37 lines
1.0 KiB
JavaScript
Executable File
37 lines
1.0 KiB
JavaScript
Executable File
#!/usr/bin/env node
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let uhk = require('./uhk');
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let programName = process.argv[1];
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if (process.argv.length !== 6) {
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console.log(`Usage: ${programName} [display 0-255] [left keys 0-255] [unused 0-255] [right keys 0-255]`);
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process.exit(1);
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}
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let pwmOffset = 0;
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let ledDriverAddresses = [uhk.leftLedDriverAddress, uhk.rightLedDriverAddress];
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let ledDriverAddress;
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const FRAME_REGISTER_PWM_FIRST = 0x24;
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uhk.sendUsbPacketsByCallback(() => {
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if (pwmOffset === 0) {
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ledDriverAddress = ledDriverAddresses.shift();
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}
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if (!ledDriverAddress) {
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return;
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}
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let isMatrixA = pwmOffset % 16;
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let argIndex = 2 + (ledDriverAddress == uhk.leftLedDriverAddress ? 0 : 2) + (isMatrixA ? 0 : 1);
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let val = +process.argv[argIndex];
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let buffer = new Buffer([uhk.usbCommands.writeLedDriver, ledDriverAddress,
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9, FRAME_REGISTER_PWM_FIRST+pwmOffset, val, val, val, val, val, val, val, val]);
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pwmOffset += 8;
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if (pwmOffset >= 144) {
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pwmOffset = 0;
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}
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return buffer;
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});
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