137 lines
5.1 KiB
C
137 lines
5.1 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_NEW_H_
|
|
#define MAIN_ESP32_HAL_TOUCH_NEW_H_
|
|
|
|
#include "soc/soc_caps.h"
|
|
#include "esp_idf_version.h"
|
|
|
|
#if SOC_TOUCH_SENSOR_SUPPORTED
|
|
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 0) || SOC_TOUCH_SENSOR_VERSION == 3
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "esp32-hal.h"
|
|
#include "driver/touch_sens.h"
|
|
|
|
#if SOC_TOUCH_SENSOR_VERSION == 1 // ESP32
|
|
#define TOUCH_CHANNEL_DEFAULT_CONFIG() \
|
|
{ \
|
|
.abs_active_thresh = {1000}, .charge_speed = TOUCH_CHARGE_SPEED_7, .init_charge_volt = TOUCH_INIT_CHARGE_VOLT_DEFAULT, \
|
|
.group = TOUCH_CHAN_TRIG_GROUP_BOTH, \
|
|
}
|
|
#elif SOC_TOUCH_SENSOR_VERSION == 2 // ESP32-S2 & ESP32-S3
|
|
#define TOUCH_CHANNEL_DEFAULT_CONFIG() \
|
|
{ .active_thresh = {2000}, .charge_speed = TOUCH_CHARGE_SPEED_7, .init_charge_volt = TOUCH_INIT_CHARGE_VOLT_DEFAULT, }
|
|
#elif SOC_TOUCH_SENSOR_VERSION == 3 // ESP32-P4
|
|
#define TOUCH_CHANNEL_DEFAULT_CONFIG() \
|
|
{ .active_thresh = {1000}, }
|
|
#endif
|
|
|
|
typedef uint32_t touch_value_t;
|
|
|
|
/*
|
|
* Set time in us that measurement operation takes
|
|
* The result from touchRead, threshold and detection
|
|
* accuracy depend on these values.
|
|
* Note: must be called before setting up touch pads
|
|
**/
|
|
void touchSetTiming(float measure, uint32_t sleep);
|
|
|
|
#if SOC_TOUCH_SENSOR_VERSION == 1 // ESP32
|
|
/*
|
|
* @param[in] duration_ms The measurement duration of the touch channel
|
|
* @param[in] volt_low The low voltage limit of the touch channel
|
|
* @param[in] volt_high The high voltage limit of the touch channel
|
|
*/
|
|
void touchSetConfig(float duration_ms, touch_volt_lim_l_t volt_low, touch_volt_lim_h_t volt_high);
|
|
|
|
#elif SOC_TOUCH_SENSOR_VERSION == 2 // ESP32S2, ESP32S3
|
|
/*
|
|
* @param[in] chg_times The charge times of the touch channel
|
|
* @param[in] volt_low The low voltage limit of the touch channel
|
|
* @param[in] volt_high The high voltage limit of the touch channel
|
|
*/
|
|
void touchSetConfig(uint32_t chg_times, touch_volt_lim_l_t volt_low, touch_volt_lim_h_t volt_high);
|
|
|
|
#elif SOC_TOUCH_SENSOR_VERSION == 3 // ESP32P4
|
|
/*
|
|
* Tune the touch pad frequency.
|
|
* Note: Must be called before setting up touch pads
|
|
*/
|
|
void touchSetConfig(uint32_t _div_num, uint8_t coarse_freq_tune, uint8_t fine_freq_tune);
|
|
#endif
|
|
|
|
#if SOC_TOUCH_SENSOR_VERSION == 1
|
|
/*
|
|
* Specific functions to ESP32
|
|
* Tells the driver if it shall activate the ISR if the sensor is Lower or Higher than the Threshold
|
|
* Default if Lower.
|
|
* Note: Must be called before setting up touch pads
|
|
**/
|
|
void touchInterruptSetThresholdDirection(bool mustbeLower);
|
|
#endif
|
|
|
|
/*
|
|
* Read touch pad value.
|
|
* You can use this method to chose a good threshold value
|
|
* to use as value for touchAttachInterrupt.
|
|
* */
|
|
touch_value_t touchRead(uint8_t pin);
|
|
|
|
/*
|
|
* Set function to be called if touch pad value rises by given increment (threshold).
|
|
* Use touchRead to determine a proper threshold between touched and untouched state.
|
|
* */
|
|
void touchAttachInterrupt(uint8_t pin, void (*userFunc)(void), touch_value_t threshold);
|
|
void touchAttachInterruptArg(uint8_t pin, void (*userFunc)(void *), void *arg, touch_value_t threshold);
|
|
void touchDetachInterrupt(uint8_t pin);
|
|
|
|
/*
|
|
* Returns true when the latest ISR status for the Touchpad is that it is touched (Active)
|
|
* and false when the Touchpad is untoouched (Inactive).
|
|
* This function can be used in conjunction with ISR User callback in order to take action
|
|
* as soon as the touchpad is touched and/or released.
|
|
**/
|
|
bool touchInterruptGetLastStatus(uint8_t pin);
|
|
|
|
/*
|
|
* Set the default threshold for touch pads.
|
|
* The threshold is a percentage of the benchmark value.
|
|
* The default value is 1.5%.
|
|
**/
|
|
void touchSetDefaultThreshold(float percentage);
|
|
|
|
/*
|
|
* Setup touch pad wake up from deep sleep /light sleep with given threshold.
|
|
* When light sleep is used, all used touch pads will be able to wake up the chip.
|
|
**/
|
|
void touchSleepWakeUpEnable(uint8_t pin, touch_value_t threshold);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 0) || SOC_TOUCH_SENSOR_VERSION == 3 */
|
|
#endif /* SOC_TOUCH_SENSOR_SUPPORTED */
|
|
#endif /* MAIN_ESP32_HAL_TOUCH_H_ */
|