Joined different XboxMsg types into a union

xbox_controller.cpp

@@ -0,0 +1,73 @@
+/* 
+**  Xbox/Xbox360 USB Gamepad Userspace Driver
+**  Copyright (C) 2008 Ingo Ruhnke <grumbel@gmx.de>
+**
+**  This program is free software: you can redistribute it and/or modify
+**  it under the terms of the GNU General Public License as published by
+**  the Free Software Foundation, either version 3 of the License, or
+**  (at your option) any later version.
+**
+**  This program is distributed in the hope that it will be useful,
+**  but WITHOUT ANY WARRANTY; without even the implied warranty of
+**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**  GNU General Public License for more details.
+**
+**  You should have received a copy of the GNU General Public License
+**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdexcept>
+#include <sstream>
+#include "xboxmsg.hpp"
+#include "xbox360_controller.hpp"
+
+XboxController::XboxController(struct usb_device* dev,
+                                     XPadDevice*        dev_type)
+{
+  struct usb_dev_handle* handle = usb_open(dev);
+  if (!handle)
+    {
+      throw std::runtime_error("Error opening Xbox360 controller");
+    }
+  else
+    {
+      if (usb_claim_interface(handle, 0) != 0) // FIXME: bInterfaceNumber shouldn't be hardcoded
+        {
+          throw std::runtime_error("Error couldn't claim the USB interface");
+        }
+    }
+}
+
+void
+XboxController::set_rumble(uint8_t left, uint8_t right)
+{
+  char rumblecmd[] = { 0x00, 0x06, 0x00, r, 0x00, l };
+  usb_interrupt_write(handle, 2, rumblecmd, sizeof(rumblecmd), 0);
+}
+
+void
+XboxController::set_led(uint8_t status)
+{
+  // Controller doesn't have a LED
+}
+
+void
+XboxController::read(XboxGenericMsg& msg);
+{
+  uint8_t data[32];
+  int ret = usb_interrupt_read(handle, 1 /*EndPoint*/, (char*)data, sizeof(data), 0 /*Timeout*/);
+  
+  if (ret < 0)
+    { // Error
+      std::ostringstream str;
+      str << "USBError: " << ret << "\n" << usb_strerror();
+      throw std::runtime_error(str.str());
+    }
+  else if (ret == 20 && data[0] == 0x00 && data[1] == 0x14)
+    {
+      msg.type = GAMEPAD_XBOX;
+      msg.xbox = *reinterpret_cast<XboxMsg*>(data);
+    }
+}
+
+/* EOF */

xbox_controller.hpp

@@ -0,0 +1,49 @@
+/* 
+**  Xbox/Xbox360 USB Gamepad Userspace Driver
+**  Copyright (C) 2008 Ingo Ruhnke <grumbel@gmx.de>
+**
+**  This program is free software: you can redistribute it and/or modify
+**  it under the terms of the GNU General Public License as published by
+**  the Free Software Foundation, either version 3 of the License, or
+**  (at your option) any later version.
+**
+**  This program is distributed in the hope that it will be useful,
+**  but WITHOUT ANY WARRANTY; without even the implied warranty of
+**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**  GNU General Public License for more details.
+**
+**  You should have received a copy of the GNU General Public License
+**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef HEADER_XBOX_CONTROLLER_HPP
+#define HEADER_XBOX_CONTROLLER_HPP
+
+#include <usb.h>
+
+struct XPadDevice;
+
+/** */
+class XboxController
+{
+private:
+  struct usb_device* dev;
+  XPadDevice*        dev_type;
+  struct usb_dev_handle* handle;
+  
+public:
+  XboxController(struct usb_device* dev,
+                    XPadDevice*        dev_type);
+
+  void set_rumble(uint8_t left, uint8_t right);
+  void set_led(uint8_t status);
+  void read(XboxGenericMsg& msg);
+
+private:
+  XboxController (const XboxController&);
+  XboxController& operator= (const XboxController&);
+};
+
+#endif
+
+/* EOF */