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129 lines
4.7 KiB
129 lines
4.7 KiB
/* --COPYRIGHT--,BSD
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* Copyright (c) 2013, Texas Instruments Incorporated
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* --/COPYRIGHT--*/
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/*!
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* @file CTS_Layer.h
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*
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* @brief
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*
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* @par Project:
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* MSP430 Capacitive Touch Library
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*
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* @par Developed using:
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* CCS Version : 5.4.0.00048, w/support for GCC extensions (--gcc)
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* \n IAR Version : 5.51.6
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*
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* @author C. Sterzik
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* @author T. Hwang
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* @version 1.2
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* Updated HALs.
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*
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* @par Supported API Calls:
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* - TI_CAPT_Init_Baseline()
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* - TI_CAPT_Update_Baseline()
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* - TI_CAPT_Reset_Tracking()
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* - TI_CAPT_Update_Tracking_DOI()
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* - TI_CAPT_Update_Tracking_Rate()
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* - TI_CAPT_Update_Baseline()
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* - TI_CAPT_Raw()
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* - TI_CAPT_Custom()
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* - TI_CAPT_Button()
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* - TI_CAPT_Buttons()
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* - TI_CAPT_Slider()
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* - TI_CAPT_Wheel()
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*/
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#ifndef CTS_LAYER_H_
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#define CTS_LAYER_H_
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#include "CTS_HAL.h"
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//! \name Status Register Definitions
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//! @{
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//
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//! (bit 0): Event Flag: this indicates that a threshold crossing occured
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#define EVNT 0x01
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//! (bit 1): Direction of Interest: This indicates if the measurement is looking
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//! for an increasing (set) or decreasing (clr) capacitance.
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#define DOI_MASK 0x02
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#define DOI_INC 0x02
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#define DOI_DEC 0x00
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//! (bit 2): Past Event Flag: this indicates that a prior element within the
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//! sensor group has detected a threshold crossing
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#define PAST_EVNT 0x04
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//! (bits 4-5): Tracking Rate in Direction of Interest: this indicates at what
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//! rate the baseline will adjust to the current measurement when the
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//! when the measurement is changing in the direction of interst but does not
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//! result in a threshold crossing:
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//! \n Very Slow
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//! \n Slow
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//! \n Medium
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//! \n Fast
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#define TRIDOI_VSLOW 0x00
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#define TRIDOI_SLOW 0x10
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#define TRIDOI_MED 0x20
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#define TRIDOI_FAST 0x30
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//! (bits 5-6): Tracking Rate Against Direction of Interest: this indicates at
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//! what rate the baseline will adjust to the current measurement when the
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//! when the measurement is changing against the direction of interst:
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//! \n Fast
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//! \n Medium
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//! \n Slow
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//! \n Very Slow
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#define TRADOI_FAST 0x00
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#define TRADOI_MED 0x40
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#define TRADOI_SLOW 0x80
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#define TRADOI_VSLOW 0xC0
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//! @}
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// API Calls
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void TI_CAPT_Init_Baseline(const struct Sensor*);
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void TI_CAPT_Update_Baseline(const struct Sensor*, uint8_t);
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void TI_CAPT_Reset_Tracking(void);
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void TI_CAPT_Update_Tracking_DOI(uint8_t);
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void TI_CAPT_Update_Tracking_Rate(uint8_t);
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void TI_CAPT_Raw(const struct Sensor*, uint16_t*);
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void TI_CAPT_Custom(const struct Sensor *, uint16_t*);
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uint8_t TI_CAPT_Button(const struct Sensor *);
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const struct Element * TI_CAPT_Buttons(const struct Sensor *);
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uint16_t TI_CAPT_Slider(const struct Sensor*);
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uint16_t TI_CAPT_Wheel(const struct Sensor*);
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// Internal Calls
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uint8_t Dominant_Element (const struct Sensor*, uint16_t*);
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#endif /* CTS_LAYER_H_ */
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