Controll MCP23S17 as GPIO
ExioMcp23s17RotaryEncoder.h
- Committer:
- ryood
- Date:
- 2016-11-04
- Revision:
- 9:b0e9ec45a720
- Parent:
- 7:3f853801cb6d
File content as of revision 9:b0e9ec45a720:
/** * ============================================================================= * Rotary Encoder class (Version 0.0.1) * ============================================================================= * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems) * * 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. * ============================================================================= */ /* * 2016.11.02 Customized for MCP23S17 by rood */ #ifndef EXIOMCP23S17ROTARY_ENCODER_H #define EXIOMCP23S17ROTARY_ENCODER_H #include "mbed.h" #include "ExioMcp23s17DigitalIn.h" /** */ class ExioMcp23s17RotaryEncoder { public: /** * Create rotary encoder. * @param device * @param port * @param pin1 * @param pin2 * @param min Minimum value. * @param max Maximum value. * @param val Default value. */ //RotaryEncoder(PinName pin1_name, PinName pin2_name, int min = 0, int max = 100, int val = 50); ExioMcp23s17RotaryEncoder( ExioMcp23s17* pDevice, ExioPort port, int pin1_n, int pin2_n, int min = 0, int max = 100, int val = 50 ); /** * Dispose. */ ~ExioMcp23s17RotaryEncoder(); /** * Get the minimum value. * * @return The minimum value. */ int getMin() const { return min; } /** * Get the maximum value. * * @return The maximum value. */ int getMax() const { return max; } /** * Get the value. * * @return The value. */ int getVal() const { return val; } /** * Set the value. * * @param The value. */ void setVal(int _val) { if (min <= _val && _val <= max) { val = _val; } } /** * Set the ticker interval. * * @param The interval in microseconds. */ void setInterval(timestamp_t t) { ticker.attach_us(this, &ExioMcp23s17RotaryEncoder::func_ticker, t); } private: ExioMcp23s17DigitalIn* in1; ExioMcp23s17DigitalIn* in2; const int min; const int max; int val; Ticker ticker; uint8_t code; /** * Internal tick function. */ void func_ticker(); }; #endif