Add NVIDIA ESA support - Closes #2236

Controllers/NvidiaESAController/NvidiaESAController.cpp

@@ -0,0 +1,68 @@
+/*-----------------------------------------*\
+|  NvidiaESAController.cpp                  |
+|                                           |
+|  Driver for Nvidia ESA lighting           |
+|  controller                               |
+|                                           |
+|  Guimard Morgan (morg) 2/18/2022          |
+\*-----------------------------------------*/
+#include "NvidiaESAController.h"
+#include <string.h>
+
+NvidiaESAController::NvidiaESAController(hid_device* dev_handle, const hid_device_info& info)
+{
+    dev                 = dev_handle;
+    location            = info.path;
+    version             = "";
+
+    wchar_t serial_string[128];
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        serial_number = "";
+    }
+    else
+    {
+        std::wstring return_wstring = serial_string;
+        serial_number = std::string(return_wstring.begin(), return_wstring.end());
+    }
+
+}
+
+NvidiaESAController::~NvidiaESAController()
+{
+    hid_close(dev);
+}
+
+std::string NvidiaESAController::GetDeviceLocation()
+{
+    return("HID: " + location);
+}
+
+std::string NvidiaESAController::GetSerialString()
+{
+    return(serial_number);
+}
+
+std::string NvidiaESAController::GetFirmwareVersion()
+{
+    return(version);
+}
+
+void NvidiaESAController::SetZoneColor(unsigned int zone_idx, RGBColor color)
+{
+    unsigned char red = 0x0F - 0x0F * RGBGetRValue(color) / 255.0;
+    unsigned char grn = 0x0F - 0x0F * RGBGetGValue(color) / 255.0;
+    unsigned char blu = 0x0F - 0x0F * RGBGetBValue(color) / 255.0;
+
+    unsigned char usb_buf[4];
+
+    usb_buf[0x00] = 0x42 + zone_idx;
+
+    usb_buf[0x01] = red;
+    usb_buf[0x02] = grn;
+    usb_buf[0x03] = blu;
+
+    hid_write(dev, usb_buf, 4);
+}