USBHostKeyboard.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 USBHOSTKEYBOARD_H
00020 #define USBHOSTKEYBOARD_H
00021 
00022 #include "USBHost.h"
00023 
00024 class USBHostKeyboard {
00025 public:
00026     USBHostKeyboard();
00027     bool connected();
00028 
00029     /**
00030      * Attach a callback called when a keyboard is received
00031      *
00032      * @param fptr function pointer
00033      */
00034     void attach(void (*ptr)(uint8_t key)) {
00035         if (ptr != NULL) {
00036             onKey = ptr;
00037         }
00038     }
00039 
00040     /**
00041      * Attach a callback called when a keyboard is received
00042      *
00043      * @param fptr function pointer
00044      */
00045     void attach(void (*ptr)(uint8_t keyCode, uint8_t modifier)) {
00046         if (ptr != NULL) {
00047             onKeyCode = ptr;
00048         }
00049     }
00050 
00051 private:
00052     USBHost * host;
00053     USBDeviceConnected * dev;
00054     Endpoint * int_in;
00055     Endpoint * int_out;
00056     uint8_t report[9];
00057     
00058     bool dev_connected;
00059 
00060     void rxHandler();
00061 
00062     void (*onKey)(uint8_t key);
00063     void (*onKeyCode)(uint8_t key, uint8_t modifier);
00064 
00065     int report_id;
00066     
00067     void init();
00068 
00069 };
00070 
00071 #endif