USBHostMouse.h

00001 /* Copyright (c) 2010-2011 mbed.org, MIT License
00002 *
00003 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004 * and associated documentation files (the "Software"), to deal in the Software without
00005 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
00006 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
00007 * Software is furnished to do so, subject to the following conditions:
00008 *
00009 * The above copyright notice and this permission notice shall be included in all copies or
00010 * substantial portions of the Software.
00011 *
00012 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017 */
00018 
00019 #ifndef USBHOSTMOUSE_H
00020 #define USBHOSTMOUSE_H
00021 
00022 #include "USBHost.h"
00023 
00024 class USBHostMouse {
00025 public:
00026 
00027     /*
00028     * Constructor
00029     */
00030     USBHostMouse();
00031 
00032     /*
00033     * Check if a serial port device is connected
00034     *
00035     * @returns true if a serial device is connected
00036     */
00037     bool connected();
00038 
00039     /**
00040      * Attach a callback called when a mouse event is received
00041      *
00042      * @param fptr function pointer
00043      */
00044     void attach(void (*ptr)(uint8_t buttons, int8_t x, int8_t y, int8_t z)) {
00045         if (ptr != NULL) {
00046             onUpdate = ptr;
00047         }
00048     }
00049 
00050 private:
00051     USBHost * host;
00052     USBDeviceConnected * dev;
00053     Endpoint * int_in;
00054     Endpoint * int_out;
00055     uint8_t report[4];
00056     
00057     bool dev_connected;
00058 
00059     void rxHandler();
00060 
00061     void (*onUpdate)(uint8_t buttons, int8_t x, int8_t y, int8_t z);
00062 
00063     int report_id;
00064     
00065     void init();
00066 
00067 };
00068 
00069 #endif