74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/* Freescale Semiconductor Inc.
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* (c) Copyright 2004-2005 Freescale Semiconductor, Inc.
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* (c) Copyright 2001-2004 Motorola, Inc.
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*
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* mbed Microcontroller Library
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* (c) Copyright 2009-2012 ARM Limited.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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* and associated documentation files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef TSISENSOR_H
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#define TSISENSOR_H
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/**
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* TSISensor example
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*
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* @code
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* #include "mbed.h"
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* #include "TSISensor.h"
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*
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* int main(void) {
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* DigitalOut led(LED_GREEN);
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* TSISensor tsi;
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*
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* while (true) {
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* printf("slider percentage: %f%\r\n", tsi.readPercentage());
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* printf("slider distance: %dmm\r\n", tsi.readDistance());
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* wait(1);
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* led = !led;
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* }
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* }
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* @endcode
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*/
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class TSISensor {
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public:
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/**
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* Initialize the TSI Touch Sensor
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*/
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TSISensor();
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/**
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* Read Touch Sensor percentage value
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*
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* @returns percentage value between [0 ... 1]
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*/
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float readPercentage();
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/**
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* Read Touch Sensor distance
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*
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* @returns distance in mm. The value is between [0 ... 40]
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*/
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uint8_t readDistance();
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private:
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void sliderRead(void);
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void selfCalibration(void);
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};
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#endif
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