| /* |
| * Copyright (c) 2023 Espressif Systems (Shanghai) Co., Ltd. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_INPUT_ESP32_TOUCH_SENSOR_INPUT_H_ |
| #define ZEPHYR_INCLUDE_DT_BINDINGS_INPUT_ESP32_TOUCH_SENSOR_INPUT_H_ |
| |
| #include <zephyr/dt-bindings/dt-util.h> |
| |
| /* Touch sensor IIR filter mode */ |
| #define ESP32_TOUCH_FILTER_MODE_IIR_4 0 |
| #define ESP32_TOUCH_FILTER_MODE_IIR_8 1 |
| #define ESP32_TOUCH_FILTER_MODE_IIR_16 2 |
| #define ESP32_TOUCH_FILTER_MODE_IIR_32 3 |
| #define ESP32_TOUCH_FILTER_MODE_IIR_64 4 |
| #define ESP32_TOUCH_FILTER_MODE_IIR_128 5 |
| #define ESP32_TOUCH_FILTER_MODE_IIR_256 6 |
| #define ESP32_TOUCH_FILTER_MODE_JITTER 7 |
| |
| /* Touch sensor level of filter noise threshold coefficient*/ |
| #define ESP32_TOUCH_FILTER_NOISE_THR_4_8TH 0 |
| #define ESP32_TOUCH_FILTER_NOISE_THR_3_8TH 1 |
| #define ESP32_TOUCH_FILTER_NOISE_THR_2_8TH 2 |
| #define ESP32_TOUCH_FILTER_NOISE_THR_8_8TH 3 |
| |
| /* Touch sensor level of filter applied on the original data */ |
| #define ESP32_TOUCH_FILTER_SMOOTH_MODE_OFF 0 |
| #define ESP32_TOUCH_FILTER_SMOOTH_MODE_IIR_2 1 |
| #define ESP32_TOUCH_FILTER_SMOOTH_MODE_IIR_4 2 |
| #define ESP32_TOUCH_FILTER_SMOOTH_MODE_IIR_8 3 |
| |
| #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_INPUT_ESP32_TOUCH_SENSOR_INPUT_H_ */ |
