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https://github.com/CalcProgrammer1/OpenRGB.git
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100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/*---------------------------------------------------------*\
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| LianLiUniversalScreenController.cpp |
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| Driver for Lian Li 8.8" Universal Screen LEDs |
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| Adam Honse <calcprogrammer1@gmail.com> 17 Dec 2025 |
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| This file is part of the OpenRGB project |
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| SPDX-License-Identifier: GPL-2.0-or-later |
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\*---------------------------------------------------------*/
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#include <cstring>
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#include <iomanip>
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#include <sstream>
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#include "LianLiUniversalScreenController.h"
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LianLiUniversalScreenController::LianLiUniversalScreenController(libusb_device_handle* device)
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{
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dev = device;
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/*-----------------------------------------------------*\
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| Fill in location string with USB ID |
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\*-----------------------------------------------------*/
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libusb_device_descriptor descriptor;
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libusb_get_device_descriptor(libusb_get_device(dev), &descriptor);
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std::stringstream location_stream;
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location_stream << std::hex << std::setfill('0') << std::setw(4) << descriptor.idVendor << ":" << std::hex << std::setfill('0') << std::setw(4) << descriptor.idProduct;
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location = location_stream.str();
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/*-----------------------------------------------------*\
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| Fill in the serial string from the string descriptor |
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\*-----------------------------------------------------*/
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char serialStr[64];
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int ret = libusb_get_string_descriptor_ascii(dev, descriptor.iSerialNumber, reinterpret_cast<unsigned char*>(serialStr), sizeof(serialStr));
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if(ret > 0)
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{
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serial = std::string(serialStr, ret);
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}
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}
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LianLiUniversalScreenController::~LianLiUniversalScreenController()
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{
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if(dev)
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{
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libusb_close(dev);
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}
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}
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std::string LianLiUniversalScreenController::GetLocation()
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{
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return("USB: " + location);
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}
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std::string LianLiUniversalScreenController::GetSerial()
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{
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return(serial);
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}
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std::string LianLiUniversalScreenController::GetVersion()
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{
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return("");
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}
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void LianLiUniversalScreenController::SetLedColors(RGBColor* colors, size_t count)
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{
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unsigned char leds_in_packet = 20;
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unsigned char offset = 0;
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unsigned char usb_buf[64];
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memset(usb_buf, 0, sizeof(usb_buf));
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do
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{
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usb_buf[0] = 0x11;
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usb_buf[1] = offset;
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usb_buf[2] = 0;
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usb_buf[3] = 0;
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if((count - offset) < leds_in_packet)
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{
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leds_in_packet = count - offset;
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}
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for(std::size_t led_idx = 0; led_idx < leds_in_packet; led_idx++)
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{
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usb_buf[4 + (led_idx * 3)] = RGBGetRValue(colors[offset + led_idx]);
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usb_buf[5 + (led_idx * 3)] = RGBGetGValue(colors[offset + led_idx]);
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usb_buf[6 + (led_idx * 3)] = RGBGetBValue(colors[offset + led_idx]);
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}
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offset += leds_in_packet;
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int actual_length = sizeof(usb_buf);
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libusb_bulk_transfer(dev, 1, usb_buf, sizeof(usb_buf), &actual_length, 25);
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} while( offset < count );
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}
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