Fork of Kojto's library with bugfixes

Revision 8:395a4619c41f, committed 2015-04-15

Comitter:

Kojto

Date:

Wed Apr 15 08:22:29 2015 +0000

Parent:

7:f4bb237d08ca

Child:

9:ef4781f21ea3

Commit message:

KL05z addition

Changed in this revision

--- a/tsi_sensor.h.orig	Wed Apr 15 08:21:46 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,244 +0,0 @@
-/* Freescale Semiconductor Inc.
- *
- * mbed Microcontroller Library
- * (c) Copyright 2009-2012 ARM Limited.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
- * and associated documentation files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all copies or
- * substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
- * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef TSISENSOR_H
-#define TSISENSOR_H
-
-/**
-* TSISensor example
-*
-* @code
-* #include "mbed.h"
-* #include "TSISensor.h"
-*
-* int main(void) {
-*    DigitalOut led(LED_GREEN);
-*    TSIElectrode elec0(9);
-*    TSIElectrode elec1(10);
-*    TSIAnalogSlider tsi(elec0, elec1, 40);
-*
-*    while (true) {
-*        printf("slider percentage: %f%\r\n", tsi.readPercentage());
-*        printf("slider distance: %dmm\r\n", tsi.readDistance());
-*        wait(1);
-*        led = !led;
-*    }
-* }
-* @endcode
-*/
-#define NO_TOUCH 0
-
-/** TSI Electrode with simple data required for touch detection.
- */
-class TSIElectrode {
-public:
-    /** Initialize electrode.
-     */
-    TSIElectrode(PinName pin) : _threshold(100) {
-        _channel = getTSIChannel(pin);
-    }
-
-    /** Initialize electrode.
-     */
-    TSIElectrode(uint32_t tsi_channel) : _threshold(100) {
-        _channel = (uint8_t)tsi_channel;
-    }
-    /** Set baseline.
-     */
-    void setBaseline(uint32_t baseline) {
-        _baseline = (uint16_t)baseline;
-    }
-    /** Set threshold.
-     */
-    void setThreshold(uint32_t threshold) {
-        _threshold = (uint16_t)threshold;
-    }
-    /** Set signal.
-     */
-    void setSignal(uint32_t signal) {
-        _signal = (uint16_t)signal;
-    }
-    /** Get baseline.
-     */
-    uint32_t getBaseline() {
-        return _baseline;
-    }
-    /** Get delta.
-     */
-    uint32_t getDelta() {
-        int32_t delta = getSignal() - getBaseline();
-        if (delta < 0) {
-            return 0;
-        } else {
-            return delta;
-        }
-    }
-    /** Get signal.
-     */
-    uint32_t getSignal() {
-        return _signal;
-    }
-    /** Get threshold.
-     */
-    uint32_t getThreshold() {
-        return _threshold;
-    }
-    /** Get channel.
-     */
-    uint32_t getChannel() {
-        return _channel;
-    }
-    /** Get TSI Channel for PinName.
-     *
-     * @returns TSI channel ID for use in constructor of TSIAnalogSlider and TSIElectrode.
-     * @throws compile-time error if target is not supported, or runtime error if pin does not match any channel.
-     */
-    static uint8_t getTSIChannel(PinName pin) {
-#if   defined (TARGET_KL25Z) || defined (TARGET_KL05Z)
-        switch(pin) {
-            //these are 
-            case PTA0: return 1;
-            case PTA1: return 2;
-            case PTA2: return 3;
-            case PTA3: return 4;
-            case PTA4: return 5;
-            case PTB0: return 0;
-            case PTB1: return 6;
-            case PTB2: return 7;
-            case PTB3: return 8;
-            case PTB16: return 9;
-            case PTB17: return 10;
-            case PTB18: return 11;
-            case PTB19: return 12;
-            #ifdef TARGET_KL25Z
-            case PTC0: return 13;
-            case PTC1: return 14;
-            #endif
-            default: error("PinName provided to TSIElectrode::getTSIChannel() does not correspond to any known TSI channel.");
-        }
-# else
-    #error "Unknown target for TSIElectrode::getTSIChannel() - only supports KL25Z so far."
-# endif   
-        return 0xFF; //should never get here
-    }
-    
-private:
-    uint8_t  _channel;
-    uint16_t _signal;
-    uint16_t _baseline;
-    uint16_t _threshold;
-};
-
-/** Analog slider which consists of two electrodes.
- */
-class TSIAnalogSlider {
-public:
-    /**
-     *
-     *   Initialize the TSI Touch Sensor with the given PinNames
-     */
-    TSIAnalogSlider(PinName elec0, PinName elec1, uint32_t range);
-    /**
-     *   Initialize the TSI Touch Sensor
-     */
-    TSIAnalogSlider(uint32_t elec0, uint32_t elec1, uint32_t range);
-    /**
-     * Read Touch Sensor percentage value
-     *
-     * @returns percentage value between [0 ... 1]
-     */
-    float readPercentage();
-    /**
-     * Read Touch Sensor distance
-     *
-     * @returns distance in mm. The value is between [0 ... _range]
-     */
-    uint32_t readDistance();
-    /** Get current electrode.
-     */
-    TSIElectrode* getCurrentElectrode() {
-        return _current_elec;
-    }
-    /** Set current electrode which is being measured.
-     */
-    void setCurrentElectrode(TSIElectrode *elec){
-        _current_elec = elec;
-    }
-    /** Get next electrode.
-     */
-    TSIElectrode* getNextElectrode(TSIElectrode* electrode) {
-        if (electrode->getChannel() == _elec0.getChannel()) {
-            return &_elec1;
-        } else {
-            return &_elec0;
-        }
-    }
-    /** Return absolute distance position.
-     */
-    uint32_t getAbsoluteDistance() {
-        return  _absolute_distance_pos;
-    }
-    /** Return absolute precentage position.
-     */
-    uint32_t getAbsolutePosition() {
-        return _absolute_percentage_pos;
-    }
-    /** Set value to the scan in progress flag.
-     */
-    void setScan(uint32_t scan) {
-        _scan_in_progress = scan;
-    }
-    /** Return instance to Analog slider. Used in tsi irq.
-     */
-    static TSIAnalogSlider *getInstance() {
-        return _instance;
-    }
-private:
-    void initObject(void); //shared constructor code
-    void sliderRead(void);
-    void selfCalibration(void);
-    void setSliderPercPosition(uint32_t elec_num, uint32_t position) {
-        _percentage_position[elec_num] = position;
-    }
-    void setSliderDisPosition(uint32_t elec_num, uint32_t position) {
-        _distance_position[elec_num] = position;
-    }
-    void setAbsolutePosition(uint32_t position) {
-        _absolute_percentage_pos = position;
-    }
-    void setAbsoluteDistance(uint32_t distance) {
-        _absolute_distance_pos = distance;
-    }
-private:
-    TSIElectrode  _elec0;
-    TSIElectrode  _elec1;
-    uint8_t       _scan_in_progress;
-    TSIElectrode* _current_elec;
-    uint8_t       _percentage_position[2];
-    uint8_t       _distance_position[2];
-    uint32_t      _absolute_percentage_pos;
-    uint32_t      _absolute_distance_pos;
-    uint8_t       _range;
-protected:
-    static TSIAnalogSlider *_instance;
-};
-
-#endif