Gustavo Ramirez / Pulse1

PARA IRDA

Dependents:   irda irda1 Tarea5 irda ... more

Fork of Pulse by Nick Ryder

Pulse1.cpp@1:48651f86a80c, 2013-11-07 (annotated)

Committer:
tony63
Date:
Thu Nov 07 03:34:00 2013 +0000
Revision:
1:48651f86a80c
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

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tony63 1:48651f86a80c 1
tony63 1:48651f86a80c 2 #include "Pulse1.h"
tony63 1:48651f86a80c 3
tony63 1:48651f86a80c 4 PulseInOut::PulseInOut(PinName pin):
tony63 1:48651f86a80c 5 startval(0), pulsetime(), runtime(), io(pin) {
tony63 1:48651f86a80c 6 }
tony63 1:48651f86a80c 7
tony63 1:48651f86a80c 8
tony63 1:48651f86a80c 9 PulseInOut::~PulseInOut() {
tony63 1:48651f86a80c 10 }
tony63 1:48651f86a80c 11
tony63 1:48651f86a80c 12 void PulseInOut::write(int val) {
tony63 1:48651f86a80c 13 io.output();
tony63 1:48651f86a80c 14 io = val;
tony63 1:48651f86a80c 15 }
tony63 1:48651f86a80c 16
tony63 1:48651f86a80c 17 void PulseInOut::write_us(int val, int time) {
tony63 1:48651f86a80c 18 io.output();
tony63 1:48651f86a80c 19 io = val;
tony63 1:48651f86a80c 20 wait_us(time);
tony63 1:48651f86a80c 21 io = !val;
tony63 1:48651f86a80c 22 }
tony63 1:48651f86a80c 23
tony63 1:48651f86a80c 24 int PulseInOut::read_high_us() {
tony63 1:48651f86a80c 25 pulsetime.reset();
tony63 1:48651f86a80c 26 io.input();
tony63 1:48651f86a80c 27 while (io == 1) {
tony63 1:48651f86a80c 28 }
tony63 1:48651f86a80c 29 while (io == 0) {
tony63 1:48651f86a80c 30 }
tony63 1:48651f86a80c 31 pulsetime.start();
tony63 1:48651f86a80c 32 while (io == 1) {
tony63 1:48651f86a80c 33 }
tony63 1:48651f86a80c 34 pulsetime.stop();
tony63 1:48651f86a80c 35 return pulsetime.read_us();
tony63 1:48651f86a80c 36 }
tony63 1:48651f86a80c 37
tony63 1:48651f86a80c 38 int PulseInOut::read_high_us(int timeout) {
tony63 1:48651f86a80c 39 runtime.reset();
tony63 1:48651f86a80c 40 runtime.start();
tony63 1:48651f86a80c 41 pulsetime.reset();
tony63 1:48651f86a80c 42 io.input();
tony63 1:48651f86a80c 43 while (io == 1) {
tony63 1:48651f86a80c 44 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 45 }
tony63 1:48651f86a80c 46 while (io == 0) {
tony63 1:48651f86a80c 47 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 48 }
tony63 1:48651f86a80c 49 pulsetime.start();
tony63 1:48651f86a80c 50 while (io == 1) {
tony63 1:48651f86a80c 51 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 52 }
tony63 1:48651f86a80c 53 pulsetime.stop();
tony63 1:48651f86a80c 54 return pulsetime.read_us();
tony63 1:48651f86a80c 55 }
tony63 1:48651f86a80c 56
tony63 1:48651f86a80c 57 int PulseInOut::read_low_us() {
tony63 1:48651f86a80c 58 pulsetime.reset();
tony63 1:48651f86a80c 59 io.input();
tony63 1:48651f86a80c 60 while (io == 0) {
tony63 1:48651f86a80c 61 }
tony63 1:48651f86a80c 62 while (io == 1) {
tony63 1:48651f86a80c 63 }
tony63 1:48651f86a80c 64 pulsetime.start();
tony63 1:48651f86a80c 65 while (io == 0) {
tony63 1:48651f86a80c 66 }
tony63 1:48651f86a80c 67 pulsetime.stop();
tony63 1:48651f86a80c 68 return pulsetime.read_us();
tony63 1:48651f86a80c 69 }
tony63 1:48651f86a80c 70
tony63 1:48651f86a80c 71 int PulseInOut::read_low_us(int timeout) {
tony63 1:48651f86a80c 72 runtime.reset();
tony63 1:48651f86a80c 73 runtime.start();
tony63 1:48651f86a80c 74 pulsetime.reset();
tony63 1:48651f86a80c 75 io.input();
tony63 1:48651f86a80c 76 while (io == 0) {
tony63 1:48651f86a80c 77 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 78 }
tony63 1:48651f86a80c 79 while (io == 1) {
tony63 1:48651f86a80c 80 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 81 }
tony63 1:48651f86a80c 82 pulsetime.start();
tony63 1:48651f86a80c 83 while (io == 0) {
tony63 1:48651f86a80c 84 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 85 }
tony63 1:48651f86a80c 86 pulsetime.stop();
tony63 1:48651f86a80c 87 return pulsetime.read_us();
tony63 1:48651f86a80c 88 }
tony63 1:48651f86a80c 89
tony63 1:48651f86a80c 90 int PulseInOut::read_us() {
tony63 1:48651f86a80c 91 pulsetime.reset();
tony63 1:48651f86a80c 92 io.input();
tony63 1:48651f86a80c 93 startval = io;
tony63 1:48651f86a80c 94 while (io == startval) {
tony63 1:48651f86a80c 95 }
tony63 1:48651f86a80c 96 pulsetime.start();
tony63 1:48651f86a80c 97 while (io != startval) {
tony63 1:48651f86a80c 98 }
tony63 1:48651f86a80c 99 pulsetime.stop();
tony63 1:48651f86a80c 100 return pulsetime.read_us();
tony63 1:48651f86a80c 101 }
tony63 1:48651f86a80c 102
tony63 1:48651f86a80c 103 int PulseInOut::read_us(int timeout) {
tony63 1:48651f86a80c 104 runtime.reset();
tony63 1:48651f86a80c 105 runtime.start();
tony63 1:48651f86a80c 106 pulsetime.reset();
tony63 1:48651f86a80c 107 io.input();
tony63 1:48651f86a80c 108 startval = io;
tony63 1:48651f86a80c 109 while (io == startval) {
tony63 1:48651f86a80c 110 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 111 }
tony63 1:48651f86a80c 112 pulsetime.start();
tony63 1:48651f86a80c 113 while (io != startval) {
tony63 1:48651f86a80c 114 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 115 }
tony63 1:48651f86a80c 116 pulsetime.stop();
tony63 1:48651f86a80c 117 return pulsetime.read_us();
tony63 1:48651f86a80c 118 }