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王立帮
2024-07-20 22:09:06 +08:00
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arduino-cli/libraries/TTP229/TTP229.h Normal file
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/*********************************** LICENCE **********************************\
| Copyright (c) 2014, A.E. TEC |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| |
| * Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
| * Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions and the following disclaimer in the documentation |
| and/or other materials provided with the distribution. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| POSSIBILITY OF SUCH DAMAGE. |
\******************************************************************************/
/************************************ USES ************************************\
| This library designed to communicate with the TTP229 chip from an Arduino |
| |
| It works with a TTP229 (16-Channel Digital Touch Capacitive Switch Sensor) |
| using the 2-wires serial interface protocol - only 2 arduino pins. |
\******************************************************************************/
/*********************************** CIRCUIT **********************************\
| General: |
| * TTP229 VCC to pin VCC |
| * TTP229 GND to pin GND |
| * TTP229 SCL to any pin you choose... |
| * TTP229 SDO to any pin you choose... |
| |
| 16 Buttons Mode (else 8 Buttons Mode): |
| * TTP229 TP2 to GND via 1 Megohm resistor! |
| # Must use the ReadKey16, GetKeys16... else use the ReadKey8, GetKeys8... |
| |
| Multi Keys Mode (else Single key Mode): |
| * TTP229 TP3 to GND via 1 Megohm resistor! |
| * TTP229 TP4 to GND via 1 Megohm resistor! |
| |
| 64Hz Sampling Rate (else 8Hz Sampling Rate): |
| * TTP229 TP5 to GND via 1 Megohm resistor! |
| |
| 2ms Wake Up Rate (else 4ms Wake Up Rate): |
| * TTP229 TP6 to GND via 1 Megohm resistor! |
| |
| 60sec Key On Timeout (else No Key On Timeout): |
| * TTP229 TP7 to GND via 1 Megohm resistor! |
| |
| Important: |
| * Must reconnect the TTP229 power so the mode changes will take effect |
| * The 1 Megohm resistors already exist on some TTP229 modules |
\******************************************************************************/
#if ARDUINO >= 100
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
#ifndef TTP229_h
#define TTP229_h
class TTP229
{
public:
TTP229(uint8_t sclPin, uint8_t sdoPin);
uint8_t
ReadKey8(),
GetKey8(),
ReadKeys8(),
GetKeys8(),
ReadKey16(),
GetKey16();
uint16_t
ReadKeys16(),
GetKeys16();
private:
void
WaitForTouch(),
Key8(),
Keys8(),
Key16(),
Keys16();
bool
IsTouch(),
GetBit();
uint8_t _sclPin, _sdoPin;
uint8_t _key8, _keys8, _key16;
uint16_t _keys16;
};
#endif