Daiki Kato / TouchKey_LCD_shield

Touch panel library for GR-PEACH LCD Shield.

Dependents:   GR-PEACH_LCD_shield_touch_sample LCD_shield_config

TouchKey.h@1:538027089976, 2016-09-27 (annotated)

Committer:
dkato
Date:
Tue Sep 27 12:36:07 2016 +0000
Revision:
1:538027089976
Parent:
0:da3d7ba2674b 
Add LCD type RSK TFT.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dkato 0:da3d7ba2674b 1 /* mbed Microcontroller Library
dkato 0:da3d7ba2674b 2 * Copyright (C) 2016 Renesas Electronics Corporation. All rights reserved.
dkato 0:da3d7ba2674b 3 *
dkato 0:da3d7ba2674b 4 * Licensed under the Apache License, Version 2.0 (the "License");
dkato 0:da3d7ba2674b 5 * you may not use this file except in compliance with the License.
dkato 0:da3d7ba2674b 6 * You may obtain a copy of the License at
dkato 0:da3d7ba2674b 7 *
dkato 0:da3d7ba2674b 8 * http://www.apache.org/licenses/LICENSE-2.0
dkato 0:da3d7ba2674b 9 *
dkato 0:da3d7ba2674b 10 * Unless required by applicable law or agreed to in writing, software
dkato 0:da3d7ba2674b 11 * distributed under the License is distributed on an "AS IS" BASIS,
dkato 0:da3d7ba2674b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dkato 0:da3d7ba2674b 13 * See the License for the specific language governing permissions and
dkato 0:da3d7ba2674b 14 * limitations under the License.
dkato 0:da3d7ba2674b 15 */
dkato 0:da3d7ba2674b 16 /**************************************************************************//**
dkato 0:da3d7ba2674b 17 * @file TouchKey.h
dkato 0:da3d7ba2674b 18 * @brief TouchKey API
dkato 0:da3d7ba2674b 19 ******************************************************************************/
dkato 0:da3d7ba2674b 20
dkato 0:da3d7ba2674b 21 #ifndef TOUCH_KEY_H
dkato 0:da3d7ba2674b 22 #define TOUCH_KEY_H
dkato 0:da3d7ba2674b 23
dkato 0:da3d7ba2674b 24 #include "mbed.h"
dkato 0:da3d7ba2674b 25
dkato 0:da3d7ba2674b 26 /**
dkato 0:da3d7ba2674b 27 * The class to acquire touch coordinates
dkato 0:da3d7ba2674b 28 */
dkato 0:da3d7ba2674b 29 class TouchKey {
dkato 0:da3d7ba2674b 30
dkato 0:da3d7ba2674b 31 public:
dkato 0:da3d7ba2674b 32 /** Touch position structure */
dkato 0:da3d7ba2674b 33 typedef struct {
dkato 0:da3d7ba2674b 34 uint32_t x; /**< The position of the x-coordinate. */
dkato 0:da3d7ba2674b 35 uint32_t y; /**< The position of the y-coordinate. */
dkato 0:da3d7ba2674b 36 bool valid; /**< Whether a valid data.. */
dkato 0:da3d7ba2674b 37 } touch_pos_t;
dkato 0:da3d7ba2674b 38
dkato 0:da3d7ba2674b 39
dkato 0:da3d7ba2674b 40 /** Create a TouchKey object
dkato 0:da3d7ba2674b 41 *
dkato 0:da3d7ba2674b 42 * @param tprst tprst pin
dkato 0:da3d7ba2674b 43 * @param tpint tpint pin
dkato 0:da3d7ba2674b 44 */
dkato 0:da3d7ba2674b 45 TouchKey(PinName tprst, PinName tpint) : touch_reset(tprst), touch_int(tpint) {
dkato 0:da3d7ba2674b 46 }
dkato 0:da3d7ba2674b 47
dkato 0:da3d7ba2674b 48 /** Initialization of touch panel IC
dkato 0:da3d7ba2674b 49 *
dkato 0:da3d7ba2674b 50 */
dkato 0:da3d7ba2674b 51 void Reset(void) {
dkato 0:da3d7ba2674b 52 touch_reset = 0;
dkato 0:da3d7ba2674b 53 wait_ms(1);
dkato 0:da3d7ba2674b 54 touch_reset = 1;
dkato 0:da3d7ba2674b 55 }
dkato 0:da3d7ba2674b 56
dkato 0:da3d7ba2674b 57 /** Attach a function to call when touch panel int
dkato 0:da3d7ba2674b 58 *
dkato 0:da3d7ba2674b 59 * @param fptr A pointer to a void function, or 0 to set as none
dkato 0:da3d7ba2674b 60 */
dkato 0:da3d7ba2674b 61 void SetCallback(void (*fptr)(void)) {
dkato 0:da3d7ba2674b 62 touch_int.fall(fptr);
dkato 0:da3d7ba2674b 63 }
dkato 0:da3d7ba2674b 64
dkato 0:da3d7ba2674b 65 /** Attach a member function to call when touch panel int
dkato 0:da3d7ba2674b 66 *
dkato 0:da3d7ba2674b 67 * @param tptr pointer to the object to call the member function on
dkato 0:da3d7ba2674b 68 * @param mptr pointer to the member function to be called
dkato 0:da3d7ba2674b 69 */
dkato 0:da3d7ba2674b 70 template<typename T>
dkato 0:da3d7ba2674b 71 void SetCallback(T* tptr, void (T::*mptr)(void)) {
dkato 0:da3d7ba2674b 72 touch_int.fall(tptr, mptr);
dkato 0:da3d7ba2674b 73 }
dkato 0:da3d7ba2674b 74
dkato 0:da3d7ba2674b 75 /** Get the maximum number of simultaneous touches
dkato 0:da3d7ba2674b 76 *
dkato 0:da3d7ba2674b 77 * @return The maximum number of simultaneous touches.
dkato 0:da3d7ba2674b 78 */
dkato 0:da3d7ba2674b 79 virtual int GetMaxTouchNum(void) = 0;
dkato 0:da3d7ba2674b 80
dkato 0:da3d7ba2674b 81 /** Get the coordinates
dkato 0:da3d7ba2674b 82 *
dkato 0:da3d7ba2674b 83 * @param touch_buff_num The number of structure p_touch.
dkato 0:da3d7ba2674b 84 * @param p_touch Touch position information.
dkato 0:da3d7ba2674b 85 * @return The number of touch points.
dkato 0:da3d7ba2674b 86 */
dkato 0:da3d7ba2674b 87 virtual int GetCoordinates(int touch_buff_num, touch_pos_t * p_touch) = 0;
dkato 0:da3d7ba2674b 88
dkato 0:da3d7ba2674b 89 private:
dkato 0:da3d7ba2674b 90 DigitalOut touch_reset;
dkato 0:da3d7ba2674b 91 InterruptIn touch_int;
dkato 0:da3d7ba2674b 92 };
dkato 0:da3d7ba2674b 93
dkato 0:da3d7ba2674b 94 #endif