57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
|
|
Arduino.h - Main include file for the Arduino SDK
|
|
Copyright (c) 2005-2013 Arduino Team. All right reserved.
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef MAIN_ESP32_HAL_TOUCH_H_
|
|
#define MAIN_ESP32_HAL_TOUCH_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "esp32-hal.h"
|
|
|
|
/*
|
|
* Set cycles that measurement operation takes
|
|
* The result from touchRead, threshold and detection
|
|
* accuracy depend on these values. Defaults are
|
|
* 0x1000 for measure and 0x1000 for sleep.
|
|
* With default values touchRead takes 0.5ms
|
|
* */
|
|
void touchSetCycles(uint16_t measure, uint16_t sleep);
|
|
|
|
/*
|
|
* Read touch pad (values close to 0 mean touch detected)
|
|
* You can use this method to chose a good threshold value
|
|
* to use as value for touchAttachInterrupt
|
|
* */
|
|
uint16_t touchRead(uint8_t pin);
|
|
|
|
/*
|
|
* Set function to be called if touch pad value falls
|
|
* below the given threshold. Use touchRead to determine
|
|
* a proper threshold between touched and untouched state
|
|
* */
|
|
void touchAttachInterrupt(uint8_t pin, void (*userFunc)(void), uint16_t threshold);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* MAIN_ESP32_HAL_TOUCH_H_ */
|