Line data    Source code

       1           0 : /*
       2             :  * Copyright (c) 2023 Espressif Systems (Shanghai) Co., Ltd.
       3             :  *
       4             :  * SPDX-License-Identifier: Apache-2.0
       5             :  */
       6             : 
       7             : #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_INPUT_ESP32_TOUCH_SENSOR_INPUT_H_
       8             : #define ZEPHYR_INCLUDE_DT_BINDINGS_INPUT_ESP32_TOUCH_SENSOR_INPUT_H_
       9             : 
      10             : #include <zephyr/dt-bindings/dt-util.h>
      11             : 
      12             : /* Touch sensor IIR filter mode */
      13           0 : #define ESP32_TOUCH_FILTER_MODE_IIR_4           0
      14           0 : #define ESP32_TOUCH_FILTER_MODE_IIR_8           1
      15           0 : #define ESP32_TOUCH_FILTER_MODE_IIR_16          2
      16           0 : #define ESP32_TOUCH_FILTER_MODE_IIR_32          3
      17           0 : #define ESP32_TOUCH_FILTER_MODE_IIR_64          4
      18           0 : #define ESP32_TOUCH_FILTER_MODE_IIR_128         5
      19           0 : #define ESP32_TOUCH_FILTER_MODE_IIR_256         6
      20           0 : #define ESP32_TOUCH_FILTER_MODE_JITTER          7
      21             : 
      22             : /* Touch sensor level of filter noise threshold coefficient*/
      23           0 : #define ESP32_TOUCH_FILTER_NOISE_THR_4_8TH      0
      24           0 : #define ESP32_TOUCH_FILTER_NOISE_THR_3_8TH      1
      25           0 : #define ESP32_TOUCH_FILTER_NOISE_THR_2_8TH      2
      26           0 : #define ESP32_TOUCH_FILTER_NOISE_THR_8_8TH      3
      27             : 
      28             : /* Touch sensor level of filter applied on the original data */
      29           0 : #define ESP32_TOUCH_FILTER_SMOOTH_MODE_OFF      0
      30           0 : #define ESP32_TOUCH_FILTER_SMOOTH_MODE_IIR_2    1
      31           0 : #define ESP32_TOUCH_FILTER_SMOOTH_MODE_IIR_4    2
      32           0 : #define ESP32_TOUCH_FILTER_SMOOTH_MODE_IIR_8    3
      33             : 
      34             : #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_INPUT_ESP32_TOUCH_SENSOR_INPUT_H_ */