MotionEventConverter.h

00001 /* mbed Microcontroller Library
00002  * Copyright (C) 2016 Renesas Electronics Corporation. All rights reserved.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 /**************************************************************************//**
00017 * @file          MotionEventConverter.h
00018 * @brief         MotionEventConverter API
00019 ******************************************************************************/
00020 
00021 #ifndef MOTION_EVENT_CONVERTER_H
00022 #define MOTION_EVENT_CONVERTER_H
00023 
00024 #include "mbed.h"
00025 #include "rtos.h"
00026 #include "MotionEvent.h"
00027 #include "TouchKey.h"
00028 
00029 /**
00030  * A class to communicate a MotionEventConverter
00031  */
00032 class MotionEventConverter {
00033 
00034 public:
00035     /** Constructor
00036      *
00037      */
00038     MotionEventConverter();
00039 
00040     /** Run the touch panel process.
00041      *
00042      *  @param fptr A pointer to a void function
00043      *  @param p_touch pointer of TouchKey class
00044      */
00045     void Process(int (*fptr)(MotionEvent event), TouchKey * p_touch) {
00046         _callback.attach(fptr);
00047         touch_process(p_touch);
00048     }
00049 
00050     /** Run the touch panel process.
00051      *
00052      *  @param tptr pointer to the object to call the member function on
00053      *  @param mptr pointer to the member function to be called
00054      *  @param p_touch pointer of TouchKey class
00055      */
00056     template<typename T>
00057     void Process(T* tptr, int (T::*mptr)(MotionEvent event), TouchKey * p_touch) {
00058         _callback.attach(tptr, mptr);
00059         touch_process(p_touch);
00060     }
00061 
00062 private:
00063     TouchKey *            p_touch;
00064     MotionEventCtl        event;
00065     Timer                 t;
00066     Semaphore             sem_touch_int;
00067     TouchKey::touch_pos_t touch_pos[MotionEvent::TOUCH_NUM_MAX];
00068     TouchKey::touch_pos_t touch_pos_last[MotionEvent::TOUCH_NUM_MAX];
00069     uint32_t              time_cnt;
00070     int                   pidx;
00071     uint8_t               touch_num;
00072     uint8_t               touch_num_last;
00073     FunctionPointerArg1<int, MotionEvent>  _callback;
00074 
00075     void touch_process(TouchKey * p_touch);
00076     void touch_int_callback(void);
00077 };
00078 
00079 #endif