Files
esp-idf/components/soc/esp32s2beta/include/soc/touch_sensor_caps.h
2019-11-27 20:08:44 +08:00

38 lines
1.9 KiB
C

// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#define SOC_TOUCH_SENSOR_NUM (15) /*! 15 Touch channels */
#define SOC_TOUCH_SENSOR_BIT_MASK_MAX (0x7fff)/*! 15 Touch channels */
#define SOC_TOUCH_PAD_MEASURE_WAIT (0xFF) /*!<The timer frequency is 8Mhz, the max value is 0xff */
#define SOC_TOUCH_PAD_THRESHOLD_MAX (0x1FFFFF) /*!<If set touch threshold max value, The touch sensor can't be in touched status */
#define SOC_TOUCH_SHIELD_CHANNEL (14) /*!< The waterproof function includes a shielded channel (TOUCH_PAD_NUM14)
The shielded channel outputs the same signal as the channel being measured.
It is generally designed as a grid and is placed around the touch buttons. */
#define SOC_TOUCH_DENOISE_CHANNEL (0) /*!< T0 is an internal channel that does not have a corresponding external GPIO.
T0 will work simultaneously with the measured channel Tn. Finally, the actual
measured value of Tn is the value after subtracting lower bits of T0. */
#define SOC_TOUCH_PROXIMITY_CHANNEL_NUM (3) /* Sopport touch proximity channel number. */
#ifdef __cplusplus
}
#endif