig: 15,
getKeyboardState: 16,
readDebugInfo: 17,
jumpToSlaveBootloader: 18,
},
enumerationModes: {
bootloader: 0,
busPal: 1,
normalKeyboard: 2,
compatibleKeyboard: 3,
},
systemPropertyIds: {
usbProtocolVersion: 0,
bridgeProtocolVersion: 1,
dataModelVersion: 2,
firmwareVersion: 3,
hardwareConfigSize: 4,
userConfigSize: 5,
},
eepromTransfer: {
readHardwareConfig: 0,
writeHardwareConfig: 1,
readUserConfig: 2,
writeUserConfig: 3,
},
leftLedDriverAddress: 0b1110100,
rightLedDriverAddress: 0b1110111,
sendLog: sendLog,
readLog: readLog
};
function convertBufferToIntArray(buffer) {
return Array.prototype.slice.call(buffer, 0)
}
function getTransferData(buffer) {
const data = convertBufferToIntArray(buffer)
// if data start with 0 need to add additional leading zero because HID API remove it.
// https://github.com/node-hid/node-hid/issues/187
if (data.length > 0 && data[0] === 0) {
// data.unshift(0) // TODO: This has been commented out because it causes bugs on Linux and Mac. Gotta test it on Windows and fully remove it if possible.
}
// From HID API documentation:
// http://www.signal11.us/oss/hidapi/hidapi/doxygen/html/group__API.html#gad14ea48e440cf5066df87cc6488493af
// The first byte of data[] must contain the Report ID.
// For devices which only support a single report, this must be set to 0x0.
data.unshift(0)
return data
}
function readLog(buffer) {
writeLog('USB[R]: ', buffer)
}
function sendLog(buffer) {
writeLog('USB[W]: ', buffer)
}
function writeLog(prefix, buffer) {
if (!debug) {
return;
}
console.log(prefix + bufferToString(buffer))
}