68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*
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* Copyright 2020 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __APP_CONFIG_H__
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#define __APP_CONFIG_H__
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/*******************************************************************************
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* Application configuration
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******************************************************************************/
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#define DEMO_ACOMP_BASE ACOMP
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#define DEMO_ACOMP_CAPT_CHANNEL 5U
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/* If the channel sample data variance is less than this value, then the channel
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* sample data is stable, used in calibration stage.
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*/
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#define APP_CHANNEL_STABLE_VARIANCE 2
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/* Glitch filter level used in pressed key detection. */
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#define APP_GLITCH_FILTER_LEVEL 3
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/*******************************************************************************
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* Touch Configuration
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******************************************************************************/
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#define TOUCH_X_CHANNEL_COUNT 1
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/*
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* How many samples are saved and used to determine touch result.
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*/
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#define TOUCH_WINDOW_LENGTH 4
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/*
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* This macro configures the touch event detection level.
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* In the case of multiple X pins (multiple channels), if the difference
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* between the maximum channel and minimum channel is larger than this threashold,
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* then there is a potential touch event.
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* In the case of single X pin, if the difference between sampled value and
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* baseline value is larger than this threashold, the there is a potential
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* touch event.
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*/
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#define TOUCH_YES_TOUCH_THRESHOLD_LOW 80
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/*
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* If the touched channel sample data decreases, set this to 1.
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* If the touched channel sample data increases, set this to 0.
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*/
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#define TOUCH_PRESSED_KEY_COUNT_DECREASE 1
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/*******************************************************************************
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* Touch HAL Configuration
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******************************************************************************/
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#define TOUCH_HAL_CAPT CAPT
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#define TOUCH_HAL_CAPT_ENABLE_PINS (kCAPT_X0Pin)
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#define TOUCH_HAL_CAPT_IRQn CMP_CAPT_IRQn
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#define TOUCH_HAL_CAPT_IRQHandler CMP_CAPT_DriverIRQHandler
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/* Calculate the clock divider to make sure CAPT work in 2Mhz FCLK. */
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#define TOUCH_HAL_CAPT_CLK_DIVIDER (CLOCK_GetFroFreq() / 2000000U - 1U)
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/* Delay between poll round, the delay time between two poll round
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* is TOUCH_HAL_CAPT_DELAY_BETWEEN_POLL * 4096 * FCLK period
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*/
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#define TOUCH_HAL_CAPT_DELAY_BETWEEN_POLL 20U
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#endif /* __APP_CONFIG_H__ */
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