PARA IRDA
Dependents: irda irda1 Tarea5 irda ... more
Fork of Pulse by
Revision 1:48651f86a80c, committed 2013-11-07
- Comitter:
- tony63
- Date:
- Thu Nov 07 03:34:00 2013 +0000
- Parent:
- 0:fb79a4637a64
- Commit message:
- ESTE PROGRAMA SIRVE PARA LEER EL ANCHO DE PULSO EN MICROSEGUNDOS DE UNA SE?AL APLICADA A UN PUERTO DEL MODULO FRDM_KL25Z, USELO TAMBIEN PARA GENERAR ANCHOS DE PULSO POR ALGUN PIN DE SALIDA. ES POSIBLE PROGRAMAR UN TIME OUT A LA ENTRADA Y DEVOLVER -1
Changed in this revision
--- a/Pulse.cpp Wed Jul 04 15:56:06 2012 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,139 +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. - */ - - -#include "Pulse.h" - -PulseInOut::PulseInOut(PinName pin): - startval(0), pulsetime(), runtime(), io(pin) { -} - - -PulseInOut::~PulseInOut() { -} - -void PulseInOut::write(int val) { - io.output(); - io = val; -} - -void PulseInOut::write_us(int val, int time) { - io.output(); - io = val; - wait_us(time); - io = !val; -} - -int PulseInOut::read_high_us() { - pulsetime.reset(); - io.input(); - while (io == 1) { - } - while (io == 0) { - } - pulsetime.start(); - while (io == 1) { - } - pulsetime.stop(); - return pulsetime.read_us(); -} - -int PulseInOut::read_high_us(int timeout) { - runtime.reset(); - runtime.start(); - pulsetime.reset(); - io.input(); - while (io == 1) { - if (runtime.read_us() > timeout) return -1; - } - while (io == 0) { - if (runtime.read_us() > timeout) return -1; - } - pulsetime.start(); - while (io == 1) { - if (runtime.read_us() > timeout) return -1; - } - pulsetime.stop(); - return pulsetime.read_us(); -} - -int PulseInOut::read_low_us() { - pulsetime.reset(); - io.input(); - while (io == 0) { - } - while (io == 1) { - } - pulsetime.start(); - while (io == 0) { - } - pulsetime.stop(); - return pulsetime.read_us(); -} - -int PulseInOut::read_low_us(int timeout) { - runtime.reset(); - runtime.start(); - pulsetime.reset(); - io.input(); - while (io == 0) { - if (runtime.read_us() > timeout) return -1; - } - while (io == 1) { - if (runtime.read_us() > timeout) return -1; - } - pulsetime.start(); - while (io == 0) { - if (runtime.read_us() > timeout) return -1; - } - pulsetime.stop(); - return pulsetime.read_us(); -} - -int PulseInOut::read_us() { - pulsetime.reset(); - io.input(); - startval = io; - while (io == startval) { - } - pulsetime.start(); - while (io != startval) { - } - pulsetime.stop(); - return pulsetime.read_us(); -} - -int PulseInOut::read_us(int timeout) { - runtime.reset(); - runtime.start(); - pulsetime.reset(); - io.input(); - startval = io; - while (io == startval) { - if (runtime.read_us() > timeout) return -1; - } - pulsetime.start(); - while (io != startval) { - if (runtime.read_us() > timeout) return -1; - } - pulsetime.stop(); - return pulsetime.read_us(); -} \ No newline at end of file
--- 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
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Pulse1.cpp Thu Nov 07 03:34:00 2013 +0000 @@ -0,0 +1,118 @@ + +#include "Pulse1.h" + +PulseInOut::PulseInOut(PinName pin): + startval(0), pulsetime(), runtime(), io(pin) { +} + + +PulseInOut::~PulseInOut() { +} + +void PulseInOut::write(int val) { + io.output(); + io = val; +} + +void PulseInOut::write_us(int val, int time) { + io.output(); + io = val; + wait_us(time); + io = !val; +} + +int PulseInOut::read_high_us() { + pulsetime.reset(); + io.input(); + while (io == 1) { + } + while (io == 0) { + } + pulsetime.start(); + while (io == 1) { + } + pulsetime.stop(); + return pulsetime.read_us(); +} + +int PulseInOut::read_high_us(int timeout) { + runtime.reset(); + runtime.start(); + pulsetime.reset(); + io.input(); + while (io == 1) { + if (runtime.read_us() > timeout) return -1; + } + while (io == 0) { + if (runtime.read_us() > timeout) return -1; + } + pulsetime.start(); + while (io == 1) { + if (runtime.read_us() > timeout) return -1; + } + pulsetime.stop(); + return pulsetime.read_us(); +} + +int PulseInOut::read_low_us() { + pulsetime.reset(); + io.input(); + while (io == 0) { + } + while (io == 1) { + } + pulsetime.start(); + while (io == 0) { + } + pulsetime.stop(); + return pulsetime.read_us(); +} + +int PulseInOut::read_low_us(int timeout) { + runtime.reset(); + runtime.start(); + pulsetime.reset(); + io.input(); + while (io == 0) { + if (runtime.read_us() > timeout) return -1; + } + while (io == 1) { + if (runtime.read_us() > timeout) return -1; + } + pulsetime.start(); + while (io == 0) { + if (runtime.read_us() > timeout) return -1; + } + pulsetime.stop(); + return pulsetime.read_us(); +} + +int PulseInOut::read_us() { + pulsetime.reset(); + io.input(); + startval = io; + while (io == startval) { + } + pulsetime.start(); + while (io != startval) { + } + pulsetime.stop(); + return pulsetime.read_us(); +} + +int PulseInOut::read_us(int timeout) { + runtime.reset(); + runtime.start(); + pulsetime.reset(); + io.input(); + startval = io; + while (io == startval) { + if (runtime.read_us() > timeout) return -1; + } + pulsetime.start(); + while (io != startval) { + if (runtime.read_us() > timeout) return -1; + } + pulsetime.stop(); + return pulsetime.read_us(); +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Pulse1.h Thu Nov 07 03:34:00 2013 +0000 @@ -0,0 +1,53 @@ + +#ifndef MBED_PULSE1_H +#define MBED_PULSE1_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