Added MouseController class + example

hardware/arduino/sam/libraries/USBHost/MouseController.cpp

@@ -0,0 +1,96 @@
+/*
+ Copyright (c) 2012 Arduino.  All right reserved.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library 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 Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <MouseController.h>
+
+extern "C" {
+void __mouseControllerEmptyCallback() { }
+}
+
+void mouseClicked()  __attribute__ ((weak, alias("__mouseControllerEmptyCallback")));
+void mouseDragged()  __attribute__ ((weak, alias("__mouseControllerEmptyCallback")));
+void mouseMoved()    __attribute__ ((weak, alias("__mouseControllerEmptyCallback")));
+void mousePressed()  __attribute__ ((weak, alias("__mouseControllerEmptyCallback")));
+void mouseReleased() __attribute__ ((weak, alias("__mouseControllerEmptyCallback")));
+
+int mouseX = 0;
+int mouseY = 0;
+MouseButton mouseButton;
+bool mouseButtonPressed = false;
+
+void MouseController::OnMouseMove(MOUSEINFO *mi) {
+	mouseX += mi->dX;
+	mouseY += mi->dY;
+	if (mouseX < 0)
+		mouseX = 0;
+	if (mouseX > maxX)
+		mouseX = maxX;
+	if (mouseY < 0)
+		mouseY = 0;
+	if (mouseY > maxY)
+		mouseY = maxY;
+	if (mouseButtonPressed)
+		mouseDragged();
+	else
+		mouseMoved();
+}
+
+void MouseController::OnLeftButtonUp(MOUSEINFO *mi) {
+	buttons--;
+	mouseButtonPressed = (buttons > 0);
+	mouseButton = LEFT_BUTTON;
+	mouseReleased();
+	mouseClicked();
+}
+
+void MouseController::OnLeftButtonDown(MOUSEINFO *mi) {
+	buttons++;
+	mouseButtonPressed = (buttons > 0);
+	mouseButton = LEFT_BUTTON;
+	mousePressed();
+}
+
+void MouseController::OnMiddleButtonUp(MOUSEINFO *mi) {
+	buttons--;
+	mouseButtonPressed = (buttons > 0);
+	mouseButton = MIDDLE_BUTTON;
+	mouseReleased();
+	mouseClicked();
+}
+
+void MouseController::OnMiddleButtonDown(MOUSEINFO *mi) {
+	buttons++;
+	mouseButtonPressed = (buttons > 0);
+	mouseButton = MIDDLE_BUTTON;
+	mousePressed();
+}
+
+void MouseController::OnRightButtonUp(MOUSEINFO *mi) {
+	buttons--;
+	mouseButtonPressed = (buttons > 0);
+	mouseButton = RIGHT_BUTTON;
+	mouseReleased();
+	mouseClicked();
+}
+
+void MouseController::OnRightButtonDown(MOUSEINFO *mi) {
+	buttons++;
+	mouseButtonPressed = (buttons > 0);
+	mouseButton = RIGHT_BUTTON;
+	mousePressed();
+}

hardware/arduino/sam/libraries/USBHost/MouseController.h

@@ -0,0 +1,61 @@
+/*
+  Copyright (c) 2012 Arduino.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library 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 Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef MOUSE_CONTROLLER_H
+#define MOUSE_CONTROLLER_H
+
+#include <hidboot.h>
+
+enum MouseButton {
+	LEFT_BUTTON,
+	MIDDLE_BUTTON,
+	RIGHT_BUTTON
+};
+
+extern int mouseX;
+extern int mouseY;
+extern MouseButton mouseButton;
+extern bool mouseButtonPressed;
+
+class MouseController : public MouseReportParser
+{
+public:
+  MouseController(USBHost &usb) : hostMouse(&usb), maxX(640), maxY(480), buttons(0) {
+    hostMouse.SetReportParser(0, this);
+  };
+
+  void setMaxX(int mx) { maxX = mx; };
+  void setMaxY(int my) { maxY = my; };
+
+protected:
+  virtual void OnMouseMove(MOUSEINFO *mi);
+  virtual void OnLeftButtonUp(MOUSEINFO *mi);
+  virtual void OnLeftButtonDown(MOUSEINFO *mi);
+  virtual void OnMiddleButtonUp(MOUSEINFO *mi);
+  virtual void OnMiddleButtonDown(MOUSEINFO *mi);
+  virtual void OnRightButtonUp(MOUSEINFO *mi);
+  virtual void OnRightButtonDown(MOUSEINFO *mi);
+
+private:
+  HIDBoot<HID_PROTOCOL_MOUSE> hostMouse;
+  int maxX;
+  int maxY;
+  int buttons;
+};
+
+#endif

hardware/arduino/sam/libraries/USBHost/examples/MouseController/MouseController.ino

@@ -0,0 +1,51 @@
+
+// Require mouse control library
+#include <MouseController.h>
+
+// Initialize USB Controller
+USBHost usb;
+
+// Attach mouse controller to USB
+MouseController mouse(usb);
+
+// This function intercepts mouse movements
+void mouseMoved() {
+  Serial1.print("Moving mouse: ");
+  Serial1.print(mouseX);
+  Serial1.print(", ");
+  Serial1.println(mouseY);
+}
+
+// This function intercepts mouse movements when a button is pressed
+void mouseDragged() {
+  Serial1.print("DRAG: ");
+  Serial1.print(mouseX);
+  Serial1.print(", ");
+  Serial1.println(mouseY);
+}
+
+// This function intercepts mouse button press
+void mousePressed() {
+  Serial1.print("Pressed: ");
+  Serial1.println(mouseButton);
+}
+
+// This function intercepts mouse button release
+void mouseReleased() {
+  Serial1.print("Released: ");
+  Serial1.println(mouseButton);
+}
+
+void setup()
+{
+  Serial1.begin(115200);
+  Serial1.println("Program started");
+  delay(200);
+}
+
+void loop()
+{
+  // Process USB tasks
+  usb.Task();
+}
+

hardware/arduino/sam/libraries/USBHost/examples/MouseControllerAdvanced/MouseControllerAdvanced.ino

@@ -1,3 +1,5 @@
+// This sketch demonstrate how to use low-level drivers (only for advanced users).
+
 #include <hidboot.h>
 
 class MouseRptParser : public MouseReportParser