Publish LumaOps source

2026-09-03 01:18:36 +02:00
commit 7f1c0e5f71
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+/*---------------------------------------------------------*\
+| LenovoUSBController.cpp                                   |
+|                                                           |
+|   Driver for Lenovo USB devices                           |
+|                                                           |
+|   Cooper Hall (geobot19)                      17 Apr 2022 |
+|                                                           |
+|   This file is part of the OpenRGB project                |
+|   SPDX-License-Identifier: GPL-2.0-or-later               |
+\*---------------------------------------------------------*/
+
+#include "LenovoUSBController.h"
+#include "LogManager.h"
+#include "StringUtils.h"
+
+using namespace std;
+
+LenovoUSBController::LenovoUSBController(hid_device* dev_handle, const char* path, uint16_t in_pid, std::string dev_name)
+{
+    dev                     = dev_handle;
+    location                = path;
+    pid                     = in_pid;
+    name                    = dev_name;
+
+    setDeviceSoftwareMode();
+}
+
+LenovoUSBController::~LenovoUSBController()
+{
+    hid_close(dev);
+}
+
+uint16_t LenovoUSBController::getPid()
+{
+    return pid;
+}
+
+string LenovoUSBController::getName()
+{
+    return name;
+}
+
+string LenovoUSBController::getLocation()
+{
+    return location;
+}
+
+void LenovoUSBController::setZoneLeds(uint8_t zone_num, vector<pair<uint8_t, RGBColor>> &led_colors)
+{
+    for(size_t curr = 0; curr < led_colors.size();)
+    {
+        uint8_t buffer[LENOVO_HID_PACKET_SIZE] = {LENOVO_INSTRUCTION_START, (uint8_t) (LENOVO_ZONE_ID_0+zone_num), 0, 0};
+
+        /*---------------------------------------------------------*\
+        | Set the colour bytes in the packet                        |
+        | buffer[2] is required to know the amount of leds in packet|
+        | so it is set here as well                                 |
+        \*---------------------------------------------------------*/
+        for(; buffer[2] < LENOVO_MAX_LEDS_PER_PACKET && curr < led_colors.size(); ++buffer[2])
+        {
+            uint8_t offset     = (buffer[2] * 4) + 4;
+
+            /*------------------*\
+            |write the led number|
+            \*------------------*/
+            buffer[offset]     = led_colors[curr].first;
+            /*--------------*\
+            |write the colors|
+            \*--------------*/
+            buffer[offset + 1] = RGBGetRValue(led_colors[curr].second);
+            buffer[offset + 2] = RGBGetGValue(led_colors[curr].second);
+            buffer[offset + 3] = RGBGetBValue(led_colors[curr].second);
+
+            ++curr;
+        }
+
+        hid_send_feature_report(dev, buffer, LENOVO_HID_PACKET_SIZE);
+    }
+}
+
+void LenovoUSBController::setSingleLED(uint8_t zone_num, uint8_t led_num, RGBColor color)
+{
+    uint8_t buffer[LENOVO_HID_PACKET_SIZE] = {LENOVO_INSTRUCTION_START, (uint8_t) (LENOVO_ZONE_ID_0+zone_num), 1, 0, led_num, (uint8_t) (RGBGetRValue(color)), (uint8_t) (RGBGetGValue(color)), (uint8_t) (RGBGetBValue(color))};
+    hid_send_feature_report(dev, buffer, LENOVO_HID_PACKET_SIZE);
+}
+
+void LenovoUSBController::sendBasicInstruction(uint8_t instruction)
+{
+    uint8_t buffer[LENOVO_HID_PACKET_SIZE] = {LENOVO_INSTRUCTION_START, instruction};
+    hid_send_feature_report(dev, buffer, LENOVO_HID_PACKET_SIZE);
+}
+
+vector<uint8_t> LenovoUSBController::getInformation(uint8_t information_id)
+{
+    uint8_t buffer[LENOVO_HID_PACKET_SIZE] = {LENOVO_INSTRUCTION_START, information_id};
+    hid_send_feature_report(dev, buffer, LENOVO_HID_PACKET_SIZE);
+    uint8_t read_buffer[LENOVO_HID_PACKET_SIZE] = {LENOVO_INSTRUCTION_START};
+    int num_bytes = hid_get_feature_report(dev, read_buffer, LENOVO_HID_PACKET_SIZE);
+    if(num_bytes > 0)
+    {
+        vector<uint8_t> response(&read_buffer[0], &read_buffer[num_bytes]);
+        return response;
+    }
+    return vector<uint8_t>();
+}
+
+void LenovoUSBController::setDeviceSoftwareMode()
+{
+    /*---------------------------------------*\
+    | this is required for the device listen  |
+    | to the software protocol                |
+    \*---------------------------------------*/
+    sendBasicInstruction(0xB2);
+}
+
+void LenovoUSBController::setDeviceHardwareMode()
+{
+    /*---------------------------------------*\
+    |releases the device from sofware mode so |
+    |that onboard controlls can be used       |
+    |this has not been shown to happen between|
+    |reboots                                  |
+    \*---------------------------------------*/
+    sendBasicInstruction(0xB1);
+}