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_ */