Publish LumaOps source
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LumaOps release export
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/*---------------------------------------------------------*\
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| CorsairHydroController.cpp |
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| Driver for Corsair Hydro Series coolers |
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| Adam Honse (calcprogrammer1@gmail.com) 17 Aug 2020 |
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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 "CorsairHydroController.h"
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CorsairHydroController::CorsairHydroController(libusb_device_handle* dev_handle, std::string dev_name)
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{
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dev = dev_handle;
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name = dev_name;
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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_handle), &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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SendInit();
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SendFirmwareRequest();
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}
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CorsairHydroController::~CorsairHydroController()
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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 CorsairHydroController::GetFirmwareString()
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{
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return(firmware_version);
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}
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std::string CorsairHydroController::GetLocation()
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{
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return("USB: " + location);
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}
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std::string CorsairHydroController::GetNameString()
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{
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return(name);
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}
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void CorsairHydroController::SetBlink
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(
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std::vector<RGBColor> & colors,
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unsigned char speed
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)
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{
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SendColors(colors);
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SendSpeed(speed);
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SendApplyBlink();
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}
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void CorsairHydroController::SetFixed
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(
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std::vector<RGBColor> & colors
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)
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{
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SendColors(colors);
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/*-----------------------------------------------------*\
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| Fixed mode seems to just be shift mode with the same |
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| value for both colors |
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\*-----------------------------------------------------*/
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SendApplyShift();
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}
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void CorsairHydroController::SetPulse
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(
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std::vector<RGBColor> & colors,
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unsigned char speed
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)
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{
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SendColors(colors);
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SendSpeed(speed);
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SendApplyPulse();
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}
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void CorsairHydroController::SetShift
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(
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std::vector<RGBColor> & colors,
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unsigned char speed
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)
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{
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SendColors(colors);
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SendSpeed(speed);
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SendApplyShift();
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}
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/*-------------------------------------------------------------------------------------------------*\
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| Private packet sending functions. |
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\*-------------------------------------------------------------------------------------------------*/
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void CorsairHydroController::SendApplyBlink()
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{
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unsigned char usb_buf[3];
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int actual;
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/*-----------------------------------------------------*\
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| Zero out buffer |
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\*-----------------------------------------------------*/
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memset(usb_buf, 0, sizeof(usb_buf));
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/*-----------------------------------------------------*\
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| Set up Apply Blink packet |
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\*-----------------------------------------------------*/
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usb_buf[0] = 0x58;
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usb_buf[1] = 0x01;
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/*-----------------------------------------------------*\
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| Send packet |
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\*-----------------------------------------------------*/
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libusb_bulk_transfer(dev, 0x01, usb_buf, 2, &actual, 1000);
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libusb_bulk_transfer(dev, 0x81, usb_buf, 3, &actual, 1000);
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}
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void CorsairHydroController::SendApplyPulse()
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{
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unsigned char usb_buf[3];
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int actual;
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/*-----------------------------------------------------*\
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| Zero out buffer |
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\*-----------------------------------------------------*/
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memset(usb_buf, 0, sizeof(usb_buf));
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/*-----------------------------------------------------*\
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| Set up Apply Pulse packet |
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\*-----------------------------------------------------*/
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usb_buf[0] = 0x52;
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usb_buf[1] = 0x01;
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/*-----------------------------------------------------*\
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| Send packet |
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\*-----------------------------------------------------*/
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libusb_bulk_transfer(dev, 0x01, usb_buf, 2, &actual, 1000);
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libusb_bulk_transfer(dev, 0x81, usb_buf, 3, &actual, 1000);
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}
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void CorsairHydroController::SendApplyShift()
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{
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unsigned char usb_buf[3];
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int actual;
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/*-----------------------------------------------------*\
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| Zero out buffer |
