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Fork of Pulse by
Diff: Pulse.h
- Revision:
- 1:48651f86a80c
- Parent:
- 0:fb79a4637a64
--- a/Pulse.h Wed Jul 04 15:56:06 2012 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,73 +0,0 @@ -/* Copyright (c) 2012 Nick Ryder, University of Oxford - * nick.ryder@physics.ox.ac.uk - * - * MIT License - * - * 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 MBED_PULSE_H -#define MBED_PULSE_H - -#include "mbed.h" - -/** Pulse Input/Output Class(es) - */ - -class PulseInOut { - public: - /** Create a PulseInOut object connected to the specified pin - * @param pin i/o pin to connect to - */ - PulseInOut(PinName); - ~PulseInOut(); - /** Set the value of the pin - * @param val Value to set, 0 for LOW, otherwise HIGH - */ - void write(int val); - /** Send a pulse of a given value for a specified time - * @param val Value to set, 0 for LOW, otherwise HIGH - * @param time Length of pulse in microseconds - */ - void write_us(int val, int time); - /** Return the length of the next HIGH pulse in microsconds - */ - int read_high_us(); - /** Return the length of the next HIGH pulse in microseconds or -1 if longer than timeout - * @param timeout Time before pulse reading aborts and returns -1, in microseconds - */ - int read_high_us(int timeout); - /** Return the length of the next LOW pulse in microsconds - */ - int read_low_us(); - /** Return the length of the next LOW pulse in microseconds or -1 if longer than timeout - * @param timeout Time before pulse reading aborts and returns -1, in microseconds - */ - int read_low_us(int timeout); - /** Return the length of the next pulse in microsconds - */ - int read_us(); - /** Return the length of the next pulse in microseconds or -1 if longer than timeout - * @param timeout Time before pulse reading aborts and returns -1, in microseconds - */ - int read_us(int timeout); - private: - int startval; - Timer pulsetime, runtime; - DigitalInOut io; -}; - -#endif \ No newline at end of file