Controll MCP23S17 as GPIO
Diff: ExioMcp23s17RotaryEncoder.h
- Revision:
- 5:b82675c50720
- Child:
- 6:1b3511093630
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ExioMcp23s17RotaryEncoder.h Wed Nov 02 04:16:46 2016 +0000 @@ -0,0 +1,122 @@ +/** + * ============================================================================= + * 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 ROTARY_ENCODER_H +#define ROTARY_ENCODER_H + +#include "mbed.h" +#include "ExioMcp23s17DigitalIn.h" + +/** + */ +class ExioMcp23s17RotaryEncoder +{ +public: + /** + * Create rotary encoder. + * + * @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(ExioMcp23s17DigitalIn& pin1, ExioMcp23s17DigitalIn& pin2, 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 pin1; + ExioMcp23s17DigitalIn pin2; + const int min; + const int max; + int val; + Ticker ticker; + + uint8_t code; + + /** + * Internal tick function. + */ + void func_ticker(); +}; + +#endif