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\*-----------------------------------------------------*/
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memset(usb_buf, 0, sizeof(usb_buf));
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/*-----------------------------------------------------*\
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| Set up Apply Shift packet |
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\*-----------------------------------------------------*/
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usb_buf[0] = 0x55;
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usb_buf[1] = 0x01;
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/*-----------------------------------------------------*\
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| Send packet |
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\*-----------------------------------------------------*/
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libusb_bulk_transfer(dev, 0x01, usb_buf, 2, &actual, 1000);
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libusb_bulk_transfer(dev, 0x81, usb_buf, 3, &actual, 1000);
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}
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void CorsairHydroController::SendFirmwareRequest()
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{
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unsigned char usb_buf[8];
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int actual;
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/*-----------------------------------------------------*\
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| Zero out buffer |
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\*-----------------------------------------------------*/
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memset(usb_buf, 0, sizeof(usb_buf));
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/*-----------------------------------------------------*\
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| Set up Firmware Request packet |
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\*-----------------------------------------------------*/
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usb_buf[0] = 0xAA;
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/*-----------------------------------------------------*\
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| Send packet |
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\*-----------------------------------------------------*/
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libusb_bulk_transfer(dev, 0x01, usb_buf, 1, &actual, 1000);
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libusb_bulk_transfer(dev, 0x81, usb_buf, 7, &actual, 1000);
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firmware_version = std::to_string(usb_buf[3]) + "." + std::to_string(usb_buf[4]) + "." + std::to_string(usb_buf[5]) + "." + std::to_string(usb_buf[6]);
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}
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void CorsairHydroController::SendColors
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(
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std::vector<RGBColor> & colors
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)
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{
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unsigned char usb_buf[23];
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int actual;
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/*-----------------------------------------------------*\
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| Zero out buffer |
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\*-----------------------------------------------------*/
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memset(usb_buf, 0, sizeof(usb_buf));
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/*-----------------------------------------------------*\
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| Set up Send Colors packet |
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\*-----------------------------------------------------*/
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usb_buf[0] = 0x56;
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usb_buf[1] = (unsigned char)colors.size();
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/*---------------------------------------------------------*\
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| Fill in colors from vector |
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\*---------------------------------------------------------*/
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for(std::size_t color_idx = 0; color_idx < colors.size(); color_idx++)
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{
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usb_buf[(color_idx * 3) + 2] = RGBGetRValue(colors[color_idx]);
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usb_buf[(color_idx * 3) + 3] = RGBGetGValue(colors[color_idx]);
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usb_buf[(color_idx * 3) + 4] = RGBGetBValue(colors[color_idx]);
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/*---------------------------------------------------------*\
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| If the color vector only has one entry, duplicate it, as |
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| the controller appears to require two colors in order to |
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| update. |
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\*---------------------------------------------------------*/
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if((color_idx == 0) && colors.size() == 1)
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{
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usb_buf[1] = (unsigned char)colors.size() + 1;
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usb_buf[(color_idx * 3) + 5] = RGBGetRValue(colors[color_idx]);
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usb_buf[(color_idx * 3) + 6] = RGBGetGValue(colors[color_idx]);
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usb_buf[(color_idx * 3) + 7] = RGBGetBValue(colors[color_idx]);
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}
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}
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/*-----------------------------------------------------*\
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| Send packet |
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\*-----------------------------------------------------*/
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libusb_bulk_transfer(dev, 0x01, usb_buf, 2 + (usb_buf[1] * 3), &actual, 1000);
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libusb_bulk_transfer(dev, 0x81, usb_buf, 3, &actual, 1000);
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}
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void CorsairHydroController::SendInit()
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{
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/*-----------------------------------------------------*\
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| Send packet |
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\*-----------------------------------------------------*/
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libusb_control_transfer( dev, 0x40, 0x00, 0xffff, 0x0000, NULL, 0, 0 );
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libusb_control_transfer( dev, 0x40, 0x02, 0x0002, 0x0000, NULL, 0, 0 );
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}
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void CorsairHydroController::SendSpeed
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(
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unsigned char speed
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)
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{
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unsigned char usb_buf[3];
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int actual;
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/*-----------------------------------------------------*\
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| Zero out buffer |
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\*-----------------------------------------------------*/
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memset(usb_buf, 0, sizeof(usb_buf));
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/*-----------------------------------------------------*\
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| Set up Send Speed packet |
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\*-----------------------------------------------------*/
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usb_buf[0] = 0x53;
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usb_buf[1] = speed;
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/*-----------------------------------------------------*\
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| Send packet |
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\*-----------------------------------------------------*/
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libusb_bulk_transfer(dev, 0x01, usb_buf, 2, &actual, 1000);
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libusb_bulk_transfer(dev, 0x81, usb_buf, 3, &actual, 1000);
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}
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