Added hid device class as an arch utils

src/CMakeData-os.cmake

@@ -1,3 +1,6 @@
+list(APPEND SMDATA_OS_SRC "archutils/Common/HidDevice.cpp")
+list(APPEND SMDATA_OS_HPP "archutils/Common/HidDevice.h")
+
 if(APPLE)
   list(APPEND SMDATA_OS_DARWIN_SRC
               "archutils/Darwin/Crash.mm"

src/archutils/Common/HidDevice.cpp

@@ -0,0 +1,58 @@
+#include "global.h"
+#include "HidDevice.h"
+#include "RageLog.h"
+
+HidDevice::HidDevice(int vid, int pid) :vid(vid), pid(pid)
+{
+	bool result = TryConnect();
+
+	if (!result) {
+
+		LOG->Warn("HID device with VID/PID %x/%x not found.", vid, pid);
+		hid_exit();
+		return;
+	}
+	else
+	{
+		hid_set_nonblocking(handle, 1);
+		foundOnce = true;
+	}
+}
+
+HidDevice::~HidDevice()
+{
+	if (handle)
+		hid_close(handle);
+
+	hid_exit();
+}
+
+bool HidDevice::TryConnect()
+{
+	handle = hid_open(vid, pid, NULL);
+
+	return handle != NULL;
+}
+
+bool HidDevice::IsConnected() {
+	if (!handle && foundOnce)
+		return TryConnect();
+
+	return handle != NULL;
+}
+
+void HidDevice::Read(unsigned char* data, size_t length)
+{
+	if (!IsConnected())
+		return;
+
+	hid_read(handle, data, length);
+}
+
+void HidDevice::Write(const unsigned char* data, size_t length)
+{
+	if (!IsConnected())
+		return;
+
+	hid_write(handle, data, length);
+}

src/archutils/Common/HidDevice.h

@@ -0,0 +1,25 @@
+#ifndef HidDevice_H
+#define HidDevice_H
+
+#include "hidapi.h"
+
+class HidDevice
+{
+private:
+	hid_device* handle;
+	bool foundOnce = false;
+	int vid;
+	int pid;
+
+	bool TryConnect();
+	bool IsConnected();
+public:
+	HidDevice(int vid, int pid);
+
+	virtual ~HidDevice();
+
+	void Read(unsigned char* data, size_t length);
+	void Write(const unsigned char* data, size_t length);
+};
+
+#endif